Rubrobacter taiwanensis sp. nov., a novel thermophilic, radiation-resistant species isolated from hot springs

Mao Yen Chen, Shih Hsiung Wu, Guang Huey Lin, Chun Ping Lu, Yung Ting Lin, Wen Chang Chang, San San Tsay

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Abstract

Two novel bacteria, with an optimum growth temperature of approximately 60°C, were isolated from Lu-shan hot springs in the central region of Taiwan. These isolates were aerobic, thermophilic, halotolerant, pink-pigmented, heterotrophic and resistant to gamma-radiation. Both pleomorphic, short, rod-shaped cells and coccoid cells were observed. Strains LS-286 (=ATCC BAA-452=BCRC 17198) and LS-293T (=ATCC BAA-406T =BCRC 17173T) represented a novel species of the genus Rubrobacter, according to a phylogenetic analysis of the 16S rRNA gene, DNA-DNA hybridization, biochemical features and fatty acid composition. The name Rubrobacter taiwanensis sp. nov. is proposed for this novel species, with LS-293T as the type strain.

Original languageEnglish
Pages (from-to)1849-1855
Number of pages7
JournalInternational Journal of Systematic and Evolutionary Microbiology
Volume54
Issue number5
DOIs
Publication statusPublished - Sep 1 2004
Externally publishedYes

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ASJC Scopus subject areas

  • Microbiology
  • Ecology, Evolution, Behavior and Systematics

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