Flavobacterium frigidimaris sp. nov., isolated from Antarctic seawater.
We described the polyphasic characterization of the psychrotolerant isolated from Antarctic seawater. The strain was closely related to Flavobacterium hydatis, F. pectinovorum, and F. saccharophilum on the basis of the 16S rDNA sequence analysis. However, DNA-DNA hybridization experiments showed that the DNA-similarities between strain KUC-1T and the reference strains of Flavobacterium were less than 30%. Therefore, we can definite a new species of Flavobacterium phylogenetically, and strain KUC-1T can be considered to be a new species of Flavobacterium. i.e. F. frigidimaris (KUC-1T: JCM 12218T and DSM 15937T; mol% G+C of DNA of the type strain is 34.5 mol%). Useful phenotypical features for discrimination of F. frigidimaris from other Flavobacterium species, such as a resistance to NaCl, optimum growth temperature, and cellular fatty acid composition, were also determined.
Systematic Microbiology Research Group, Extremobiosphere Research Center, Japan Agency for Marine-Earth Science and Technology (JAMSTEC) 2-15 Natsushima-cho, Yokosuka 237-0061, Japan.
Yuichi
Y
Nogi
Kenji
K
Soda
Tadao
T
Oikawa
D000864:Antarctic Regions; D001482:Base Composition; D004269:DNA, Bacterial / Q000737:chemistry / Q000302:isolation & purification; D004275:DNA, Ribosomal / Q000737:chemistry / Q000302:isolation & purification; D005227:Fatty Acids / Q000032:analysis; D005417:Flavobacterium / Q000145:classification* / Q000166:cytology / Q000302:isolation & purification* / Q000502:physiology; D020459:Genes, rRNA; D006131:Growth Inhibitors / Q000494:pharmacology; D008969:Molecular Sequence Data; D009693:Nucleic Acid Hybridization; D010802:Phylogeny; D012329:RNA, Bacterial / Q000235:genetics; D012336:RNA, Ribosomal, 16S / Q000235:genetics; D012623:Seawater / Q000382:microbiology*; D017422:Sequence Analysis, DNA; D012965:Sodium Chloride / Q000494:pharmacology; D013696:Temperature; D014871:Water Microbiology
D004269:DNA, Bacterial; D004275:DNA, Ribosomal; D005227:Fatty Acids; D006131:Growth Inhibitors; D012329:RNA, Bacterial; D012336:RNA, Ribosomal, 16S; D012965:Sodium Chloride