Comparative Analysis of Soil Microbial Community Structures in Rhizosphere of Two Texture-Differentiated Lotus Root Varieties
文献类型： 外文期刊
作者： Li, Xinni 1 ; Liang, Qiyue 1 ; Gao, Meiping 2 ; Ou, Yangxiu 2 ; Hu, Yifeng 2 ; Jiang, Wen 2 ; Jiang, Huiping 2 ; Yang, Shangdong 1 ;
作者机构： 1.Guangxi Univ, Natl Demonstrat Ctr Expt Plant Sci Educ, Guangxi Key Lab Agroenvironm & Agroprod Safety, Guangxi Agr Coll, Nanning 530004, Peoples R China
2.Guangxi Acad Agr Sci, Vegetable Res Inst, Nanning 530007, Peoples R China
关键词： lotus root; rhizosphere; microbial compositions; polysaccharides; texture variation
期刊名称：MICROORGANISMS （ 影响因子：4.2； 五年影响因子：4.6 ）
ISSN：
年卷期： 2025 年 13 卷 7 期
页码：
收录情况： SCI
摘要： To investigate the relationship between the rhizosphere microbial community structure and lotus root texture, the biological properties, and the rhizosphere microbial composition of mealy (ML) and crunchy lotus (CL) varieties were all analyzed using traditional and high-throughput sequencing technologies. The results showed that the ML varieties exhibited significantly lower moisture but higher starch contents than those of CL. Meanwhile, the rhizosphere fungal richness of ML was also significantly higher than that of CL. Moreover, the relative abundances of bacterial phyla and genera, such as Nitrospirota, Bacteroidota, Proteobacteria, and Bacillus, alongside fungal phyla and genera, i.e., Ascomycota and Emericellopsis, were enriched in rhizosphere of ML compared to CL. Functional prediction also revealed that elevated nitrogen cycling, polysaccharide degradation and cellulose breakdown functions could be detected in ML, potentially driving starch accumulation and cell wall modification. These results suggest that rhizosphere microbial composition, particularly nitrogen-cycling bacteria and lignocellulose-degrading fungi, may contribute to texture formation between texture-differentiated lotus root varieties.
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