title: Asticcacaulis taihuensis sp. nov., a novel stalked bacterium isolated from Taihu Lake, China.
abstract: A novel stalked bacterium, designated strain T3-B7(T), was isolated from sediment of Taihu Lake, Jiangsu Province, China, and its taxonomy was studied by using a polyphasic approach. Cell morphology, physiological and biochemical properties, and polar lipids indicated that strain T3-B7(T) represented a member of the genus Asticcacaulis. Based on 16S rRNA gene sequence similarity analysis, strain T3-B7(T) was found to be phylogenetically related to Asticcacaulis biprosthecium DSM 4723(T) (98.5 %) and Asticcacaulis excentricus DSM 4724(T) (95.0 %), but could be differentiated from these two species on the basis of the number and position of prosthecae, assimilation of sugars, nitrate reduction and tolerance to NaCl. Levels of DNA-DNA relatedness of strain T3-B7(T) to A. biprosthecium DSM 4723(T) and A. excentricus DSM 4724(T) were 37.1 and 18.0 %, respectively. The G + C content of strain T3-B7(T) was 59 mol% (T(m)). It is concluded that strain T3-B7(T) represents a novel species of the genus Asticcacaulis, for which the name of Asticcacaulis taihuensis sp. nov. is proposed. The type strain is T3-B7(T) (=AS 1.3431(T) = JCM 12463(T)).
authors.affiliation: State Key Laboratory of Microbial Resource at the Institute of Microbiology, Chinese Academy of Sciences, ZhongGuanCun, Haidian, Beijing 100080, People's Republic of China.
authors.forename: Zhi-Pei
authors.initials: ZP
authors.lastname: Liu
authors.affiliation: State Key Laboratory of Microbial Resource at the Institute of Microbiology, Chinese Academy of Sciences, ZhongGuanCun, Haidian, Beijing 100080, People's Republic of China.
authors.forename: Bao-Jun
authors.initials: BJ
authors.lastname: Wang
authors.affiliation: State Key Laboratory of Microbial Resource at the Institute of Microbiology, Chinese Academy of Sciences, ZhongGuanCun, Haidian, Beijing 100080, People's Republic of China.
authors.forename: Shuang-Jiang
authors.initials: SJ
authors.lastname: Liu
authors.affiliation: State Key Laboratory of Microbial Resource at the Institute of Microbiology, Chinese Academy of Sciences, ZhongGuanCun, Haidian, Beijing 100080, People's Republic of China.
authors.forename: Ying-Hao
authors.initials: YH
authors.lastname: Liu
mesh_terms: D015373:Bacterial Typing Techniques; D001482:Base Composition; D042063:Caulobacteraceae / Q000145:classification* / Q000166:cytology / Q000302:isolation & purification* / Q000502:physiology; D002681:China; D004269:DNA, Bacterial / Q000737:chemistry / Q000302:isolation & purification; D004275:DNA, Ribosomal / Q000737:chemistry / Q000302:isolation & purification; D005227:Fatty Acids / Q000032:analysis / Q000302:isolation & purification; D005618:Fresh Water / Q000382:microbiology*; D005798:Genes, Bacterial; D020459:Genes, rRNA; D019015:Geologic Sediments / Q000382:microbiology*; D008969:Molecular Sequence Data; D009693:Nucleic Acid Hybridization; D010802:Phylogeny; D012329:RNA, Bacterial / Q000235:genetics; D012336:RNA, Ribosomal, 16S / Q000235:genetics; D017422:Sequence Analysis, DNA; D014871:Water Microbiology
chemical_list: D004269:DNA, Bacterial; D004275:DNA, Ribosomal; D005227:Fatty Acids; D012329:RNA, Bacterial; D012336:RNA, Ribosomal, 16S