Abstract

The taxonomic position of strain JL-22(T), isolated from litter of a bamboo (Sasa borealis) forest, was determined using a polyphasic approach. The organism had phenotypic and morphological properties consistent with it being a member of the genus Streptomyces. Phylogenetic analysis of the 16S rRNA gene sequence showed that strain JL-22(T) was closely related to Streptomyces prunicolor NRRL B-12281(T) (99.2%), Streptomyces galilaeus JCM 4757(T) (99.0%) and Streptomyces chartreusis NBRC 12753(T) (99.0%). However, the results of DNA-DNA hybridization and physiological and biochemical tests showed that strain JL-22(T) could be differentiated from its closest phylogenetic relatives both genotypically and phenotypically. Based on phenotypic and genotypic data, strain JL-22(T) represents a novel species of the genus Streptomyces, for which the name Streptomyces graminifolii sp. nov. is proposed. The type strain is JL-22(T) ( = KACC 17180(T) = NBRC 109806(T)).

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