Clostridium prolinivorans sp. nov., a thermophilic bacterium isolated from an anaerobic reactor degrading propionate
Huang, Yan and Wei, Zhixian and Cong, Lulu and Qiu, Zhongwei and Chen, Rui and Deng, Yu and Zhang, Yinggang and Fan, Hui and Ma, Shichun,, 70, 5190-5196 (2020),
doi = https://doi.org/10.1099/ijsem.0.003523,
publicationName = Microbiology Society,
issn = 1466-5026,
abstract= An anaerobic, Gram-stain-positive, spore-forming bacterium, designated strain PYR-10T, was isolated from a mesophilic methanogenic consortium. Cells were 0.7–1.2×6.0–6.3 µm, straight or slightly curved rods, with flagellar motility. Growth was observed in PYG (peptone-yeast glucose) medium at pH 5.5–8.0 (optimum, pH 6.5), 30–55 °C (45 °C) and in NaCl concentrations of 0–15 g l−1 (0 g l−1). Phylogenetic analysis based on the 16S rRNA gene sequence indicated that strain PYR-10T belongs to the genus Clostridium . The strain showed 95.4, 93.7, 93.5 and 93.0 % 16S rRNA gene sequence similarity to Clostridium swellfunianum DSM 27788T, Clostridium pascui DSM 10365T, Clostridium pasteurianum DSM 525T and Clostridium punense DSM 28650T, respectively. The genomic DNA G+C content was 27.7 mol%. The major cellular fatty acids of strain PYR-10T were iso-C15 : 0, C16 : 0, C16 : 0 DMA, anteiso-C15 : 0 and C14 : 0. The main polar lipids were glycolipid, phosphoaminoglycolipid, diphosphatidylglycerol, phosphatidylglycerol, phospholipids, phosphatidylethanolamine and lipids. An unknown menaquinone was detected. 2,6-Diaminopimelic acid was not detected. The whole-cell sugars contained ribose and lower amounts of glucose. Based on the results of phylogenetic, chemotaxonomic and phenotypic analyses, strain PYR-10T represents a novel species of the genus Clostridium , for which the name Clostridium prolinivorans sp. nov. is proposed. The type strain is strain PYR-10T (=JCM 33161T=CCAM 531T=CGMCC 1.5286T).,
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