title: Actinopolyspora alba sp. nov. and Actinopolyspora erythraea sp. nov., isolated from a salt field, and reclassification of Actinopolyspora iraqiensis Ruan et al. 1994 as a heterotypic synonym of Saccharomonospora halophila.
abstract: Three actinomycetal strains, designated YIM 90479, YIM 90480(T) and YIM 90600(T), were isolated from a salt field in Xinjiang province, North-west China and subjected to polyphasic taxonomic study. All three strains were moderately halophilic and were able to grow on agar at NaCl concentrations of up to 20-25 % (w/v). No growth was observed in the absence of NaCl. Good growth occurred at 37 °C and 15 % (w/v) NaCl. The cell walls of the three strains were of the type IV variety and their phospholipid patterns were type PIII. MK-9 (H(4)) and MK-10 (H(4)) or MK-9 (H(4)) and MK-9 (H(2)) were the predominant menaquinones. iso-C(16 : 0) and anteiso-C(17 : 0) or anteiso-C(15 : 0) and anteiso-C(17 : 0) were the major fatty acids. The G+C contents of the genomic DNA were 66.4-68.3 mol%. Based on differential phenotypic, chemotaxonomic and phylogenetic characteristics and the results of DNA-DNA hybridization tests, the three novel stains represent two novel species, for which the names Actinopolyspora alba sp. nov. and Actinopolyspora erythraea sp. nov. are proposed. The type strains of the species are YIM 90480(T) ( = DSM 45004(T)  = KCTC 19119(T)) and YIM 90600(T) ( = CCTCC M 208247(T)  = KCTC 19372(T)). In addition, we propose that Actinopolyspora iraqiensis (Ruan et al., 1994) be transferred to the genus Saccharomonospora as a heterotypic synonym of Saccharomonospora halophila based on present research results.
authors: Key Laboratory of Microbial Diversity in Southwest China, Ministry of Education and the Laboratory for Conservation and Utilization of Bio-resources, Yunnan Institute of Microbiology, Yunnan University, Kunming 650091, PR China.
authors: Shu-Kun
authors: SK
authors: Tang
authors: Xinjiang Institute of Microbiology, Xinjiang Academy of Agricultural Science, Urumqi, Xinjiang 830091, PR China.
authors: Yun
authors: Y
authors: Wang
authors: DSMZ - Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH, Inhoffenstraße 7b, D-38124 Braunschweig, Germany.
authors: Hans-Peter
authors: HP
authors: Klenk
authors: Key Laboratory of Microbial Diversity in Southwest China, Ministry of Education and the Laboratory for Conservation and Utilization of Bio-resources, Yunnan Institute of Microbiology, Yunnan University, Kunming 650091, PR China.
authors: Rong
authors: R
authors: Shi
authors: Xinjiang Institute of Microbiology, Xinjiang Academy of Agricultural Science, Urumqi, Xinjiang 830091, PR China.
authors: Kai
authors: K
authors: Lou
authors: Key Laboratory of Microbial Diversity in Southwest China, Ministry of Education and the Laboratory for Conservation and Utilization of Bio-resources, Yunnan Institute of Microbiology, Yunnan University, Kunming 650091, PR China.
authors: Yun-Jiao
authors: YJ
authors: Zhang
authors: Key Laboratory of Protection and Utilization of Biological Resources in Tarim Basin of Xinjiang Production & Construction Corps, Tarim University, Alar, Xinjiang 843300, PR China.|Key Laboratory of Microbial Diversity in Southwest China, Ministry of Education and the Laboratory for Conservation and Utilization of Bio-resources, Yunnan Institute of Microbiology, Yunnan University, Kunming 650091, PR China.
authors: Chao
authors: C
authors: Chen
authors: Institute of Microbiology, Chinese Academy of Sciences, Beijing 100190, PR China.
authors: Ji-Sheng
authors: JS
authors: Ruan
authors: Institute of Microbiology, Chinese Academy of Sciences, Beijing 100190, PR China.|Key Laboratory of Microbial Diversity in Southwest China, Ministry of Education and the Laboratory for Conservation and Utilization of Bio-resources, Yunnan Institute of Microbiology, Yunnan University, Kunming 650091, PR China.
authors: Wen-Jun
authors: WJ
authors: Li
mesh_terms: D000192:Actinomycetales / Q000145:classification* / Q000235:genetics / Q000302:isolation & purification; D015373:Bacterial Typing Techniques; D001482:Base Composition; D002681:China; D004269:DNA, Bacterial / Q000235:genetics; D005227:Fatty Acids / Q000737:chemistry; D008969:Molecular Sequence Data; D009693:Nucleic Acid Hybridization; D010743:Phospholipids / Q000737:chemistry; D010802:Phylogeny; D012336:RNA, Ribosomal, 16S / Q000235:genetics; D012492:Salts / Q000737:chemistry; D017422:Sequence Analysis, DNA; D012988:Soil Microbiology; D024482:Vitamin K 2 / Q000737:chemistry
chemical_list: D004269:DNA, Bacterial; D005227:Fatty Acids; D010743:Phospholipids; D012336:RNA, Ribosomal, 16S; D012492:Salts; D024482:Vitamin K 2