The Interaction of Natural Variation in a Necrotrophic Fungal Pathogen, Botrytis Cinerea, with Plant Defense in the Arabidopsis Thaliana Model System PDF Download
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Author: Heather Cristina Rowe
Publisher:
ISBN:
Category :
Languages : en
Pages : 488
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Book Description
Author: Heather Cristina Rowe
Publisher:
ISBN:
Category :
Languages : en
Pages : 488
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 304
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Author: Sabine Fillinger
Publisher: Springer
ISBN: 3319233718
Category : Science
Languages : en
Pages : 488
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Book Description
The fungal genus Botrytis is the focus of intensive scientific research worldwide. The complex interactions between this pathogen and the plants it infects and the economic importance of the diseases caused by Botrytis (principally grey mould) on more than 1400 species of cultivated plants pre- and post-harvest, render this pathogen of particular interest to farmers, advisers, students and researchers in many fields worldwide. This 20-chapter book is a comprehensive treatise covering the rapidly developing science of Botrytis and reflecting the major developments in studies of this fungus. It will serve as a source of general information for specialists in agriculture and horticulture, and also for students and scientists interested in the biology of this fascinating, multifaceted phytopathogenic fungal species.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 480
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Author: Dov Prusky
Publisher: Springer Science & Business Media
ISBN: 1402089309
Category : Science
Languages : en
Pages : 212
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Book Description
As a collection of papers that includes material presented at the 2008 International Congress for Plant Pathology, this text features research right at the leading edge of the field. The latest findings are particularly crucial in their implications for fruit production; an important market sector where in some areas up to 50 per cent of the crop can be lost after harvest. While post-harvest fruit treatments with fungicides are the most effective means to reduce decay, rising concerns about toxicity have led to the development of alternative approaches to disease control, including biological methods, the subject of three chapters of this book. With several new techniques requiring modification of current post-harvest practices, it is more important than ever to stay abreast of the latest information. Other chapters deal with the mechanisms of host fruit and vegetable resistance, fungal pathogenicity factors and their relationship with the host response, and a number of subjects related to disease assessments before harvest as well as their relationship to the postharvest treatment of fruits and vegetables. The book also includes several useful case studies of crops such as kiwifruit and peaches, where different approaches at the pre- and post-harvest levels are combined to good effect. With food production issues gaining an ever higher profile internationally, this text makes an important contribution to the debate.
Author: Alain Goossens
Publisher: Humana
ISBN: 9781493960132
Category : Science
Languages : en
Pages : 0
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Book Description
It is now well established that jasmonates, originally identified as the major component of jasmine scent, play a universal role in the plant kingdom and are involved in the regulation of diverse aspects of plant biology, including growth, development, metabolism, and interaction with the environment. In Jasmonate Signaling: Methods and Protocols, experts in the field aim to unite powerful emerging omics platforms with a number of key reductionist approaches to form a comprehensive collection of tools and protocols. The detailed chapters in this book embrace physiological, environmental, molecular, omics, and bioinformatics approaches that allow dissecting jasmonate actions in the model species Arabidopsis thaliana or in other plants. Written in the highly successful Methods in Molecular Biology series format, chapters feature introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, along with tips on troubleshooting and avoiding known pitfalls. Authoritative and cutting-edge, Jasmonate Signaling: Methods and Protocols will empower interested researchers to dissect all steps of jasmonate signaling and the processes they modulate.
Author: Thomas Badet
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
In nature, plant pathogen interactions are frequent but disease is not the most prevalent outcome. Indeed, plants evolved an efficient immune system able to face multiple pathogen attacks. Getting insights into plant microbe interactions at multiple levels will improve our understanding of how plants defend against pathogens and help building sustainable agronomy. Fungal plant pathogens are major threats to food security worldwide. Sclerotinia sclerotiorum is an Ascomycete generalist plant pathogen causing mold diseases on hundreds of plant species. There is no genetic source of complete plant resistance to this generalist pathogen known to date. Instead, natural plant populations show a continuum of resistance levels controlled by multiple genes, a phenotype designated as quantitative disease resistance (QDR). Little is known about the molecular mechanisms controlling the interaction between plants and S. sclerotiorum, and more generally which are the molecular bases underlying QDR in plants. My thesis project consisted in a first part in identifying molecular mechanisms underlying QDR to S. sclerotiorum in natural accessions of the model plant Arabidopsis thaliana. A Genome wide association study (GWAS) allowed me to associate genetic variation with disease resistance to S. sclerotiorum. The analysis pinpointed three genes in A. thaliana genome as putative candidates involved in QDR to S. sclerotiorum. I led the functional characterization of these genes and investigated natural diversity at these loci. The results revealed that a prolyl-oligopeptidase (POQR) and an actin-related protein complex member (ARPC4) are associated with QDR against S. sclerotiorum. The analysis of actin filament networks highlighted their role in response to S. sclerotiorum. Furthermore, I showed that POQR alleles evolved convergently in different plant lineages, suggesting that some QDR molecular mechanisms are conserved across plants. Among fungal parasites, some like S. sclerotiorum are able to infect multiple species while others are restricted to one or few hosts. In the second part of the project, I investigated the properties of S. sclerotiorum genome associated to its ability to infect hundreds of plant species. Theory predicts that generalism comes at a cost and may underlie important fitness trade-offs. At the genome level, some codons (nucleotide triplets) allow more efficient translation than their synonymous. Indeed, the genetic encoding of proteins is redundant with multiple codons specifying the same amino acid. The optimization of codon-usage is a mean to reduce the costs associated with protein production. I analysed codon-usage at the genome level in 45 fungal species to reveal that generalist parasites are highly codon optimized. Moreover, I showed that optimized codons are under purifying selection, suggesting that codon optimization is an adaptation to generalist parasitism in fungi.
Author: Markus Geisler
Publisher: Springer
ISBN: 3319065114
Category : Science
Languages : en
Pages : 333
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Book Description
This book is devoted to the fascinating superfamily of plant ATP-binding cassette (ABC) transporters and their variety of transported substrates. It highlights their exciting biological functions, covering aspects ranging from cellular detoxification, through development, to symbiosis and defense. Moreover, it also includes a number of chapters that center on ABC transporters from non-Arabidopsis species. ABC proteins are ubiquitous, membrane-intrinsic transporters that catalyze the primary (ATP-dependent) movement of their substrates through biological membranes. Initially identified as an essential aspect of a vacuolar detoxification process, genetic work in the last decade has revealed an unexpectedly diverse variety of ABC transporter substrates, which include not only xenobiotic conjugates, but also heavy metals, lipids, terpenoids, lignols, alkaloids and organic acids. The discovery that members of the ABCB and ABCG family are involved in the movement of phytohormones has further sparked their exploration and provided a new understanding of the whole family. Accordingly, the trafficking, regulation and structure-function of ABCB-type auxin transporters are especially emphasized in this book.
Author: Ann E. Hajek
Publisher: Cambridge University Press
ISBN: 9780521653855
Category : Gardening
Languages : en
Pages : 396
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Author: Pradeep Kumar
Publisher: Springer
ISBN: 3319273124
Category : Science
Languages : en
Pages : 471
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Book Description
Plant diseases play an important role on our daily lives. Most of plant diseases are visible and are caused by biotic and/or abiotic factors. Symptoms are usually the results of a morphological change, alteration or damage to plant tissue and/or cells due to an interference of the plant’s metabolism. All basic structures of vascular plants are subject to attack by pathogens. The failure in accurate disease diagnosis and management may lead to huge losses in plant production and related commodities, which causes nutritional food scarcity. Typically, the appearance of a biotic symptom will indicate the relatively late stage of an infection and/or colonization of a pathogen. Expert detection, accurate diagnosis, and timely management play a significant role in keeping plants free from pathogens. In this book expert scholars share their research knowledge and key literature which are vital toward the diagnosis of plant diseases across the globe, addressing traditional plant pathology techniques, as well as advanced molecular diagnostic approach.
