Sabulicella glaciei sp. nov., Isolated from Glacier, and Reclassification of Roseomonas rubea, Roseomonas ponticola and Roseomonas oleicola as Neoroseomonas rubea comb. nov., Falsiroseomonas ponticola comb. nov. and Falsiroseomonas oleicola comb. nov.

Curr Microbiol

China General Microbiological Culture Collection Center, Institute of Microbiology, Chinese Academy of Sciences, No. 1 West Beichen Road, Chaoyang District, Beijing, 100101, People's Republic of China.

Published: September 2024

A Gram-stain-negative, short rod-shaped strain, MDT2-1-1, was isolated from cryoconite samples collected from the Midui glacier in Tibet, China. It grew aerobically from 7 to 40 °C, within a pH range of 6.0-10.0, and in NaCl concentration of 0 to 1.0% (w/v). The pairwise 16S rRNA gene sequence similarity, average nucleotide identity and digital DNA-DNA hybridization values between strains MDT2-1-1 and Sabulicella rubraurantiaca SYSU D01096 were 99.4%, 89.7% and 38.9%, respectively. Considering the results from phylogeny, phenotypic and genotypic data, strain MDT2-1-1 (=CGMCC 1.11170 = NBRC 110485) was suggested to represent a novel species of the genus Sabulicella, for which the name Sabulicella glaciei sp. nov. is proposed. Furthermore, based on the phylogenomic analysis, it is recommended that Roseomonas rubea, Roseomonas ponticola and Roseomonas oleicola be reclassified as Neoroseomonas rubea comb. nov., Falsiroseomonas ponticola comb. nov. and Falsiroseomonas oleicola comb. nov., respectively. Considering the illegitimate status of the genera names Pararoseomonas and Pseudoroseomonas, the species within the genera Pararoseomonas and Pseudoroseomonas should be transferred to Muricoccus and Teichococcus, respectively. Therefore, we proposed the following new combinations: Muricoccus aeriglobus comb. nov., Muricoccus aerilatus comb. nov., Muricoccus harenae comb. nov., Muricoccus nepalensis comb. nov., Muricoccus pecuniae comb. nov., Muricoccus radiodurans comb. nov., Muricoccus vinaceus comb. nov., Teichococcus aerofrigidensis comb. nov., Teichococcus aerophilus comb. nov., Teichococcus aestuarii comb. nov., Teichococcus cervicalis comb. nov., Teichococcus coralli comb. nov., Teichococcus deserti comb. nov., Teichococcus globiformis comb. nov., Teichococcus hibiscisoli comb. nov., Teichococcus musae comb. nov., Teichococcus oryzae comb. nov., Teichococcus rhizosphaerae comb. nov., Teichococcus ruber comb. nov., Teichococcus suffuscus comb. nov., Teichococcus vastitatis comb. nov., and Teichococcus wenyumeiae comb. nov.

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http://dx.doi.org/10.1007/s00284-024-03877-5DOI Listing

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