title: Methylopila jiangsuensis sp. nov., an aerobic, facultatively methylotrophic bacterium.
abstract: The taxonomic status was determined of an aerobic, facultatively methylotrophic strain, JZL-4(T), isolated from activated sludge. The cells were gram-negative, asporogenous, colourless, motile, short rods. The strain utilized methanol, methylamine, formate and a variety of polycarbon compounds, but not methane, dichloromethane or CO(2)/H(2), as carbon and energy sources. C(1) compounds were assimilated via the isocitrate lyase-negative serine pathway. Optimal growth occurred at 30 °C, pH 6.5-7.5 and 0.5 % (w/v) NaCl. The major cellular fatty acids were C(18 : 1)ω7c and C(18 : 0). The major phospholipids were phosphatidylethanolamine, phosphatidylcholine, phosphatidylglycerol and phosphatidylmonomethylethanolamine (PME); PME, the main phospholipid of strain JZL-4(T), was absent or present in only minor amounts in Methylopila capsulata IM1(T), Methylopila helvetica DM9(T) and Albibacter methylovorans DM10(T). The major ubiquinone was Q-10. The DNA G+C content of strain JZL-4(T) was 70.4 mol% (T(m)). Phylogenetic analysis based on 16S rRNA gene sequences revealed that the strain showed high sequence similarities to M. capsulata IM1(T) (97.2 %), A. methylovorans DM10(T) (94.9 %) and M. helvetica DM9(T) (94.1 %), and showed less than 94 % similarity to strains of other species with validly published names. Strain JZL-4(T) had a low level of DNA-DNA relatedness (34 %) with M. capsulata IM1(T). On the basis of phenotypic, genetic and phylogenetic data, strain JZL-4(T) is proposed to represent a novel species of the genus Methylopila, with the name Methylopila jiangsuensis sp. nov. The type strain is strain JZL-4(T) ( = ACCC 05406(T)  = DSM 22718(T)  = VKM B-2555(T)).
authors.affiliation: Key Laboratory of Microbiological Engineering of Agricultural Environment, Ministry of Agriculture, Life Sciences College of Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China.
authors.forename: Lian
authors.initials: L
authors.lastname: Li
authors.affiliation: Key Laboratory of Microbiological Engineering of Agricultural Environment, Ministry of Agriculture, Life Sciences College of Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China.
authors.forename: Jin-Wei
authors.initials: JW
authors.lastname: Zheng
authors.affiliation: Key Laboratory of Microbiological Engineering of Agricultural Environment, Ministry of Agriculture, Life Sciences College of Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China.
authors.forename: Bao-Jian
authors.initials: BJ
authors.lastname: Hang
authors.affiliation: G. K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Pushchino, Moscow Region 142292, Russia.
authors.forename: Nina V
authors.initials: NV
authors.lastname: Doronina
authors.affiliation: G. K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Pushchino, Moscow Region 142292, Russia.
authors.forename: Yuri A
authors.initials: YA
authors.lastname: Trotsenko
authors.affiliation: Key Laboratory of Microbiological Engineering of Agricultural Environment, Ministry of Agriculture, Life Sciences College of Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China.
authors.forename: Jian
authors.initials: J
authors.lastname: He
authors.affiliation: Key Laboratory of Microbiological Engineering of Agricultural Environment, Ministry of Agriculture, Life Sciences College of Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China.
authors.forename: Shun-Peng
authors.initials: SP
authors.lastname: Li
mesh_terms: D001482:Base Composition; D002681:China; D004269:DNA, Bacterial / Q000235:genetics; D005227:Fatty Acids / Q000737:chemistry; D042083:Methylocystaceae / Q000145:classification* / Q000235:genetics / Q000302:isolation & purification; D008969:Molecular Sequence Data; D009693:Nucleic Acid Hybridization; D010743:Phospholipids / Q000737:chemistry; D010802:Phylogeny; D012336:RNA, Ribosomal, 16S / Q000235:genetics; D017422:Sequence Analysis, DNA; D012722:Sewage / Q000382:microbiology*; D014451:Ubiquinone / Q000737:chemistry
chemical_list: D004269:DNA, Bacterial; D005227:Fatty Acids; D010743:Phospholipids; D012336:RNA, Ribosomal, 16S; D012722:Sewage; D014451:Ubiquinone; C025204:Ubiquinone Q2