The bacterial pathogen Xylella fastidiosa affects the leaf ionome of plant hosts during infection.

Xylella fastidiosa is a plant pathogenic bacterium that lives inside the host xylem vessels, where it forms biofilm believed to be responsible for disrupting the passage of water and nutrients. Here, Nicotiana tabacum was infected with X. fastidiosa, and the spatial and temporal changes in the whole...

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Autores principales:	Leonardo De La Fuente, Jennifer K Parker, Jonathan E Oliver, Shea Granger, Phillip M Brannen, Edzard van Santen, Paul A Cobine
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/581a2259d1744355be982c2f037790df
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spelling	oai:doaj.org-article:581a2259d1744355be982c2f037790df2021-11-18T07:46:37ZThe bacterial pathogen Xylella fastidiosa affects the leaf ionome of plant hosts during infection.1932-620310.1371/journal.pone.0062945https://doaj.org/article/581a2259d1744355be982c2f037790df2013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23667547/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203Xylella fastidiosa is a plant pathogenic bacterium that lives inside the host xylem vessels, where it forms biofilm believed to be responsible for disrupting the passage of water and nutrients. Here, Nicotiana tabacum was infected with X. fastidiosa, and the spatial and temporal changes in the whole-leaf ionome (i.e. the mineral and trace element composition) were measured as the host plant transitioned from healthy to diseased physiological status. The elemental composition of leaves was used as an indicator of the physiological changes in the host at a specific time and relative position during plant development. Bacterial infection was found to cause significant increases in concentrations of calcium prior to the appearance of symptoms and decreases in concentrations of phosphorous after symptoms appeared. Field-collected leaves from multiple varieties of grape, blueberry, and pecan plants grown in different locations over a four-year period in the Southeastern US showed the same alterations in Ca and P. This descriptive ionomics approach characterizes the existence of a mineral element-based response to X. fastidiosa using a model system suitable for further manipulation to uncover additional details of the role of mineral elements during plant-pathogen interactions. This is the first report on the dynamics of changes in the ionome of the host plant throughout the process of infection by a pathogen.Leonardo De La FuenteJennifer K ParkerJonathan E OliverShea GrangerPhillip M BrannenEdzard van SantenPaul A CobinePublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 5, p e62945 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Leonardo De La Fuente Jennifer K Parker Jonathan E Oliver Shea Granger Phillip M Brannen Edzard van Santen Paul A Cobine The bacterial pathogen Xylella fastidiosa affects the leaf ionome of plant hosts during infection.
description	Xylella fastidiosa is a plant pathogenic bacterium that lives inside the host xylem vessels, where it forms biofilm believed to be responsible for disrupting the passage of water and nutrients. Here, Nicotiana tabacum was infected with X. fastidiosa, and the spatial and temporal changes in the whole-leaf ionome (i.e. the mineral and trace element composition) were measured as the host plant transitioned from healthy to diseased physiological status. The elemental composition of leaves was used as an indicator of the physiological changes in the host at a specific time and relative position during plant development. Bacterial infection was found to cause significant increases in concentrations of calcium prior to the appearance of symptoms and decreases in concentrations of phosphorous after symptoms appeared. Field-collected leaves from multiple varieties of grape, blueberry, and pecan plants grown in different locations over a four-year period in the Southeastern US showed the same alterations in Ca and P. This descriptive ionomics approach characterizes the existence of a mineral element-based response to X. fastidiosa using a model system suitable for further manipulation to uncover additional details of the role of mineral elements during plant-pathogen interactions. This is the first report on the dynamics of changes in the ionome of the host plant throughout the process of infection by a pathogen.
format	article
author	Leonardo De La Fuente Jennifer K Parker Jonathan E Oliver Shea Granger Phillip M Brannen Edzard van Santen Paul A Cobine
author_facet	Leonardo De La Fuente Jennifer K Parker Jonathan E Oliver Shea Granger Phillip M Brannen Edzard van Santen Paul A Cobine
author_sort	Leonardo De La Fuente
title	The bacterial pathogen Xylella fastidiosa affects the leaf ionome of plant hosts during infection.
title_short	The bacterial pathogen Xylella fastidiosa affects the leaf ionome of plant hosts during infection.
title_full	The bacterial pathogen Xylella fastidiosa affects the leaf ionome of plant hosts during infection.
title_fullStr	The bacterial pathogen Xylella fastidiosa affects the leaf ionome of plant hosts during infection.
title_full_unstemmed	The bacterial pathogen Xylella fastidiosa affects the leaf ionome of plant hosts during infection.
title_sort	bacterial pathogen xylella fastidiosa affects the leaf ionome of plant hosts during infection.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/581a2259d1744355be982c2f037790df
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The bacterial pathogen Xylella fastidiosa affects the leaf ionome of plant hosts during infection.

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