RT Journal Article SR Electronic(1) A1 Wu, Xuechang A1 Wen, Yanping A1 Qian, Chaodong A1 Li, Ou A1 Fang, Haihuang A1 Chen, WeifengYR 2008 T1 Taxonomic study of a chromomycin-producing strain and reclassification of Streptomyces cavourensis subsp. washingtonensis as a later synonym of Streptomyces griseus JF International Journal of Systematic and Evolutionary Microbiology, VO 58 IS 12 SP 2783 OP 2787 DO https://doi.org/10.1099/ijs.0.65628-0 PB Microbiology Society, SN 1466-5034, AB A chromomycin-producing actinomycete, strain AP19, was isolated from a sample of faeces collected from Foping national nature reserve in China. Chemotaxonomic and morphological properties indicated that the novel isolate was a member of the genus Streptomyces. Phylogenetic analyses based on an almost complete 16S rRNA gene sequence of the strain and on the 120-nt nucleotide variable γ-region of this molecule revealed that it was closely related to Streptomyces griseus ISP 5236T and Streptomyces cavourensis subsp. washingtonensis ATCC 27732T. DNA–DNA relatedness values among these strains were above 70 %. Streptomyces cavourensis subsp. washingtonensis could be readily distinguished from Streptomyces cavourensis ATCC 14889T by differing BOX-PCR fingerprinting patterns, relatively low 16S rRNA gene sequence similarity and a low DNA–DNA relatedness value. It is proposed, therefore, that Streptomyces cavourensis subsp. washingtonensis is a later synonym of Streptomyces griseus., UL https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/ijs.0.65628-0