Molecular and Genomic Characterization of the Pseudomonas syringae Phylogroup 4: An Emerging Pathogen of Arabidopsis thaliana and Nicotiana benthamiana

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dc.contributor.authorZavala, D.
dc.contributor.authorFuenzalida, I.
dc.contributor.authorGangas, M.
dc.contributor.authorPeppino Margutti, M.
dc.contributor.authorBartoli, C.
dc.contributor.authorRoux, F.
dc.contributor.authorMeneses, C.
dc.contributor.authorHerrera-Vásquez, A.
dc.contributor.authorBlanco-Herrera, F.
dc.date.accessioned2022-05-18T17:56:23Z
dc.date.available2022-05-18T17:56:23Z
dc.date.issued2022-03
dc.descriptionIndexación: Scopus.es
dc.description.abstractEnvironmental fluctuations such as increased temperature, water availability, and air CO2 concentration triggered by climate change influence plant disease dynamics by affecting hosts, pathogens, and their interactions. Here, we describe a newly discovered Pseudomonas syringae strain found in a natural population of Arabidopsis thaliana collected from the southwest of France. This strain, called Psy RAYR-BL, is highly virulent on natural Arabidopsis accessions, Arabidopsis model accession Columbia 0, and tobacco plants. Despite the severe disease phenotype caused by the Psy RAYR-BL strain, we identified a reduced repertoire of putative Type III virulence effectors by genomic sequencing compared to P. syringae pv tomato (Pst) DC3000. Furthermore, hopBJ1Psy is found exclusively on the Psy RAYR-BL genome but not in the Pst DC3000 genome. The plant expression of HopBJ1Psy induces ROS accumulation and cell death. In addition, HopBJ1Psy participates as a virulence factor in this plant-pathogen interaction, likely explaining the severity of the disease symptoms. This research describes the characterization of a newly discovered plant pathogen strain and possible virulence mechanisms underlying the infection process shaped by natural and changing environmental conditions.es
dc.description.urihttps://www.mdpi.com/2076-2607/10/4/707
dc.identifier.citationMicroorganisms, Volume 10, Issue 4, April 2022, Article number 707es
dc.identifier.doi10.3390/microorganisms10040707
dc.identifier.issn2076-2607
dc.identifier.urihttps://repositorio.unab.cl/xmlui/handle/ria/22579
dc.language.isoenes
dc.publisherMDPIes
dc.rights.licenseAttribution 4.0 International (CC BY 4.0)
dc.rights.urihttps://www.mdpi.com/openaccess
dc.subjectArabidopsis thalianaes
dc.subjectdisease emergencees
dc.subjectHopBJ1es
dc.subjectpathogenic reservoirses
dc.subjectPseudomonas syringaees
dc.subjectT3SSes
dc.subjectvirulence factores
dc.titleMolecular and Genomic Characterization of the Pseudomonas syringae Phylogroup 4: An Emerging Pathogen of Arabidopsis thaliana and Nicotiana benthamianaes
dc.typeArtículoes
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