The role of epiphytic populations in pathogenesis of the genus Xanthomonas bacteria

Global climate warming and involvement of new regions with endemic populations of microorganisms in commercial seed production have led to an increase in the diversity of phytopathogenic bacteria that are affecting major crops, including the fruit trees. As a rule, emergence of new pathogens is asso...

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Bibliographic Details
Published in:BIO web of conferences 2020, Vol.23, p.3010
Main Authors: Kyrova, Elena I., Dzhalilov, Fevzi S., Ignatov, Alexander N.
Format: Article
Language:English
Subjects:
Bacteria
Climate change
Cultivation
Fruit trees
Gene transfer
Global warming
Horizontal transfer
Importation
Microorganisms
New species
Pathogenesis
Phylogeny
Plant species introduction
Populations
Seeds
Xanthomonas
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Summary:Global climate warming and involvement of new regions with endemic populations of microorganisms in commercial seed production have led to an increase in the diversity of phytopathogenic bacteria that are affecting major crops, including the fruit trees. As a rule, emergence of new pathogens is associated with importation of infected seeds and planting material, cultivation of new species and varieties of plants, and expansion of agricultural trade with foreign countries. One of the leaders in diversity among phytopathogens is the genus Xanthomonas bacteria, affecting more than 400 plant species. Among the characteristic signs of xanthomonads is the high frequency of horizontal gene transfer both within the genus and between phylogenetically removed bacterial taxa – up to 25% of the genes are of this origin. In this paper, we consider another source of increasing the number of phytopathogenic species – by the epiphytic populations. These bacteria are the likely ancestral form of the phytopathogenic bacteria of the genus Xanthomonas .
ISSN:2117-4458
2273-1709
2117-4458
DOI:10.1051/bioconf/20202303010