Characterization of an accessory plasmid of Sinorhizobium meliloti and its two replication-modules

dc.contributor.authorLuchetti, Abril
dc.contributor.authorCastellani, Lucas Gabriel
dc.contributor.authorToscani, Andrés Martín
dc.contributor.authorLagares, Antonio
dc.contributor.authorDel Papa, María Florencia
dc.contributor.authorTorres Tejerizo, Gonzalo
dc.contributor.authorPistorio, Mariano
dc.contributor.departmentInstitute for Multidisciplinary Research in Applied Biology - IMABen
dc.date.accessioned2023-11-02T08:15:54Z
dc.date.available2023-11-02T08:15:54Z
dc.date.issued2023
dc.date.updated2023-11-02T08:01:24Z
dc.description.abstractRhizobia are Gram-negative bacteria known for their ability to fix atmospheric N-2 in symbiosis with leguminous plants. Current evidence shows that rhizobia carry in most cases a variable number of plasmids, containing genes necessary for symbiosis or free-living, a common feature being the presence of several plasmid replicons within the same strain. For many years, we have been studying the mobilization properties of pSmeLPU88b from the strain Sinorhizobium meliloti LPU88, an isolate from Argentina. To advance in the characterization of pSmeLPU88b plasmid, the full sequence was obtained. pSmeLPU88b is 35.9 kb in size, had an average GC % of 58.6 and 31 CDS. Two replication modules were identified in silico: one belonging to the repABC type, and the other to the repC. The replication modules presented high DNA identity to the replication modules from plasmid pMBA9a present in an S. meliloti isolate from Canada. In addition, three CDS presenting identity with recombinases and with toxin-antitoxin systems were found downstream of the repABC system. It is noteworthy that these CDS present the same genetic structure in pSmeLPU88b and in other rhizobial plasmids. Moreover, in all cases they are found downstream of the repABC operon. By cloning each replication system in suicide plasmids, we demonstrated that each of them can support plasmid replication in the S. meliloti genetic background, but with different stability behavior. Interestingly, while incompatibility analysis of the cloned rep systems results in the loss of the parental module, both obtained plasmids can coexist together.en
dc.description.sponsorshipG.A.T.T. - PICT2020-02314 - Agencia Nacional de Promoción de la Investigación, el Desarrollo Tecnológico y la Innovación - https:// www.argentina.gob.ar/ciencia/agencia M.P. - PICT2017-2833 - Agencia Nacional de Promoción de la Investigación, el Desarrollo Tecnológico y la Innovación - https://www.argentina.gob.ar/ciencia/ agencia G.A.T.T - PIP0678 - Consejo Nacional de Investigaciones Científicas y Técnicas - https:// www.conicet.gov.ar/en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationLuchetti, A., Castellani, L. G., Toscani, A. M., Lagares, A., Del Papa, M. F., Torres Tejerizo, G., & Pistorio, M. (2023). Characterization of an accessory plasmid of Sinorhizobium meliloti and its two replication-modules. PLOS ONE, 18(5), e0285505. https://doi.org/10.1371/journal.pone.0285505en
dc.identifier.doi10.1371/journal.pone.0285505
dc.identifier.issn1932-6203
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/46673
dc.language.isoengen
dc.publisherPublic Library of Scienceen
dc.relation.ispartofPlos One, 18(5), 1-18en
dc.relation.publisherversionhttps://doi.org/10.1371/journal.pone.0285505
dc.rights© 2023 Luchetti et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.en
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectRhizobiaen
dc.subjectSinorhizobium melilotien
dc.subjectPlasmiden
dc.subjectReplication modulesen
dc.titleCharacterization of an accessory plasmid of Sinorhizobium meliloti and its two replication-modulesen
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/publishedVersion
dspace.entity.typePublication

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