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Colonization Studies of Clavibacter ...

Peritore, Franklin Christopher.

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Colonization Studies of Clavibacter michiganensis in Fruit and Xylem of Diverse Solanum Species = = Estudios de colonizacion de Clavibacter michiganensis en frutas y xilema de diversas especies de Solanum.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Colonization Studies of Clavibacter michiganensis in Fruit and Xylem of Diverse Solanum Species =/
Reminder of title:	Estudios de colonizacion de Clavibacter michiganensis en frutas y xilema de diversas especies de Solanum.
Author:	Peritore, Franklin Christopher.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
Description:	322 p.
Notes:	Source: Dissertations Abstracts International, Volume: 81-12, Section: B.
Contained By:	Dissertations Abstracts International81-12B.
Subject:	Plant pathology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=27960208
ISBN:	9798645499648

Colonization Studies of Clavibacter michiganensis in Fruit and Xylem of Diverse Solanum Species = = Estudios de colonizacion de Clavibacter michiganensis en frutas y xilema de diversas especies de Solanum.
Peritore, Franklin Christopher.

Colonization Studies of Clavibacter michiganensis in Fruit and Xylem of Diverse Solanum Species =Estudios de colonizacion de Clavibacter michiganensis en frutas y xilema de diversas especies de Solanum. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 322 p.

Source: Dissertations Abstracts International, Volume: 81-12, Section: B.

Thesis (Ph.D.)--Cornell University, 2020.

This item must not be sold to any third party vendors.

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.

ISBN: 9798645499648Subjects--Topical Terms:

3174872
Plant pathology.
Subjects--Index Terms:

Bacterial canker

Colonization Studies of Clavibacter michiganensis in Fruit and Xylem of Diverse Solanum Species = = Estudios de colonizacion de Clavibacter michiganensis en frutas y xilema de diversas especies de Solanum.
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100 1 $a Peritore, Franklin Christopher. $3 3547511
245 1 0 $a Colonization Studies of Clavibacter michiganensis in Fruit and Xylem of Diverse Solanum Species = $b Estudios de colonizacion de Clavibacter michiganensis en frutas y xilema de diversas especies de Solanum.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2020
300 $a 322 p.
500 $a Source: Dissertations Abstracts International, Volume: 81-12, Section: B.
500 $a Advisor: Smart, Christine.
502 $a Thesis (Ph.D.)--Cornell University, 2020.
506 $a This item must not be sold to any third party vendors.
506 $a This item must not be added to any third party search indexes.
520 $a 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.
520 $a Cancro bacteriano es una de las peores enfermedades del jitomate en el mundo y es causada por el patogeno Gram-positivo, Clavibacter michiganensis. El patogeno es dispersado por semillas contaminadas, y coloniza el xilema de la planta donde puede causar marchitamiento unilateral de la hoja, cancros en el tallo, hojas quemadas por los bordes y muerte de la planta. Agua salpicada que contiene el patogeno puede propagar la infeccion al exterior de las frutas, causando lesiones de ojo de pajaro que son pequenas lesiones necroticas rodeadas por un halo blanco. El patogeno puede contaminar semillas sistematicamente a traves del xilema, o desde el exterior de la fruta. No existen variedades resistentes al cancro bacteriano, y la eficacia de los productos a base de cobre es limitada cuando el patogeno ya esta en el xilema. Esta disertacion describe diferencias en colonizacion del patogeno en el xilema y las frutas de especies de Solanum que son tolerantes o susceptibles, y demuestra que C. michiganensis esta impedida en propagacion sistematica e intravascular en el xilema, y es capaz de producir sintomas de ojo de pajaro en las frutas de los jitomates silvestres. Determinamos el tamano en que las frutas de S. lycopersicum inoculadas con C. michiganensis y dos otras bacterias fitopatogenicas comienzan a exponer lesiones, cuando alcanzan un pico de susceptibilidad, y cuando cesan de exponer lesiones en jitomates naturales y mutantes impedidos en procesos de maduracion y produccion y percepcion de etileno. Cambios en composicion quimica de sabia de xilema de la especie susceptible, S. lycopersicum, y la especie tolerante, S. habrochaites, durante infeccion con C. michiganensis fue determinada usando metabolomica no dirigida. Finalmente, generamos un proteoma de alta resolucion de celulas precipitadas y el sobrenadante de C. michiganensis que fue usado para refinar el genoma de referencia de la bacteria. Juntos estos datos nos da una comprension mas profunda de colonizacion de C. michiganensis en tejidos diversos del huesped, y tambien reacciones del huesped que pueden contribuir al desarrollo de los sintomas de cancro bacteriano.
590 $a School code: 0058.
650 4 $a Plant pathology. $3 3174872
650 4 $a Microbiology. $3 536250
653 $a Bacterial canker
653 $a Clavibacter michiganensis
653 $a Colonization
653 $a Gram-positive
653 $a Plant pathology
653 $a Tomato
690 $a 0480
690 $a 0410
710 2 $a Cornell University. $b Plant Pathology and Plant-Microbe Biology. $3 3434790
773 0 $t Dissertations Abstracts International $g 81-12B.
790 $a 0058
791 $a Ph.D.
792 $a 2020
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=27960208