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Xanthomonas spp. encompass a wide range of plant pathogens that use numerous virulence factors for pathogenicity and fitness in plant hosts. In this Review, we examine recent insights into host-pathogen co-evolution, diversity in Xanthomonas populations and host specificity of Xanthomonas spp. that have substantially improved our fundamental understanding of pathogen biology. We emphasize the virulence factors in xanthomonads, such as type III secreted effectors including transcription activator-like effectors, type II secretion systems, diversity resulting in host specificity, evolution of emerging strains, activation of susceptibility genes and strategies of host evasion. We summarize the genomic diversity in several Xanthomonas spp. and implications for disease outbreaks, management strategies and breeding for disease resistance.


Sujan Timilsina, Neha Potnis, Eric A Newberry, Prabha Liyanapathiranage, Fernanda Iruegas-Bocardo, Frank F White, Erica M Goss, Jeffrey B Jones. Xanthomonas diversity, virulence and plant-pathogen interactions. Nature reviews. Microbiology. 2020 Aug;18(8):415-427

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PMID: 32346148

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