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Proposal of Streptomyces aureorectus (ex Taig et al. 1969) Taig and Solovieva 1986 as a later heterotypic synonym of Streptomyces calvus Backus et al. 1957 (Approved Lists 1980) on the basis of a polyphasic taxonomic approach

文献类型： 外文期刊

作者： Li, Kaiqin 1 ; Hu, Siren 1 ; Wang, Yinfeng 1 ; Guo, Yihui 1 ; Zhou, Meiliang 2 ; Tang, Xinke 1 ; Gao, Jian 1 ;

作者机构： 1.Hunan Univ Sci & Technol, Sch Life Sci, Xiangtan 411201, Peoples R China

2.Chinese Acad Agr Sci, Inst Crop Sci, Beijing 100081, Peoples R China

3.Coll Hunan Prov, Key Lab Ecol Remediat & Safe Utilizat Heavy Metal, Xiangtan 411201, Peoples R China

关键词： heterotypic synonym; polyphasic taxonomy; Streptomyces aureorectus; Streptomyces calvus

期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.747； 五年影响因子：2.889 ）

ISSN： 1466-5026

年卷期： 2021 年 71 卷 8 期

页码：

收录情况： SCI

摘要： As two separate genomic species, Streptomyces calvus and Streptomyces aureorectus were approved in 1980 and 1986, respectively. However, recently, it has been found that the average nucleotide identity and digital DNA-DNA hybridization values between S. calvus JCM 4326T and S. aureorectus DSM 41692T were 99.19 and 92.70 %, respectively, much higher than 95-96 and 70 % cut- off points proposed and the generally accepted species boundaries. These data indicated that they should be classified as the same genomic species. Furthermore, this result was also supported by a comprehensive comparison of phenotypic, chemotaxonomic and physio- biochemical characteristics between the two type strains. All these data indicated that S. calvus and S. aureorectus had the same taxonomic position. In accordance with the principle of priority, it is proposed that S. aureorectus is a later heterotypic synonyms of S. calvus.

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