Loake, Gary and Grant, Murray (2007) Salicylic acid in plant defence—the players and protagonists. Current Opinion in Plant Biology, 10 (5). pp. 466-472. doi:10.1016/j.pbi.2007.08.008 ISSN 1369-5266.

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Abstract

Salicylic acid (SA) is synthesised by plants in response to challenge by a diverse range of phytopathogens and is essential to the establishment of both local and systemic-acquired resistance (SAR). SA application induces accumulation of pathogenesis-related (PR) proteins. Mutations leading to either reduced SA production or impaired SA perception enhance susceptibility to avirulent and virulent pathogens. However, our knowledge of the primary signalling components activating SA biosynthesis and linking to PR proteins accumulation is rudimentary. We review progress towards characterising key players (NPR1, MPK4) and processes (methylation, amino acid conjugation, S-nitrosylation) contributing to SA-signalling and perception pathways. Further, we examine emerging data on how pathogens have evolved strategies (e.g. ABA modulation and coronatine production) to suppress SA-mediated plant defence.

Item Type:	Journal Article
Divisions:	Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- )
Journal or Publication Title:	Current Opinion in Plant Biology
Publisher:	Elsevier Ltd.
ISSN:	1369-5266
Official Date:	2007
Dates:	Date Event 2007 Published
Volume:	10
Number:	5
Page Range:	pp. 466-472
DOI:	10.1016/j.pbi.2007.08.008
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

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