Cellulomonas triticagri sp. nov., isolated from the rhizosphere soil of wheat (Triticum aestivum L.)

文献类型： 外文期刊

第一作者： Han, Chuanyu

作者： Han, Chuanyu;Zhu, Chunyu;Han, Chuanyu;Zhang, Yuting;Yu, Bing;Shan, Qiqi;Zhao, Junwei;Shi, Haoran;Tian, Yuanyuan;Zhang, Yan;Xiang, Wensheng;Shi, Haoran;Xiang, Wensheng

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关键词： Cellulomonas triticagri sp; nov; Polyphasic taxonomy; 16S rRNA gene; Genome

期刊名称：ARCHIVES OF MICROBIOLOGY （ 影响因子：2.667； 五年影响因子：2.729 ）

ISSN： 0302-8933

年卷期： 2022 年 204 卷 7 期

页码：

收录情况： SCI

摘要： A Gram-positive, motile, rod-shaped and lignin-degrading novel actinomycete, designated strain NEAU-YY56(T), was isolated from the rhizosphere soil of wheat (Triticum aestivum L.) collected from Zhumadian, Henan Province, Central China and characterized using a polyphasic approach. Phylogenetic analysis based on the 16S rRNA gene sequence indicated that strain NEAU-YY56(T) belonged to the genus Cellulomonas and exhibited 16S rRNA gene sequence similarities of 98.7, 98.2 and 98.1% to Cellulomonas pakistanensis JCM 18755(T), Cellulomonas denverensis JCM 14733(T) and Cellulomonas hominis JCM 12133(T), respectively. The whole-cell sugars were glucose, rhamnose and ribose. The peptidoglycan of strain NEAU-YY56(T) contained ornithine and glutamic acid. The phospholipid profile was found to contain diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylinositol mannoside and two unknown glycolipids. The major menaquinone was MK-9(H-4). The major fatty acids (> 5.0%) were identified as anteiso-C-15:0, C-16:0, C-14:0 and anteiso-C-17:0. Meanwhile, DNA G+C content was 74.7%. The morphological and chemotaxonomic properties of strain NEAU-YY56(T) were also confirmed the affiliation of the isolate to the genus Cellulomonas. However, physiological and biochemical characteristics indicated that strain NEAU-YY56(T) can be clearly differentiated from its closest relatives. In addition, the ANI values and dDDH levels between strain NEAU-YY56(T) and related Cellulomonas species were lower than the accepted threshold value. Therefore, it is concluded that strain NEAU-YY56(T) represents a novel species of the genus Cellulomonas, for which the name Cellulomonas triticagri sp. nov. is proposed. The type strain is NEAU-YY56(T) (= DSM 106717(T) = JCM 32550(T)).

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