Deciphering Differences in Microbial Community Diversity between Clubroot-Diseased and Healthy Soils

文献类型： 外文期刊

第一作者： Kang, Huajun

作者： Kang, Huajun;Xie, Jianming;Kang, Huajun;Chai, Ali;Lin, Zihan;Shi, Yanxia;Xie, Xuewen;Li, Lei;Fan, Tengfei;Xiang, Sheng;Li, Baoju

作者机构：

关键词： clubroot disease; soil chemical properties; soil microbiomes; microbial community diversity; microbial network

期刊名称：MICROORGANISMS （ 影响因子：4.5； 五年影响因子：4.8 ）

ISSN：

年卷期： 2024 年 12 卷 2 期

页码：

收录情况： SCI

摘要： Clubroot (Plasmodiophora brassicae) is an important soilborne disease that causes severe damage to cruciferous crops in China. This study aims to compare the differences in chemical properties and microbiomes between healthy and clubroot-diseased soils. To reveal the difference, we measured soil chemical properties and microbial communities by sequencing 18S and 16S rRNA amplicons. The available potassium in the diseased soils was higher than in the healthy soils. The fungal diversity in the healthy soils was significantly higher than in the diseased soils. Ascomycota and Proteobacteria were the most dominant fungal phylum and bacteria phylum in all soil samples, respectively. Plant-beneficial microorganisms, such as Chaetomium and Sphingomonas, were more abundant in the healthy soils than in the diseased soils. Co-occurrence network analysis found that the healthy soil networks were more complex and stable than the diseased soils. The link number, network density, and clustering coefficient of the healthy soil networks were higher than those of the diseased soil networks. Our results indicate that the microbial community diversity and network structure of the clubroot-diseased soils were different from those of the healthy soils. This study is of great significance in exploring the biological control strategies of clubroot disease.

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