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Pathogenic strains of Shewanella putrefaciens contain plasmids that are absent in the probiotic strain Pdp11

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Pathogenic strains of Shewanella putrefaciens contain plasmids that are absent in the probiotic strain Pdp11

dc.contributor.author	Domínguez-Maqueda, Marta
dc.contributor.author	Pérez-Gómez, Olivia
dc.contributor.author	Grande-Pérez, Ana
dc.contributor.author	Esteve Sánchez, Mª Consuelo
dc.contributor.author	Seoane, Pedro
dc.contributor.author	Tapia-Paniagua, Silvana T.
dc.contributor.author	Balebona, M. Carmen
dc.contributor.author	Moriñigo, Miguel A.
dc.date.accessioned	2022-11-22T14:02:32Z
dc.date.available	2022-11-22T14:02:32Z
dc.date.issued	2022
dc.identifier.citation	Domínguez-Maqueda, Marta Pérez-Gómez, Olivia Grande-Pérez, Ana Esteve Sánchez, Mª Consuelo Seoane, Pedro Tapia-Paniagua, Silvana T. Balebona, M. Carmen Moriñigo, Miguel A. 2022 Pathogenic strains of Shewanella putrefaciens contain plasmids that are absent in the probiotic strain Pdp11 Peerj 10 e14248 1 21
dc.identifier.uri	https://hdl.handle.net/10550/84560
dc.description.abstract	Shewanella putrefaciens Pdp11 is a strain described as a probiotic for use in aquaculture. However, S. putrefaciens includes strains reported to be pathogenic or saprophytic to fish. Although the probiotic trait has been related to the presence of a group of genes in its genome, the existence of plasmids that could determine the probiotic or pathogenic character of this bacterium is unknown. In the present work, we searched for plasmids in several strains of S. putrefaciens that differ in their pathogenic and probiotic character. Under the different conditions tested, plasmids were only found in two of the five pathogenic strains, but not in the probiotic strain nor in the two saprophytic strains tested. Using a workflow integrating Sanger and Illumina reads, the complete consensus sequences of the plasmids were obtained. Plasmids differed in one ORF and encoded a putative replication initiator protein of the repB family, as well as proteins related to plasmid stability and a toxin-antitoxin system. Phylogenetic analysis showed some similarity to functional repB proteins of other Shewanella species. The implication of these plasmids in the probiotic or pathogenic nature of S. putrefaciens is discussed.
dc.language.iso	eng
dc.relation.ispartof	Peerj, 2022, vol. 10, num. e14248, p. 1-21
dc.subject	Microbiologia marina
dc.subject	Aqüicultura
dc.title	Pathogenic strains of Shewanella putrefaciens contain plasmids that are absent in the probiotic strain Pdp11
dc.type	journal article	es_ES
dc.date.updated	2022-11-22T14:02:33Z
dc.identifier.doi	10.7717/peerj.14248
dc.identifier.idgrec	155728
dc.rights.accessRights	open access	es_ES