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A bacterial strain designated RKEM611T was isolated from the octocoral Antillogorgia elisabethae, collected off the coast of San Salvador, The Bahamas. The strain is Gram-stain-negative, an obligate aerobe, and pleomorphic. It requires NaCl for growth and exhibits optimal growth at 1–2 % (w/v) NaCl, 30–37 °C and pH 6.0–8.0. The predominant cellular fatty acids are C16 : 1ω5c and C16 : 0; the major respiratory quinone is menaquinone MK-6, and the DNA G+C content is 46.3 mol%. Based on phylogenetic analysis of the 16S rRNA gene, in addition to phenotypic characteristics, RKEM611T represents a novel species and genus of a novel family within the order Bdellovibrionales . The names Pseudobacteriovoracaceae fam. nov. and Pseudobacteriovorax antillogorgiicola gen., nov., sp., nov. are proposed. Isolate RKEM611T ( = NCCB 100521T = LMG 28452T) is the type strain.
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