title: Myroides profundi sp. nov., isolated from deep-sea sediment of the southern Okinawa Trough.
abstract: A Gram-negative, nonmotile, aerobic and oxidase- and catalase-positive bacterium, designated D25T, was isolated from the deep-sea sediments of the southern Okinawa Trough area. Phylogenetic analyses of 16S rRNA gene sequences showed that strain D25T fell within the genus Myroides, with 99.2%, 96.0% and 93.4% sequence similarities to the only three recognized species of Myroides. However, the DNA-DNA similarity value between strain D25T and its nearest neighbour Myroides odoratimimus JCM 7460T was only 49.9% (<70%). Several phenotypic properties could be used to distinguish strain D25T from other Myroides species. The main cellular fatty acids of strain D25T were iso-C15:0, iso-C17:1omega9c, iso-C17:03-OH and Summed Feature 3 (comprising C16:1omega7c and/or iso-C15:02-OH). The major respiratory quinone was MK-6. The DNA G+C content was 33.0 mol%. The results of the polyphasic taxonomy analysis suggested that strain D25T represents a novel species of the genus Myroides, for which the name Myroides profundi sp. nov. is proposed. The type strain is D25T (=CCTCC M 208030T=DSM 19823T).
authors.affiliation: The State Key Laboratory of Microbial Technology, Marine Biotechnology Research Center, Shandong University, Jinan, China.
authors.forename: Xi-Ying
authors.initials: XY
authors.lastname: Zhang
authors.forename: Yan-Jiao
authors.initials: YJ
authors.lastname: Zhang
authors.forename: Xiu-Lan
authors.initials: XL
authors.lastname: Chen
authors.forename: Qi-Long
authors.initials: QL
authors.lastname: Qin
authors.forename: Dian-Li
authors.initials: DL
authors.lastname: Zhao
authors.forename: Tie-Gang
authors.initials: TG
authors.lastname: Li
authors.forename: Hong-Yue
authors.initials: HY
authors.lastname: Dang
authors.forename: Yu-Zhong
authors.initials: YZ
authors.lastname: Zhang
mesh_terms: D004269:DNA, Bacterial / Q000235:genetics; D041965:Flavobacteriaceae / Q000737:chemistry / Q000145:classification* / Q000235:genetics / Q000302:isolation & purification*; D005838:Genotype; D019015:Geologic Sediments / Q000382:microbiology*; D008969:Molecular Sequence Data; D010641:Phenotype; D010802:Phylogeny; D012336:RNA, Ribosomal, 16S / Q000235:genetics; D013045:Species Specificity
chemical_list: D004269:DNA, Bacterial; D012336:RNA, Ribosomal, 16S