Changes in gene expression levels and chloroplast anatomy induced by Leifsonia xyli subsp. xyli in sugarcane

文献类型： 外文期刊

第一作者： Zhang, Xiaoqiu

作者： Zhang, Xiaoqiu;Song, Xiupeng;Wang, Zeping;Zhang, Baoqing;Lei, Jingchao;Li, Yangrui;Yan, Meixin;Liang, Yongjian

作者机构：

关键词： Sugarcane; ratoon stunt; transcriptomics; gene expression; ultrastructure

期刊名称：JOURNAL OF PLANT INTERACTIONS （ 影响因子：4.208； 五年影响因子：4.344 ）

ISSN： 1742-9145

年卷期： 2021 年 16 卷 1 期

页码：

收录情况： SCI

摘要： Ratoon stunt caused by Leifsonia xyli subsp. xyli (Lxx) is widely spread across sugarcane planting regions. Here, transcriptomics and cytology were conducted to analyze the changes in gene expression levels and chloroplast ultrastructures after Lxx inoculation. A total of 90.26 Gb clean bases, 156,713 unigenes and 406 differentially expressed genes were obtained. The genes of HSP and ACS were continuously differentially expressed. The photosynthesis-related genes of PsbO, PsbQ, PsaD, PsaE, PsaG and PsaH were up-regulated. PIRH2, WRKY, NCED, AHP and GST were identified as the important specific genes that responded to Lxx inoculation. Lxx inoculation also altered the shape and damaged the membrane of chloroplasts in sugarcane leaves. Sugarcane responds to Lxx infection likely via changing the expression levels of some specific genes and interfered with photosynthesis. A possible molecular regulation network induced by Lxx was speculated. These findings broaden the understanding to the mechanisms of the interaction between sugarcane and Lxx.

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