1887

Abstract

A novel isolate belonging to the genus , strain CCNWHQ 0031, was isolated from soil in a sewage irrigation area in Shaanxi province, China. The isolate produced light greyish-blue aerial mycelium and dark blue diffusible pigment on Gause’s synthetic agar. Strain CCNWHQ 0031 formed -type chains with spiny spores. Chemotaxonomic data confirmed that strain CCNWHQ 0031 belonged to the genus . Analysis of the almost complete 16S rRNA gene sequence placed strain CCNWHQ 0031 in the genus where it formed a distinct phyletic line with recognized species. Strain CCNWHQ 0031 exhibited highest sequence similarities to GIMN4.002 (99.3 %), NBRC 12855 (98.9 %), NBRC 12761 (98.8 %) and NBRC 13054 (98.0 %). DNA–DNA hybridization studies of strain CCNWHQ 0031 with these four closest relatives showed relatedness values of 56.6±0.4, 50.3±0.6, 49.8±0.7 and 36.9±0.9 %, respectively. On the basis of its molecular and physiological properties, it is evident that strain CCNWHQ 0031 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is CCNWHQ 0031 ( = CCNWTJ 0031 = JCM 16925 = ACCC 41873).

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2012-08-01
2020-01-24
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