Thermus arciformis sp. nov., a thermophilic species from a geothermal area
Zhang, Xin-Qi and Ying, Yi and Ye, Ying and Xu, Xue-Wei and Zhu, Xu-Fen and Wu, Min,, 60, 834-839 (2010),
doi = https://doi.org/10.1099/ijs.0.007690-0,
publicationName = Microbiology Society,
issn = 1466-5026,
abstract= Two aerobic, Gram-negative, non-motile, non-sporulating, yellow-pigmented bacteria, strains TH92T and TH91, were isolated from a hot spring located in Laibin, Guangxi, in the south-eastern geothermal area of China. The isolates grew at 40–77 °C (optimally at 70 °C) and at pH 6.0–9.5 (optimally at pH 7.5–8.0). Phylogenetic analysis of 16S rRNA gene sequences and levels of DNA–DNA relatedness together indicated that the new isolates represented a novel species of the genus Thermus with closest affinity to Thermus aquaticus, Thermus igniterrae and Thermus thermophilus. Compared with their closest relatives, strains TH92T and TH91 were able to assimilate a wider range of carbohydrates, amino acids and organic acids as sole carbon sources for growth, such as lactose and melibiose. The new isolates had lower combined levels of C16 : 0 and iso-C16 : 0 compared with their closest relatives. On the basis of polyphasic taxonomic characterization, strains TH92T and TH91 are considered to represent a single novel species of the genus Thermus, for which the name Thermus arciformis sp. nov. is proposed. The type strain is TH92T (=CGMCC 1.6992T =JCM 15153T).,
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