Genome-based taxonomy and functional prediction of Sphingomonas fuzhouensis sp. nov. and Massilia phyllosphaerae sp. nov. isolated from Pennisetum sp. with plant growth-promoting potential

文献类型： 外文期刊

第一作者： Yao, Ling

作者： Yao, Ling;Zhang, Shu-Yi;Gao, Peng;Rensing, Christopher;Yang, Qiu-E;Zhou, Shun-Gui;Liu, Guo-Hong

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关键词： Sphingomonas fuzhouensis sp. nov.; Massilia phyllosphaerae sp. nov.; Polyphasic taxonomy; Plant growth-promoting

期刊名称：ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY （ 影响因子：1.8； 五年影响因子：2.3 ）

ISSN： 0003-6072

年卷期： 2025 年 118 卷 1 期

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收录情况： SCI

摘要： Two facultatively aerobic strains, designated SGZ-02(T) and SGZ-792(T), were isolated from plant Pennisetum sp., exhibiting the highest 16S rRNA gene sequence similarities with the type strains of Sphingomonas zeae LMG 28739(T) (98.6%) and Massilia forsythiae NBRC 114511(T) (98.4%), respectively. SGZ-02(T) grew between 5 and 45 degrees C, pH 5.0-11.0 and tolerated NaCl concentrations of 0-4% (w/v), whereas SGZ-792(T) thrived at 5-40 degrees C, pH 5.0-11.0 and NaCl tolerance to 0-3.5% (w/v). The major quinone of SGZ-02(T) was ubiquinone-10, with the dominant fatty acids being C-16:0 (13.5%), Summed Feature 3 (6.3%), C-14:02-OH (5.3%) and Summed Feature 8 (66.3%). SGZ-792(T) predominantly contained ubiquinone-8, with major fatty acids being C-16:0 (20.3%), Summed Feature 3 (5.0%) and Summed Feature 8 (54.7%). Average nucleotide identity and digital DNA-DNA hybridization values between two strains and their closest references strains were below the bacterial species threshold. Based on genotypic and phenotypic characteristics, strains SGZ-02(T) and SGZ-792(T) are proposed as novel species within the genera Sphingomonas and Massilia, respectively. The suggested names for the new species are Sphingomonas fuzhouensis sp. nov. (SGZ-02(T) = GDMCC 1.4033(T) = JCM 36769(T)) and Massilia phyllosphaerae sp. nov. (SGZ-792(T) = GDMCC 1.4211(T) = JCM 36643(T)), respectively.

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