J Integr Plant Biol. ›› 2007, Vol. 49 ›› Issue (1): 105-111.DOI: 10.1111/j.1744-7909.2006.00409.x

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Endless Hide-and-Seek: Dynamic Co-evolution in Plant-Bacterium Warfare

Libo Shan, Ping He and Jen Sheen   

  • Published:2007-01-01


Plants possess innate immune systems to prevent most potential infections. The ancient and conserved innate immune responses are triggered by microbe-associated molecular patterns (MAMPs) and play important roles in broad-spectrum defenses. However, successful bacterial pathogens evolved type III virulence effectors to suppress MAMP-mediated immunity. To survive, plants further developed highly specific resistance (R) genes to trigger gene-for-gene-mediated immunity and turn the virulent pathogens into avirulent ones. We summarize here the very recent advances in this dynamic coevolution of plant-bacterium interaction.Author for correspondence. Tel: +1 617 643 3314; E-mail: shan@molbio.mgh.harvard.edu

Key words: MAMP, type III effector, gene-for-gene resistance.

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