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Prof. Andrea Luvisi
University of Salento

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0 Grapevine
0 Plant Pathology
0 RFID Applications
0 Plant Virology
0 plant and pathogen interaction

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Grapevine
Plant Pathology
plant and pathogen interaction
RFID Applications

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Journal article
Published: 05 August 2021 in Sustainability
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The Apulian Region (Italy) is a socio-ecological system shaped by the millennial co-evolution between human actions and ecological processes. It is characterized by monumental olive groves protected from Regional Law 14/2007 for the cultural value of the landscape, currently threatened by the spread of a devastating phytopathogen, the bacteria Xylella fastidiosa. The aim of this paper is to apply landscape resilience analysis focusing on ecosystem services to understand the potential effects and trade-offs of regeneration policies in a peri-urban area characterized by monumental olive groves land cover. The study involved land-cover and land-use analysis, supported by a survey on the inhabitants and an ecosystem services analysis. The results showed a mismatch between the agroecosystem and the social and economic use linked to leisure or hospitality. The study area was defined as a peri-urban landscape characterized by tourist use. From the interviews of the users, the cultural heritage of olive groves seems linked to the presence of olive trees like a status quo of the landscape and olive oil productions. The culture aspect could thus be preserved by changing the type of olive trees. In addition, the analysis showed that the microclimate could be preserved and enhanced in terms of air temperature and thermal comfort, by replacing the olive trees with varieties resistant to Xylella, such as cv. Leccino. Therefore, regeneration policies that promote replacing dead olive groves with new olive trees could be efficient to stimulate social components of the landscape and improve the resilience of ecosystem services in peri-urban areas in the interest of the cultural heritage of the users and benefits that they provide. An ecosystem services analysis at a local scale could be a strategy for an integrated regenerate approach between land-use and land-cover with social, ecological, and economic evolutions vision orientated to a sustainable and desirable future.

ACS Style

Teodoro Semeraro; Elisa Gatto; Riccardo Buccolieri; Valentina Catanzaro; Luigi De Bellis; Lorenzo Cotrozzi; Giacomo Lorenzini; Marzia Vergine; Andrea Luvisi. How Ecosystem Services Can Strengthen the Regeneration Policies for Monumental Olive Groves Destroyed by Xylella fastidiosa Bacterium in a Peri-Urban Area. Sustainability 2021, 13, 8778 .

AMA Style

Teodoro Semeraro, Elisa Gatto, Riccardo Buccolieri, Valentina Catanzaro, Luigi De Bellis, Lorenzo Cotrozzi, Giacomo Lorenzini, Marzia Vergine, Andrea Luvisi. How Ecosystem Services Can Strengthen the Regeneration Policies for Monumental Olive Groves Destroyed by Xylella fastidiosa Bacterium in a Peri-Urban Area. Sustainability. 2021; 13 (16):8778.

Chicago/Turabian Style

Teodoro Semeraro; Elisa Gatto; Riccardo Buccolieri; Valentina Catanzaro; Luigi De Bellis; Lorenzo Cotrozzi; Giacomo Lorenzini; Marzia Vergine; Andrea Luvisi. 2021. "How Ecosystem Services Can Strengthen the Regeneration Policies for Monumental Olive Groves Destroyed by Xylella fastidiosa Bacterium in a Peri-Urban Area." Sustainability 13, no. 16: 8778.

Journal article
Published: 08 July 2021 in International Journal of Molecular Sciences
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Cadmium is a heavy metal that can be easily accumulated in durum wheat kernels and enter the human food chain. Two near-isogenic lines (NILs) with contrasting cadmium accumulation in grains, High-Cd or Low-Cd (H-Cd NIL and L-Cd NIL, respectively), were used to understand the Cd accumulation and transport mechanisms in durum wheat roots. Plants were cultivated in hydroponic solution, and cadmium concentrations in roots, shoots and grains were quantified. To evaluate the molecular mechanism activated in the two NILs, the transcriptomes of roots were analyzed. The observed response is complex and involves many genes and molecular mechanisms. We found that the gene sequences of two basic helix–loop–helix (bHLH) transcription factors (bHLH29 and bHLH38) differ between the two genotypes. In addition, the transporter Heavy Metal Tolerance 1 (HMT-1) is expressed only in the low-Cd genotype and many peroxidase genes are up-regulated only in the L-Cd NIL, suggesting ROS scavenging and root lignification as active responses to cadmium presence. Finally, we hypothesize that some aquaporins could enhance the Cd translocation from roots to shoots. The response to cadmium in durum wheat is therefore extremely complex and involves transcription factors, chelators, heavy metal transporters, peroxidases and aquaporins. All these new findings could help to elucidate the cadmium tolerance in wheat and address future breeding programs.

ACS Style

Erika Sabella; Andrea Luvisi; Alessandra Genga; Luigi De Bellis; Alessio Aprile. Molecular Responses to Cadmium Exposure in Two Contrasting Durum Wheat Genotypes. International Journal of Molecular Sciences 2021, 22, 7343 .

AMA Style

Erika Sabella, Andrea Luvisi, Alessandra Genga, Luigi De Bellis, Alessio Aprile. Molecular Responses to Cadmium Exposure in Two Contrasting Durum Wheat Genotypes. International Journal of Molecular Sciences. 2021; 22 (14):7343.

Chicago/Turabian Style

Erika Sabella; Andrea Luvisi; Alessandra Genga; Luigi De Bellis; Alessio Aprile. 2021. "Molecular Responses to Cadmium Exposure in Two Contrasting Durum Wheat Genotypes." International Journal of Molecular Sciences 22, no. 14: 7343.

Extended abstract
Published: 16 April 2021 in Engineering Proceedings
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Phytopathological adversities are often attributable to human activities (as a consequence of the globalization of trade or tourism mass, changes in common agricultural practices and climate change), resulting in food losses due to pathogens such as fungi, bacteria, viruses, etc. For this reason, we are developing lab-on-chip devices as diagnostic tools to identify and manage phytopathological problems caused by infectious agents capable of spreading in agro-ecosystems, such as the Xylella fastidiosa epidemic in Puglia [1] or other bacteriosis and virosis such as Grapevine leafroll-associated virus 3 (GLRaV-3).

ACS Style

Ilaria Buja; Erika Sabella; Anna Grazia Monteduro; Maria Serena Chiriacò; Silvia Rizzato; Luigi De Bellis; Andrea Luvisi; Giuseppe Maruccio. Lab-on-Chip Platform for On-Field Analysis of Grapevine Leafroll-Associated Virus 3. Engineering Proceedings 2021, 4, 16 .

AMA Style

Ilaria Buja, Erika Sabella, Anna Grazia Monteduro, Maria Serena Chiriacò, Silvia Rizzato, Luigi De Bellis, Andrea Luvisi, Giuseppe Maruccio. Lab-on-Chip Platform for On-Field Analysis of Grapevine Leafroll-Associated Virus 3. Engineering Proceedings. 2021; 4 (1):16.

Chicago/Turabian Style

Ilaria Buja; Erika Sabella; Anna Grazia Monteduro; Maria Serena Chiriacò; Silvia Rizzato; Luigi De Bellis; Andrea Luvisi; Giuseppe Maruccio. 2021. "Lab-on-Chip Platform for On-Field Analysis of Grapevine Leafroll-Associated Virus 3." Engineering Proceedings 4, no. 1: 16.

Review
Published: 18 March 2021 in Sensors
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Human activities significantly contribute to worldwide spread of phytopathological adversities. Pathogen-related food losses are today responsible for a reduction in quantity and quality of yield and decrease value and financial returns. As a result, “early detection” in combination with “fast, accurate, and cheap” diagnostics have also become the new mantra in plant pathology, especially for emerging diseases or challenging pathogens that spread thanks to asymptomatic individuals with subtle initial symptoms but are then difficult to face. Furthermore, in a globalized market sensitive to epidemics, innovative tools suitable for field-use represent the new frontier with respect to diagnostic laboratories, ensuring that the instruments and techniques used are suitable for the operational contexts. In this framework, portable systems and interconnection with Internet of Things (IoT) play a pivotal role. Here we review innovative diagnostic methods based on nanotechnologies and new perspectives concerning information and communication technology (ICT) in agriculture, resulting in an improvement in agricultural and rural development and in the ability to revolutionize the concept of “preventive actions”, making the difference in fighting against phytopathogens, all over the world.

ACS Style

Ilaria Buja; Erika Sabella; Anna Monteduro; Maria Chiriacò; Luigi De Bellis; Andrea Luvisi; Giuseppe Maruccio. Advances in Plant Disease Detection and Monitoring: From Traditional Assays to In-Field Diagnostics. Sensors 2021, 21, 2129 .

AMA Style

Ilaria Buja, Erika Sabella, Anna Monteduro, Maria Chiriacò, Luigi De Bellis, Andrea Luvisi, Giuseppe Maruccio. Advances in Plant Disease Detection and Monitoring: From Traditional Assays to In-Field Diagnostics. Sensors. 2021; 21 (6):2129.

Chicago/Turabian Style

Ilaria Buja; Erika Sabella; Anna Monteduro; Maria Chiriacò; Luigi De Bellis; Andrea Luvisi; Giuseppe Maruccio. 2021. "Advances in Plant Disease Detection and Monitoring: From Traditional Assays to In-Field Diagnostics." Sensors 21, no. 6: 2129.

Review
Published: 13 February 2021 in Plants
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Fruit quality is certainly influenced by biotic and abiotic factors, and a main quality attribute is the external appearance of the fruit. Various possible agronomical approaches are able to regulate the fruit microenvironment and, consequently, improve fruit quality and market value. Among these, fruit bagging has recently become an integral part of fruits’ domestic and export markets in countries such as Japan, China, Korea Australia and the USA because it is a safe and eco-friendly technique to protect fruits from multiple stresses, preserving or improving the overall quality. Despite increasing global importance, the development of suitable bagging materials and, above all, their use in the field is quite laborious, so that serious efforts are required to enhance and standardize bagging material according to the need of the crops/fruits. This review provides information about the effects of bagging technique on the fruit aspect and texture, which are the main determinants of consumer choice.

ACS Style

Muhammad Ali; Raheel Anwar; Ahmed Yousef; Binqi Li; Andrea Luvisi; Luigi Bellis; Alessio Aprile; Faxing Chen. Influence of Bagging on the Development and Quality of Fruits. Plants 2021, 10, 358 .

AMA Style

Muhammad Ali, Raheel Anwar, Ahmed Yousef, Binqi Li, Andrea Luvisi, Luigi Bellis, Alessio Aprile, Faxing Chen. Influence of Bagging on the Development and Quality of Fruits. Plants. 2021; 10 (2):358.

Chicago/Turabian Style

Muhammad Ali; Raheel Anwar; Ahmed Yousef; Binqi Li; Andrea Luvisi; Luigi Bellis; Alessio Aprile; Faxing Chen. 2021. "Influence of Bagging on the Development and Quality of Fruits." Plants 10, no. 2: 358.

Journal article
Published: 21 November 2020 in Pathogens
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Grapevine Bois noir (BN) is associated with infection by “Candidatus Phytoplasma solani” (CaPsol). In this study, an array of CaPsol strains was identified from 142 symptomatic grapevines in vineyards of northern, central, and southern Italy and North Macedonia. Molecular typing of the CaPsol strains was carried out by analysis of genes encoding 16S rRNA and translation elongation factor EF-Tu, as well as eight other previously uncharacterized genomic fragments. Strains of tuf-type a and b were found to be differentially distributed in the examined geographic regions in correlation with the prevalence of nettle and bindweed. Two sequence variants were identified in each of the four genomic segments harboring hlyC, cbiQ-glyA, trxA-truB-rsuA, and rplS-tyrS-csdB, respectively. Fifteen CaPsol lineages were identified based on distinct combinations of sequence variations within these genetic loci. Each CaPsol lineage exhibited a unique collective restriction fragment length polymorphism (RFLP) pattern and differed from each other in geographic distribution, probably in relation to the diverse ecological complexity of vineyards and their surroundings. This RFLP-based typing method could be a useful tool for investigating the ecology of CaPsol and the epidemiology of its associated diseases. Phylogenetic analyses highlighted that the sequence variants of the gene hlyC, which encodes a hemolysin III-like protein, separated into two clusters consistent with the separation of two distinct lineages on the basis of tufB gene sequences. Alignments of deduced full protein sequences of elongation factor-Tu (tufB gene) and hemolysin III-like protein (hlyC gene) revealed the presence of critical amino acid substitutions distinguishing CaPsol strains of tuf-type a and b. Findings from the present study provide new insights into the genetic diversity and ecology of CaPsol populations in vineyards.

ACS Style

Alessandro Passera; Yan Zhao; Sergio Murolo; Roberto Pierro; Emilija Arsov; Nicola Mori; Abdelhameed Moussa; Maria R. Silletti; Paola Casati; Alessandra Panattoni; Wei Wei; Sasa Mitrev; Alberto Materazzi; Andrea Luvisi; Gianfranco Romanazzi; Piero A. Bianco; Robert E. Davis; Fabio Quaglino. Multilocus Genotyping Reveals New Molecular Markers for Differentiating Distinct Genetic Lineages among “Candidatus Phytoplasma Solani” Strains Associated with Grapevine Bois Noir. Pathogens 2020, 9, 970 .

AMA Style

Alessandro Passera, Yan Zhao, Sergio Murolo, Roberto Pierro, Emilija Arsov, Nicola Mori, Abdelhameed Moussa, Maria R. Silletti, Paola Casati, Alessandra Panattoni, Wei Wei, Sasa Mitrev, Alberto Materazzi, Andrea Luvisi, Gianfranco Romanazzi, Piero A. Bianco, Robert E. Davis, Fabio Quaglino. Multilocus Genotyping Reveals New Molecular Markers for Differentiating Distinct Genetic Lineages among “Candidatus Phytoplasma Solani” Strains Associated with Grapevine Bois Noir. Pathogens. 2020; 9 (11):970.

Chicago/Turabian Style

Alessandro Passera; Yan Zhao; Sergio Murolo; Roberto Pierro; Emilija Arsov; Nicola Mori; Abdelhameed Moussa; Maria R. Silletti; Paola Casati; Alessandra Panattoni; Wei Wei; Sasa Mitrev; Alberto Materazzi; Andrea Luvisi; Gianfranco Romanazzi; Piero A. Bianco; Robert E. Davis; Fabio Quaglino. 2020. "Multilocus Genotyping Reveals New Molecular Markers for Differentiating Distinct Genetic Lineages among “Candidatus Phytoplasma Solani” Strains Associated with Grapevine Bois Noir." Pathogens 9, no. 11: 970.

Brief research report article
Published: 15 September 2020 in Frontiers in Environmental Science
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The worldwide increase in urban and industrial areas represents a challenge for urban green management, pollutant mitigation and environmental monitoring. We propose an analysis approach for the spatial and spatial-temporal distribution of pollutants in the environment through dendrochemistry techniques, in order to gauge the value of this discipline in urban ecosystem. The proposed analysis models can be useful to evaluate significant changes in space and time related to economic activities and to describe the “impacts” of adopted strategies, as demonstrated in the case study of the opening or closure of factories, and therefore to describe the cause-effect relation connected with human activities. Trees represent a key factor for urban planning, providing a wide variety of ecosystem services including in-depth environmental monitoring, which is one of the main elements to be included in a high quality urban design. The proposed approach aims at suggesting the dendrochemistry as a novel and feasible tool definable as a cost-saving ecosystem service in the urban context.

ACS Style

Teodoro Semeraro; Andrea Luvisi; Luigi De Bellis; Roberta Aretano; Sandro Sacchelli; Gherardo Chirici; Marco Marchetti; Claudia Cocozza. Dendrochemistry: Ecosystem Services Perspectives for Urban Biomonitoring. Frontiers in Environmental Science 2020, 8, 1 .

AMA Style

Teodoro Semeraro, Andrea Luvisi, Luigi De Bellis, Roberta Aretano, Sandro Sacchelli, Gherardo Chirici, Marco Marchetti, Claudia Cocozza. Dendrochemistry: Ecosystem Services Perspectives for Urban Biomonitoring. Frontiers in Environmental Science. 2020; 8 ():1.

Chicago/Turabian Style

Teodoro Semeraro; Andrea Luvisi; Luigi De Bellis; Roberta Aretano; Sandro Sacchelli; Gherardo Chirici; Marco Marchetti; Claudia Cocozza. 2020. "Dendrochemistry: Ecosystem Services Perspectives for Urban Biomonitoring." Frontiers in Environmental Science 8, no. : 1.

Review
Published: 20 August 2020 in Pathogens
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During their evolutionary history, plants have evolved the ability to synthesize and accumulate small molecules known as secondary metabolites. These compounds are not essential in the primary cell functions but play a significant role in the plants’ adaptation to environmental changes and in overcoming stress. Their high concentrations may contribute to the resistance of the plants to the bacterium Xylella fastidiosa, which has recently re-emerged as a plant pathogen of global importance. Although it is established in several areas globally and is considered one of the most dangerous plant pathogens, no cure has been developed due to the lack of effective bactericides and the difficulties in accessing the xylem vessels where the pathogen grows and produces cell aggregates and biofilm. This review highlights the role of secondary metabolites in the defense of the main economic hosts of X. fastidiosa and identifies how knowledge about biosynthetic pathways could improve our understanding of disease resistance. In addition, current developments in non-invasive techniques and strategies of combining molecular and physiological techniques are examined, in an attempt to identify new metabolic engineering options for plant defense.

ACS Style

Marzia Vergine; Francesca Nicolì; Erika Sabella; Alessio Aprile; Luigi De Bellis; Andrea Luvisi. Secondary Metabolites in Xylella fastidiosa—Plant Interaction. Pathogens 2020, 9, 675 .

AMA Style

Marzia Vergine, Francesca Nicolì, Erika Sabella, Alessio Aprile, Luigi De Bellis, Andrea Luvisi. Secondary Metabolites in Xylella fastidiosa—Plant Interaction. Pathogens. 2020; 9 (9):675.

Chicago/Turabian Style

Marzia Vergine; Francesca Nicolì; Erika Sabella; Alessio Aprile; Luigi De Bellis; Andrea Luvisi. 2020. "Secondary Metabolites in Xylella fastidiosa—Plant Interaction." Pathogens 9, no. 9: 675.

Journal article
Published: 24 July 2020 in Tree Physiology
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Xylella fastidiosa (Xf) Wells, Raju et al., 1986 is a bacterium that causes plant diseases in the Americas. In Europe, it was first detected on the Salento Peninsula (Italy), where it was found to be associated with the olive quick decline syndrome. Here, we present the results of the first tree-ring study of infected and uninfected olive trees (Olea europaea L.) of two different cultivars, one resistant and one susceptible, to establish the effects induced by the spread of the pathogen inside the tree. Changes in wood anatomical characteristics, such as an increase in the number of vessels and in ring width, were observed in the infected plants of both the cultivars Cellina di Nardò (susceptible to Xf infection) and Leccino (resistant to Xf infection). Thus, whether infection affects the mortality of the tree or not, the tree shows a reaction to it. The presence of occlusions was detected in the wood of both 4-year-old branches and the tree stem core. As expected, the percentage of occluded vessels in the Xf-susceptible cultivar Cellina di Nardò was significantly higher than in the Xf-resistant cultivar Leccino. The δ 18O of the 4-year-old branches was significantly higher in infected trees of both cultivars than in noninfected trees, while no variations in δ 13C were observed. This suggests a reduction in leaf transpiration rates during infection and seems to be related to the occlusions observed in rings of the 4-year-old branches. Such occlusions can determine effects at leaf level that could influence stomatal activity. On the other hand, the significant increase in the number of vessels in infected trees could be related to the tree’s attempt to enhance water conductivity in response to the pathogen-induced vessel occlusions.

ACS Style

Erika Sabella; Samuele Moretti; Holger Gärtner; Andrea Luvisi; Luigi De Bellis; Marzia Vergine; Matthias Saurer; Paolo Cherubini. Increase in ring width, vessel number and δ18O in olive trees infected with Xylella fastidiosa. Tree Physiology 2020, 40, 1583 -1594.

AMA Style

Erika Sabella, Samuele Moretti, Holger Gärtner, Andrea Luvisi, Luigi De Bellis, Marzia Vergine, Matthias Saurer, Paolo Cherubini. Increase in ring width, vessel number and δ18O in olive trees infected with Xylella fastidiosa. Tree Physiology. 2020; 40 (11):1583-1594.

Chicago/Turabian Style

Erika Sabella; Samuele Moretti; Holger Gärtner; Andrea Luvisi; Luigi De Bellis; Marzia Vergine; Matthias Saurer; Paolo Cherubini. 2020. "Increase in ring width, vessel number and δ18O in olive trees infected with Xylella fastidiosa." Tree Physiology 40, no. 11: 1583-1594.

Review
Published: 12 July 2020 in Biology
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After the discovery in 1967 of plant glyoxysomes, aconitase, one the five enzymes involved in the glyoxylate cycle, was thought to be present in the organelles, and although this was found not to be the case around 25 years ago, it is still suggested in some textbooks and recent scientific articles. Genetic research (including the study of mutants and transcriptomic analysis) is becoming increasingly important in plant biology, so metabolic pathways must be presented correctly to avoid misinterpretation and the dissemination of bad science. The focus of our study is therefore aconitase, from its first localization inside the glyoxysomes to its relocation. We also examine data concerning the role of the enzyme malate dehydrogenase in the glyoxylate cycle and data of the expression of aconitase genes in Arabidopsis and other selected higher plants. We then propose a new model concerning the interaction between glyoxysomes, mitochondria and cytosol in cotyledons or endosperm during the germination of oil-rich seeds.

ACS Style

Luigi De Bellis; Andrea Luvisi; Amedeo Alpi. Aconitase: To Be or not to Be Inside Plant Glyoxysomes, That Is the Question. Biology 2020, 9, 162 .

AMA Style

Luigi De Bellis, Andrea Luvisi, Amedeo Alpi. Aconitase: To Be or not to Be Inside Plant Glyoxysomes, That Is the Question. Biology. 2020; 9 (7):162.

Chicago/Turabian Style

Luigi De Bellis; Andrea Luvisi; Amedeo Alpi. 2020. "Aconitase: To Be or not to Be Inside Plant Glyoxysomes, That Is the Question." Biology 9, no. 7: 162.

Journal article
Published: 03 June 2020 in Agronomy
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Climate change will inevitably affect agriculture. Simulations of the effects of climate change on the agronomic performance (plant height, biomass dry weight, number of spikes, grain weight, harvest index, and 1000-kernel weight) of nine durum wheat cultivars were performed to identify the genotypes that will have a greater yield potential over the next 50 years. Plants were grown in two Fitotron® CGR crop growth chambers: “room 2020” designed to reproduce the current climatic conditions (control) and “room 2070”, designed to simulate the expected climate for the year 2070 in the RCP8.5 scenario (800 ppm, elevated [CO2], and a temperature increase of 2.5 °C). The plant life cycle was clearly shorter in “room 2070” due to the physiological strategy of the plant to escape the high summer temperatures through early ripening of the kernels. Again, in “room 2070”, the modern cultivars Rusticano, San Carlo, and Simeto and the old cultivar Cappelli increased the grain yield. Surprisingly, Cappelli seemed to be particularly suitable for cultivation in an environment rich in atmospheric CO2 and under high temperature stress, since it produced a grain yield that was approximately three times higher than the other varieties.

ACS Style

Erika Sabella; Alessio Aprile; Carmine Negro; Francesca Nicolì; Eliana Nutricati; Marzia Vergine; Andrea Luvisi; Luigi De Bellis. Impact of Climate Change on Durum Wheat Yield. Agronomy 2020, 10, 793 .

AMA Style

Erika Sabella, Alessio Aprile, Carmine Negro, Francesca Nicolì, Eliana Nutricati, Marzia Vergine, Andrea Luvisi, Luigi De Bellis. Impact of Climate Change on Durum Wheat Yield. Agronomy. 2020; 10 (6):793.

Chicago/Turabian Style

Erika Sabella; Alessio Aprile; Carmine Negro; Francesca Nicolì; Eliana Nutricati; Marzia Vergine; Andrea Luvisi; Luigi De Bellis. 2020. "Impact of Climate Change on Durum Wheat Yield." Agronomy 10, no. 6: 793.

Journal article
Published: 01 June 2020 in Acta Horticulturae
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ACS Style

Y. Ampatzidis; A. Cruz; R. Pierro; A. Materazzi; A. Panattoni; L. De Bellis; Andrea Luvisi. Vision-based system for detecting grapevine yellow diseases using artificial intelligence. Acta Horticulturae 2020, 225 -230.

AMA Style

Y. Ampatzidis, A. Cruz, R. Pierro, A. Materazzi, A. Panattoni, L. De Bellis, Andrea Luvisi. Vision-based system for detecting grapevine yellow diseases using artificial intelligence. Acta Horticulturae. 2020; (1279):225-230.

Chicago/Turabian Style

Y. Ampatzidis; A. Cruz; R. Pierro; A. Materazzi; A. Panattoni; L. De Bellis; Andrea Luvisi. 2020. "Vision-based system for detecting grapevine yellow diseases using artificial intelligence." Acta Horticulturae , no. 1279: 225-230.

Journal article
Published: 07 April 2020 in Pathogens
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Bois noir (BN), associated with ‘Candidatus Phytoplasma solani’ (CaPsol), is the most widespread disease of the grapevine yellows complex worldwide. In this work, BN epidemiology was investigated in a case study vineyard where an unusual CaPsol strain, previously detected only in other host plants, was found to be prevalent in grapevine. Experimental activities included: symptom observation; sampling of symptomatic vines, Auchenorrhyncha specimens, and weeds; molecular detection and typing of CaPsol strains; statistical analyses for determining possible relationships between CaPsol relative concentration, strain type, and symptom severity. Among insects, Reptalus quinquecostatus was the most abundant and was found to be highly infected by CaPsol, while Hyalesthes obsoletus, the main CaPsol vector, was not caught. Moreover, R. quinquecostatus harbored CaPsol strains carrying uniquely the stamp sequence variant St10, also identified as prevalent in vines and in the majority of weeds, and all the secY variants identified in the vineyard. Statistical analyses revealed that CaPsol strains carrying the St10 variant are not associated with severe symptoms, suggesting their possible moderate virulence. Based on such evidence, a new BN epidemiological pattern related to these CaPsol strains and involving grapevine, R. quinquecostatus, and/or weeds is proposed. Furthermore, the possible presence of other players (vectors and weeds) involved in CaPsol transmission to grapevines was highlighted.

ACS Style

Roberto Pierro; Alessandra Panattoni; Alessandro Passera; Alberto Materazzi; Andrea Luvisi; Augusto Loni; Marco Ginanni; Andrea Lucchi; Piero Attilio Bianco; Fabio Quaglino. Proposal of A New Bois Noir Epidemiological Pattern Related to ‘Candidatus Phytoplasma Solani’ Strains Characterized by A Possible Moderate Virulence in Tuscany. Pathogens 2020, 9, 268 .

AMA Style

Roberto Pierro, Alessandra Panattoni, Alessandro Passera, Alberto Materazzi, Andrea Luvisi, Augusto Loni, Marco Ginanni, Andrea Lucchi, Piero Attilio Bianco, Fabio Quaglino. Proposal of A New Bois Noir Epidemiological Pattern Related to ‘Candidatus Phytoplasma Solani’ Strains Characterized by A Possible Moderate Virulence in Tuscany. Pathogens. 2020; 9 (4):268.

Chicago/Turabian Style

Roberto Pierro; Alessandra Panattoni; Alessandro Passera; Alberto Materazzi; Andrea Luvisi; Augusto Loni; Marco Ginanni; Andrea Lucchi; Piero Attilio Bianco; Fabio Quaglino. 2020. "Proposal of A New Bois Noir Epidemiological Pattern Related to ‘Candidatus Phytoplasma Solani’ Strains Characterized by A Possible Moderate Virulence in Tuscany." Pathogens 9, no. 4: 268.

Journal article
Published: 07 April 2020 in Pathogens
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Bois noir is a disease associated with the presence of phytoplasma ‘Candidatus Phytoplasma solani’ belonging to the Stolbur group (subgroup 16SrXII-A), which has a heavy economic impact on grapevines. This study focused on the changes induced by phytoplasma in terms of the profile and amount of secondary metabolites synthesized in the phenylpropanoid pathway in leaves of Vitis vinifera L. red-berried cultivar Sangiovese. Metabolic alterations were assessed according to the disease progression through measurements of soluble sugars, chlorophyll, and phenolic compounds produced by plant hosts, in response to disease on symptomatic and asymptomatic Bois noir-positive plants. Significant differences were revealed in the amount of soluble sugars, chlorophyll, and accumulation/reduction of some compounds synthesized in the phenylpropanoid pathway of Bois noir-positive and negative grapevine leaves. Our results showed a marked increase in phenolic and flavonoid production and a parallel decrease in lignin content in Bois noir-positive compared to negative leaves. Interestingly, some parameters (chlorophyll a, soluble sugars, total phenolic or flavonoids content, proanthocyanidins, quercetin) differed between Bois noir-positive and negative leaves regardless of symptoms, indicating measurable biochemical changes in asymptomatic leaves. Our grapevine cultivar Sangiovese results highlighted an extensive modulation of the phenylpropanoid biosynthetic pathway as a defense mechanism activated by the host plant in response to Bois noir disease.

ACS Style

Carmine Negro; Erika Sabella; Francesca Nicolì; Roberto Pierro; Alberto Materazzi; Alessandra Panattoni; Alessio Aprile; Eliana Nutricati; Marzia Vergine; Antonio Miceli; Luigi De Bellis; Andrea Luvisi. Biochemical Changes in Leaves of Vitis vinifera cv. Sangiovese Infected by Bois Noir Phytoplasma. Pathogens 2020, 9, 269 .

AMA Style

Carmine Negro, Erika Sabella, Francesca Nicolì, Roberto Pierro, Alberto Materazzi, Alessandra Panattoni, Alessio Aprile, Eliana Nutricati, Marzia Vergine, Antonio Miceli, Luigi De Bellis, Andrea Luvisi. Biochemical Changes in Leaves of Vitis vinifera cv. Sangiovese Infected by Bois Noir Phytoplasma. Pathogens. 2020; 9 (4):269.

Chicago/Turabian Style

Carmine Negro; Erika Sabella; Francesca Nicolì; Roberto Pierro; Alberto Materazzi; Alessandra Panattoni; Alessio Aprile; Eliana Nutricati; Marzia Vergine; Antonio Miceli; Luigi De Bellis; Andrea Luvisi. 2020. "Biochemical Changes in Leaves of Vitis vinifera cv. Sangiovese Infected by Bois Noir Phytoplasma." Pathogens 9, no. 4: 269.

Journal article
Published: 12 March 2020 in Remote Sensing
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Forests are important in sequestering CO2 and therefore play a significant role in climate change. However, the CO2 cycle is conditioned by drought events that alter the rate of photosynthesis, which is the principal physiological action of plants in transforming CO2 into biological energy. This study applied recurrence quantification analysis (RQA) to describe the evolution of photosynthesis-related indices to highlight disturbance alterations produced by the Atlantic Multidecadal Oscillation (AMO, years 2005 and 2010) and the El Niño-Southern Oscillation (ENSO, year 2015) in the Amazon forest. The analysis was carried out using Moderate Resolution Imaging Spectroradiometer (MODIS) images to build time series of the enhanced vegetation index (EVI), the normalized difference water index (NDWI), and the land surface temperature (LST) covering the period 2001–2018. The results did not show significant variations produced by AMO throughout the study area, while a disruption due to the global warming phase linked to the extreme ENSO event occurred, and the forest was able to recover. In addition, spatial differences in the response of the forest to the ENSO event were found. These findings show that the application of RQA to the time series of vegetation indices supports the evaluation of the forest ecosystem response to disruptive events. This approach provides information on the capacity of the forest to recover after a disruptive event and, therefore is useful to estimate the resilience of this particular ecosystem.

ACS Style

Teodoro Semeraro; Andrea Luvisi; Antonio O. Lillo; Roberta Aretano; Riccardo Buccolieri; Norbert Marwan. Recurrence Analysis of Vegetation Indices for Highlighting the Ecosystem Response to Drought Events: An Application to the Amazon Forest. Remote Sensing 2020, 12, 907 .

AMA Style

Teodoro Semeraro, Andrea Luvisi, Antonio O. Lillo, Roberta Aretano, Riccardo Buccolieri, Norbert Marwan. Recurrence Analysis of Vegetation Indices for Highlighting the Ecosystem Response to Drought Events: An Application to the Amazon Forest. Remote Sensing. 2020; 12 (6):907.

Chicago/Turabian Style

Teodoro Semeraro; Andrea Luvisi; Antonio O. Lillo; Roberta Aretano; Riccardo Buccolieri; Norbert Marwan. 2020. "Recurrence Analysis of Vegetation Indices for Highlighting the Ecosystem Response to Drought Events: An Application to the Amazon Forest." Remote Sensing 12, no. 6: 907.

Journal article
Published: 31 December 2019 in Pathogens
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Xylella fastidiosa is a highly virulent pathogen that causes Olive Quick Decline Syndrome (OQDS), which is currently devastating olive plantations in the Salento region (Apulia, Southern Italy). We explored the microbiome associated with X. fastidiosa-infected (Xf-infected) and -uninfected (Xf-uninfected) olive trees in Salento, to assess the level of dysbiosis and to get first insights into the potential role of microbial endophytes in protecting the host from the disease. The resistant cultivar “Leccino” was compared to the susceptible cultivar “Cellina di Nardò”, in order to identify microbial taxa and parameters potentially involved in resistance mechanisms. Metabarcoding of 16S rRNA genes and fungal ITS2 was used to characterize both total and endophytic microbiota in olive branches and leaves. “Cellina di Nardò” showed a drastic dysbiosis after X. fastidiosa infection, while “Leccino” (both infected and uninfected) maintained a similar microbiota. The genus Pseudomonas dominated all “Leccino” and Xf-uninfected “Cellina di Nardò” trees, whereas Ammoniphilus prevailed in Xf-infected “Cellina di Nardò”. Diversity of microbiota in Xf-uninfected “Leccino” was higher than in Xf-uninfected “Cellina di Nardò”. Several bacterial taxa specifically associated with “Leccino” showed potential interactions with X. fastidiosa. The maintenance of a healthy microbiota with higher diversity and the presence of cultivar-specific microbes might support the resistance of “Leccino” to X. fastidiosa. Such beneficial bacteria might be isolated in the future for biological treatment of the OQDS.

ACS Style

Marzia Vergine; Joana B. Meyer; Massimiliano Cardinale; Erika Sabella; Martin Hartmann; Paolo Cherubini; Luigi De Bellis; Andrea Luvisi. The Xylella fastidiosa-Resistant Olive Cultivar “Leccino” Has Stable Endophytic Microbiota during the Olive Quick Decline Syndrome (OQDS). Pathogens 2019, 9, 35 .

AMA Style

Marzia Vergine, Joana B. Meyer, Massimiliano Cardinale, Erika Sabella, Martin Hartmann, Paolo Cherubini, Luigi De Bellis, Andrea Luvisi. The Xylella fastidiosa-Resistant Olive Cultivar “Leccino” Has Stable Endophytic Microbiota during the Olive Quick Decline Syndrome (OQDS). Pathogens. 2019; 9 (1):35.

Chicago/Turabian Style

Marzia Vergine; Joana B. Meyer; Massimiliano Cardinale; Erika Sabella; Martin Hartmann; Paolo Cherubini; Luigi De Bellis; Andrea Luvisi. 2019. "The Xylella fastidiosa-Resistant Olive Cultivar “Leccino” Has Stable Endophytic Microbiota during the Olive Quick Decline Syndrome (OQDS)." Pathogens 9, no. 1: 35.

Journal article
Published: 24 November 2019 in International Journal of Molecular Sciences
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Cadmium (Cd) and lead (Pb) are two toxic heavy metals (HMs) whose presence in soil is generally low. However, industrial and agricultural activities in recent years have significantly raised their levels, causing progressive accumulations in plant edible tissues, and stimulating research in this field. Studies on toxic metals are commonly focused on a single metal, but toxic metals occur simultaneously. The understanding of the mechanisms of interaction between HMs during uptake is important to design agronomic or genetic strategies to limit contamination of crops. To study the single and combined effect of Cd and Pb on durum wheat, a hydroponic experiment was established to examine the accumulation of the two HMs. Moreover, the molecular mechanisms activated in the roots were investigated paying attention to transcription factors (bHLH family), heavy metal transporters and genes involved in the biosynthesis of metal chelators (nicotianamine and mugineic acid). Cd and Pb are accumulated following different molecular strategies by durum wheat plants, even if the two metals interact with each other influencing their respective uptake and translocation. Finally, we demonstrated that some genes (bHLH 29, YSL2, ZIF1, ZIFL1, ZIFL2, NAS2 and NAAT) were induced in the durum wheat roots only in response to Cd.

ACS Style

Alessio Aprile; Erika Sabella; Enrico Francia; Justyna Milc; Domenico Ronga; Nicola Pecchioni; Erika Ferrari; Andrea Luvisi; Marzia Vergine; Luigi De Bellis. Combined Effect of Cadmium and Lead on Durum Wheat. International Journal of Molecular Sciences 2019, 20, 5891 .

AMA Style

Alessio Aprile, Erika Sabella, Enrico Francia, Justyna Milc, Domenico Ronga, Nicola Pecchioni, Erika Ferrari, Andrea Luvisi, Marzia Vergine, Luigi De Bellis. Combined Effect of Cadmium and Lead on Durum Wheat. International Journal of Molecular Sciences. 2019; 20 (23):5891.

Chicago/Turabian Style

Alessio Aprile; Erika Sabella; Enrico Francia; Justyna Milc; Domenico Ronga; Nicola Pecchioni; Erika Ferrari; Andrea Luvisi; Marzia Vergine; Luigi De Bellis. 2019. "Combined Effect of Cadmium and Lead on Durum Wheat." International Journal of Molecular Sciences 20, no. 23: 5891.

Journal article
Published: 23 October 2019 in Plants
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Due to global climate change, complex combinations of stresses are expected to occur, among which the interaction between pathogens and drought stress may have a significant effect on growth and yield. In this study, the Xylella fastidiosa (Xf)-resistant cultivar Leccino and the susceptible one Cellina di Nardò were subjected to (a) individual drought stress, (b) Xf infection and (c) combination of both stress conditions. Here we report the physiological response to stresses in water content in leaves and the modulation in the expression level of seven genes responsive to plant water status and pathogen infection. In Xf-resistant plants, higher expression levels are reported for genes belonging to ROS-scavenging systems and for genes involved in pathogen stress (pathogenesis-related, PR, and leucine-rich repeat genes, LRR-RLK). However, PR and LRR-RLK were not further induced by water deficit. Interestingly, the genes related to drought response (aquaporin, PIP2.1, dehydration responsive element binding, DREB, and dehydrin, DHN), which induction was higher in Cellina di Nardò compared to Leccino during drought stress, was poorly induced in Xf-susceptible plants when Xf occur. Conversely, DHN was induced by Xf presence in Leccino. These results were consistent with observations on water content. Indeed, response was similar in Leccino regardless kind of stress or combination, whereas a strong reduction was observed in Xf-susceptible plants infected by Xf or in presence of combined stresses. Thus, the reported findings indicate that resistance of Leccino to Xf could be linked to its lower resistance to water stress, probably leading to the activation of alternative defense pathways that support the plant in Xf response.

ACS Style

Mariarosaria De Pascali; Marzia Vergine; Erika Sabella; Alessio Aprile; Eliana Nutricati; Francesca Nicolì; Ilaria Buja; Carmine Negro; Antonio Miceli; Patrizia Rampino; Luigi De Bellis; Andrea Luvisi. Molecular Effects of Xylella fastidiosa and Drought Combined Stress in Olive Trees. Plants 2019, 8, 437 .

AMA Style

Mariarosaria De Pascali, Marzia Vergine, Erika Sabella, Alessio Aprile, Eliana Nutricati, Francesca Nicolì, Ilaria Buja, Carmine Negro, Antonio Miceli, Patrizia Rampino, Luigi De Bellis, Andrea Luvisi. Molecular Effects of Xylella fastidiosa and Drought Combined Stress in Olive Trees. Plants. 2019; 8 (11):437.

Chicago/Turabian Style

Mariarosaria De Pascali; Marzia Vergine; Erika Sabella; Alessio Aprile; Eliana Nutricati; Francesca Nicolì; Ilaria Buja; Carmine Negro; Antonio Miceli; Patrizia Rampino; Luigi De Bellis; Andrea Luvisi. 2019. "Molecular Effects of Xylella fastidiosa and Drought Combined Stress in Olive Trees." Plants 8, no. 11: 437.

Review article
Published: 11 September 2019 in Frontiers in Plant Science
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Grapevine is largely cultivated in several parts of the world, and a spurt in its cultivation has occurred in the last two decades in grapevine cultivated areas of South and East Asia, mainly in China, India, Japan, Korea, Thailand, and Indonesia. Grapevine yellows (GY) represent one of the most important diseases in viticultural areas of the world, and they have been assigned to five different groups: aster yellows [AY (16SrI)], peanut witches’ broom [PnWB (16SrII)], X-disease (16SrIII), elm yellows [EY (16SrV)], and Stolbur (16SrXII). This study provides a comprehensive overview of the presence of phytoplasma strains and their vectors associated with GY complex, and their potential impact on viticulture of the South and East Asia. In general, both AY and EY were reported on several herbaceous plants and/or cultivated plants in South and East Asia, along with its vectors that were largely reported in China and sporadically in Japan. Interestingly, AY and EY are yet not found in South and East Asia grapevine regions; however, their presence on different plant species suggests the potential spread of the pathogens that may occur in grapevine regions in the near future. Additionally, a few reports also suggest the presence of Stolbur group in Asian countries, along with one study that found a Stolbur-related strain in China on Vitis vinifera. Similarly, PnWB was also frequently reported in India and China on several plant species, but not in grapes. Conversely, sporadic detections of phytoplasma strains related to X-disease in Thailand, South Korea, and China indicate that their potential influence in viticulture is rather negligible. Our review suggests that monitoring and control strategies against GY are essential in order to prevent epidemic phytoplasma spread, especially in vine-allocated areas in Asia.

ACS Style

Roberto Pierro; Teodoro Semeraro; Andrea Luvisi; Harsh Garg; Marzia Vergine; Luigi De Bellis; Harsimran K. Gill. The Distribution of Phytoplasmas in South and East Asia: An Emerging Threat to Grapevine Cultivation. Frontiers in Plant Science 2019, 10, 1 .

AMA Style

Roberto Pierro, Teodoro Semeraro, Andrea Luvisi, Harsh Garg, Marzia Vergine, Luigi De Bellis, Harsimran K. Gill. The Distribution of Phytoplasmas in South and East Asia: An Emerging Threat to Grapevine Cultivation. Frontiers in Plant Science. 2019; 10 ():1.

Chicago/Turabian Style

Roberto Pierro; Teodoro Semeraro; Andrea Luvisi; Harsh Garg; Marzia Vergine; Luigi De Bellis; Harsimran K. Gill. 2019. "The Distribution of Phytoplasmas in South and East Asia: An Emerging Threat to Grapevine Cultivation." Frontiers in Plant Science 10, no. : 1.

Journal article
Published: 24 July 2019 in International Journal of Environmental Research and Public Health
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This paper is devoted to the analysis of the impact of changes in olive urban forests affected by Xylella fastidiosa on ecosystem services. The focus is on microclimate and thermal comfort evaluated by two indices: the temperature of equivalent perception (TEP) and the predicted mean vote (PMV), which take into account both microclimate parameters and personal factors (heat resistance of clothing and human activity). The work has been carried out through (i) a qualitative analysis of the potential ecosystem services changes caused by temporary transition from olive groves to uncultivated soil, (ii) a study of the potential change of land use from monumental olive groves to other types of use, and (iii) a quantitative analysis on microclimate impact due to the loss of ecosystem services in two selected neighborhoods located in the Apulia region and chosen due to their proximity to the urban context. The analysis revealed that (i) direct effects on ecosystem services are principally linked with regulation functions and cultural services, (ii) a critical loss of cultural value of monumental olive groves occurred in the two neighborhoods, (iii) such a loss may lead to an increase of TEP and PMV, indicating a decrease of thermal comfort in the whole neighborhoods. Thus, it is necessary to plan the replanting policies of the use of the areas affected by X. fastidiosa not only in terms of agricultural planning but also in terms of landscape, urban planning, and human well-being.

ACS Style

Teodoro Semeraro; Elisa Gatto; Riccardo Buccolieri; Marzia Vergine; Zhi Gao; Luigi De Bellis; Andrea Luvisi. Changes in Olive Urban Forests Infected by Xylella fastidiosa: Impact on Microclimate and Social Health. International Journal of Environmental Research and Public Health 2019, 16, 2642 .

AMA Style

Teodoro Semeraro, Elisa Gatto, Riccardo Buccolieri, Marzia Vergine, Zhi Gao, Luigi De Bellis, Andrea Luvisi. Changes in Olive Urban Forests Infected by Xylella fastidiosa: Impact on Microclimate and Social Health. International Journal of Environmental Research and Public Health. 2019; 16 (15):2642.

Chicago/Turabian Style

Teodoro Semeraro; Elisa Gatto; Riccardo Buccolieri; Marzia Vergine; Zhi Gao; Luigi De Bellis; Andrea Luvisi. 2019. "Changes in Olive Urban Forests Infected by Xylella fastidiosa: Impact on Microclimate and Social Health." International Journal of Environmental Research and Public Health 16, no. 15: 2642.