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1 The Key Laboratory for Microbial Resources of the Ministry of Education, and Laboratory for Conservation and Utilization of Bio-Resources, Yunnan Institute of Microbiology, Yunnan University, Kunming 650091, PR China
2 DSMZ – Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH, Inhoffenstraße 7b, D-38124 Braunschweig, Germany
Correspondence
Wen-Jun Li
wjli{at}ynu.edu.cn
or
liact{at}hotmail.com
A novel actinomycete strain, designated YIM 61105T, was isolated from a leaf of Maytenus austroyunnanensis from the tropical rainforest in Xishuangbanna, Yunnan Province, south-west China. A 16S rRNA gene sequence analysis revealed that the organism belonged to the phylogenetic cluster of the genus Nonomuraea and was most closely related to Nonomuraea candida HMC10T (98.2 %), Nonomuraea aegyptia S136 (97.9 %), Nonomuraea kuesteri GW 14-1925T (97.5 %) and Nonomuraea turkmeniaca DSM 43926T (97.4 %). The 16S rRNA gene sequence similarities to other Nonomuraea species were less than 97.4 %. The main chemotaxonomic properties of strain YIM 61105T, such as the principal amino acid of the peptidoglycan, the predominant menaquinone and the polar lipid profile, supported its classification within the genus Nonomuraea. Strain YIM 61105T was also readily differentiated from closely related species on the basis of a broad range of phenotypic properties and DNA–DNA hybridization values. Thus, this isolate is considered to represent a novel species of the genus Nonomuraea, for which the name Nonomuraea antimicrobica sp. nov. is proposed. The type strain is YIM 61105T (=DSM 45220T=CCTCC AA 208016T).
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