Comparative genomic and transcriptomic analyses provide new insight into symbiotic host specificity

文献类型： 外文期刊

第一作者： Yuan, Songli

作者： Yuan, Songli;Leng, Piao;Jin, Fuxiao;Zhang, Hui;Zhang, Chanjuan;Huang, Yi;Shan, Zhihui;Yang, Zhonglu;Hao, Qingnan;Chen, Shuilian;Chen, Limiao;Cao, Dong;Guo, Wei;Yang, Hongli;Chen, Haifeng;Zhou, Xinan;Feng, Yong

作者机构：

期刊名称：ISCIENCE （ 影响因子：4.6； 五年影响因子：5.0 ）

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年卷期： 2024 年 27 卷 7 期

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收录情况： SCI

摘要： Host specificity plays important roles in expanding the host range of rhizobia, while the genetic information responsible for host specificity remains largely unexplored. In this report, the roots of four symbiotic systems with notable different symbiotic phenotypes and the control were studied at four different post- inoculation time points by RNA sequencning (RNA-seq). The differentially expressed genes (DEGs) were divided into "found only in soybean or Lotus,""only expressed in soybean or Lotus,"and "expressed in both hosts"according to the comparative genomic analysis. The distributions of enriched function ontology (GO) terms and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways vary significantly in different symbiotic systems. Host specific genes account for the majority of the DEGs involved in response to stimulus, associated with plant-pathogen interaction pathways, and encoding resistance (R) proteins, the symbiotic nitrogen fixation (SNF) proteins and the target proteins in the SNF-related modules. Our findings provided molecular candidates for better understanding the mechanisms of symbiotic host-specificity.

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