Deciphering the mode of action and host recognition of bacterial type III effectors

Selena Gimenez-Ibanez, Dagmar R. Hann, John P. Rathjen

    Research output: Contribution to journalArticlepeer-review

    3 Citations (Scopus)


    Plant pathogenic bacteria adhere to cell walls and remain external to the cell throughout the pathogenic lifecycle, where they elicit host immunity through host plasma membrane localised receptors. To be successful pathogens, bacteria must suppress these defence responses, which they do by secreting a suite of virulence effector molecules into the host cytoplasm. However, effectors themselves can act as elicitors after perception by intracellular host immune receptors, thus, re-activating plant immunity. Bacterial effectors generally target host molecules through specific molecular activities to defeat plant defence responses. Although effectors can be used as tools to elucidate components of plant immunity, only a handful of these molecular targets are known and much remains to be learnt about effector strategies for bacterial pathogenicity. This review highlights recent advances in our understanding of the mode of action of bacterial effectors, which in the future will lead to improvements in agriculture.

    Original languageEnglish
    Pages (from-to)926-932
    Number of pages7
    JournalFunctional Plant Biology
    Issue number10
    Publication statusPublished - 2010


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