title: Reclassification of a parathione-degrading Flavobacterium sp. ATCC 27551 as Sphingobium fuliginis.
abstract: A parathione-degrading bacterium isolated from rice field in the Philippines, Flavobacterium sp. ATCC 27551 (Sethunathan and Yoshida, 1973, Can. J. Microbiol., 19, 873-875), was re-examined chemotaxonomically and phylogenetically. The strain contained 2-hydroxymyristic acid (2-OH 14 : 0), cis-vaccenic acid (18 : 1 omega7c), and palmitic acid (16 : 0) as major cellular fatty acids, two kinds of glycosphingolipids, and ubiquinone-10 as a sole quinone component. The G+C content of genomic DNA of the strain was 65.9 mol%. The phylogenetic analyses of the 16S rRNA gene indicated that the strain was included in the family Sphingomonadaceae, and most closely related to Sphingobium fuliginis (98.0% similarity) and Sphingobium herbicidovorans (97.3%). The strain showed similar physiological characteristics and a moderate value of DNA-DNA relatedness to S. fuliginis. These data suggested it reasonable to conclude that strain ATCC 27551 was identified as S. fuliginis.
authors.affiliation: Department of Applied Material and Life Science, College of Engineering, Kanto Gakuin University, 1-50-1 Mutsuura-higashi, Yokohama, Kanagawa, Japan. kawahara@kanto-gakuin.ac.jp
authors.forename: Kazuyoshi
authors.initials: K
authors.lastname: Kawahara
authors.forename: Atsushi
authors.initials: A
authors.lastname: Tanaka
authors.forename: Jaewoo
authors.initials: J
authors.lastname: Yoon
authors.forename: Akira
authors.initials: A
authors.lastname: Yokota
mesh_terms: D016227:Benzoquinones / Q000032:analysis; D001673:Biodegradation, Environmental; D005227:Fatty Acids / Q000032:analysis; D005417:Flavobacterium / Q000145:classification*; D007306:Insecticides / Q000378:metabolism*; D010278:Parathion / Q000378:metabolism*; D010802:Phylogeny; D042301:Sphingomonadaceae / Q000145:classification* / Q000235:genetics / Q000502:physiology
chemical_list: D016227:Benzoquinones; D005227:Fatty Acids; D007306:Insecticides; C004532:quinone; D010278:Parathion