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Plant-associated microbiota as a source of antagonistic bacteria against the phytopathogen Erwinia amylovora

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Plant-associated microbiota as a source of antagonistic bacteria against the phytopathogen Erwinia amylovora

dc.contributor.author	Barbé S
dc.contributor.author	Figàs-Segura À
dc.contributor.author	Benada M
dc.contributor.author	Navarro-Herrero I
dc.contributor.author	Sampaio TM
dc.contributor.author	Biosca EG
dc.contributor.author	Marco-Noales E
dc.date.accessioned	2022-05-03T09:29:35Z
dc.date.available	2022-05-03T09:29:35Z
dc.date.issued	2022
dc.identifier.citation	Barbé S Figàs-Segura À Benada M Navarro-Herrero I Sampaio TM Biosca EG Marco-Noales E 2022 Plant-associated microbiota as a source of antagonistic bacteria against the phytopathogen Erwinia amylovora Environmental Microbiology Reports
dc.identifier.uri	https://hdl.handle.net/10550/82532
dc.description.abstract	Control of bacterial plant diseases is a major concern, as they affect economically important species and spread easily, such as the case of fire blight of rosaceous caused by Erwinia amylovora. In the search for alternatives to the use of agrochemicals and antibiotics, this work presents a screening of natural bacterial antagonists of this relevant and devastating phytopathogen. We recovered bacterial isolates from different plant tissues and geographical origins and then selected those with the strongest ability to reduce fire blight symptoms ex vivo and remarkable in vitro antagonistic activity against E. amylovora. None of them elicited a hypersensitivity reaction in tobacco leaves, most produced several hydrolytic enzymes and presented other biocontrol and/or plant growth-promoting activities, such as siderophore production and phosphate solubilization. These isolates, considered as biocontrol candidates, were identified by 16S rRNA sequencing as Pseudomonas rhizosphaerae, Curtobacterium flaccumfaciens, Enterobacter cancerogenus, Pseudomonas azotoformans, Rosenbergiella epipactidis and Serratia plymuthica. This is the first time that the last five bacterial species are reported to have biocontrol potential against E. amylovora.
dc.relation.ispartof	Environmental Microbiology Reports, 2022
dc.title	Plant-associated microbiota as a source of antagonistic bacteria against the phytopathogen Erwinia amylovora
dc.type	journal article	es_ES
dc.date.updated	2022-05-03T09:29:35Z
dc.identifier.doi	10.1111/1758-2229.13064
dc.identifier.idgrec	152150
dc.rights.accessRights	open access	es_ES