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Jian Ma
Triticeae Research Institute, Sichuan Agricultural University, Chengdu 611130, China

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Journal article
Published: 07 August 2021 in International Journal of Molecular Sciences
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Wheat is a major staple food crop worldwide, due to its total yield and unique processing quality. Its grain yield and quality are threatened by Fusarium head blight (FHB), which is mainly caused by Fusarium graminearum. Salicylic acid (SA) has a strong and toxic effect on F. graminearum and is a hopeful target for sustainable control of FHB. F. graminearum is capable of efficientdealing with SA stress. However, the underlying mechanisms remain unclear. Here, we characterized FgMFS1 (FGSG_03725), a major facilitator superfamily (MFS) transporter gene in F. graminearum. FgMFS1 was highly expressed during infection and was upregulated by SA. The predicted three-dimensional structure of the FgMFS1 protein was consistent with the schematic for the antiporter. The subcellular localization experiment indicated that FgMFS1 was usually expressed in the vacuole of hyphae, but was alternatively distributed in the cell membrane under SA treatment, indicating an element of F. graminearum in response to SA. ΔFgMFS1 (loss of function mutant of FgMFS1) showed enhanced sensitivity to SA, less pathogenicity towards wheat, and reduced DON production under SA stress. Re-introduction of a functional FgMFS1 gene into ∆FgMFS1 recovered the mutant phenotypes. Wheat spikes inoculated with ΔFgMFS1 accumulated more SA when compared to those inoculated with the wild-type strain. Ecotopic expression of FgMFS1 in yeast enhanced its tolerance to SA as expected, further demonstrating that FgMFS1 functions as an SA exporter. In conclusion, FgMFS1 encodes an SA exporter in F. graminearum, which is critical for its response to wheat endogenous SA and pathogenicity towards wheat.

ACS Style

Qing Chen; Lu Lei; Caihong Liu; Yazhou Zhang; Qiang Xu; Jing Zhu; Zhenru Guo; Yan Wang; Qingcheng Li; Yang Li; Li Kong; Yunfeng Jiang; Xiujin Lan; Jirui Wang; Qiantao Jiang; Guoyue Chen; Jian Ma; Yuming Wei; Youliang Zheng; Pengfei Qi. Major Facilitator Superfamily Transporter Gene FgMFS1 Is Essential for Fusarium graminearum to Deal with Salicylic Acid Stress and for Its Pathogenicity towards Wheat. International Journal of Molecular Sciences 2021, 22, 8497 .

AMA Style

Qing Chen, Lu Lei, Caihong Liu, Yazhou Zhang, Qiang Xu, Jing Zhu, Zhenru Guo, Yan Wang, Qingcheng Li, Yang Li, Li Kong, Yunfeng Jiang, Xiujin Lan, Jirui Wang, Qiantao Jiang, Guoyue Chen, Jian Ma, Yuming Wei, Youliang Zheng, Pengfei Qi. Major Facilitator Superfamily Transporter Gene FgMFS1 Is Essential for Fusarium graminearum to Deal with Salicylic Acid Stress and for Its Pathogenicity towards Wheat. International Journal of Molecular Sciences. 2021; 22 (16):8497.

Chicago/Turabian Style

Qing Chen; Lu Lei; Caihong Liu; Yazhou Zhang; Qiang Xu; Jing Zhu; Zhenru Guo; Yan Wang; Qingcheng Li; Yang Li; Li Kong; Yunfeng Jiang; Xiujin Lan; Jirui Wang; Qiantao Jiang; Guoyue Chen; Jian Ma; Yuming Wei; Youliang Zheng; Pengfei Qi. 2021. "Major Facilitator Superfamily Transporter Gene FgMFS1 Is Essential for Fusarium graminearum to Deal with Salicylic Acid Stress and for Its Pathogenicity towards Wheat." International Journal of Molecular Sciences 22, no. 16: 8497.

Original research article
Published: 07 June 2021 in Frontiers in Plant Science
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Kernel size (KS) and kernel weight play a key role in wheat yield. Phenotypic data from six environments and a Wheat55K single-nucleotide polymorphism array–based constructed genetic linkage map from a recombinant inbred line population derived from the cross between the wheat line 20828 and the line SY95-71 were used to identify quantitative trait locus (QTL) for kernel length (KL), kernel width (KW), kernel thickness (KT), thousand-kernel weight (TKW), kernel length–width ratio (LWR), KS, and factor form density (FFD). The results showed that 65 QTLs associated with kernel traits were detected, of which the major QTLs QKL.sicau-2SY-1B, QKW.sicau-2SY-6D, QKT.sicau-2SY-2D, and QTKW.sicau-2SY-2D, QLWR.sicau-2SY-6D, QKS.sicau-2SY-1B/2D/6D, and QFFD.sicau-2SY-2D controlling KL, KW, KT, TKW, LWR, KS, and FFD, and identified in multiple environments, respectively. They were located on chromosomes 1BL, 2DL, and 6DS and formed three QTL clusters. Comparison of genetic and physical interval suggested that only QKL.sicau-2SY-1B located on chromosome 1BL was likely a novel QTL. A Kompetitive Allele Specific Polymerase chain reaction (KASP) marker, KASP-AX-109379070, closely linked to this novel QTL was developed and used to successfully confirm its effect in two different genetic populations and three variety panels consisting of 272 Chinese wheat landraces, 300 Chinese wheat cultivars most from the Yellow and Huai River Valley wheat region, and 165 Sichuan wheat cultivars. The relationships between kernel traits and other agronomic traits were detected and discussed. A few predicted genes involved in regulation of kernel growth and development were identified in the intervals of these identified major QTL. Taken together, these stable and major QTLs provide valuable information for understanding the genetic composition of kernel yield and provide the basis for molecular marker–assisted breeding.

ACS Style

Xiangru Qu; Jiajun Liu; Xinlin Xie; Qiang Xu; Huaping Tang; Yang Mu; Zhien Pu; Yang Li; Jun Ma; Yutian Gao; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Jirui Wang; Pengfei Qi; Ahsan Habib; Yuming Wei; Youliang Zheng; Xiujin Lan; Jian Ma. Genetic Mapping and Validation of Loci for Kernel-Related Traits in Wheat (Triticum aestivum L.). Frontiers in Plant Science 2021, 12, 1 .

AMA Style

Xiangru Qu, Jiajun Liu, Xinlin Xie, Qiang Xu, Huaping Tang, Yang Mu, Zhien Pu, Yang Li, Jun Ma, Yutian Gao, Qiantao Jiang, Yaxi Liu, Guoyue Chen, Jirui Wang, Pengfei Qi, Ahsan Habib, Yuming Wei, Youliang Zheng, Xiujin Lan, Jian Ma. Genetic Mapping and Validation of Loci for Kernel-Related Traits in Wheat (Triticum aestivum L.). Frontiers in Plant Science. 2021; 12 ():1.

Chicago/Turabian Style

Xiangru Qu; Jiajun Liu; Xinlin Xie; Qiang Xu; Huaping Tang; Yang Mu; Zhien Pu; Yang Li; Jun Ma; Yutian Gao; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Jirui Wang; Pengfei Qi; Ahsan Habib; Yuming Wei; Youliang Zheng; Xiujin Lan; Jian Ma. 2021. "Genetic Mapping and Validation of Loci for Kernel-Related Traits in Wheat (Triticum aestivum L.)." Frontiers in Plant Science 12, no. : 1.

Research article
Published: 31 May 2021 in Genome
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The basic leucine zipper (bZIP) family of genes encode transcription factors that play key roles in plant growth and development. In this study, a total of 92 HvbZIP genes were identified and compared with previous studies using recently released barley genome data. Two novel genes were characterized in this study, and some misannotated and duplicated genes from previous studies have been corrected. Phylogenetic analysis results showed that 92 HvbZIP genes were classified into 10 groups and three unknown groups. The gene structure and motif distribution of the three unknown groups implied that the genes of the three groups may be functionally different. Expression profiling indicated that the HvbZIP genes exhibited different patterns of spatial and temporal expression. Using qRT-PCR, more than 10 HvbZIP genes were identified with expression patterns similar to those of starch synthase genes in barley. Yeast one-hybrid analysis revealed that two of the HvbZIP genes exhibited in vitro binding activity to the promoter of HvAGP-S. The two HvbZIP genes may be candidate genes for further study to explore the mechanism by which they regulate the synthesis of barley starch.

ACS Style

Xiaojuan Zhong; Xiuqin Feng; Yulong Li; Carlos Guzmán; Na Lin; Qiang Xu; Yazhou Zhang; Huaping Tang; Pengfei Qi; Mei Deng; Jian Ma; Jirui Wang; Guoyue Chen; Xiujin Lan; Yuming Wei; Youliang Zheng; Qiantao Jiang. Genome-wide identification of bZIP transcription factor genes related to starch synthesis in barley (Hordeum vulgare L.). Genome 2021, 1 -14.

AMA Style

Xiaojuan Zhong, Xiuqin Feng, Yulong Li, Carlos Guzmán, Na Lin, Qiang Xu, Yazhou Zhang, Huaping Tang, Pengfei Qi, Mei Deng, Jian Ma, Jirui Wang, Guoyue Chen, Xiujin Lan, Yuming Wei, Youliang Zheng, Qiantao Jiang. Genome-wide identification of bZIP transcription factor genes related to starch synthesis in barley (Hordeum vulgare L.). Genome. 2021; ():1-14.

Chicago/Turabian Style

Xiaojuan Zhong; Xiuqin Feng; Yulong Li; Carlos Guzmán; Na Lin; Qiang Xu; Yazhou Zhang; Huaping Tang; Pengfei Qi; Mei Deng; Jian Ma; Jirui Wang; Guoyue Chen; Xiujin Lan; Yuming Wei; Youliang Zheng; Qiantao Jiang. 2021. "Genome-wide identification of bZIP transcription factor genes related to starch synthesis in barley (Hordeum vulgare L.)." Genome , no. : 1-14.

Research article
Published: 04 May 2021 in Plant Disease
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Stripe rust (yellow rust), caused by Puccinia striiformis f. sp. tritici, is one of the most destructive diseases of wheat worldwide. Chinese wheat landrace Guangtoumai (GTM) exhibited a high level of resistance against predominant P. striiformis f. sp. tritici races in China at the adult plant stage. The objective of this research was to identify and map the major locus/loci for stripe rust resistance in GTM. A set of 212 recombinant inbred lines (RILs) was developed from a cross between GTM and Avocet S. The parents and RILs were evaluated in three field tests (2018, 2019, and 2020 at Chongzhou, Sichuan) with the currently predominant P. striiformis f. sp. tritici races for final disease severity and genotyped with the Wheat 55K single nucleotide polymorphism (SNP) array to construct a genetic map with 1,031 SNP markers. A major locus, named QYr.GTM-5DL, was detected on chromosome 5DL in GTM. The locus was mapped in a 2.75-cM interval flanked by SNP markers AX-109855976 and AX-109453419, explaining up to 44.4% of the total phenotypic variation. Since no known Yr genes have been reported on chromosome 5DL, QYr.GTM-5DL is very likely a novel adult plant resistance locus. Haplotype analysis revealed that the resistance allele displayed enhanced levels of stripe rust resistance and is likely present in 5.3% of the 247 surveyed Chinese wheat landraces. The derived cleaved amplified polymorphic sequence (dCAPS) marker dCAPS-5722, converted from a SNP marker tightly linked to QYr.GTM-5DL with 0.3 cM, was validated on a subset of RILs and 48 commercial wheat cultivars developed in Sichuan. The results indicated that QYr.GTM-5DL with its linked dCAPS marker could be used in marker-assisted selection to improve stripe rust resistance in breeding programs, and this quantitative trait locus will provide new and possibly durable resistance to stripe rust.

ACS Style

Yu Wu; Yuqi Wang; Fangjie Yao; Li Long; Jing Li; Hao Li; Zhien Pu; Wei Li; Qian-Tao Jiang; Jirui Wang; Yu-Ming Wei; Jian Ma; Houyang Kang; Pengfei Qi; Shoufen Dai; Mei Deng; You-Liang Zheng; Yunfeng Jiang; Guo-Yue Chen. Molecular Mapping of a Novel Quantitative Trait Locus Conferring Adult Plant Resistance to Stripe Rust in Chinese Wheat Landrace Guangtoumai. Plant Disease 2021, 1 -07.

AMA Style

Yu Wu, Yuqi Wang, Fangjie Yao, Li Long, Jing Li, Hao Li, Zhien Pu, Wei Li, Qian-Tao Jiang, Jirui Wang, Yu-Ming Wei, Jian Ma, Houyang Kang, Pengfei Qi, Shoufen Dai, Mei Deng, You-Liang Zheng, Yunfeng Jiang, Guo-Yue Chen. Molecular Mapping of a Novel Quantitative Trait Locus Conferring Adult Plant Resistance to Stripe Rust in Chinese Wheat Landrace Guangtoumai. Plant Disease. 2021; ():1-07.

Chicago/Turabian Style

Yu Wu; Yuqi Wang; Fangjie Yao; Li Long; Jing Li; Hao Li; Zhien Pu; Wei Li; Qian-Tao Jiang; Jirui Wang; Yu-Ming Wei; Jian Ma; Houyang Kang; Pengfei Qi; Shoufen Dai; Mei Deng; You-Liang Zheng; Yunfeng Jiang; Guo-Yue Chen. 2021. "Molecular Mapping of a Novel Quantitative Trait Locus Conferring Adult Plant Resistance to Stripe Rust in Chinese Wheat Landrace Guangtoumai." Plant Disease , no. : 1-07.

Preprint content
Published: 26 April 2021
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Background: Improvement of wheat (Triticum aestivum L.) yield could relieve global food shortages. Kernel size, as an important component of 1000-kernel weight (TKW), is always a significant consideration to improve yield for wheat breeders. Wheat related species possesses numerous elite genes that can be introduced into wheat breeding. It is thus vital to explore, identify, and introduce new genetic resources for kernel size from wheat wild relatives to increase wheat yield.Results: In the present study, quantitative trait loci (QTL) for kernel length (KL) and width (KW) were detected in a recombinant inbred line (RIL) population derived from a cross between a wild emmer accession 'LM001' and a Sichuan endemic tetraploid wheat 'Ailanmai' using the Wheat 55K single nucleotide polymorphism (SNP) array-based constructed linkage map and phenotype from six different environments. We identified eleven QTL for KL and KW including two major ones QKL.sicau-AM-3B and QKW.sicau-AM-4B, the positive alleles of which were from LM001 and Ailanmai, respectively. They explained 17.57% to 44.28% and 13.91% to 39.01% of the phenotypic variance, respectively. For these two major QTL, Kompetitive allele-specific PCR (KASP) markers were developed and used to successfully validate their effects in three F3 populations and two natural populations containing a panel of 272 Chinese wheat landraces and that of 300 Chinese wheat cultivars, respectively. QKL.sicau-AM-3B was located at 666.2-685.9 Mb on chromosome arm 3BL. QKW.sicau-AM-4B was located at 639.7-696.4 Mb on chromosome arm 4BL. Comparison with previous studies suggested that these two major QTL were likely new loci. Further analysis indicated that the positive alleles of QKL.sicau-AM-3B and QKW.sicau-AM-4B had a great additive effect increasing TKW by 6.40%. Correlation analysis between KL and other agronomic traits showed that KL was significantly correlated to spike length, length of uppermost internode, TKW, and flag leaf length. KW was also significantly correlated with TKW. Four genes, TRIDC3BG062390, TRIDC3BG062400, TRIDC4BG037810, and TRIDC4BG037830, associated with kernel development were predicted in physical intervals harboring these two major QTL on wild emmer and Chinese Spring reference genomes.Conclusions: Two stable and major QTL for KL and KW across six environments were detected and verified in three biparental populations and two natural populations. Significant relationships between kernel size and yield-related traits were identified. KASP markers tightly linked the two major QTL could contribute greatly to subsequent fine mapping. These results suggested the application potential of wheat related species in wheat genetic improvement.

ACS Style

Jieguang Zhou; Cong Li; Jianing You; Huaping Tang; Yang Mu; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Jirui Wang; Pengfei Qi; Jun Ma; Yutian Gao; Ahsan Habib; Yuming Wei; Youliang Zheng; Xiujin Lan; Jian Ma. Genetic identification and characterization of chromosomal regions for kernel length and width increase from tetraploid wheat. 2021, 1 .

AMA Style

Jieguang Zhou, Cong Li, Jianing You, Huaping Tang, Yang Mu, Qiantao Jiang, Yaxi Liu, Guoyue Chen, Jirui Wang, Pengfei Qi, Jun Ma, Yutian Gao, Ahsan Habib, Yuming Wei, Youliang Zheng, Xiujin Lan, Jian Ma. Genetic identification and characterization of chromosomal regions for kernel length and width increase from tetraploid wheat. . 2021; ():1.

Chicago/Turabian Style

Jieguang Zhou; Cong Li; Jianing You; Huaping Tang; Yang Mu; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Jirui Wang; Pengfei Qi; Jun Ma; Yutian Gao; Ahsan Habib; Yuming Wei; Youliang Zheng; Xiujin Lan; Jian Ma. 2021. "Genetic identification and characterization of chromosomal regions for kernel length and width increase from tetraploid wheat." , no. : 1.

Journal article
Published: 14 April 2021
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ACS Style

Xiu Yang; Binwen Tan; Yulu Yang; Xiaohui Zhang; Wei Zhu; Lili Xu; Yi Wang; Jian Zeng; Xing Fan; Sha Lina; Zhang Haiqin; Dandan Wu; Jian Ma; Guo-Yue Chen; Yong-Hong Zhou; Kang Houyang. Genetic diversity of Asian and European common wheat lines assessed by fluorescence in situ hybridization. 2021, 1 .

AMA Style

Xiu Yang, Binwen Tan, Yulu Yang, Xiaohui Zhang, Wei Zhu, Lili Xu, Yi Wang, Jian Zeng, Xing Fan, Sha Lina, Zhang Haiqin, Dandan Wu, Jian Ma, Guo-Yue Chen, Yong-Hong Zhou, Kang Houyang. Genetic diversity of Asian and European common wheat lines assessed by fluorescence in situ hybridization. . 2021; ():1.

Chicago/Turabian Style

Xiu Yang; Binwen Tan; Yulu Yang; Xiaohui Zhang; Wei Zhu; Lili Xu; Yi Wang; Jian Zeng; Xing Fan; Sha Lina; Zhang Haiqin; Dandan Wu; Jian Ma; Guo-Yue Chen; Yong-Hong Zhou; Kang Houyang. 2021. "Genetic diversity of Asian and European common wheat lines assessed by fluorescence in situ hybridization." , no. : 1.

Journal article
Published: 06 April 2021 in The Crop Journal
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Tiller angle (TA) strongly influences plant architecture and grain yield in cereals. However, the genetic basis of TA in wheat is largely unknown. We identified three TA-related quantitative trait loci (QTL). One of them was QTa.sau-2B-769, a major QTL localized on chromosome arm 2BL. QTa.sau-2B-769 was detected in seven environments, explaining 18.1%–51.1% of phenotypic variance. We developed a linked Kompetitive Allele-Specific Polymerase chain reaction (KASP) marker, KASP-AX-108792274, to further validate this locus in three additional populations in multiple environments. QTa.sau-2B-769 increased TA by up to 24.9% in these populations. There were significant and positive correlations between TA and flag leaf angle (FLANG). However, TA was not correlated with plant height or anthesis date, suggesting that expression of QTa.sau-2B-769 is independent of vernalization. TraesCS2B01G583800, a gene known to be involved in leaf angle regulation, was identified as the most likely candidate gene for QTa.sau-2B-769. These results enrich our understanding of the mechanisms regulating wheat TA at maturity and may support precise mapping and cloning of gene(s) underlying QTa.sau-2B-769.

ACS Style

Jiajun Liu; Jieguang Zhou; Huaping Tang; Yang Tu; Yang Mu; Lulu Gou; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Jirui Wang; Pengfei Qi; Wei Li; Yunfeng Jiang; Zehong Yan; Houyang Kang; Yuming Wei; Xiujin Lan; Youliang Zheng; Jian Ma. A major vernalization-independent QTL for tiller angle on chromosome arm 2BL in bread wheat. The Crop Journal 2021, 1 .

AMA Style

Jiajun Liu, Jieguang Zhou, Huaping Tang, Yang Tu, Yang Mu, Lulu Gou, Qiantao Jiang, Yaxi Liu, Guoyue Chen, Jirui Wang, Pengfei Qi, Wei Li, Yunfeng Jiang, Zehong Yan, Houyang Kang, Yuming Wei, Xiujin Lan, Youliang Zheng, Jian Ma. A major vernalization-independent QTL for tiller angle on chromosome arm 2BL in bread wheat. The Crop Journal. 2021; ():1.

Chicago/Turabian Style

Jiajun Liu; Jieguang Zhou; Huaping Tang; Yang Tu; Yang Mu; Lulu Gou; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Jirui Wang; Pengfei Qi; Wei Li; Yunfeng Jiang; Zehong Yan; Houyang Kang; Yuming Wei; Xiujin Lan; Youliang Zheng; Jian Ma. 2021. "A major vernalization-independent QTL for tiller angle on chromosome arm 2BL in bread wheat." The Crop Journal , no. : 1.

Research article
Published: 18 February 2021 in Phytopathology®
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Chinese wheat landrace Anyuehong (AYH) has displayed high levels of stable adult-plant resistance (APR) to stripe rust for more than 15 years. To identify QTL for stripe rust resistance in AYH, a set of 110 recombinant inbred lines (RILs) was developed from a cross between AYH and susceptible cultivar Taichung 29. The parents and RILs were evaluated for final disease severity (FDS) in six field tests with a mixture of predominant Pst races at the adult-plant stage and genotyped using the wheat 55K SNP array to construct a genetic map with 1,143 SNP markers. Three QTL, designated as QYr.AYH-1AS, QYr.AYH-5BL and QYr.AYH-7DS, were mapped on chromosome 1AS, 5BL and 7DS, respectively. RILs combining three QTL showed significantly reduced FDS compared with the lines in other combinations. Of them, QYr.AYH-5BL and QYr.AYH-7DS were stably detected in all environments, explaining 13.6–21.4% and 17.6–33.6% of phenotypic variation, respectively. Compared with previous studies, QYr.AYH-5BL may be a new QTL, while QYr.AYH-7DS may be Yr18. Haplotype analysis revealed that QYr.AYH-5BL is likely present in 6.2% of the 323 surveyed Chinese wheat landraces. The Kompetitive allele specific PCR (KASP) markers for QYr.AYH-5BL were developed by the linked SNP markers to successfully confirm the effects of the QTL in a validation population derived from a residual heterozygous line, and were further assessed in 38 Chinese wheat landraces and 92 cultivars. Our results indicated that QYr.AYH-5BL with linked KASP markers should have potential value for marker-assisted selection to improve stripe rust resistance in breeding programs.

ACS Style

Li Long; Fangjie Yao; Miss Fangnian Guan; Yu-Kun Cheng; Miss Luyao Duan; Xuyang Zhao; Hao Li; Zhien Pu; Wei Li; Qian-Tao Jiang; Yuming Wei; Jian Ma; Houyang Kang; Shoufen Dai; Pengfei Qi; Qiang Xu; Mei Deng; You-Liang Zheng; Yunfeng Jiang; Guoyue Chen. A stable QTL on Chromosome 5BL Combined with Yr18 Conferring High-level Adult-plant Resistance to Stripe Rust in Chinese Wheat Landrace Anyuehong. Phytopathology® 2021, 1 .

AMA Style

Li Long, Fangjie Yao, Miss Fangnian Guan, Yu-Kun Cheng, Miss Luyao Duan, Xuyang Zhao, Hao Li, Zhien Pu, Wei Li, Qian-Tao Jiang, Yuming Wei, Jian Ma, Houyang Kang, Shoufen Dai, Pengfei Qi, Qiang Xu, Mei Deng, You-Liang Zheng, Yunfeng Jiang, Guoyue Chen. A stable QTL on Chromosome 5BL Combined with Yr18 Conferring High-level Adult-plant Resistance to Stripe Rust in Chinese Wheat Landrace Anyuehong. Phytopathology®. 2021; ():1.

Chicago/Turabian Style

Li Long; Fangjie Yao; Miss Fangnian Guan; Yu-Kun Cheng; Miss Luyao Duan; Xuyang Zhao; Hao Li; Zhien Pu; Wei Li; Qian-Tao Jiang; Yuming Wei; Jian Ma; Houyang Kang; Shoufen Dai; Pengfei Qi; Qiang Xu; Mei Deng; You-Liang Zheng; Yunfeng Jiang; Guoyue Chen. 2021. "A stable QTL on Chromosome 5BL Combined with Yr18 Conferring High-level Adult-plant Resistance to Stripe Rust in Chinese Wheat Landrace Anyuehong." Phytopathology® , no. : 1.

Preprint content
Published: 16 December 2020
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Background: Increasing wheat yield is an urgent task to solve the global food shortage. Spikelet number per spike (SNS) is a key factor in determining kernel number per spike which has a great effect on wheat grain yield. However, modern wheat breeding narrows genetic diversity among cultivars leading to a detrimental effect on future wheat improvement. It is thus of great significance to explore new genetic resources for SNS to increase wheat yield.Results: A tetraploid landrace ‘Ailanmai’ × wild emmer wheat recombinant inbred line (RIL) population was used to construct a high-density genetic map using the wheat 55K single nucleotide polymorphism (SNP) array. The results showed that 94.83% (6204) of the mapped markers had consistent genetic and physical chromosomal locations. Subsequently, fourteen quantitative trait loci (QTL) for SNS explaining 4.23-27.26% of the phenotypic variation were identified. QSns.sau-AM-2B.3 and QSns.sau-AM-3B.2 were considered as major and novel QTL and their combination had the largest effect and increased SNS by 17.47%. In the physical intervals of QSns.sau-AM-2B.3 and QSns.sau-AM-3B.2, some development-related genes were predicted to participate in the spikelet growth and affect SNS. Additionally, significant correlations between SNS and other agronomic traits like significant and positive correlation between SNS and thousand kernel weight were detected and analyzed. Conclusions: Our study demonstrated the feasibility of wheat 55K SNP array in genetic mapping of tetraploid wheat and provided an example of exploring outstanding genetic resources from wheat related species for further utilization in common wheat improvement.

ACS Style

Ziqiang Mo; Jing Zhu; Jiatai Wei; Jieguang Zhou; Qiang Xu; Huaping Tang; Yang Mu; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Jirui Wang; Pengfei Qi; Zhien Pu; Guangdeng Chen; Yuming Wei; Youliang Zheng; Xiujin Lan; Jian Ma. The Wheat 55K SNP-Based Exploration of Loci for Spikelet Number Per Spike From a Tetraploid Wheat (Triticum Turgidum L.) Recombinant Inbred Line Population Derived From a Chinese Landrace ‘ailanmai’ and a Wild Emmer Accession. 2020, 1 .

AMA Style

Ziqiang Mo, Jing Zhu, Jiatai Wei, Jieguang Zhou, Qiang Xu, Huaping Tang, Yang Mu, Qiantao Jiang, Yaxi Liu, Guoyue Chen, Jirui Wang, Pengfei Qi, Zhien Pu, Guangdeng Chen, Yuming Wei, Youliang Zheng, Xiujin Lan, Jian Ma. The Wheat 55K SNP-Based Exploration of Loci for Spikelet Number Per Spike From a Tetraploid Wheat (Triticum Turgidum L.) Recombinant Inbred Line Population Derived From a Chinese Landrace ‘ailanmai’ and a Wild Emmer Accession. . 2020; ():1.

Chicago/Turabian Style

Ziqiang Mo; Jing Zhu; Jiatai Wei; Jieguang Zhou; Qiang Xu; Huaping Tang; Yang Mu; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Jirui Wang; Pengfei Qi; Zhien Pu; Guangdeng Chen; Yuming Wei; Youliang Zheng; Xiujin Lan; Jian Ma. 2020. "The Wheat 55K SNP-Based Exploration of Loci for Spikelet Number Per Spike From a Tetraploid Wheat (Triticum Turgidum L.) Recombinant Inbred Line Population Derived From a Chinese Landrace ‘ailanmai’ and a Wild Emmer Accession." , no. : 1.

Journal article
Published: 17 November 2020 in The Crop Journal
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Kernel weight (KW), together with kernel number per unit area, determines yield of cereal crops. Here, two barley recombinant inbred lines (RILs) populations with a shared parent were used to identify loci controlling KW. One is Baudin/AWCS276 (BA) for which a linkage map was available. Several large-effect QTL controlling KW were detected in this population. Another is Morex/AWCS276 (MA). A linkage map with 5273 makers formed 1454 clusters, was constructed by the genotyping by sequence (GBS) data of 201 RILs from this population. A single marker was selected to represent each of the clusters and the linkage map constructed with these markers covers a total length of 1022.4 cM with an average interval of approximately 0.7 cM between loci. Three of the large-effect loci controlling KW (located on 2HL, 6HL, and 7HL, respectively) identified from the BA population were also detected in the MA population under different environments. The locus on 6HL was detected in each of the experiments conducted for both populations thus was selected for developing near isogenic lines (NILs). Apart from KW, the two isolines for each pair of the putative NILs obtained showed no significant difference for any of the morphological characteristics assessed. The average difference in KW between the isolines for all the NILs obtained was about 15% based on assessments under both glasshouse and field conditions. Taken advantage that high quality genome assemblies for both Morex and AWCS276 are available, we identified candidate genes underlying two of the three loci based on an orthologous analysis. The NILs developed and the candidate genes identified in this study should facilitate the cloning and functional analysis of genes regulating KW in barley.

ACS Style

Hong Zhou; Wei Luo; Shang Gao; Jian Ma; Meixue Zhou; Yuming Wei; Youliang Zheng; Yaxi Liu; Chunji Liu. Identification of loci and candidate genes controlling kernel weight in barley based on a population for which whole genome assemblies are available for both parents. The Crop Journal 2020, 9, 854 -861.

AMA Style

Hong Zhou, Wei Luo, Shang Gao, Jian Ma, Meixue Zhou, Yuming Wei, Youliang Zheng, Yaxi Liu, Chunji Liu. Identification of loci and candidate genes controlling kernel weight in barley based on a population for which whole genome assemblies are available for both parents. The Crop Journal. 2020; 9 (4):854-861.

Chicago/Turabian Style

Hong Zhou; Wei Luo; Shang Gao; Jian Ma; Meixue Zhou; Yuming Wei; Youliang Zheng; Yaxi Liu; Chunji Liu. 2020. "Identification of loci and candidate genes controlling kernel weight in barley based on a population for which whole genome assemblies are available for both parents." The Crop Journal 9, no. 4: 854-861.

Preprint content
Published: 21 October 2020
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The spikelet number per spike (SNS) is a primary factor determining wheat yield. Common wheat breeding reduces the genetic diversity among elite germplasm resources, leading to a detrimental effect on future wheat production. It is, therefore, necessary to explore new genetic resources for SNS to increase wheat yield. A tetraploid landrace ‘Ailanmai’ × wild emmer wheat recombinant inbred line (RIL) population was used to construct a genetic map using the wheat 55K single nucleotide polymorphism (SNP) array. The linkage map containing 1150 bin markers with a total genetic distance of 2411.8 cM was obtained. Based on phenotypic data from eight environments and best linear unbiased prediction (BLUP) values, five quantitative trait loci (QTL) for SNS were identified, explaining 6.71-29.40% of the phenotypic variation. Two of them, QSns.sau-AM-2B.3 and QSns.sau-AM-3B.2, were detected as the major and novel QTL. Their effects were further validated in two additional F2 populations using tightly linked Kompetitive Allele-Specific PCR (KASP) markers. Potential candidate genes within the physical intervals of corresponding QTL were predicted to participate in inflorescence development and spikelet formation. Genetic associations between SNS and other agronomic traits were also detected and analyzed. This study demonstrates the feasibility of wheat 55K SNP array developed for common wheat in genetic mapping of tetraploid population and shows the potential application of wheat related species in wheat improvement programs.

ACS Style

Ziqiang Mo; Jing Zhu; Jiatai Wei; Jieguang Zhou; Qiang Xu; Huaping Tang; Yang Mu; Mei Deng; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Jirui Wang; Pengfei Qi; Wei Li; Yuming Wei; Youliang Zheng; Xiujin Lan; Jian Ma. The 55K SNP-Based Exploration of QTL for Spikelet Number Per Spike in a Tetraploid Wheat (Triticum turgidum L.) Population: Chinese Landrace ‘Ailanmai’ × Wild Emmer. 2020, 1 .

AMA Style

Ziqiang Mo, Jing Zhu, Jiatai Wei, Jieguang Zhou, Qiang Xu, Huaping Tang, Yang Mu, Mei Deng, Qiantao Jiang, Yaxi Liu, Guoyue Chen, Jirui Wang, Pengfei Qi, Wei Li, Yuming Wei, Youliang Zheng, Xiujin Lan, Jian Ma. The 55K SNP-Based Exploration of QTL for Spikelet Number Per Spike in a Tetraploid Wheat (Triticum turgidum L.) Population: Chinese Landrace ‘Ailanmai’ × Wild Emmer. . 2020; ():1.

Chicago/Turabian Style

Ziqiang Mo; Jing Zhu; Jiatai Wei; Jieguang Zhou; Qiang Xu; Huaping Tang; Yang Mu; Mei Deng; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Jirui Wang; Pengfei Qi; Wei Li; Yuming Wei; Youliang Zheng; Xiujin Lan; Jian Ma. 2020. "The 55K SNP-Based Exploration of QTL for Spikelet Number Per Spike in a Tetraploid Wheat (Triticum turgidum L.) Population: Chinese Landrace ‘Ailanmai’ × Wild Emmer." , no. : 1.

Original article
Published: 07 October 2020 in Theoretical and Applied Genetics
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Eight major and stably expressed QTL for flag leaf morphology across eleven environments were identified and validated using newly developed KASP markers in seven biparental populations with different genetic backgrounds. Flag leaf morphology is a determinant trait influencing plant architecture and yield potential in wheat (Triticum aestivum L.). A recombinant inbred line (RIL) population with a 55 K SNP-based constructed genetic map was used to map quantitative trait loci (QTL) for flag leaf length (FLL), width (FLW), area (FLA), angle (FLANG), opening angle (FLOA), and bend angle (FLBA) in eleven environments. Eight major QTL were detected in 11 environments with 5.73-54.38% of explained phenotypic variation. These QTL were successfully verified using the newly developed Kompetitive Allele Specific PCR (KASP) markers in six biparental populations with different genetic backgrounds. Among these 8 major QTL, two co-located intervals were identified. Significant interactions for both FLL- and FLW-related QTL were detected. Comparison analysis showed that QFll.sau-SY-2B and QFla.sau-SY-2B are likely new loci. Significant relationships between flag leaf- and yield-related traits were observed and discussed. Several genes associated with leaf development including the ortholog of maize ZmRAVL1, a B3-domain transcription factor involved in regulation of leaf angle, were predicted in physical intervals harboring these major QTL on reference genomes of bread wheat 'Chinese spring', T. turgidum, and Aegilops tauschii. Taken together, these results broaden our understanding on genetic basis of flag leaf morphology and provide clues for fine mapping and marker-assisted breeding wheat with optimized plant architecture for promising loci.

ACS Style

Yang Tu; Hang Liu; Jiajun Liu; Huaping Tang; Yang Mu; Mei Deng; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Jirui Wang; Pengfei Qi; Zhien Pu; Guangdeng Chen; Yuanying Peng; Yunfeng Jiang; Qiang Xu; Houyang Kang; Xiujin Lan; Yuming Wei; Youliang Zheng; Jian Ma. QTL mapping and validation of bread wheat flag leaf morphology across multiple environments in different genetic backgrounds. Theoretical and Applied Genetics 2020, 134, 261 -278.

AMA Style

Yang Tu, Hang Liu, Jiajun Liu, Huaping Tang, Yang Mu, Mei Deng, Qiantao Jiang, Yaxi Liu, Guoyue Chen, Jirui Wang, Pengfei Qi, Zhien Pu, Guangdeng Chen, Yuanying Peng, Yunfeng Jiang, Qiang Xu, Houyang Kang, Xiujin Lan, Yuming Wei, Youliang Zheng, Jian Ma. QTL mapping and validation of bread wheat flag leaf morphology across multiple environments in different genetic backgrounds. Theoretical and Applied Genetics. 2020; 134 (1):261-278.

Chicago/Turabian Style

Yang Tu; Hang Liu; Jiajun Liu; Huaping Tang; Yang Mu; Mei Deng; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Jirui Wang; Pengfei Qi; Zhien Pu; Guangdeng Chen; Yuanying Peng; Yunfeng Jiang; Qiang Xu; Houyang Kang; Xiujin Lan; Yuming Wei; Youliang Zheng; Jian Ma. 2020. "QTL mapping and validation of bread wheat flag leaf morphology across multiple environments in different genetic backgrounds." Theoretical and Applied Genetics 134, no. 1: 261-278.

Original article
Published: 01 September 2020 in Theoretical and Applied Genetics
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A novel, stably expressed, and plant height-independent QTL for spike extension length on 5AS was identified and validated in different populations using a newly developed and tightly linked KASP marker. As an important component of plant height (PH), spike extension length (SEL) plays a significant role in formation of an ideotype in wheat. Despite the fact that numerous loci for SEL in wheat have been reported, our knowledge on PH-independent loci remains to be limited. In this study, two recombinant inbred line (RIL) populations genotyped using the Wheat55K SNP were used to detect quantitative trait loci (QTL) controlling SEL across six environments. A total of 30 QTL for SEL were detected in these two RIL populations, and four of them, i.e., QSEL.sicau-2CN-4D, QSEL.sicau-2SY-4B.2, QSEL.sicau-2SY-4D.1, and QSEL.sicau-2CN-5A, were stably expressed. Genetic and conditional QTL analysis showed that the first three were significantly associated with PH, while the last one, QSEL.sicau-2CN-5A, is independent of PH. Comparison of genetic and physical maps suggested that only QSEL.sicau-2CN-5A located on chromosome arm 5AS is likely a novel QTL. A Kompetitive Allele-Specific PCR (KASP) marker, KASP-AX-110413733, tightly linked to this novel QTL was developed to successfully confirm its effect in three different genetic populations. Further, in the interval where QSEL.sicau-2CN-5A was located on ‘Chinese Spring’ wheat reference genome, three promising genes mainly expressed in wheat stem were predicated and they all encode the cytochrome P450 that was demonstrated to be closely associated with SEL elongation in rice. In addition, significant correlations between SEL and PH, spikelet number per spike, and thousand-grain weight were also detected. Altogether, our results broaden our understanding on genetic basis of SEL and will be useful for marker-based selection of lines with different SELs and fine mapping the novel and PH-independent QTL QSEL.sicau-2CN-5A.

ACS Style

Cong Li; Huaping Tang; Wei Luo; Xuemei Zhang; Yang Mu; Mei Deng; Yaxi Liu; Qiantao Jiang; Guoyue Chen; Jirui Wang; Pengfei Qi; Zhien Pu; Yunfeng Jiang; Yuming Wei; Youliang Zheng; Xiujin Lan; Jian Ma. A novel, validated, and plant height-independent QTL for spike extension length is associated with yield-related traits in wheat. Theoretical and Applied Genetics 2020, 133, 3381 -3393.

AMA Style

Cong Li, Huaping Tang, Wei Luo, Xuemei Zhang, Yang Mu, Mei Deng, Yaxi Liu, Qiantao Jiang, Guoyue Chen, Jirui Wang, Pengfei Qi, Zhien Pu, Yunfeng Jiang, Yuming Wei, Youliang Zheng, Xiujin Lan, Jian Ma. A novel, validated, and plant height-independent QTL for spike extension length is associated with yield-related traits in wheat. Theoretical and Applied Genetics. 2020; 133 (12):3381-3393.

Chicago/Turabian Style

Cong Li; Huaping Tang; Wei Luo; Xuemei Zhang; Yang Mu; Mei Deng; Yaxi Liu; Qiantao Jiang; Guoyue Chen; Jirui Wang; Pengfei Qi; Zhien Pu; Yunfeng Jiang; Yuming Wei; Youliang Zheng; Xiujin Lan; Jian Ma. 2020. "A novel, validated, and plant height-independent QTL for spike extension length is associated with yield-related traits in wheat." Theoretical and Applied Genetics 133, no. 12: 3381-3393.

Article
Published: 30 July 2020 in Plant Molecular Biology
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A novel and major QTL for the effective tiller number was identified on chromosomal arm 1BL and validated in two genetic backgrounds The effective tiller number (ETN) substantially influences plant architecture and the wheat yield improvement. In this study, we constructed a genetic map of the 2SY (20828/SY95-71) recombinant inbred line population based on the Wheat 55K array as well as the simple sequence repeat (SSR) and Kompetitive Allele Specific PCR (KASP) markers. A comparison between the genetic and physical maps indicated the marker positions were consistent in the two maps. Additionally, we identified seven tillering-related quantitative trait locus (QTLs), including Qetn-sau-1B.1, which is a major QTL localized to a 6.17-cM interval flanked by markers AX-89635557 and AX-111544678 on chromosome 1BL. The Qetn-sau-1B.1 QTL was detected in eight environments and explained 12.12–55.71% of the phenotypic variance. Three genes associated with the ETN were detected in the physical interval of Qetn-sau-1B.1. We used a tightly linked KASP marker, KASP-AX-110129912, to further validate this QTL in two other populations with different genetic backgrounds. The results indicated that Qetn-sau-1B.1 significantly increased the ETN by up to 23.5%. The results of this study will be useful for the precise mapping and cloning of Qetn-sau-1B.1.

ACS Style

Jiajun Liu; Huaping Tang; Xiangru Qu; Hang Liu; Cong Li; Yang Tu; Shuiqing Li; Ahsan Habib; Yang Mu; Shoufeng Dai; Mei Deng; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Jirui Wang; Guangdeng Chen; Wei Li; Yunfeng Jiang; Yuming Wei; Xiujin Lan; Youliang Zheng; Jian Ma. A novel, major, and validated QTL for the effective tiller number located on chromosome arm 1BL in bread wheat. Plant Molecular Biology 2020, 104, 173 -185.

AMA Style

Jiajun Liu, Huaping Tang, Xiangru Qu, Hang Liu, Cong Li, Yang Tu, Shuiqing Li, Ahsan Habib, Yang Mu, Shoufeng Dai, Mei Deng, Qiantao Jiang, Yaxi Liu, Guoyue Chen, Jirui Wang, Guangdeng Chen, Wei Li, Yunfeng Jiang, Yuming Wei, Xiujin Lan, Youliang Zheng, Jian Ma. A novel, major, and validated QTL for the effective tiller number located on chromosome arm 1BL in bread wheat. Plant Molecular Biology. 2020; 104 (1-2):173-185.

Chicago/Turabian Style

Jiajun Liu; Huaping Tang; Xiangru Qu; Hang Liu; Cong Li; Yang Tu; Shuiqing Li; Ahsan Habib; Yang Mu; Shoufeng Dai; Mei Deng; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Jirui Wang; Guangdeng Chen; Wei Li; Yunfeng Jiang; Yuming Wei; Xiujin Lan; Youliang Zheng; Jian Ma. 2020. "A novel, major, and validated QTL for the effective tiller number located on chromosome arm 1BL in bread wheat." Plant Molecular Biology 104, no. 1-2: 173-185.

Original paper
Published: 13 March 2020 in Cereal Research Communications
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The 1BL/1RS translocation is widespread in a large number of wheat varieties. In this study, we comprehensively evaluated the effects of the 1BL/1RS translocation on 24 traits in a recombinant inbred line population derived from the cross between 20828 and Chuannong16. The phenotypic data was from multiple environments and major loci for a given trait were excluded to avoid their interference with the effects of 1BL/1RS translocation. Comparison results showed that 1RS chromosome arm carried lines had positive effect on increasing maximum root length and spike density. While 1BS chromosome arm carried lines had positive effects on increasing plant height, grain number per spike, effective tiller, root tip number, and resistance to stripe rust. The stripe rust resistance genes, Yr15 detected on 1BS in this study and QYr.sicau-1B.1 identified previously on 1BL were both derived from 20828. These results revealed the genetic mechanism of near-immune resistance to stripe rust in 20828 that has been utilized as a breeding parent for over a decade, and thus possibly accelerate its breeding utilization. This study combined with previous studies indicated that 1BS chromosome arm is likely beneficial to yield increase, while 1RS is more helpful for drought tolerance improvement.

ACS Style

Hang Liu; Huaping Tang; Puyang Ding; Yang Mu; Ahsan Habib; Yaxi Liu; Qiantao Jiang; Guoyue Chen; Houyang Kang; Yuming Wei; Youliang Zheng; Xiujin Lan; Jian Ma. Effects of the 1BL/1RS translocation on 24 traits in a recombinant inbred line population. Cereal Research Communications 2020, 48, 225 -232.

AMA Style

Hang Liu, Huaping Tang, Puyang Ding, Yang Mu, Ahsan Habib, Yaxi Liu, Qiantao Jiang, Guoyue Chen, Houyang Kang, Yuming Wei, Youliang Zheng, Xiujin Lan, Jian Ma. Effects of the 1BL/1RS translocation on 24 traits in a recombinant inbred line population. Cereal Research Communications. 2020; 48 (2):225-232.

Chicago/Turabian Style

Hang Liu; Huaping Tang; Puyang Ding; Yang Mu; Ahsan Habib; Yaxi Liu; Qiantao Jiang; Guoyue Chen; Houyang Kang; Yuming Wei; Youliang Zheng; Xiujin Lan; Jian Ma. 2020. "Effects of the 1BL/1RS translocation on 24 traits in a recombinant inbred line population." Cereal Research Communications 48, no. 2: 225-232.

Journal article
Published: 27 February 2020 in Gene
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Hairiness, which is a phenotypic trait common among land plants, primarily affects the stem, leaf, and floral organs. Plant hairiness is associated with complex functions. For example, glume hairiness in wheat is related to the resistance to biotic and abiotic stresses, and may also influence human health. In the present study, two pairs of near-isogenic lines (NILs) for glume hairiness, which were derived from a cross between a Tibetan semi-wild wheat accession (Triticum aestivum ssp. tibetanum Q1028) and a common wheat cultivar (T. aestivum ‘Zhengmai 9023’), underwent a glume transcriptome analysis. We detected 27,935 novel genes, of which 18,027 were annotated. Additionally, 488 and 600 differentially expressed genes (DEGs) were detected in NIL1 and NIL2, respectively, with 37 DEGs detected in both NIL pairs. Moreover, 987 and 1584 single nucleotide polymorphisms (SNPs) were detected in NIL1 and NIL2, respectively, with 39 SNPs detected in both NIL pairs, of which most were located in the Hairy glume (Hg) gene region on chromosome arm 1AS. The annotation of the DEGs with gene ontology terms revealed that genes associated with hairiness in Arabidopsis and rice were similarly enriched. The possible functions of these genes related to glume hairiness were examined. The study results provide useful information for identifying candidate genes and the fine-mapping of Hg in the wheat genome.

ACS Style

Wei Luo; Jiajun Liu; Puyang Ding; Cong Li; Hang Liu; Yang Mu; Huaping Tang; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Guangdeng Chen; Yunfeng Jiang; Pengfei Qi; Youliang Zheng; Yuming Wei; Chunji Liu; Xiujin Lan; Jian Ma. Transcriptome analysis of near-isogenic lines for glume hairiness of wheat. Gene 2020, 739, 144517 .

AMA Style

Wei Luo, Jiajun Liu, Puyang Ding, Cong Li, Hang Liu, Yang Mu, Huaping Tang, Qiantao Jiang, Yaxi Liu, Guoyue Chen, Guangdeng Chen, Yunfeng Jiang, Pengfei Qi, Youliang Zheng, Yuming Wei, Chunji Liu, Xiujin Lan, Jian Ma. Transcriptome analysis of near-isogenic lines for glume hairiness of wheat. Gene. 2020; 739 ():144517.

Chicago/Turabian Style

Wei Luo; Jiajun Liu; Puyang Ding; Cong Li; Hang Liu; Yang Mu; Huaping Tang; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Guangdeng Chen; Yunfeng Jiang; Pengfei Qi; Youliang Zheng; Yuming Wei; Chunji Liu; Xiujin Lan; Jian Ma. 2020. "Transcriptome analysis of near-isogenic lines for glume hairiness of wheat." Gene 739, no. : 144517.

Original paper
Published: 20 February 2020 in Genetica
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Barley shrunken endosperm mutants have been extensively reported. However, knowledge of the underlying molecular mechanisms of these mutants remains limited. Here, a pair of near isogenic lines (normal endosperm: Bowman and shrunken endosperm: sex1) was subjected to transcriptome analysis to identify mRNAs and lncRNAs related to endosperm development to further dissect its mechanism of molecular regulation. A total of 2123 (1140 up- and 983 down-regulated) unique differentially expressed genes (DEGs) were detected. Functional analyses showed that these DEGs were mainly involved in starch and sucrose metabolism, biosynthesis of secondary metabolites, and plant hormone signal transduction. A total of 343 unique target genes were identified for 57 differentially expressed lncRNAs (DE lncRNAs). These DE lncRNAs were mainly involved in glycerophospholipid metabolism, starch and sucrose metabolism, hormone signal transduction, and stress response. In addition, key lncRNAs were identified by constructing a co-expression network of the target genes of DE lncRNAs. Transcriptome results suggested that mRNA and lncRNA played a critical role in endosperm development. The shrunken endosperm in barley seems to be closely related to plant hormone signal transduction, starch and sucrose metabolism, and cell apoptosis. This study provides a foundation for fine mapping, elucidates the molecular mechanism of shrunken endosperm mutants, and also provides a reference for further studies of lncRNAs during the grain development of plants.

ACS Style

Yaya Zou; Huaping Tang; Ting Li; Min Sun; Xiangru Qu; Jieguang Zhou; Congcong Yang; Yang Mu; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Guangdeng Chen; Youliang Zheng; Yuming Wei; Xiujin Lan; Jian Ma. Identification and characterization of mRNAs and lncRNAs of a barley shrunken endosperm mutant using RNA-seq. Genetica 2020, 148, 55 -68.

AMA Style

Yaya Zou, Huaping Tang, Ting Li, Min Sun, Xiangru Qu, Jieguang Zhou, Congcong Yang, Yang Mu, Qiantao Jiang, Yaxi Liu, Guoyue Chen, Guangdeng Chen, Youliang Zheng, Yuming Wei, Xiujin Lan, Jian Ma. Identification and characterization of mRNAs and lncRNAs of a barley shrunken endosperm mutant using RNA-seq. Genetica. 2020; 148 (2):55-68.

Chicago/Turabian Style

Yaya Zou; Huaping Tang; Ting Li; Min Sun; Xiangru Qu; Jieguang Zhou; Congcong Yang; Yang Mu; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Guangdeng Chen; Youliang Zheng; Yuming Wei; Xiujin Lan; Jian Ma. 2020. "Identification and characterization of mRNAs and lncRNAs of a barley shrunken endosperm mutant using RNA-seq." Genetica 148, no. 2: 55-68.

Journal article
Published: 01 January 2020 in Genome
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A completely developed and vigorous root system can provide a stable platform for aboveground plant organs. To identify loci controlling root traits that could be used in wheat (Triticum aestivum L.) breeding, 199 recombinant inbred lines were used to measure and analyze eight root traits. A total of 18 quantitative trait loci (QTL) located on chromosomes 1A, 2A, 2B, 2D, 4B, 4D, 6A, 7A, and 7B were identified. The phenotypic variation explained by these 18 QTL ranged from 3.27% to 11.75%, and the logarithm of odds scores ranged from 2.50 to 6.58. A comparison of physical intervals indicated several new QTL for root traits were identified. In addition, significant correlations between root and agronomic traits were detected and discussed. The results presented in this study, along with those of previous reports, suggest that chromosomes 2 and 7 likely play important roles in the growth and development of wheat roots.

ACS Style

Ting Li; Jian Ma; Yaya Zou; Guangdeng Chen; Pu-Yang Ding; Han Zhang; Cong-Cong Yang; Yang Mu; Huaping Tang; Yaxi Liu; Qiantao Jiang; Guo-Yue Chen; Peng-Fei Qi; Yu-Ming Wei; Youliang Zheng; Xiu-Jin Lan. Quantitative trait loci for seeding root traits and the relationships between root and agronomic traits in common wheat. Genome 2020, 63, 27 -36.

AMA Style

Ting Li, Jian Ma, Yaya Zou, Guangdeng Chen, Pu-Yang Ding, Han Zhang, Cong-Cong Yang, Yang Mu, Huaping Tang, Yaxi Liu, Qiantao Jiang, Guo-Yue Chen, Peng-Fei Qi, Yu-Ming Wei, Youliang Zheng, Xiu-Jin Lan. Quantitative trait loci for seeding root traits and the relationships between root and agronomic traits in common wheat. Genome. 2020; 63 (1):27-36.

Chicago/Turabian Style

Ting Li; Jian Ma; Yaya Zou; Guangdeng Chen; Pu-Yang Ding; Han Zhang; Cong-Cong Yang; Yang Mu; Huaping Tang; Yaxi Liu; Qiantao Jiang; Guo-Yue Chen; Peng-Fei Qi; Yu-Ming Wei; Youliang Zheng; Xiu-Jin Lan. 2020. "Quantitative trait loci for seeding root traits and the relationships between root and agronomic traits in common wheat." Genome 63, no. 1: 27-36.

Original article
Published: 20 November 2019 in Plant Breeding
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Spike density (SD), an important spike morphological trait associated with wheat yield, is the spikelet number per spike (SNS) divided by spike length (SL). In this study, phenotypic data from eight environments were collected and a recombinant inbred line population (RIL) constructed by the wheat line 20828 and the cultivar 'Chuannong16' and a Wheat55K SNP array‐based constructed genetic linkage map were used to identify SD quantitative trait locus (QTL). Correlation between SD and other agronomic traits was calculated. Genes associated with plant growth and development for major loci were predicted. The results showed that 24 QTLs associated with SD were detected in eight environments. Among them, three major QTL, namely QSd.sicau‐5B.2, QSd.sicau‐2D.3 and QSd.sicau‐4B.1, explained up to 35.62%, 14.21% and 11.23% of phenotypic variation, respectively. The positive alleles of them were all derived from 'Chuannong16'. The significant relationships between SD and other agronomic traits were detected and discussed. Taken together, the stably expressed SD QTL under different environments identified in this study provided theoretical guidance for further fine mapping and germplasm improvement.

ACS Style

Hang Liu; Jian Ma; Yang Tu; Jing Zhu; Puyang Ding; Jiajun Liu; Ting Li; Yaya Zou; Ahsan Habib; Yang Mu; Huaping Tang; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Youliang Zheng; Yuming Wei; Xiujin Lan. Several stably expressed QTL for spike density of common wheat ( Triticum aestivum ) in multiple environments. Plant Breeding 2019, 139, 284 -294.

AMA Style

Hang Liu, Jian Ma, Yang Tu, Jing Zhu, Puyang Ding, Jiajun Liu, Ting Li, Yaya Zou, Ahsan Habib, Yang Mu, Huaping Tang, Qiantao Jiang, Yaxi Liu, Guoyue Chen, Youliang Zheng, Yuming Wei, Xiujin Lan. Several stably expressed QTL for spike density of common wheat ( Triticum aestivum ) in multiple environments. Plant Breeding. 2019; 139 (2):284-294.

Chicago/Turabian Style

Hang Liu; Jian Ma; Yang Tu; Jing Zhu; Puyang Ding; Jiajun Liu; Ting Li; Yaya Zou; Ahsan Habib; Yang Mu; Huaping Tang; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Youliang Zheng; Yuming Wei; Xiujin Lan. 2019. "Several stably expressed QTL for spike density of common wheat ( Triticum aestivum ) in multiple environments." Plant Breeding 139, no. 2: 284-294.

Correction
Published: 29 October 2019 in Theoretical and Applied Genetics
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Unfortunately, the author contribution statement was missed out in the original publication. The complete statement is given below.

ACS Style

Jian Ma; Puyang Ding; Jiajun Liu; Ting Li; Yaya Zou; Ahsan Habib; Yang Mu; Huaping Tang; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Jirui Wang; Mei Deng; Pengfei Qi; Wei Li; Zhien Pu; Youliang Zheng; Yuming Wei; Xiujin Lan. Correction to: Identification and validation of a major and stably expressed QTL for spikelet number per spike in bread wheat. Theoretical and Applied Genetics 2019, 133, 367 -367.

AMA Style

Jian Ma, Puyang Ding, Jiajun Liu, Ting Li, Yaya Zou, Ahsan Habib, Yang Mu, Huaping Tang, Qiantao Jiang, Yaxi Liu, Guoyue Chen, Jirui Wang, Mei Deng, Pengfei Qi, Wei Li, Zhien Pu, Youliang Zheng, Yuming Wei, Xiujin Lan. Correction to: Identification and validation of a major and stably expressed QTL for spikelet number per spike in bread wheat. Theoretical and Applied Genetics. 2019; 133 (1):367-367.

Chicago/Turabian Style

Jian Ma; Puyang Ding; Jiajun Liu; Ting Li; Yaya Zou; Ahsan Habib; Yang Mu; Huaping Tang; Qiantao Jiang; Yaxi Liu; Guoyue Chen; Jirui Wang; Mei Deng; Pengfei Qi; Wei Li; Zhien Pu; Youliang Zheng; Yuming Wei; Xiujin Lan. 2019. "Correction to: Identification and validation of a major and stably expressed QTL for spikelet number per spike in bread wheat." Theoretical and Applied Genetics 133, no. 1: 367-367.