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  • Title: Nocardioides deserti sp. nov., an actinobacterium isolated from desert soil.
    Author: Tuo L, Dong YP, Habden X, Liu JM, Guo L, Liu XF, Chen L, Jiang ZK, Liu SW, Zhang YB, Zhang YQ, Sun CH.
    Journal: Int J Syst Evol Microbiol; 2015 May; 65(Pt 5):1604-1610. PubMed ID: 25716951.
    Abstract:
    A rod- or coccus-shaped, non-spore-forming actinobacterium, designated strain SC8A-24(T), was isolated from a soil sample collected from the rhizosphere of Alhagi sparsifolia on the southern edge of the Taklimakan desert, Xinjiang, China, and examined by a polyphasic approach to clarify its taxonomic position. This actinobacterium was Gram-staining-positive and aerobic. Substrate and aerial mycelia were not observed, and no diffusible pigments were observed on the media tested. Strain SC8A-24(T) grew optimally without NaCl at 28-30 °C and pH 7.0-8.0. Phylogenetic analysis based on the 16S rRNA gene sequence indicated that strain SC8A-24(T) belonged to the genus Nocardioides and shared the highest 16S rRNA gene sequence similarity with Nocardioides salarius CL-Z59(T) (96.51%), N. pyridinolyticus OS4(T) (96.43%) and N. ginsengagri BX5-10(T) (96.37%). The DNA G+C content of strain SC8A-24(T) was 71 mol%. The cell-wall peptidoglycan contained ll-2,6-diaminopimelic acid, and MK-8(H4) was the predominant menaquinone. The major polar lipids were phosphatidylglycerol, diphosphatidylglycerol, an unidentified glycolipid and an unidentified phospholipid. The major fatty acids were C17 : 1ω8c, 10-methyl C17 : 0 and C18 : 1ω9c. On the basis of phylogenetic analysis and phenotypic and chemotaxonomic characteristics, strain SC8A-24(T) represents a novel species of the genus Nocardioides , for which the name Nocardioides deserti sp. nov. is proposed. The type strain is SC8A-24(T) ( =DSM 26045(T)  = CGMCC 4.7183(T)).
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