title: Description of Maribacter forsetii sp. nov., a marine Flavobacteriaceae isolated from North Sea water, and emended description of the genus Maribacter.
abstract: Three rod-shaped, Gram-negative, chemo-organotrophic, heterotrophic, strictly aerobic, gliding bacterial strains, KT02ds18-4, KT02ds18-5 and KT02ds18-6T, were isolated from North Sea surface waters near the island of Helgoland, Germany. Their taxonomic position was investigated by a polyphasic approach. The three strains were light yellow, oxidase- and catalase-positive, and grew optimally at 25 degrees C, at pH 7.5, and in the presence of 2.5 % (w/v) NaCl. The Chargaff's coefficient was 34.2-34.4 mol%. The three strains shared >90 % DNA-DNA relatedness and an identical 16S rRNA gene sequence. Comparative 16S rRNA gene sequence analysis allocated the three strains to the genus Maribacter in the family Flavobacteriaceae, with similarities of 97.0-97.4 % to five of the recognized Maribacter species. Their low level of DNA-DNA relatedness (<20 %) with these species and differentiating phenotypic characteristics demonstrated that they constitute a new Maribacter species for which the name Maribacter forsetii sp. nov. is proposed. Strain KT02ds18-6T (=CIP 109504T=DSM 18668T) is the type strain. An emended description of the genus Maribacter is also proposed.
authors.affiliation: Centre National de la Recherche Scientifique, Université Pierre et Marie Curie-Paris 6, Unité Mixte de Recherche 7139 Végétaux Marins et Biomolécules, Station Biologique, F-29682 Roscoff Cedex (Bretagne), France.
authors.forename: Tristan
authors.initials: T
authors.lastname: Barbeyron
authors.forename: Flavien
authors.initials: F
authors.lastname: Carpentier
authors.forename: Stéphane
authors.initials: S
authors.lastname: L'haridon
authors.forename: Margarete
authors.initials: M
authors.lastname: Schüler
authors.forename: Gurvan
authors.initials: G
authors.lastname: Michel
authors.forename: Rudolf
authors.initials: R
authors.lastname: Amann
mesh_terms: D050260:Carbohydrate Metabolism; D004269:DNA, Bacterial / Q000235:genetics; D005227:Fatty Acids / Q000032:analysis; D041965:Flavobacteriaceae / Q000145:classification* / Q000235:genetics / Q000302:isolation & purification* / Q000378:metabolism; D005798:Genes, Bacterial; D005858:Germany; D008969:Molecular Sequence Data; D010641:Phenotype; D010802:Phylogeny; D012329:RNA, Bacterial / Q000235:genetics; D012336:RNA, Ribosomal, 16S / Q000235:genetics; D012623:Seawater / Q000382:microbiology; D012689:Sequence Homology, Nucleic Acid; D013045:Species Specificity; D009626:Terminology as Topic
chemical_list: D004269:DNA, Bacterial; D005227:Fatty Acids; D012329:RNA, Bacterial; D012336:RNA, Ribosomal, 16S