A novel actinobacterium, designated KLBMP 5180T, was isolated from the surface-sterilized root of a coastal halophyte, Limonium sinense, collected from the city of Lianyungang, Jiangsu Province, eastern China. The isolate was Gram-stain-positive, aerobic and non-motile. The components of the cell-wall peptidoglycan were lysine, glutamic acid and alanine. The predominant menaquinone was MK-9. The polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol, one unknown phospholipid, one unidentified glycolipid and two unidentified lipids. anteiso-C15 : 0 and iso-C16 : 0 were the major cellular fatty acids. The DNA G+C content of strain KLBMP 5180T was 60.0 mol%. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain KLBMP 5180T belongs to the genus Glutamicibacter and was related most closely to Glutamicibacter nicotianae DSM 20123T (99.3 % similarity), Glutamicibacterarilaitensis Re117T (99.3 %) and Glutamicibacter mysorens LMG 16219T (99.1 %); similarity to other type strains of the genus Glutamicibacter was lower than 98.5 %. However, DNA-DNA relatedness values between strain KLBMP 5180T, G . nicotianae DSM 20123T, G. arilaitensis Re117T and G. mysorens LMG 16219T were 47.5±2.6, 51.3±3.1 and 41.2±4.3 %, respectively. The combination of DNA-DNA hybridization, phylogenetic, phenotypic and chemotaxonomic data supported the suggestion that strain KLBMP 5180T represents a novel species of the genus Glutamicibacter, for which the name Glutamicibacterhalophytocola sp. nov. is proposed. The type strain is KLBMP 5180T (=DSM 101718T=KCTC 39692T).
Tamaricihabitans halophyticus gen. nov., sp. nov., an endophytic actinomycete of the family Pseudonocardiaceae T contained meso-diaminopimelic acid as the diagnostic diamino acid, and galactose, arabinose and glucose as the whole-cell sugars. The major menaquinone was MK-9(H 4 ) and the fatty acid profile was characterized by the predominance of iso-C 16 : 0 , C 17 : 1 v8c, C 17 : 1 v6c and C 17 : 0 .The polar lipids comprised diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylinositol, unknown aminophospholipids and an unknown glycolipid. Mycolic acids were not present. The G+C content of the genomic DNA was 67.2 mol%. On the basis of the evidence from this polyphasic study, strain KLBMP 1356 T is considered to represent a novel species of a new genus in the family Pseudonocardiaceae, for which the name Tamaricihabitans halophyticus gen. nov., sp. nov. is proposed. The type strain of the type species is KLBMP 1356 T (5DSM 45765
A novel actinomycete strain, designated strain KLBMP S0027T, was isolated from a coastal soil collected from the coastal region of Lianyungang, Jiangsu Province, in east China, and was studied in detail for its taxonomic position. Comparative 16S rRNA gene sequence analysis showed that this strain belonged to the genus Nocardia and was most closely related to Nocardia harenae WS-26T (98.5 %), Nocardiaasiatica NBRC 100129T (98.5 %), Nocardiaabscessus NBRC 100374T (98.2 %), Nocardia brasiliensis NBRC 14402T (98.2 %) and Nocardiacyriacigeorgica NBRC 100375T (98 %), respectively. The strain showed a combination of chemotaxonomic and morphological properties typical of the genus Nocardia. The cell wall contained meso-diaminopimelic acid (type IV), and whole-cell sugars were arabinose, galactose, glucose and ribose. Strain KLBMP S0027T contained MK-8(H4ω-cycl) as the predominant menaquinone; C16 : 0, C18 : 1ω9c, C18 : 0 10-methyl (TBSA) and summed feature 3 (C16 : 1ω7c/C16 : 1ω6c) were the major cellular fatty acids. The polar lipids detected were diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylinositol, one unknown glycolipid and two unknown lipids. Mycolic acids were detected. The G+C content of the DNA was 70.5 %. However, a combination of DNA-DNA hybridization and phenotypic data demonstrated that strain KLBMP S0027T could be clearly distinguished from the type strain of the most closely related species, N. harenae WS-26T. On the basis of the data presented from a polyphasic study, it was evident that this strain should be assigned to a novel species of the genus Nocardia, for which the name Nocardia jiangsuensis sp. nov. is proposed. The type strain is KLBMP S0027T (=CGMCC 4.7330T=KCTC 39691T).
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