UNSPECIFIED (2006) Trafficking arms: oomycete effectors enter host plant cells. TRENDS IN MICROBIOLOGY, 14 (1). pp. 8-11. ISSN 0966-842X

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Abstract

Oomycetes cause devastating plant diseases of global importance, yet little is known about the molecular basis of their pathogenicity. Recently, the first oomycete effector genes with cultivar-specific avirulence (AVR) functions were identified. Evidence of diversifying selection in these genes and their cognate plant host resistance genes suggests a molecular 'arms race' as plants and oomycetes attempt to achieve and evade detection, respectively. AVR proteins from Hyaloperonospora parasitica and Phytophthora infestans are detected in the plant host cytoplasm, consistent with the hypothesis that oomycetes, as is the case with bacteria and fungi, actively deliver effectors inside host cells. The RXLR amino acid motif, which is present in these AVR proteins and other secreted oomycete proteins, is similar to a host-cell-targeting signal in virulence proteins of malaria parasites (Plasmodium species), suggesting a conserved role in pathogenicity.

Item Type:	Journal Item
Subjects:	Q Science > QD Chemistry Q Science > QR Microbiology
Journal or Publication Title:	TRENDS IN MICROBIOLOGY
Publisher:	ELSEVIER SCIENCE LONDON
ISSN:	0966-842X
Date:	January 2006
Volume:	14
Number:	1
Number of Pages:	4
Page Range:	pp. 8-11
Identification Number:	10.1016/j.tim.2005.11.007
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/33918

Data sourced from Thomson Reuters' Web of Knowledge

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