TolC is required for pathogenicity of Xylella fastidiosa in Vitis vinifera grapevines.

TolC is required for pathogenicity of Xylella fastidiosa in Vitis vinifera grapevines. Research Abstract Details 

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TolC is required for pathogenicity of Xylella fastidiosa in Vitis vinifera grapevines. Abstract Text:

Joseph D Reddy,Stephanie L Reddy,Don L Hopkins,Dean W Gabriel,

Xylella fastidiosa infects a wide range of hosts and causes serious diseases on some of them. The complete genomic sequences of both a citrus variegated chlorosis (CVC) and a Pierce's disease (PD) strain revealed two type I protein secretion plus two multidrug resistance efflux systems, and all evidently were dependent on a single tolC homolog. Marker exchange mutagenesis of the single tolC gene in PD strain Temecula resulted in a total loss of pathogenicity on grape. Importantly, the tolC- mutant strains were not recovered after inoculation into grape xylem, strongly indicating that multidrug efflux is critical to survival of this fastidious pathogen. Both survival and pathogenicity were restored by complementation using tolC cloned in shuttle vector pBBR1MCS-5, which was shown to replicate autonomously, without selection, for 60 days in Temecula growing in planta. These results also demonstrate the ability to complement mutations in X. fastidiosa.

TolC is required for pathogenicity of Xylella fastidiosa in Vitis vinifera grapevines. Publishing Authors By Initials

JD Reddy,SL Reddy,DL Hopkins,DW Gabriel,

For similar plants: plant components: xylem research abstracts see: plants: plant components: xylem research

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TolC is required for pathogenicity of Xylella fastidiosa in Vitis vinifera grapevines. Journal Published:

PUBLICATION TYPE: Research Support, U.S. Gov't,

Journal: Molecular plant-microbe interactions : MPMI

VOLUME: 20

Page Numbers: 403-10

Journal Abbreviation:

ISSN: 0894-0282

DAY: 28

MONTH: Apr

YEAR: 2007

TolC is required for pathogenicity of Xylella fastidiosa in Vitis vinifera grapevines. Information

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LANGUAGE: eng

NlmUniqueID: 9107902

TolC is required for pathogenicity of Xylella fastidiosa in Vitis vinifera grapevines. Keywords Mesh Terms:

KEYWORDS: Xylem

MESH TERMS: microbiology

Chemical & Substance for Abstract: TolC is required for pathogenicity of Xylella fastidiosa in Vitis vinifera grapevines. Information

Substance Name: silwet L-77

Registry Number: 0

Grant and Affiliation Information for TolC is required for pathogenicity of Xylella fastidiosa in Vitis vinifera grapevines.

AFFILIATION: Department of Plant Pathology, University of Florida, Gainesville 32601, USA.

Country: United States

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MEDLINETA: Mol Plant Microbe Interact

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