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Updated: Mar 7, 2026

Isolation and Identification of Bacterial Strains from Skin of Terrestrial Amphibians
Published on: June 17, 2025
Streptomyces sparsus sp. nov., isolated from a saline and alkaline soil
Yi Jiang1, Yan-Ru Cao2,1, Jutta Wiese3
1Yunnan Institute of Microbiology, Yunnan University, Kunming, Yunnan 650091, PR China.
Abstract:
A salt- and alkali-tolerant actinomycete strain, YIM 90018(T), was isolated from a saline and alkaline soil sample collected from Qinghai, China. Aerial hyphae of strain YIM 90018(T) were only produced on YIM 82 agar. Vegetative hyphae were well developed and did not fragment. Straight or flexuous (rectiflexibiles) spore chains were produced. The isolate grew well with 25 % (w/v) MgCl(2) x 6H(2)O and at pH 10. All of these characters indicated that strain YIM 90018(T) belonged to the genus Streptomyces. On the basis of phylogenetic analysis of the 16S rRNA gene sequence, DNA-DNA hybridization and phenotypic characteristics, strain YIM 90018(T) could be differentiated from all recognized species of the genus Streptomyces. A novel species, Streptomyces sparsus sp. nov., is proposed, with strain YIM 90018(T) ( = CCTCC AA204019(T) = DSM 41858(T)) as the type strain.
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