Colonization Studies of Clavibacter Michiganensis in Fruit and Xylem of Diverse Solanum Species PDF Download
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Author: Franklin Christopher Peritore
Publisher:
ISBN:
Category :
Languages : en
Pages : 321
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Book Description
Bacterial canker of tomato is an economically devastating disease with a worldwide distribution caused by the gram-positive pathogen Clavibacter michiganensis. The seedborne pathogen systemically colonizes the tomato xylem, causing unilateral leaflet wilt, stem and petiole cankers, marginal leaf necrosis, and plant death. Splash dispersal of the bacterium onto fruit exteriors causes bird's-eye lesions, which are characterized as necrotic centers surrounded by white halos. The pathogen can colonize developing seeds systemically through the xylem and through penetration of fruit tissues from the exterior. There are no commercially available resistant tomato cultivars, and copper-based bactericides have limited efficacy for controlling the disease once the pathogen is in the xylem. This dissertation describes differences in pathogen colonization of xylem and fruit between tolerant and susceptible Solanum species, demonstrating that C. michiganensis is impeded in systemic and intravascular spread in the xylem, and is capable of causing bird's-eye lesions on wild tomato fruit. The size at which S. lycopersicum fruit inoculated with C. michiganensis and two additional bacterial pathogens begins developing lesions, peaks in susceptibility, and ceases developing lesions was determined in wildtype and ethylene-responsive mutants. Changes in chemical composition of xylem sap from susceptible S. lycopersicum and tolerant S. habrochaites plants during C. michiganensis infection was determined using untargeted metabolomics. Finally, a high-resolution proteome of C. michiganensis pellets and supernatant samples was generated and used to refine the reference genome. Together, these data provide a deeper understanding of C. michiganensis colonization of diverse host tissues, as well as host responses that may contribute to symptom development.
Author: Franklin Christopher Peritore
Publisher:
ISBN:
Category :
Languages : en
Pages : 321
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Book Description
Bacterial canker of tomato is an economically devastating disease with a worldwide distribution caused by the gram-positive pathogen Clavibacter michiganensis. The seedborne pathogen systemically colonizes the tomato xylem, causing unilateral leaflet wilt, stem and petiole cankers, marginal leaf necrosis, and plant death. Splash dispersal of the bacterium onto fruit exteriors causes bird's-eye lesions, which are characterized as necrotic centers surrounded by white halos. The pathogen can colonize developing seeds systemically through the xylem and through penetration of fruit tissues from the exterior. There are no commercially available resistant tomato cultivars, and copper-based bactericides have limited efficacy for controlling the disease once the pathogen is in the xylem. This dissertation describes differences in pathogen colonization of xylem and fruit between tolerant and susceptible Solanum species, demonstrating that C. michiganensis is impeded in systemic and intravascular spread in the xylem, and is capable of causing bird's-eye lesions on wild tomato fruit. The size at which S. lycopersicum fruit inoculated with C. michiganensis and two additional bacterial pathogens begins developing lesions, peaks in susceptibility, and ceases developing lesions was determined in wildtype and ethylene-responsive mutants. Changes in chemical composition of xylem sap from susceptible S. lycopersicum and tolerant S. habrochaites plants during C. michiganensis infection was determined using untargeted metabolomics. Finally, a high-resolution proteome of C. michiganensis pellets and supernatant samples was generated and used to refine the reference genome. Together, these data provide a deeper understanding of C. michiganensis colonization of diverse host tissues, as well as host responses that may contribute to symptom development.
Author: Mary Katherine Bryan
Publisher:
ISBN:
Category : Tomatoes
Languages : en
Pages : 10
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Book Description
Author: Erwin Frink Smith
Publisher:
ISBN:
Category : Bacteriology
Languages : en
Pages : 374
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Book Description
Author: Bernard R. Glick
Publisher: Springer Nature
ISBN: 303044368X
Category : Science
Languages : en
Pages : 390
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Book Description
This book provides a straightforward and easy-to-understand overview of beneficial plant-bacterial interactions. It features a wealth of unique illustrations to clarify the text, and each chapter includes study questions that highlight the important points, as well as references to key experiments. Since the publication of the first edition of Beneficial Plant-Bacterial Interactions, in 2015, there has been an abundance of new discoveries in this area, and in recent years, scientists around the globe have begun to develop a relatively detailed understanding of many of the mechanisms used by bacteria that facilitate plant growth and development. This knowledge is gradually becoming an integral component of modern agricultural practice, with more and more plant growth-promoting bacterial strains being commercialized and used successfully in countries throughout the world. In addition, as the world’s population continues to grow, the pressure for increased food production will intensify, while at the same time, environmental concerns, mean that environmentally friendly methods of food production will need to replace many traditional agricultural practices such as the use of potentially dangerous chemicals. The book, intended for students, explores the fundamentals of this new paradigm in agriculture, horticulture, and environmental cleanup.
Author: Dominique Blancard
Publisher: CRC Press
ISBN: 1840766360
Category : Science
Languages : en
Pages : 689
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Book Description
Following the successful first edition, this revised and greatly expanded edition Tomato Diseases: Identification, Biology and Control is the definitive work on the diseases and disorders of the tomato. The tomato is the world's most widely produced vegetable. The number of diseases affecting the tomato is enormous: hundreds of bio-aggressors, more
Author: Guillaume Becard
Publisher: Academic Press
ISBN: 0128016205
Category : Science
Languages : en
Pages : 406
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Book Description
How Plants Communicate with Their Biotic Environment addresses how plants perceive the presence of organisms (other plants, microbes, insects and nematodes) living in their proximity, how they manage to be attractive when these organisms are friendly, and how they defend themselves from foes. Specific chapters delve into ecology and defense mechanisms, allelopathy and the role of allelochemicals in plant defense, plant signaling, and plant communication with microbes and animals, including herbivores. In addition, the book presents discussions on communication and its role in plant pollination. This comprehensive resource presents tactics that can be taken from the lab, to the bench, to the forest. - Gathers, under a common general outline, a comprehensive knowledge issued from distinct scientific communities - Combines three life science disciplines, including ecology, evolutionary biology, and molecular biology - Addresses a topical subject as the natural biological processes described represent basic knowledge that help develop low input sustainable agriculture - Written by renowned scientists in their field
Author: Yuri Dyakov
Publisher: Elsevier
ISBN: 0080469337
Category : Science
Languages : en
Pages : 497
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Book Description
This book offers a collection of information on successive steps of molecular 'dialogue' between plants and pathogens. It additionally presents data that reflects intrinsic logic of plant-parasite interactions. New findings discussed include: host and non-host resistance, specific and nonspecific elicitors, elicitors and suppressors, and plant and animal immunity. This book enables the reader to understand how to promote or prevent disease development, and allows them to systematize their own ideas of plant-pathogen interactions.* Offers a more extensive scope of the problem as compared to other books in the market* Presents data to allow consideration of host-parasite relationships in dynamics and reveals interrelations between pathogenicity and resistance factors* Discusses beneficial plant-microbe interactions and practical aspects of molecular investigations of plant-parasite relationships* Compares historical study of common and specific features of plant immunity with animal immunity
Author: E.C. Tjamos
Publisher: Springer Science & Business Media
ISBN: 1475794681
Category : Science
Languages : en
Pages : 446
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Book Description
The papers contained in this book were presented at a NATO Advanced Research Workshop (ARW) held at Cape Sounion, Athens, Greece, 19-24 May, 1991. The twenty-eight more comprehensive papers represent the key subjects of the ARW covered by invited speakers. The thirty-four short papers pre sented in a research format are contributions of those invited to participate in the ARW. There was a total of 70 participants from 21 countries. The objectives of the ARW were as follows: to review current knowledge of biological control of plant diseases and plant parasitic nematodes, with emphasis on mechanisms at the molecular, cellular, organismal, and ecosystem level; to examine and expand on current concepts and synthesize new concepts; to identify and prioritize limitations in the use of biological control for plant diseases and nematodes and the scientific research needed to overcome these limitations; and to develop strategies for biological control through management of resident agents or introduction of natural or modified agents.
Author: Archana Singh
Publisher: Springer
ISBN: 9811073716
Category : Science
Languages : en
Pages : 367
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Book Description
The book offers an integrated overview of plant–pathogen interactions. It discusses all the steps in the pathway, from the microbe–host-cell interface and the plant’s recognition of the microbe to the plant’s defense response and biochemical alterations to achieve tolerance / resistance. It also sheds light on the classes of pathogens (bacteria, fungus and viruses); effector molecules, such as PAMPs; receptor molecules like PRRs and NBS-LRR proteins; signaling components like MAPKs; regulatory molecules, such as phytohormones and miRNA; transcription factors, such as WRKY; defense-related proteins such as PR-proteins; and defensive metabolites like secondary metabolites. In addition, it examines the role of post-genomics, high-throughput technology (transcriptomics and proteomics) in studying pathogen outbreaks causing crop losses in a number of plants. Providing a comprehensive picture of plant-pathogen interaction, the updated information included in this book is valuable for all those involved in crop improvement.
Author: B. Venkateswarlu
Publisher: Springer Science & Business Media
ISBN: 9400722206
Category : Technology & Engineering
Languages : en
Pages : 617
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Book Description
Crops experience an assortment of environmental stresses which include abiotic viz., drought, water logging, salinity, extremes of temperature, high variability in radiation, subtle but perceptible changes in atmospheric gases and biotic viz., insects, birds, other pests, weeds, pathogens (viruses and other microbes). The ability to tolerate or adapt and overwinter by effectively countering these stresses is a very multifaceted phenomenon. In addition, the inability to do so which renders the crops susceptible is again the result of various exogenous and endogenous interactions in the ecosystem. Both biotic and abiotic stresses occur at various stages of plant development and frequently more than one stress concurrently affects the crop. Stresses result in both universal and definite effects on plant growth and development. One of the imposing tasks for the crop researchers globally is to distinguish and to diminish effects of these stress factors on the performance of crop plants, especially with respect to yield and quality of harvested products. This is of special significance in view of the impending climate change, with complex consequences for economically profitable and ecologically and environmentally sound global agriculture. The challenge at the hands of the crop scientist in such a scenario is to promote a competitive and multifunctional agriculture, leading to the production of highly nourishing, healthy and secure food and animal feed as well as raw materials for a wide variety of industrial applications. In order to successfully meet this challenge researchers have to understand the various aspects of these stresses in view of the current development from molecules to ecosystems. The book will focus on broad research areas in relation to these stresses which are in the forefront in contemporary crop stress research.
