Diversity of rhizosphere microbial communities in different rice varieties and their diverse adaptive responses to saline and alkaline stress

文献类型： 外文期刊

第一作者： Zhong, Yu

作者： Zhong, Yu;Wu, Tao;Fan, Wenbo;Su, Haoyu;Li, Ruoyu;Jiang, Wenzhu;Du, Xinglin;Ma, Ziming;Chi, Hai;Ma, Ziming

作者机构：

关键词： saline stress; alkaline stress; rice; rhizosphere microbiota; metagenomic analysis

期刊名称：FRONTIERS IN MICROBIOLOGY （ 影响因子：4.5； 五年影响因子：5.2 ）

ISSN：

年卷期： 2025 年 16 卷

页码：

收录情况： SCI

摘要： Rice rhizosphere microbiota plays a crucial role in crop yield and abiotic stress tolerance. However, little is known about how the composition and function of rhizosphere soil microbial communities respond to soil salinity, alkalinity, and rice variety in rice paddy ecosystems. In this study, we analyzed the composition and function of rhizosphere soil microbial communities associated with two rice varieties (Jida177 and Tongxi933) cultivated in soils with different levels of salinity-alkalinity in Northeast China using a metagenomics approach. Our results indicate that the rhizospheres of Jida177 and Tongxi933 rice varieties harbor distinct microbial communities, and these microbial communities are differentiated based on both soil salinity-alkalinity and rice varieties. Furthermore, the observed differences in rice yield and grain quality between the Jida177 and Tongxi933 rice varieties suggest that these changes may be attributed to alterations in the rhizosphere microbiome under varying salinity conditions. These findings may pave the way for more efficient soil management and deeper understanding of the potential effects of soil salinization on the rice rhizosphere system.

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