Paenibacillus caui sp. nov., a nitrogen- fixing species isolated from the rhizosphere soil of a peach tree

文献类型： 外文期刊

第一作者： Li, Qin

作者： Li, Qin;Zuo, Yin-zhao;Chen, San-feng;Gao, Miao

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关键词： rhizospheres; nitrogen-fixing bacteria; 16SrRNA phylogeny; Paenibacillus caui

期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.689； 五年影响因子：2.925 ）

ISSN： 1466-5026

年卷期： 2022 年 72 卷 1 期

页码：

收录情况： SCI

摘要： A nitrogen- fixing, endospore- forming, motile, rod- shaped, facultative aerobic bacterium, designated 81- 11T, was isolated from rhizosphere soil of a peach tree collected from Handan, Hebei, PR China. From the comparison of 16S rRNA gene sequence, the strain is most closely related to Paenibacillus phoenicis DSM 27463T (96.9 %) and Paenibacillus faecis DSM 23593T (96.7 %). The genome size of strain 81- 11T was 4.4 Mb, comprising 4879 predicted genes with a DNA G+C content of 50.0 mol%. The average nucleotide identity values of genome sequences between the novel isolate and the type strains of related species P. phoenicis DSM 27463T and P. faecis DSM 23593T were 71.8 and 72.1 %, respectively. The major cellular fatty acids were anteisoC15:0(47.8%), iso-C16: 0 (15.5 %) and iso- C15: 0 (13.0 %). Menaquinone- 7 was the major respiratory quinone. The polar lipids conpolar lipids and unidentified aminophosphoglycolipid. Based on phylogenetic, genomic and phenotypic characteristics, strain 81-11T was classified as a novel species within the genus Paenibacillus, for which the name Paenibacillus caui sp. nov. is proposed. The type strain of Paenibacillus caui is 81- 11T (=JCM 34618T=CGMCC 1.18907T).

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