Transcriptome and metabolome analyses reveal new insights into chlorophyll, photosynthesis, metal ion and phenylpropanoids related pathways during sugarcane ratoon chlorosis

文献类型： 外文期刊

第一作者： Luo, Ting

作者： Luo, Ting;Zhou, Zhongfeng;Deng, Yuchi;Fan, Yegeng;Qiu, Lihang;Chen, Rongfa;Yan, Haifeng;Zhou, Huiwen;Lakshmanan, Prakash;Wu, Jianming;Luo, Ting;Zhou, Zhongfeng;Deng, Yuchi;Fan, Yegeng;Qiu, Lihang;Chen, Rongfa;Yan, Haifeng;Zhou, Huiwen;Wu, Jianming;Luo, Ting;Zhou, Zhongfeng;Deng, Yuchi;Fan, Yegeng;Qiu, Lihang;Chen, Rongfa;Yan, Haifeng;Zhou, Huiwen;Wu, Jianming;Luo, Ting;Zhou, Zhongfeng;Deng, Yuchi;Fan, Yegeng;Qiu, Lihang;Chen, Rongfa;Yan, Haifeng;Zhou, Huiwen;Wu, Jianming;Lakshmanan, Prakash;Lakshmanan, Prakash;Chen, Qi

作者机构：

关键词： Ratoon sugarcane chlorosis; Chlorophyll metabolism; Photosynthesis; Metal ion metabolism; Phenylpropanoids biosynthesis

期刊名称：BMC PLANT BIOLOGY （ 影响因子：5.26； 五年影响因子：5.761 ）

ISSN： 1471-2229

年卷期： 2022 年 22 卷 1 期

页码：

收录情况： SCI

摘要： Background Ratoon sugarcane is susceptible to chlorosis, characterized by chlorophyll loss, poor growth, and a multitude of nutritional deficiency mainly occurring at young stage. Chlorosis would significantly reduce the cane production. The molecular mechanism underlying this phenomenon remains unknown. We analyzed the transcriptome and metabolome of chlorotic and non-chlorotic sugarcane leaves of the same age from the same field to gain molecular insights into this phenomenon. Results The agronomic traits, such as plant height and the number of leaf, stalk node, and tillers declined in chlorotic sugarcane. Chlorotic leaves had substantially lower chlorophyll content than green leaves. A total of 11,776 differentially expressed genes (DEGs) were discovered in transcriptome analysis. In the KEGG enriched chlorophyll metabolism pathway, sixteen DEGs were found, eleven of which were down-regulated. Two photosynthesis pathways were also enriched with 32 genes downregulated and four genes up-regulated. Among the 81 enriched GO biological processes, there were four categories related to metal ion homeostasis and three related to metal ion transport. Approximately 400 metabolites were identified in metabolome analysis. The thirteen differentially expressed metabolites (DEMs) were all found down-regulated. The phenylpropanoid biosynthesis pathway was enriched in DEGs and DEMs, indicating a potentially vital role for phenylpropanoids in chlorosis. Conclusions Chlorophyll production, metal ion metabolism, photosynthesis, and some metabolites in the phenylpropanoid biosynthesis pathway were considerably altered in chlorotic ratoon sugarcane leaves. Our finding revealed the relation between chlorosis and these pathways, which will help expand our mechanistic understanding of ratoon sugarcane chlorosis.

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[1]Transcriptome and metabolome analyses reveal new insights into chlorophyll, photosynthesis, metal ion and phenylpropanoids related pathways during sugarcane ratoon chlorosis. Luo, Ting,Zhou, Zhongfeng,Deng, Yuchi,Fan, Yegeng,Qiu, Lihang,Chen, Rongfa,Yan, Haifeng,Zhou, Huiwen,Lakshmanan, Prakash,Wu, Jianming,Luo, Ting,Zhou, Zhongfeng,Deng, Yuchi,Fan, Yegeng,Qiu, Lihang,Chen, Rongfa,Yan, Haifeng,Zhou, Huiwen,Wu, Jianming,Luo, Ting,Zhou, Zhongfeng,Deng, Yuchi,Fan, Yegeng,Qiu, Lihang,Chen, Rongfa,Yan, Haifeng,Zhou, Huiwen,Wu, Jianming,Luo, Ting,Zhou, Zhongfeng,Deng, Yuchi,Fan, Yegeng,Qiu, Lihang,Chen, Rongfa,Yan, Haifeng,Zhou, Huiwen,Wu, Jianming,Lakshmanan, Prakash,Lakshmanan, Prakash,Chen, Qi. 2022

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