Genome and metabolic network of "<i>Candidatus</i> Phaeomarinobacter ectocarpi" Ec32, a new candidate genus of <i>Alphaproteobacteria</i> frequently associated with brown algae

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dc.contributor.authorDittami, Simon M.
dc.contributor.authorBarbeyron, Tristan
dc.contributor.authorBoyen, Catherine
dc.contributor.authorCambefort, Jeanne
dc.contributor.authorCollet, Guillaume
dc.contributor.authorDelage, Ludovic
dc.contributor.authorGobet, Angelique
dc.contributor.authorGroisillier, Agnes
dc.contributor.authorLeblanc, Catherine
dc.contributor.authorMichel, Gurvan
dc.contributor.authorScornet, Delphine
dc.contributor.authorSiegel, Anne
dc.contributor.authorTapia, Javier E.
dc.contributor.authorTonon, Thierry
dc.date.accessioned2025-01-23T21:44:14Z
dc.date.available2025-01-23T21:44:14Z
dc.date.issued2014
dc.description.abstractRhizobiales and related orders of Alphaproteobacteria comprise several genera of nodule-inducing symbiotic bacteria associated with plant roots. Here we describe the genome and the metabolic network of "Candidatus Phaeomarinobacter ectocarpi" Ec32, a member of a new candidate genus closely related to Rhizobiales and found in association with cultures of the filamentous brown algal model Ectocarpus. The "Ca. P. ectocarpi" genome encodes numerous metabolic pathways that may be relevant for this bacterium to interact with algae. Notably, it possesses a large set of glycoside hydrolases and transporters, which may serve to process and assimilate algal metabolites. It also harbors several proteins likely to be involved in the synthesis of algal hormones such as auxins and cytokinins, as well as the vitamins pyridoxine, biotin, and thiamine. As of today, "Ca. P. ectocarpi" has not been successfully cultured, and identical 16S rDNA sequences have been found exclusively associated with Ectocarpus. However, related sequences (>= 97% identity) have also been detected free-living and in a Fucus vesiculosus microbiome barcoding project, indicating that the candidate genus "Phaeomarinobacter" may comprise several species, which may colonize different niches.
dc.fuente.origenWOS
dc.identifier.doi10.3389/fgene.2014.00241
dc.identifier.eissn1664-8021
dc.identifier.urihttps://doi.org/10.3389/fgene.2014.00241
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/101689
dc.identifier.wosidWOS:000347227000001
dc.language.isoen
dc.revistaFrontiers in genetics
dc.rightsacceso restringido
dc.subject.ods14 Life Below Water
dc.subject.ods13 Climate Action
dc.subject.ods15 Life on Land
dc.subject.odspa14 Vida submarina
dc.subject.odspa13 Acción por el clima
dc.subject.odspa15 Vida de ecosistemas terrestres
dc.titleGenome and metabolic network of "<i>Candidatus</i> Phaeomarinobacter ectocarpi" Ec32, a new candidate genus of <i>Alphaproteobacteria</i> frequently associated with brown algae
dc.typeartículo
dc.volumen5
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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