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Fundidesulfovibrio agrisoli sp. nov., A Nitrogen-Fixing Bacterium Isolated from Rice Field

文献类型： 外文期刊

作者： Yang, Shang 1 ; Tang, Rong 3 ; Han, Shuang 1 ; Xie, Cheng-Jie 1 ; Rao, Manik Prabhu Narsing 1 ; 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 City 350002, Fujian Province, Peoples R China

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

3.Guangdong Univ Technol, Inst Environm Hlth & Pollut Control, Sch Environm Sci & Engn, Guangdong Key Lab Environm Catalysis & Hlth Risk C, Guangzhou 510006, Peoples R China

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： A strictly anaerobic nitrogen-fixing strain, designated SG106(T), was isolated from rice field. The 16S rRNA gene sequence analysis showed that strain SG106(T) was closely related to the type strain of Fundidesulfovibrio magnetotacticus (97.3%). In phylogenetic (based on 16S rRNA gene sequences) and phylogenomic (constructed using a concatenated alignment of 117 conserved bacterial single-copy genes with GTDB-Tk) trees, strain SG106(T) clustered with members of the genus Fundidesulfovibrio. Strain SG106(T) grew at 20-40 ? and 0-0.4% (w/v) NaCl. Desulfoviridin was found in the strain SG106(T). The genomic DNA G + C content of strain SG106(T) was 66.0%. The average nucleotide identity (ANI) and digital DNA-DNA hybridization (dDDH) values between strain SG106(T) and the closely related F. magnetotacticus were 78.4% and 21.7%, respectively. Genome analysis showed that strain SG106(T) encodes genes for nitrogen fixation (nifHDK). Acetylene reduction experiments showed that the nitrogenase activity of strain SG106(T) could reach 224.7 mu mol C2H4 g(-1) protein h(-1). Based on the above results, strain SG106(T) represents a novel species of the genus Fundidesulfovibrio, for which the name Fundidesulfovibrio agrisoli sp. nov. is proposed. The type strain is SG106(T) (= GDMCC 1.3136(T) = JCM 35588(T)).

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