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  • Title: Catellatospora vulcania sp. nov. and Catellatospora paridis sp. nov., two novel actinobacteria isolated from volcanic sediment and the rhizosphere of Paris polyphylla.
    Author: Jia F, Guo S, Shen Y, Gao M, Liu C, Zhou S, Li J, Guan X, Wang X, Xiang W.
    Journal: Antonie Van Leeuwenhoek; 2016 Jan; 109(1):43-50. PubMed ID: 26467683.
    Abstract:
    Two novel actinobacteria, designated strains NEAU-JM1(T) and NEAU-CL2(T), were isolated from volcanic sediment and the rhizosphere soil of Paris polyphylla, respectively, collected from Jiling and Heilongjiang Province, China. A polyphasic study was carried out to establish the taxonomic positions of these strains. The 16S rRNA gene sequence analysis showed that the two novel isolates exhibit 99.5 % 16S rRNA gene sequence similarity with each other. The phylogenetic analysis based on 16S rRNA gene sequence of strain NEAU-JM1(T) showed it to be closely related to Catellatospora methionotrophica JCM 7543(T) (99.4 % sequence similarity), Catellatospora coxensis DSM 44901(T) (99.4 %), Catellatospora citrea DSM 44097(T) (99.3 %) and Catellatospora chokoriensis JCM 12950(T) (99.2 %), and that of strain NEAU-CL2(T) to C. citrea DSM 44097(T) (99.4 %), C. methionotrophica JCM 7543(T) (99.3 %), C. chokoriensis JCM 12950(T) (99.3 %) and C. coxensis DSM 44901(T) (99.2 %). However, the DNA-DNA hybridization value between strains NEAU-JM1(T) and NEAU-CL2(T) was 62.2 %, and the values between the two strains and their close phylogenetic relatives were also below 70 %. With reference to phenotypic characteristics, phylogenetic data and DNA-DNA hybridization results, the two strains can be distinguished from each other and their close phylogenetic relatives. Thus, strains NEAU-JM1(T) and NEAU-CL2(T) can be concluded to represent two novel species of the genus Catellatospora, for which the names Catellatospora vulcania sp. nov. and Catellatospora paridis sp. nov. are proposed. The type strains are NEAU-JM1(T) (=CGMCC 4.7174(T) = JCM 30054(T)) and NEAU-CL2(T) (=CGMCC 4.7236(T) = DSM 100519(T)), respectively.
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