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Comparative genomicsand pathogenicitypotential of membersof the Pseudomonassyringae speciescomplex on Prunus spp Michela RuinelliJochen BlomTheo H. M. Smits2019 год

Comparative genomics and pathogenicity potential of members of the Pseudomonas syringae species complex on Prunus spp
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Аннотация: Diseases on Prunus spp. have been associated with a large number of phylogenetically different pathovars and species within the P. syringae species complex. Despite their economic significance, there is a severe lack of genomic information of these pathogens. The high phylogenetic diversity observed within strains causing disease on Prunus spp. in nature, raised the question whether other strains or species within the P. syringae species complex were potentially pathogenic on Prunus spp. To gain insight into the genomic potential of adaptation and virulence in Prunus spp., a total of twelve de novo whole genome sequences of P. syringae pathovars and species found in association with diseases on cherry (sweet, sour and ornamental-cherry) and peach were sequenced. Strains sequenced in this study covered three phylogroups and four clades. These strains were screened in vitro for pathogenicity on Prunus spp. together with additional genome sequenced strains thus covering nine out of thirteen of the currently defined P. syringae phylogroups. Pathogenicity tests revealed that most of the strains caused symptoms in vitro and no obvious link was found between presence of known virulence factors and the observed pathogenicity pattern based on comparative genomics. Non-pathogenic strains were displaying a two to three times higher generation time when grown in rich medium. In this study, the first set of complete genomes of cherry associated P. syringae strains as well as the draft genome of the quarantine peach pathogen P. syringae pv. persicae were generated. The obtained genomic data were matched with phenotypic data in order to determine factors related to pathogenicity to Prunus spp. Results of this study suggest that the inability to cause disease on Prunus spp. in vitro is not the result of host specialization but rather linked to metabolic impairments of individual strains.
Год издания: 2019
Авторы: Michela Ruinelli, Jochen Blom, Theo H. M. Smits, Joël F. Pothier
Издательство: BioMed Central
Источник: BMC Genomics
Ключевые слова: Plant Pathogenic Bacteria Studies, Plant-Microbe Interactions and Immunity, Plant Pathogens and Fungal Diseases
Другие ссылки: BMC Genomics (PDF)
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DOAJ (DOAJ: Directory of Open Access Journals) (HTML)
Europe PMC (PubMed Central) (PDF)
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Zürcher Hochschule für Angewandte Wissenschaften digital collection (Zurich University of Applied Sciences) (PDF)
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PubMed Central (HTML)
PubMed (HTML)