Description of six novel species Bacillus bruguierae sp. nov., Bacillus kandeliae sp. nov., Bacillus yunxiaonensis sp. nov., Metabacillus rhizosphaerae sp. nov., Metabacillus sediminis sp. nov. and Psychrobacillus mangrovi sp. nov., isolated from mangrove ecosystem

文献类型： 外文期刊

第一作者： Liu, Guo-Hong

作者： Liu, Guo-Hong;Shi, Huai;Chen, Qian-Qian;Rao, Manik Prabhu Narsing;Quadri, Syed Raziuddin;Li, Wen-Jun;Li, Wen-Jun

作者机构：

关键词： mangrove sediment; novel species; polyphasic taxonomy.

期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.0； 五年影响因子：2.2 ）

ISSN： 1466-5026

年卷期： 2025 年 75 卷 1 期

页码：

收录情况： SCI

摘要： Six Gram-stain-positive and rod-shaped strains, designated FJAT-51614(T), FJAT-51639(T), FJAT-52054(T), FJAT-52991(T), FJAT-53654(T) and FJAT-53711(T), were isolated from a mangrove ecosystem. The condition for growth among the strains varied (pH ranging 5.0-11.0 and temperature 15-45 degrees C). These strains showed the highest 16S rRNA gene sequence similarity to the genera Bacillus, Metabacillus and Psychrobacillus. Menaquinone MK-7 (100%) was present in all strains except strain FJAT-51614(T), which contained MK-7 (32%) and MK-8 (68%). The major fatty acids (>10%) in strains FJAT-52054(T) and FJAT-51614(T) were anteiso-C-15 : 0 and iso-C-14 : 0. The major fatty acid (>10%) in strain FJAT-53654(T) was anteiso-C-15 : 0, while in strain FJAT-51639(T) were iso-C-15 : 0 and iso-C-17 : 0. The major fatty acids in strains FJAT-52991(T) and FJAT-53711(T) were iso-C-15 : 0 and iso-C-16 : 0. The major polar lipids in strains FJAT-51639(T), FJAT-52991(T) and FJAT-51614(T) were diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine, while strains FJAT-53711(T), FJAT-52054(T) and FJAT-53654(T) consist of diphosphatidylglycerol and phosphatidylglycerol. The genome-relatedness values among the present study strains and the closest species were below the recognized cutoff levels for species delineation. The polyphasic analysis comparison results represent six strains as novel species for which the names Bacillus bruguierae sp. nov. (FJAT-51639(T)=GDMCC 1.3073(T)=JCM 35615(T)), Bacillus kandeliae sp. nov. (FJAT-52991(T)=GDMCC 1.3069(T)=JCM 35619(T)), Bacillus yunxiaonensis sp. nov. (FJAT-53711(T)=GDMCC 1.3068(T)=JCM 35616(T)), Metabacillus rhizosphaerae sp. nov. (FJAT-53654(T)=GDMCC 1.3075(T)=JCM 35614(T)), Metabacillus sediminis sp. nov. (FJAT-52054(T)=GDMCC 1.3074(T)=JCM 35620(T)) and Psychrobacillus mangrovi sp. nov. (FJAT-51614(T)=GDMCC 1.3072(T)=JCM35478(T)) are proposed.

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