Catellatosporatagetis sp. nov., isolated from the root of a marigold (Tagetes erecta L.)
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A Gram-stain positive, non-motile, mesophilic actinomycete, designated strain NEAU-YJC4T was isolated from the root of a marigold (Tagetes erecta L.) collected in Heilongjiang Province, northeast China, and characterized using a polyphasic approach. Morphological and chemotaxonomic properties of strain NEAU-YJC4T were consistent with the description of the genus Catellatospora. 16S rRNA gene sequence similarity studies showed that strain NEAU-YJC4T belongs to the genus Catellatospora, being most closely related to Catellatospora bangladeshensis JCM 12949T (98.7 %). Phylogenetic analysis based on 16S rRNA gene sequences demonstrated that strain NEAU-YJC4T formed a monophyletic clade with the closest relative. A combination of DNA–DNA hybridization results and some phenotypic characteristics indicated that strain NEAU-YJC4T can be distinguished from C. bangladeshensis JCM 12949T. Therefore, it is proposed that strain NEAU-YJC4T represents a novel species of the genus Catellatospora, for which the name Catellatospora tagetis sp. nov. is proposed. The type strain is NEAU-YJC4T (=CGMCC 4.7176T = JCM 30053T).
KeywordsCatellatospora tagetis sp. nov. Polyphasic taxonomy 16S rRNA gene
This work was supported in part by grants from the National Outstanding Youth Foundation (No. 31225024), the National Natural Science Foundation of China (Nos. 31471832, 31171913 and 31372006), the National Key Technology R&D Program (No. 2012BAD19B06), Chang Jiang Scholar Candidates Program for Provincial Universities in Heilongjiang (CSCP), the China Postdoctoral Science Foundation (2014M561319) and the Heilongjiang Postdoctoral Fund (LBH-Z14027). And we are grateful to Professor Bernhard Schink for helpful advice on the specific epithet.
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