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Bacillus litorisediminis sp. nov., a Thermophilic Bacterium Isolated from Mangrove Sediment

文献类型： 外文期刊

作者： Tang, Rong 1 ; Yang, Shang 1 ; Han, Shuang 1 ; Xie, Cheng-Jie 1 ; Huang, Guan-Min 3 ; Rao, Manik Prabhu Narsing 4 ; Liu, Guo-Hong 2 ; Zhou, Shun-Gui 1 ;

作者机构： 1.Fujian Agr & Forestry Univ, Coll Resources & Environm, Fujian Prov Key Lab Soil Environm Hlth & Regulat, Fuzhou 350002, Fujian, Peoples R China

2.Fujian Acad Agr Sci, Agr Bioresources Res Inst, Fuzhou 350003, Fujian, Peoples R China

3.Adm Bur Zhangjiang Estuary Mangrove, Yunxiao 363300, Fujian, Peoples R China

4.Univ Autonoma Chile, Programa Doctorado Ciencias Aplicadas, Talca 3460000, Chile

期刊名称：CURRENT MICROBIOLOGY （ 影响因子：2.6； 五年影响因子：2.6 ）

ISSN： 0343-8651

年卷期： 2023 年 80 卷 2 期

页码：

收录情况： SCI

摘要： Two aerobic, Gram-staining-positive, rod-shaped, endospore-forming, thermophilic bacterial strains, designated FJAT-47801(T) and FJAT-47835, were isolated from the sediment collected from Zhangjiang Estuary Mangrove National Nature Reserve in Fujian Province, China. Growth was observed at 25-55 degrees C (optimum, 50 degrees C) and pH 7.0-9.0 (optimum, pH 7.0), with up to 4.0% (w/v) NaCl (optimum, without NaCl). Strains FJAT-47801(T) and FJAT-47835 showed the highest 16S rRNA gene sequence similarity to Bacillus oleivorans (98.5%). The 16S rRNA gene sequence similarity between FJAT-47801(T) and FJAT-47835 was 99.9% indicating they were the same species. Phylogenetic (based on 16S rRNA gene sequences) and phylogenomic (based on 120 conserved bacterial single-copy genes) trees showed that strains FJAT-47801(T) and FJAT-47835 should be affiliated to the genus Bacillus. The of menaquinone of strain FJAT-47801(T) was MK-7. The major fatty acids of strain FJAT-47801(T) were iso-C-15:0, anteiso-C-15:0, iso-C-17:0, and C-16:0. The major polar lipids strain FJAT-47801(T) were phosphatidylethanolamine (PE), diphosphatidylglycerol (DPG), and phosphatidylglycerol (PG). The genomic DNA G+C content of strain FJAT-47801(T) was 39.3%. The average nucleotide identity (84.3%) and the digital DNA-DNA hybridization value (28.1%) between strain FJAT-47801(T) and B. oleivorans CCTCC AB 2013353(T) were below the cut-off level for species delineation. Based on the above results, strain FJAT-47801(T) represents a novel species of the genus Bacillus, for which the name Bacillus litorisediminis sp. nov., is proposed. The type strain is FJAT-47801(T) (=GDMCC 1.2712(T) = JCM 34875(T)).

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