Journal
SYSTEMATIC AND APPLIED MICROBIOLOGY
Volume 31, Issue 2, Pages 108-113Publisher
ELSEVIER GMBH
DOI: 10.1016/j.syapm.2008.03.004
Keywords
Rhodococcus cercidiphylli sp nov.; polyphasic taxonomy; 16S rRNA gene
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An endophytic actinobacterium, designated YIM 65003(T), was isolated from a surface sterilized leaf sample of Cercidiphyllum japonicum collected from Yunnan province, south-west China. The morphological and chemotaxonomic properties of the isolate were typical of members of the genus Rhodococcus. Analysis of the 16S rRNA gene sequence revealed that the isolate was most closely related to Rhodococcus fascians DSM 20669(T) (99.6%) and Rhodococcus yunnanensis YIM 70056(T) (99.0%). DNA-DNA hybridization with the above microorganisms (46.3% and 48.8%, respectively), in combination with differences in the biochemical and physiological properties, suggested that strain YIM 65003 T should be classified within a novel species of the genus Rhodococcus, for which the name Rhodococcus cercidiphylli sp. nov. is proposed, with YIM 65003(T) ( = CCTCC AB 207160(T) = DSM 45141(T)) as the type strain. The 16S rRNA gene sequence of strain YIM 65003 T has been deposited in GenBank under the accession number EU325542. (C) 2008 Elsevier GmbH. All rights reserved.
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