Description of Cytobacillus Mangrovibacter sp. nov., and Cytobacillus Spartinae sp. nov., Isolated from Mangrove Sediment

文献类型： 外文期刊

第一作者： Shi, Huai

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

作者机构：

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： 2025 年 82 卷 5 期

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收录情况： SCI

摘要： Two Gram-stain-positive, aerobic, rod-shaped, and motile strains FJAT-53684 T and FJAT-54145 T were isolated from the mangrove sediment. They optimally grew at pH 8.0 and could tolerate NaCl up to 5% (w/v). The optimum temperature for growth of strains FJAT-53684 T and FJAT-54145 T were 35 and 40 degrees C, respectively. The 16S rRNA gene sequence similarity between FJAT-53684 T and FJAT-54145 T was 97.1%. Both strains showed the highest 16S rRNA gene sequence similarity to the Cytobacillus species. Menaquinone-7 was the only respiratory quinone present in both strains. The major fatty acids (>= 10%) in strain FJAT-53684 T were iso-C14:0, anteiso-C15:0, iso-C15:0, and iso-C19:0, while strain FJAT-54145 T consist of iso-C14:0, iso-C15:0, iso-C19:0, iso-C16:0, and C16:1 omega 7c alcohol. The polar lipids present in both strains were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, unidentified lipid, unidentified phospholipid, and phosphatidylinositol. Their average nucleotide identity and digital DNA-DNA hybridization values were below the threshold values (95% and 70%, respectively) for species delineation. Based on the above results, strains FJAT-53684 T and FJAT-54145 T represent two novel species of the genus Cytobacillus, for which the names Cytobacillus mangrovibacter sp. nov., and Cytobacillus spartinae sp. nov., are proposed. The type strains are FJAT-53684 T (= JCM 35618 T = GDMCC 1.3071 T), and FJAT-54145 T (= JCM 35621 T = GDMCC 1.3079 T).

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