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Int J Syst Evol Microbiol 59 (2009), 254-258; DOI  10.1099/ijs.0.65769-0
© 2009 International Union of Microbiological Societies

Streptomyces alni sp. nov., a daidzein-producing endophyte isolated from a root of Alnus nepalensis D. Don

Ning Liu1,{dagger}, Haibin Wang2,{dagger}, Mei Liu1, Qiang Gu1, Wen Zheng1 and Ying Huang1

1 State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
2 Center of Technology, Zhejiang Hisun Pharmaceutical Co., Ltd, Taizhou 318000, PR China

Correspondence
Ying Huang
huangy{at}im.ac.cn

A filamentous actinomycete, designated strain D65T, was isolated from a root of a wild tree, Alnus nepalensis D. Don (Nepalese Alder), collected in Xishuangbanna, China. It produced the bioactive agents daidzein and N-acetyltyramine and had morphological and chemical properties characteristic of streptomycetes. Pink to brownish red diffusible pigments were produced on several ISP media. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain D65T formed a distinct phyletic line that was most closely, albeit loosely, associated with Streptomyces hebeiensis YIM 001T, Streptomyces aurantiogriseus NRRL B-5416T, Streptomyces griseoviridis NBRC 12874T, Streptomyces niveoruber NBRC 15428T and Streptomyces thermovulgaris NBRC 13473. A number of phenotypic properties allowed differentiation of the strain from related Streptomyces species. Therefore strain D65T represents a novel species of the genus Streptomyces, for which the name Streptomyces alni sp. nov. is proposed. The type strain is D65T (=CGMCC 4.3510T=NRRL B-24611T).

{dagger}These authors contributed equally to this paper.

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain D65T is DQ460470.

Scanning electron micrographs showing the spore chains and spore-surface ornamentation of cells of strain D65T are presented in a supplementary figure available with the online version of this paper.






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Copyright © 2009 by the International Union of Microbiological Societies.