Oceanirhabdus

Abstract

Oceanirhabdus (O.ce.a.ni.rhab'dus. L. masc. n. oceanus ocean; Gr. fem. n. rhabdos rod; N.L. fem. n. Oceanirhabdus a rod of the ocean). Firmicutes / Clostridia / Clostridiales / Clostridiaceae / Oceanirhabdus Cells are rod‐shaped with peritrichous flagella. Endospores form during stationary phase of growth. Cells are Gram‐positive staining. Colonies are circular, white, semitransparent with a smooth surface. Obligate anaerobes. Optimal growth at pH 6.5–7.0, 34–38°C, and 2.5% (w/v) NaCl. Cells can utilize multiple types of complex proteinaceous substrates as carbon and energy sources. The predominant cellular fatty acids are anteiso‐C 15:0 , C 16:0 , iso‐C 15:0 , anteiso‐C 17:0 , and C 16:0 DMA. No isoprenoid quinone is detected. Oceanirhabdus is in the class Clostridia , the order Clostridiales , and the family Clostridiaceae . The genus Oceanirhabdus comprises one species, Oceanirhabdus sediminicola . The type strain of the type species of the genus was isolated from marine sediments. Phylogenetic analysis of 16S rRNA genes indicates that Oceanirhabdus is a lineage that is separated from the closely related genera in the family Clostridiaceae . DNA G + C content (mol%) : 35.8 (HPLC). Type species : Oceanirhabdus sediminicola Pi et al. 2013 VP .