Xylella fastidiosa: an examination of a re-emerging plant pathogen

Text - scientific article/review article


Xylella fastidiosa is a Gram-negative bacterial plant pathogen with an extremely wide host range. This species has recently been resolved into subspecies that correlate with host specificity. This review focuses on the status of X. fastidiosa pathogenic associations in plant hosts in which the bacterium is either endemic or has been recently introduced. Plant diseases associated with X. fastidiosa have been documented for over a century, and much about what is known in the context of host-pathogen interactions is based on these hosts, such as grape and citrus, in which this pathogen has been well described. Recent attention has focused on newly emerging X. fastidiosa diseases, such as in olives.


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University of California Agricultural Experiment Station; California Department of Food and Agriculture [14-014-SA, 15-0218-SA]


  • Citrus sp.
  • Olea europaea
  • Vitis vinifera
  • Xylella fastidiosa


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