Photobacterium sanguinicancri sp. nov. isolated from marine animals

Six strains were isolated from the hemolymph of the spider crab Maja brachydactyla, captured in Spain, and one from a diseased blue mussel, Mytilus edulis. The 16S rRNA gene sequences showed close similarity to the recently described Photobacterium swingsii (98.1 %) and to a lesser degree to Photobacterium aquimaris (97.8 %). MLSA analyses showed a monophyletic group including P. swingsii that form a new subclade. All genomic analyses (Average Nucleotide Identity, Average Amino Acid Identity, and in silico DNA-DNA) clearly separate the strains analysed from P. swingsii with values below the thresholds to delimit a new species. The phenotypic, genotypic and genomic data presented here clearly place these strains as a coherent group within the genus Photobacterium, for which we propose the name Photobacterium sanguinicancri sp. nov. Strain CAIM 1827(T) (=CECT 7579(T), =DSM 24670(T)) is proposed as the type strain of the species.

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