NO way to live: the various roles of nitric oxide in plant-pathogen interactions

Luis A. J. Mur, Timothy L. W. Carver, Elena Prats

Research output: Contribution to journalArticlepeer-review

182 Citations (SciVal)


Nitric oxide has attracted considerable interest from plant pathologists due its established role in regulating mammalian anti-microbial defences, particularly via programmed cell death (PCD). Although NO plays a major role in plant PCD elicited in response to certain types of pathogenic challenge, the race-specific hypersensitive response (HR), it is now evident that NO also acts in the regulation of non-specific, papilla-based resistance to penetration by plant cells that survive attack and, possibly, in systemic acquired resistance. Equally, the potential roles of NO signalling/scavenging within the pathogen are being recognized. This review will consider key defensive roles played by NO in living cells during plant–pathogen interactions, as well as in those undergoing PCD.
Original languageEnglish
Pages (from-to)489-505
Number of pages17
JournalJournal of Experimental Botany
Issue number3
Publication statusPublished - 23 Dec 2006


  • defence
  • hypersensitive response
  • nitric oxide
  • plant-pathogen interactions
  • programmed cell death


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