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Dr. Soraya Mousavi
CNR—Institute of Biosciences and Bioresources, Via Madonna Alta 130, 06128 Perugia, Italy

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0 Metabolomics
0 Transcriptomics
0 Molecular evaluation of olive cultivars
0 Ecotypes and wild populations
0 Development of new markers

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Ecotypes and wild populations

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Journal article
Published: 21 August 2021 in Foods
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The extent and conditions of storage may affect the stability and quality of extra virgin olive oil (EVOO). This study aimed at evaluating the effects of different storage conditions (ambient, 4 °C and −18 °C temperatures, and argon headspace) on three EVOOs (low, medium, and high phenols) over 18 and 36 months, analyzing the main metabolites at six time points. The results showed that low temperatures are able to maintain all three EVOOs within the legal limits established by the current EU regulations for most compounds up to 36 months. Oleocanthal, squalene, and total phenols were affected by storage temperatures more than other compounds and degradation of squalene and α-tocopherol was inhibited only by low temperatures. The best temperature for 3-year conservation was 4 °C, but −18 °C represented the optimum temperature to preserve the organoleptic properties. The present study provided new insights that should guide EVOO manufacturers and traders to apply the most efficient storage methods to maintain the characteristics of the freshly extracted oils for a long conservation time.

ACS Style

Soraya Mousavi; Roberto Mariotti; Vitale Stanzione; Saverio Pandolfi; Valerio Mastio; Luciana Baldoni; Nicolò G. M. Cultrera. Evolution of Extra Virgin Olive Oil Quality under Different Storage Conditions. Foods 2021, 10, 1945 .

AMA Style

Soraya Mousavi, Roberto Mariotti, Vitale Stanzione, Saverio Pandolfi, Valerio Mastio, Luciana Baldoni, Nicolò G. M. Cultrera. Evolution of Extra Virgin Olive Oil Quality under Different Storage Conditions. Foods. 2021; 10 (8):1945.

Chicago/Turabian Style

Soraya Mousavi; Roberto Mariotti; Vitale Stanzione; Saverio Pandolfi; Valerio Mastio; Luciana Baldoni; Nicolò G. M. Cultrera. 2021. "Evolution of Extra Virgin Olive Oil Quality under Different Storage Conditions." Foods 10, no. 8: 1945.

Original article
Published: 25 November 2020 in Evolutionary Applications
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Introduction Self‐incompatibility (SI) in flowering plants potentially represents a major obstacle for sexual reproduction, especially when the number of S‐alleles is low. The situation is extreme in the commercially important olive tree, where in vitro pollination assays suggested the existence of a diallelic SI (DSI) system involving only two groups (G1 and G2). Varieties belonging to the same SI group cannot fertilize each other, such that successful fruit production is predicted to require pollination between varieties of different groups. Methods and Results To test this prediction, we explored the extent to which the DSI system determines fertilization patterns under field conditions. 117 olive cultivars were first genotyped using ten highly polymorphic dinucleotide Simple Sequence Repeat (SSR) markers to ascertain varietal identity. Cultivars were then phenotyped through controlled pollination tests to assign each of them to one of the two SI groups. We then collected and genotyped 1,440 open pollinated embryos from five different orchards constituted of seven local cultivars with known group of incompatibility groups. Embryos genotype information were used: (i) to assign embryos to the most likely pollen donor genotype in the neighborhood using paternity analysis, and (ii) to compare the composition of the pollen cloud genetic among recipient trees in the five sites. The paternity analysis showed that the DSI system is the main determinant of fertilization success under field open pollination conditions: G1 cultivars sired seeds exclusively on G2 cultivars, and reciprocally. No self‐fertilization events were observed. Discussion Our results demonstrate that DSI is a potent force determining pollination success among varieties within olive orchards used for production. They have the potential to improve management practices by guiding the selection of compatible varieties to avoid planting orchards containing sets of varieties with strongly unbalanced SI groups, as these would lead to suboptimal olive production.

ACS Style

Roberto Mariotti; Saverio Pandolfi; Isabelle De Cauwer; Pierre Saumitou‐Laprade; Philippe Vernet; Martina Rossi; Federica Baglivo; Luciana Baldoni; Soraya Mousavi. Diallelic self‐incompatibility is the main determinant of fertilization patterns in olive orchards. Evolutionary Applications 2020, 14, 983 -995.

AMA Style

Roberto Mariotti, Saverio Pandolfi, Isabelle De Cauwer, Pierre Saumitou‐Laprade, Philippe Vernet, Martina Rossi, Federica Baglivo, Luciana Baldoni, Soraya Mousavi. Diallelic self‐incompatibility is the main determinant of fertilization patterns in olive orchards. Evolutionary Applications. 2020; 14 (4):983-995.

Chicago/Turabian Style

Roberto Mariotti; Saverio Pandolfi; Isabelle De Cauwer; Pierre Saumitou‐Laprade; Philippe Vernet; Martina Rossi; Federica Baglivo; Luciana Baldoni; Soraya Mousavi. 2020. "Diallelic self‐incompatibility is the main determinant of fertilization patterns in olive orchards." Evolutionary Applications 14, no. 4: 983-995.

Journal article
Published: 10 August 2020 in Genes
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Background: The species Olea europaea includes cultivated varieties (subsp. europaea var. europaea), wild plants (subsp. europaea var. sylvestris), and five other subspecies spread over almost all continents. Single nucleotide polymorphisms in the expressed sequence tag able to underline intra-species differentiation are not yet identified, beyond a few plastidial markers. Methods: In the present work, more than 1000 transcript-specific SNP markers obtained by the genotyping of 260 individuals were studied. These genotypes included cultivated, oleasters, and samples of subspecies guanchica, and were analyzed in silico, in order to identify polymorphisms on key genes distinguishing different Olea europaea forms. Results: Phylogeny inference and principal coordinate analysis allowed to detect two distinct clusters, clearly separating wilds and guanchica samples from cultivated olives, meanwhile the structure analysis made possible to differentiate these three groups. Sequences carrying the polymorphisms that distinguished wild and cultivated olives were analyzed and annotated, allowing to identify 124 candidate genes that have a functional role in flower development, stress response, or involvement in important metabolic pathways. Signatures of selection that occurred during olive domestication, were detected and reported. Conclusion: This deep EST–SNP analysis provided important information on the genetic and genomic diversity of the olive complex, opening new opportunities to detect gene polymorphisms with potential functional and evolutionary roles, and to apply them in genomics-assisted breeding, highlighting the importance of olive germplasm conservation.

ACS Style

Roberto Mariotti; Angjelina Belaj; Raul De La Rosa; Lorenzo Leòn; Federico Brizioli; Luciana Baldoni; Soraya Mousavi. EST–SNP Study of Olea europaea L. Uncovers Functional Polymorphisms between Cultivated and Wild Olives. Genes 2020, 11, 916 .

AMA Style

Roberto Mariotti, Angjelina Belaj, Raul De La Rosa, Lorenzo Leòn, Federico Brizioli, Luciana Baldoni, Soraya Mousavi. EST–SNP Study of Olea europaea L. Uncovers Functional Polymorphisms between Cultivated and Wild Olives. Genes. 2020; 11 (8):916.

Chicago/Turabian Style

Roberto Mariotti; Angjelina Belaj; Raul De La Rosa; Lorenzo Leòn; Federico Brizioli; Luciana Baldoni; Soraya Mousavi. 2020. "EST–SNP Study of Olea europaea L. Uncovers Functional Polymorphisms between Cultivated and Wild Olives." Genes 11, no. 8: 916.

Original article
Published: 28 May 2020 in Molecular Biology Reports
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Stearoyl-ACP desaturases (SADs) and fatty acid desaturases (FADs) play a critical role in plant lipid metabolism and also affect oil fatty acid composition introducing double bonds into the hydrocarbon chains to produce unsaturated fatty acids. In the present study, the genomic sequences of three SAD and three FAD candidate genes were characterized in olive and their expression was evaluated in different plant tissues. OeSAD genes corresponded to olive SAD1 and SAD2 and to a newly identified OeSAD4, sharing the conserved protein structure with other plant species. On the other hand, the full-length genomic sequences of two microsomal OeFAD genes (FAD2-1 and FAD2-2) and the plastidial FAD6, were released. When the level of expression was tested on different tissues of cv. Leccino, OeSAD1 and OeSAD2 were mainly expressed in the fruits, while OeFAD genes showed the lowest expression in this tissue. The mRNA profiling of all genes was directly studied in fruits of Leccino and Coratina cultivars during fruit development. In both genotypes, the expression level of OeSAD1 and OeSAD2 had the highest value during and after the pit-hardening period, when oil accumulation in fruit mesocarp is intensively increasing. Furthermore, the expression level of both OeFAD2 genes, which were the main candidates for oleic acid desaturation, were almost negligible during fruit ripening. These results have made possible to define candidate genes of the machinery regulation of fatty acid composition in olive oil, providing information on their sequence, gene structure and chromosomal location.

ACS Style

C. Contreras; R. Mariotti; Soraya Mousavi; Luciana Baldoni; C. Guerrero; L. Roka; Nicolò Cultrera; P. Pierantozzi; D. Maestri; L. Gentili; M. Tivani; M. Torres. Characterization and validation of olive FAD and SAD gene families: expression analysis in different tissues and during fruit development. Molecular Biology Reports 2020, 47, 4345 -4355.

AMA Style

C. Contreras, R. Mariotti, Soraya Mousavi, Luciana Baldoni, C. Guerrero, L. Roka, Nicolò Cultrera, P. Pierantozzi, D. Maestri, L. Gentili, M. Tivani, M. Torres. Characterization and validation of olive FAD and SAD gene families: expression analysis in different tissues and during fruit development. Molecular Biology Reports. 2020; 47 (6):4345-4355.

Chicago/Turabian Style

C. Contreras; R. Mariotti; Soraya Mousavi; Luciana Baldoni; C. Guerrero; L. Roka; Nicolò Cultrera; P. Pierantozzi; D. Maestri; L. Gentili; M. Tivani; M. Torres. 2020. "Characterization and validation of olive FAD and SAD gene families: expression analysis in different tissues and during fruit development." Molecular Biology Reports 47, no. 6: 4345-4355.

Original research article
Published: 28 January 2020 in Frontiers in Plant Science
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The genetic control of self-incompatibility (SI) has been recently disclosed in olive. Inter-varietal crossing confirmed the presence of only two incompatibility groups (G1 and G2), suggesting a simple Mendelian inheritance of the trait. A double digest restriction associated DNA (ddRAD) sequencing of a biparental population segregating for incompatibility groups has been performed and high-density linkage maps were constructed in order to map the SI locus and identify gene candidates and linked markers. The progeny consisted of a full-sib family of 229 individuals derived from the cross ‘Leccino’ (G1) × ‘Dolce Agogia’ (G2) varieties, segregating 1:1 (G1:G2), in accordance with a diallelic self-incompatibility (DSI) model. A total of 16,743 single nucleotide polymorphisms was identified, 7,006 in the female parent ‘Leccino’ and 9,737 in the male parent ‘Dolce Agogia.’ Each parental map consisted of 23 linkage groups and showed an unusual large size (5,680 cM in ‘Leccino’ and 3,538 cM in ‘Dolce Agogia’). Recombination was decreased across all linkage groups in pollen mother cells of ‘Dolce Agogia,’ the parent with higher heterozygosity, compared to megaspore mother cells of ‘Leccino,’ in a context of a species that showed exceptionally high recombination rates. A subset of 109 adult plants was assigned to either incompatibility group by a stigma test and the diallelic self-incompatibility (DSI) locus was mapped to an interval of 5.4 cM on linkage group 18. This region spanned a size of approximately 300 Kb in the olive genome assembly. We developed a sequence-tagged site marker in the DSI locus and identified five haplotypes in 57 cultivars with known incompatibility group assignment. A combination of two single-nucleotide polymorphisms (SNPs) was sufficient to predict G1 or G2 phenotypes in olive cultivars, enabling early marker-assisted selection of compatible genotypes and allowing for a rapid screening of inter-compatibility among cultivars in order to guarantee effective fertilization and increase olive production. The construction of high-density linkage maps has led to the development of the first functional marker in olive and provided positional candidate genes in the SI locus.

ACS Style

Roberto Mariotti; Alice Fornasiero; Soraya Mousavi; Nicolò Cultrera; Federico Brizioli; Saverio Pandolfi; Valentina Passeri; Martina Rossi; Gabriele Magris; Simone Scalabrin; Davide Scaglione; Gabriele Di Gaspero; Pierre Saumitou-Laprade; Philippe Vernet; Fiammetta Alagna; Michele Morgante; Luciana Baldoni. Genetic Mapping of the Incompatibility Locus in Olive and Development of a Linked Sequence-Tagged Site Marker. Frontiers in Plant Science 2020, 10, 1 .

AMA Style

Roberto Mariotti, Alice Fornasiero, Soraya Mousavi, Nicolò Cultrera, Federico Brizioli, Saverio Pandolfi, Valentina Passeri, Martina Rossi, Gabriele Magris, Simone Scalabrin, Davide Scaglione, Gabriele Di Gaspero, Pierre Saumitou-Laprade, Philippe Vernet, Fiammetta Alagna, Michele Morgante, Luciana Baldoni. Genetic Mapping of the Incompatibility Locus in Olive and Development of a Linked Sequence-Tagged Site Marker. Frontiers in Plant Science. 2020; 10 ():1.

Chicago/Turabian Style

Roberto Mariotti; Alice Fornasiero; Soraya Mousavi; Nicolò Cultrera; Federico Brizioli; Saverio Pandolfi; Valentina Passeri; Martina Rossi; Gabriele Magris; Simone Scalabrin; Davide Scaglione; Gabriele Di Gaspero; Pierre Saumitou-Laprade; Philippe Vernet; Fiammetta Alagna; Michele Morgante; Luciana Baldoni. 2020. "Genetic Mapping of the Incompatibility Locus in Olive and Development of a Linked Sequence-Tagged Site Marker." Frontiers in Plant Science 10, no. : 1.

Book chapter
Published: 01 January 2020 in Biotechnology of fruit and nut crops
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ACS Style

E. Rugini; L. Baldoni; C. Silvestri; R. Mariotti; N. Cultrera; V. Cristofori; M. A. Bashir; Soraya Mousavi; J. A. Mercado; F. Pliego-Alfaro. iOlea europaea/i olive. Biotechnology of fruit and nut crops 2020, 343 -376.

AMA Style

E. Rugini, L. Baldoni, C. Silvestri, R. Mariotti, N. Cultrera, V. Cristofori, M. A. Bashir, Soraya Mousavi, J. A. Mercado, F. Pliego-Alfaro. iOlea europaea/i olive. Biotechnology of fruit and nut crops. 2020; ():343-376.

Chicago/Turabian Style

E. Rugini; L. Baldoni; C. Silvestri; R. Mariotti; N. Cultrera; V. Cristofori; M. A. Bashir; Soraya Mousavi; J. A. Mercado; F. Pliego-Alfaro. 2020. "iOlea europaea/i olive." Biotechnology of fruit and nut crops , no. : 343-376.

Journal article
Published: 18 November 2019 in Scientific Reports
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Olive is a long-living perennial species with a wide geographical distribution, showing a large genetic and phenotypic variation in its growing area. There is an urgent need to uncover how olive phenotypic traits and plasticity can change regardless of the genetic background. A two-year study was conducted, based on the analysis of fruit and oil traits of 113 cultivars from five germplasm collections established in Mediterranean Basin countries and Argentina. Fruit and oil traits plasticity, broad‐sense heritability and genotype by environment interaction were estimated. From variance and heritability analyses, it was shown that fruit fresh weight was mainly under genetic control, whereas oleic/(palmitic + linoleic) acids ratio was regulated by the environment and genotype by environment interaction had the major effect on oil content. Among the studied cultivars, different level of stability was observed, which allowed ranking the cultivars based on their plasticity for oil traits. High thermal amplitude, the difference of low and high year values of temperature, negatively affected the oil content and the oleic acid percentage. Information derived from this work will help to direct the selection of cultivars with the highest global fitness averaged over the environments rather than the highest fitness in each environment separately.

ACS Style

Soraya Mousavi; Raul De La Rosa; Abdelmajid Moukhli; Milad El Riachy; Roberto Mariotti; Mariela Torres; Pierluigi Pierantozzi; Vitale Stanzione; Valerio Mastio; Hayat Zaher; Abderraouf El Antari; Salam Ayoub; Faten Dandachi; Hiyam Youssef; Nikolas Aggelou; Cibeles Contreras; Damián Maestri; Angjelina Belaj; Marina Bufacchi; Luciana Baldoni; Lorenzo Leon. Plasticity of fruit and oil traits in olive among different environments. Scientific Reports 2019, 9, 1 -13.

AMA Style

Soraya Mousavi, Raul De La Rosa, Abdelmajid Moukhli, Milad El Riachy, Roberto Mariotti, Mariela Torres, Pierluigi Pierantozzi, Vitale Stanzione, Valerio Mastio, Hayat Zaher, Abderraouf El Antari, Salam Ayoub, Faten Dandachi, Hiyam Youssef, Nikolas Aggelou, Cibeles Contreras, Damián Maestri, Angjelina Belaj, Marina Bufacchi, Luciana Baldoni, Lorenzo Leon. Plasticity of fruit and oil traits in olive among different environments. Scientific Reports. 2019; 9 (1):1-13.

Chicago/Turabian Style

Soraya Mousavi; Raul De La Rosa; Abdelmajid Moukhli; Milad El Riachy; Roberto Mariotti; Mariela Torres; Pierluigi Pierantozzi; Vitale Stanzione; Valerio Mastio; Hayat Zaher; Abderraouf El Antari; Salam Ayoub; Faten Dandachi; Hiyam Youssef; Nikolas Aggelou; Cibeles Contreras; Damián Maestri; Angjelina Belaj; Marina Bufacchi; Luciana Baldoni; Lorenzo Leon. 2019. "Plasticity of fruit and oil traits in olive among different environments." Scientific Reports 9, no. 1: 1-13.

Original research article
Published: 05 July 2019 in Frontiers in Plant Science
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Olive is considered as a moderately salt tolerant plant, however, tolerance to salt appears to be cultivar-dependent and genotypic responses have not been extensively investigated. In this work, saline stress was induced in four olive cultivars: Arbequina, Koroneiki, Royal de Cazorla and Fadak 86. The plants were grown in 2.5 l pots containing 60% peat and 40% of pumice mixture for 240 days and were irrigated three times a week with half-strength Hoagland solution containing 0, 100 and 200 mM NaCl. The effects of salt stress on growth, physiological and biochemical parameters were determined after 180, 210, and 240 days of treatment. Saline stress response was evaluated in leaves by measuring the activity of GSH and CAT enzymatic activity, as well as proline levels, gas exchanges, leaves relative water content and chlorophyll content, and proline content. All the studied cultivars showed a decrease in Net Photosynthesis, leaves chlorophyll content and plant growth (mainly leaves dry weight) and an increase in the activity of GSH and CAT. In addition, the reduction of proline content in leaf tissues, induced an alteration of osmotic regulation. Among the studied cultivars Royal and Koroneiki better counteracting the effects of saline stress thanks to a higher activity of two antioxidant enzymes.

ACS Style

Luca Regni; Alberto Marco Del Pino; Soraya Mousavi; Carlo Alberto Palmerini; Luciana Baldoni; Roberto Mariotti; Hanene Mairech; Tiziano Gardi; Roberto D'Amato; Primo Proietti. Behavior of Four Olive Cultivars During Salt Stress. Frontiers in Plant Science 2019, 10, 867 .

AMA Style

Luca Regni, Alberto Marco Del Pino, Soraya Mousavi, Carlo Alberto Palmerini, Luciana Baldoni, Roberto Mariotti, Hanene Mairech, Tiziano Gardi, Roberto D'Amato, Primo Proietti. Behavior of Four Olive Cultivars During Salt Stress. Frontiers in Plant Science. 2019; 10 ():867.

Chicago/Turabian Style

Luca Regni; Alberto Marco Del Pino; Soraya Mousavi; Carlo Alberto Palmerini; Luciana Baldoni; Roberto Mariotti; Hanene Mairech; Tiziano Gardi; Roberto D'Amato; Primo Proietti. 2019. "Behavior of Four Olive Cultivars During Salt Stress." Frontiers in Plant Science 10, no. : 867.

Mini review article
Published: 26 June 2019 in Frontiers in Plant Science
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Olive, representing one of the most important fruit crops of the Mediterranean area, is characterized by a general low fruit yield, due to numerous constraints, including alternate bearing, low flower viability, male-sterility, inter-incompatibility, and self-incompatibility (SI). Early efforts to clarify the genetic control of SI in olive gave conflicting results, and only recently, the genetic control of SI has been disclosed, revealing that olive possesses an unconventional homomorphic sporophytic diallelic system of SI, dissimilar from other described plants. This system, characterized by the presence of two SI groups, prevents self-fertilization and regulates inter-compatibility between cultivars, such that cultivars bearing the same incompatibility group are incompatible. Despite the presence of a functional SI, some varieties, in particular conditions, are able to set seeds following self-fertilization, a mechanism known as pseudo-self-compatibility (PSC), as widely reported in previous literature. Here, we summarize the results of previous works on SI in olive, particularly focusing on the occurrence of self-fertility, and offer a new perspective in view of the recent elucidation of the genetic architecture of the SI system in olive. Recent advances in research aimed at unraveling the molecular bases of SI and its breakdown in olive are also presented. The clarification of these mechanisms may have a huge impact on orchard management and will provide fundamental information for the future of olive breeding programs.

ACS Style

F. Alagna; M. E. Caceres; S. Pandolfi; S. Collani; Soraya Mousavi; R. Mariotti; Nicolò Cultrera; L. Baldoni; G. Barcaccia. The Paradox of Self-Fertile Varieties in the Context of Self-Incompatible Genotypes in Olive. Frontiers in Plant Science 2019, 10, 1 .

AMA Style

F. Alagna, M. E. Caceres, S. Pandolfi, S. Collani, Soraya Mousavi, R. Mariotti, Nicolò Cultrera, L. Baldoni, G. Barcaccia. The Paradox of Self-Fertile Varieties in the Context of Self-Incompatible Genotypes in Olive. Frontiers in Plant Science. 2019; 10 ():1.

Chicago/Turabian Style

F. Alagna; M. E. Caceres; S. Pandolfi; S. Collani; Soraya Mousavi; R. Mariotti; Nicolò Cultrera; L. Baldoni; G. Barcaccia. 2019. "The Paradox of Self-Fertile Varieties in the Context of Self-Incompatible Genotypes in Olive." Frontiers in Plant Science 10, no. : 1.

Journal article
Published: 31 January 2019 in Scientific Reports
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Cultivated olive, a typical fruit crop species of the semi-arid regions, could successfully face the new scenarios driven by the climate change through the selection of tolerant varieties to salt and drought stresses. In the present work, multidisciplinary approaches, including physiological, epigenetic and genetic studies, have been applied to clarify the salt tolerance mechanisms in olive. Four varieties (Koroneiki, Royal de Cazorla, Arbequina and Picual) and a related form (O. europaea subsp. cuspidata) were grown in a hydroponic system under different salt concentrations from zero to 200 mM. In order to verify the plant response under salt stress, photosynthesis, gas exchange and relative water content were measured at different time points, whereas chlorophyll and leaf concentration of Na+, K+ and Ca2+ ions, were quantified at 43 and 60 days after treatment, when stress symptoms became prominent. Methylation sensitive amplification polymorphism (MSAP) technique was used to assess the effects of salt stress on plant DNA methylation. Several fragments resulted differentially methylated among genotypes, treatments and time points. Real time quantitative PCR (RT-qPCR) analysis revealed significant expression changes related to plant response to salinity. Four genes (OePIP1.1, OePetD, OePI4Kg4 and OeXyla) were identified, as well as multiple retrotransposon elements usually targeted by methylation under stress conditions.

ACS Style

Soraya Mousavi; Luca Regni; Marika Bocchini; Roberto Mariotti; Nicolò Cultrera; Stefano Mancuso; Jalaladdin Googlani; Mohammad Reza Chakerolhosseini; Consolación Guerrero; Emidio Albertini; Luciana Baldoni; Primo Proietti. Physiological, epigenetic and genetic regulation in some olive cultivars under salt stress. Scientific Reports 2019, 9, 1 -17.

AMA Style

Soraya Mousavi, Luca Regni, Marika Bocchini, Roberto Mariotti, Nicolò Cultrera, Stefano Mancuso, Jalaladdin Googlani, Mohammad Reza Chakerolhosseini, Consolación Guerrero, Emidio Albertini, Luciana Baldoni, Primo Proietti. Physiological, epigenetic and genetic regulation in some olive cultivars under salt stress. Scientific Reports. 2019; 9 (1):1-17.

Chicago/Turabian Style

Soraya Mousavi; Luca Regni; Marika Bocchini; Roberto Mariotti; Nicolò Cultrera; Stefano Mancuso; Jalaladdin Googlani; Mohammad Reza Chakerolhosseini; Consolación Guerrero; Emidio Albertini; Luciana Baldoni; Primo Proietti. 2019. "Physiological, epigenetic and genetic regulation in some olive cultivars under salt stress." Scientific Reports 9, no. 1: 1-17.

Original research article
Published: 08 January 2019 in Frontiers in Plant Science
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Gene sequence variation in cultivated olive (Olea europaea L. subsp. europaea var. europaea), the most important oil tree crop of the Mediterranean basin, has been poorly evaluated up to now. A deep sequence analysis of fragments of four genes, OeACP1, OeACP2, OeLUS and OeSUT1, in 90 cultivars, revealed a wide range of polymorphisms along all recognized allele forms and unexpected allele frequencies and genotype combinations. High linkage values among most polymorphisms were recorded within each gene fragment. The great sequence variability corresponded to a low number of alleles and, surprisingly, to a small fraction of genotype combinations. The distribution, frequency, and combination of the different alleles at each locus is possibly due to natural and human pressures, such as selection, ancestrality, or fitness. Phylogenetic analyses of allele sequences showed distant and complex patterns of relationships among cultivated olives, intermixed with other related forms, highlighting an evolutionary connection between olive cultivars and the O. europaea subspecies cuspidata and cerasiformis. This study demonstrates how a detailed and complete sequence analysis of a few gene portions and a thorough genotyping on a representative set of cultivars can clarify important issues related to sequence polymorphisms, reconstructing the phylogeny of alleles, as well as the genotype combinations. The identification of regions representing blocks of recombination could reveal polymorphisms that represent putatively functional markers. Indeed, specific mutations found on the analyzed OeACP1 and OeACP2 fragments seem to be correlated to the fruit weight.

ACS Style

Nicolò Cultrera; Vania Sarri; Livia Lucentini; Marilena Ceccarelli; Fiammetta Alagna; Roberto Mariotti; Soraya Mousavi; Consolacion Guerrero Ruiz; Luciana Baldoni. High Levels of Variation Within Gene Sequences of Olea europaea L. Frontiers in Plant Science 2019, 9, 1932 .

AMA Style

Nicolò Cultrera, Vania Sarri, Livia Lucentini, Marilena Ceccarelli, Fiammetta Alagna, Roberto Mariotti, Soraya Mousavi, Consolacion Guerrero Ruiz, Luciana Baldoni. High Levels of Variation Within Gene Sequences of Olea europaea L. Frontiers in Plant Science. 2019; 9 ():1932.

Chicago/Turabian Style

Nicolò Cultrera; Vania Sarri; Livia Lucentini; Marilena Ceccarelli; Fiammetta Alagna; Roberto Mariotti; Soraya Mousavi; Consolacion Guerrero Ruiz; Luciana Baldoni. 2019. "High Levels of Variation Within Gene Sequences of Olea europaea L." Frontiers in Plant Science 9, no. : 1932.

Original paper
Published: 22 August 2018 in European Food Research and Technology
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The phenotypic and genetic variability of local olives in a perspective of diversity conservation should be maintained and preserved. Fourteen unknown olive genotypes were selected from abandoned and isolated plants in Umbria region and characterized by ten SSR markers. The molecular analysis led to identify ten previously unknown genotypes within the patrimony of the region, made up by about 10 main cultivars and more than 100 minor ones. Fruit samples were randomly collected from the selected plants during two growing seasons and oil was extracted from each sample. Analyses of fatty acid composition, phenolic profile (flavonoids, phenolic acids, phenolic alcohols and lignans), tocopherols, squalene and sterols were performed on these oils. Significant differences were observed in terms of main fatty acids (e.g. oleic acid from 71.83 to 76.73%), but not for the minor ones. The important differences were instead obtained on the amount of α-tocopherol, ranging from 149 to 583 mg kg−1, and on squalene, spanning from 1059 to 5447 mg kg−1. Evaluation of major and minor compounds with the principal component analysis of the main oil quality parameters revealed differentiation according to the genotypes. The analysis of neglected olive genotypes from a small area of cultivation has led to the identification of a promising source of variability for most sought-after traits, which could be exploited for new olive plantations and to magnify the spectrum of local olive oils.

ACS Style

Soraya Mousavi; Vitale Stanzione; Massimo Mencuccini; Luciana Baldoni; Marina Bufacchi; Roberto Mariotti. Biochemical and molecular profiling of unknown olive genotypes from central Italy: determination of major and minor components. European Food Research and Technology 2018, 245, 83 -94.

AMA Style

Soraya Mousavi, Vitale Stanzione, Massimo Mencuccini, Luciana Baldoni, Marina Bufacchi, Roberto Mariotti. Biochemical and molecular profiling of unknown olive genotypes from central Italy: determination of major and minor components. European Food Research and Technology. 2018; 245 (1):83-94.

Chicago/Turabian Style

Soraya Mousavi; Vitale Stanzione; Massimo Mencuccini; Luciana Baldoni; Marina Bufacchi; Roberto Mariotti. 2018. "Biochemical and molecular profiling of unknown olive genotypes from central Italy: determination of major and minor components." European Food Research and Technology 245, no. 1: 83-94.

Journal article
Published: 01 April 2018 in Acta Horticulturae
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ACS Style

S. Mousavi; R. Mariotti; M. Breidi; S. Vanacore; F. Baglivo; N. Aggelou; M. Mencuccini; M. Bufacchi. Olive oil quality in crossbred progeny of ‘Leccino’. Acta Horticulturae 2018, 535 -542.

AMA Style

S. Mousavi, R. Mariotti, M. Breidi, S. Vanacore, F. Baglivo, N. Aggelou, M. Mencuccini, M. Bufacchi. Olive oil quality in crossbred progeny of ‘Leccino’. Acta Horticulturae. 2018; (1199):535-542.

Chicago/Turabian Style

S. Mousavi; R. Mariotti; M. Breidi; S. Vanacore; F. Baglivo; N. Aggelou; M. Mencuccini; M. Bufacchi. 2018. "Olive oil quality in crossbred progeny of ‘Leccino’." Acta Horticulturae , no. 1199: 535-542.

Journal article
Published: 19 July 2017 in Frontiers in Plant Science
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Germplasm collections of tree crop species represent fundamental tools for conservation of diversity and key steps for its characterization and evaluation. For the olive tree, several collections were created all over the world, but only few of them have been fully characterized and molecularly identified. The olive collection of Perugia University (UNIPG), established in the years ’60, represents one of the first attempts to gather and safeguard olive diversity, keeping together cultivars from different countries. In the present study, a set of 370 olive trees previously uncharacterized was screened with ten standard SSRs and nine new EST-SSR markers, to correctly and thoroughly identify all genotypes, verify their representativeness of the entire cultivated olive variation, and validate the effectiveness of new markers in comparison to standard genotyping tools. The SSR analysis revealed the presence of 59 genotypes, corresponding to 72 well known cultivars, thirteen of them resulting exclusively present in this collection. The new EST-SSRs have shown values of diversity parameters quite similar to those of best standard SSRs. When compared to hundreds of Mediterranean cultivars, the UNIPG olive accessions were splitted into the three main populations (East, Center and West Mediterranean), confirming that the collection has a good representativeness of the entire olive variability. Furthermore, Bayesian analysis, performed on the 59 genotypes of the collection by the use of both sets of markers, have demonstrated their splitting into four clusters, with a well balanced membership obtained by EST respect to standard SSRs. The new OLEST (Olea expressed sequence tags) SSR markers resulted as effective as the best standard markers. The information obtained from this study represents a high valuable tool for ex situ conservation and management of olive genetic resources, useful to build a common database from worldwide olive cultivar collections, also based on recently developed markers.

ACS Style

Soraya Mousavi; Roberto Mariotti; Luca Regni; Luigi Nasini; Marina Bufacchi; Saverio Pandolfi; Luciana Baldoni; Primo Proietti. The First Molecular Identification of an Olive Collection Applying Standard Simple Sequence Repeats and Novel Expressed Sequence Tag Markers. Frontiers in Plant Science 2017, 8, 1 .

AMA Style

Soraya Mousavi, Roberto Mariotti, Luca Regni, Luigi Nasini, Marina Bufacchi, Saverio Pandolfi, Luciana Baldoni, Primo Proietti. The First Molecular Identification of an Olive Collection Applying Standard Simple Sequence Repeats and Novel Expressed Sequence Tag Markers. Frontiers in Plant Science. 2017; 8 ():1.

Chicago/Turabian Style

Soraya Mousavi; Roberto Mariotti; Luca Regni; Luigi Nasini; Marina Bufacchi; Saverio Pandolfi; Luciana Baldoni; Primo Proietti. 2017. "The First Molecular Identification of an Olive Collection Applying Standard Simple Sequence Repeats and Novel Expressed Sequence Tag Markers." Frontiers in Plant Science 8, no. : 1.

Journal article
Published: 05 April 2017 in Annals of Botany
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Background and Aims Olive is considered a native plant of the eastern side of the Mediterranean basin, from where it should have spread westward along the Mediterranean shores, while little is known about its diffusion in the eastern direction.

ACS Style

Soraya Mousavi; Roberto Mariotti; Francesca Bagnoli; Lorenzo Costantini; Nicolò Cultrera; Kazem Arzani; Saverio Pandolfi; Giovanni Giuseppe Vendramin; Bahareh Torkzaban; Mehdi Hosseini-Mazinani; Luciana Baldoni. The eastern part of the Fertile Crescent concealed an unexpected route of olive (Olea europaea L.) differentiation. Annals of Botany 2017, 119, 1305 -1318.

AMA Style

Soraya Mousavi, Roberto Mariotti, Francesca Bagnoli, Lorenzo Costantini, Nicolò Cultrera, Kazem Arzani, Saverio Pandolfi, Giovanni Giuseppe Vendramin, Bahareh Torkzaban, Mehdi Hosseini-Mazinani, Luciana Baldoni. The eastern part of the Fertile Crescent concealed an unexpected route of olive (Olea europaea L.) differentiation. Annals of Botany. 2017; 119 (8):1305-1318.

Chicago/Turabian Style

Soraya Mousavi; Roberto Mariotti; Francesca Bagnoli; Lorenzo Costantini; Nicolò Cultrera; Kazem Arzani; Saverio Pandolfi; Giovanni Giuseppe Vendramin; Bahareh Torkzaban; Mehdi Hosseini-Mazinani; Luciana Baldoni. 2017. "The eastern part of the Fertile Crescent concealed an unexpected route of olive (Olea europaea L.) differentiation." Annals of Botany 119, no. 8: 1305-1318.

Original article
Published: 23 November 2016 in Tree Genetics & Genomes
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Rapid and effective genotyping is an important goal to discriminate among the numerous olive cultivars and their wild related forms. The largely used di-nucleotide simple sequence repeat (SSR) markers show a high level of polymorphism and have strongly contributed to solve many inconsistencies in varietal identity, but many problems related to difficult discrimination of neighboring alleles and low comparability of data among different labs severely reduce their applicability for large-scale screening. The availability of numerous transcriptome libraries, which were developed from different tissues of several olive varieties, has allowed their intensive screening to search for polynucleotide microsatellite regions with long core repeats, potentially polymorphic among varieties. An accurate screening of all these polymorphisms has allowed to select a set of 25 trinucleotide and one tetranucleotide SSRs, showing a good level of discrimination power with a high allele pattern resolution and repeatability. They were preliminarily tested on a group of cultivated varieties then validated on a wider group of cultivated and wild plants, and related species and subspecies, demonstrating a good transferability within the entire Olea taxon. Furthermore, an in silico functional prediction has allowed to assign each transcribed sequence to their gene functions and biological process categories, highlighting their potential application of these new EST-SSRs as functional markers.

ACS Style

R. Mariotti; N. G. M. Cultrera; S. Mousavi; F. Baglivo; M. Rossi; Emidio Albertini; F. Alagna; Fabrizio Carbone; G. Perrotta; Luciana Baldoni. Development, evaluation, and validation of new EST-SSR markers in olive (Olea europaea L.). Tree Genetics & Genomes 2016, 12, 120 .

AMA Style

R. Mariotti, N. G. M. Cultrera, S. Mousavi, F. Baglivo, M. Rossi, Emidio Albertini, F. Alagna, Fabrizio Carbone, G. Perrotta, Luciana Baldoni. Development, evaluation, and validation of new EST-SSR markers in olive (Olea europaea L.). Tree Genetics & Genomes. 2016; 12 (6):120.

Chicago/Turabian Style

R. Mariotti; N. G. M. Cultrera; S. Mousavi; F. Baglivo; M. Rossi; Emidio Albertini; F. Alagna; Fabrizio Carbone; G. Perrotta; Luciana Baldoni. 2016. "Development, evaluation, and validation of new EST-SSR markers in olive (Olea europaea L.)." Tree Genetics & Genomes 12, no. 6: 120.

Journal article
Published: 01 August 2016 in Bioresource Technology
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The kinetic behaviour of olive tree pruning (PR), two- (2PH) and three-phase (3PH) olive pomace and their blends was investigated under combustion condition using thermogravimetric analysis. PR was blended with 2PH and 3PH at different ratios (25:75, 50:50 and 75:25) and tested in the temperature range from ambient to 1000 °C in order to evaluate the co-combustion behaviour. Results showed that the thermal degradation of all samples can be divided into three regions (drying, devolatilisation, char oxidation) with different combustion properties, depending on the percentage of PR. Significant interaction was detected between the fuels, and reactivity of 2PH and 3PH was improved upon blending with PR. The iso-conversional methods, Ozawa-Flynn–Wall and Vyazovkin, were employed for the kinetic analysis of the oxidation process. The results revealed that the activation energy of PR was higher than the one of 2PH and 3PH, and the minimum value was obtained for 25PR752PH sample.

ACS Style

C. Buratti; S. Mousavi; M. Barbanera; E. Lascaro; F. Cotana; M. Bufacchi. Thermal behaviour and kinetic study of the olive oil production chain residues and their mixtures during co-combustion. Bioresource Technology 2016, 214, 266 -275.

AMA Style

C. Buratti, S. Mousavi, M. Barbanera, E. Lascaro, F. Cotana, M. Bufacchi. Thermal behaviour and kinetic study of the olive oil production chain residues and their mixtures during co-combustion. Bioresource Technology. 2016; 214 ():266-275.

Chicago/Turabian Style

C. Buratti; S. Mousavi; M. Barbanera; E. Lascaro; F. Cotana; M. Bufacchi. 2016. "Thermal behaviour and kinetic study of the olive oil production chain residues and their mixtures during co-combustion." Bioresource Technology 214, no. : 266-275.

Research article
Published: 24 November 2015 in PLOS ONE
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Finding efficient analytical techniques is overwhelmingly turning into a bottleneck for the effectiveness of large biological data. Machine learning offers a novel and powerful tool to advance classification and modeling solutions in molecular biology. However, these methods have been less frequently used with empirical population genetics data. In this study, we developed a new combined approach of data analysis using microsatellite marker data from our previous studies of olive populations using machine learning algorithms. Herein, 267 olive accessions of various origins including 21 reference cultivars, 132 local ecotypes, and 37 wild olive specimens from the Iranian plateau, together with 77 of the most represented Mediterranean varieties were investigated using a finely selected panel of 11 microsatellite markers. We organized data in two ‘4-targeted’ and ‘16-targeted’ experiments. A strategy of assaying different machine based analyses (i.e. data cleaning, feature selection, and machine learning classification) was devised to identify the most informative loci and the most diagnostic alleles to represent the population and the geography of each olive accession. These analyses revealed microsatellite markers with the highest differentiating capacity and proved efficiency for our method of clustering olive accessions to reflect upon their regions of origin. A distinguished highlight of this study was the discovery of the best combination of markers for better differentiating of populations via machine learning models, which can be exploited to distinguish among other biological populations.

ACS Style

Bahareh Torkzaban; Amir Hossein Kayvanjoo; Arman Ardalan; Soraya Mousavi; Roberto Mariotti; Luciana Baldoni; Esmaeil Ebrahimie; Mansour Ebrahimi; Mehdi Hosseini-Mazinani. Machine Learning Based Classification of Microsatellite Variation: An Effective Approach for Phylogeographic Characterization of Olive Populations. PLOS ONE 2015, 10, e0143465 .

AMA Style

Bahareh Torkzaban, Amir Hossein Kayvanjoo, Arman Ardalan, Soraya Mousavi, Roberto Mariotti, Luciana Baldoni, Esmaeil Ebrahimie, Mansour Ebrahimi, Mehdi Hosseini-Mazinani. Machine Learning Based Classification of Microsatellite Variation: An Effective Approach for Phylogeographic Characterization of Olive Populations. PLOS ONE. 2015; 10 (11):e0143465.

Chicago/Turabian Style

Bahareh Torkzaban; Amir Hossein Kayvanjoo; Arman Ardalan; Soraya Mousavi; Roberto Mariotti; Luciana Baldoni; Esmaeil Ebrahimie; Mansour Ebrahimi; Mehdi Hosseini-Mazinani. 2015. "Machine Learning Based Classification of Microsatellite Variation: An Effective Approach for Phylogeographic Characterization of Olive Populations." PLOS ONE 10, no. 11: e0143465.

Journal article
Published: 23 January 2014 in Genetic Resources and Crop Evolution
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Unidentified olive plants naturally grow in the Golestan province of Iran, on different soils and under climates spanning from sub-temperate to desert conditions, represented by single trees or groups of few trees. We collected samples from representative sites and analyzed them by simple sequence repeat markers in order to determine their identity and their relationships to prominent Iranian and Mediterranean reference cultivars. Population structure analysis separated these ecotypes from Mediterranean and, surprisingly, from all Iranian cultivars, the parentage test excluded their direct contribution as candidate parents or offspring of cultivars, and they also showed a high level of admixture. Their differentiation from cultivated olives may be attributed to different factors: they could represent wild plants or could derive from natural dissemination of ancestral cultivated trees. Their survival up to now may be due to the fact that most of them are grown on sacred sites such as necropolis. Anyhow, the adaptation to strong environmental stresses, and their fruit size and oil content make the olive Golestan ecotypes a valuable source of genetic variation previously uncharacterized and currently threatened with extinction.

ACS Style

Soraya Mousavi; Mehdi Hosseini Mazinani; Kazem Arzani; Abbas Ydollahi; Saverio Pandolfi; Luciana Baldoni; Roberto Mariotti. Molecular and morphological characterization of Golestan (Iran) olive ecotypes provides evidence for the presence of promising genotypes. Genetic Resources and Crop Evolution 2014, 61, 775 -785.

AMA Style

Soraya Mousavi, Mehdi Hosseini Mazinani, Kazem Arzani, Abbas Ydollahi, Saverio Pandolfi, Luciana Baldoni, Roberto Mariotti. Molecular and morphological characterization of Golestan (Iran) olive ecotypes provides evidence for the presence of promising genotypes. Genetic Resources and Crop Evolution. 2014; 61 (4):775-785.

Chicago/Turabian Style

Soraya Mousavi; Mehdi Hosseini Mazinani; Kazem Arzani; Abbas Ydollahi; Saverio Pandolfi; Luciana Baldoni; Roberto Mariotti. 2014. "Molecular and morphological characterization of Golestan (Iran) olive ecotypes provides evidence for the presence of promising genotypes." Genetic Resources and Crop Evolution 61, no. 4: 775-785.

Journal article
Published: 01 October 2008 in Acta Horticulturae
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ACS Style

K. Arzani; S. Mousavi. CHILLING REQUIREMENT OF SOME ASIAN PEAR (PYRUS SEROTINA REHD.) CULTIVARS GROWN UNDER TEHRAN ENVIRONMENTAL CONDITIONS. Acta Horticulturae 2008, 339 -342.

AMA Style

K. Arzani, S. Mousavi. CHILLING REQUIREMENT OF SOME ASIAN PEAR (PYRUS SEROTINA REHD.) CULTIVARS GROWN UNDER TEHRAN ENVIRONMENTAL CONDITIONS. Acta Horticulturae. 2008; (800):339-342.

Chicago/Turabian Style

K. Arzani; S. Mousavi. 2008. "CHILLING REQUIREMENT OF SOME ASIAN PEAR (PYRUS SEROTINA REHD.) CULTIVARS GROWN UNDER TEHRAN ENVIRONMENTAL CONDITIONS." Acta Horticulturae , no. 800: 339-342.