sp. nov., isolated from shrimp () pond water.

A novel strain (CAIM 722=SW9=DSM 24596) was isolated in 2003 from water of a shrimp () culture pond located in Los Mochis, Sinaloa, Mexico, and taxonomically characterized using a polyphasic approach. The 16S rRNA gene sequence clustered within those of the genus , showing high similarity to the type strains of the Porteresiae clade. Multilocus sequence analysis using eight housekeeping genes (, , , , , , , and 16S rRNA) and phylogenetic analysis with 139 single-copy genes showed that the strain forms an independent branch. Whole genome sequencing and genomic analyses (average nucleotide identity, OrthoANI, average amino acid identity and DNA-DNA hybridization) produced values well below the thresholds for species delineation with all methods tested. In addition, a phenotypic characterization was performed to support the description and differentiation of the novel strain from related taxa. The results obtained demonstrate that the strain represent a novel species, for which the name sp. nov. is proposed.