Lentzea guizhouensis sp. nov., a novel lithophilous actinobacterium isolated from limestone from the Karst area, Guizhou, China
2015
Cao, Cheng-Liang | Zhou, Xiao-Qi | Qin, Sheng | Tao, Fa-Xiang | Jiang, Ji-Hong | Lian, Bin
A novel filamentous actinobacterium, designated strain DHS C013ᵀ, was isolated from limestone collected in Guizhou Province, South-west China. Morphological and chemotaxonomic characteristics of the strain support its assignment to the genus Lentzea. Phylogenetic analyses showed that strain DHS C013ᵀ is closely related to Lentzea jiangxiensis FXJ1.034ᵀ (98.7 % 16S rRNA gene similarity) and Lentzea flaviverrucosa 4.0578ᵀ (98.0 % 16S rRNA gene similarity), but it can be distinguished from these strains based on low levels of DNA:DNA relatedness (~44 and ~37 %, respectively). Physiological and biochemical tests also allowed phenotypic differentiation of the novel strain from these closely related species. On the basis of the evidence presented here, strain DHS C013ᵀ is concluded to represent a novel species of the genus Lentzea, for which the name Lentzea guizhouensis sp. nov. is proposed. The type strain is DHS C013ᵀ (=KCTC 29677ᵀ = CGMCC 4.7203ᵀ).
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