Bacteria recently isolated from walnut (Juglans regia L.) buds in Portugal has been identified as a new species of Xanthomonas. Interestingly, this new species, named Xanthomonas euroxanthea, includes both pathogenic and non-pathogenic strains on walnut, constituting a unique model to address the emergence and evolution of pathogenicity in Xanthomonas. This discovery resulted from an international collaboration within the framework of European Cooperation in Science & Technology, COST Action EuroXanth.
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Source: Phys.org