DNA and coding/non-coding RNA methylation analysis provide insights into tomato fruit ripening

文献类型： 外文期刊

第一作者： Guo, Susu

作者： Guo, Susu;Zheng, Yanyan;Zhao, Xiaoyan;Sang, Zhaoze;Wang, Qing;Zuo, Jinhua;Guo, Susu;Meng, Demei;Tan, Jinjuan;Deng, Zhiping;Lang, Zhaobo;Zhang, Bo;Bouzayen, Mondher

作者机构：

关键词： cell wall modification; ethylene; plant hormone; non-coding RNAs; DNA (5mC) methylation; RNA (m5C) methylation; tomato fruit; target gene

期刊名称：PLANT JOURNAL （ 影响因子：7.091； 五年影响因子：8.028 ）

ISSN： 0960-7412

年卷期： 2022 年 112 卷 2 期

页码：

收录情况： SCI

摘要： Ripening is the last, irreversible developmental stage during which fruit become palatable, thus promoting seed dispersal by frugivory. In Alisa Craig fruit, mRNAs with increasing m5C levels, such as STPK and WRKY 40, were identified as being involved in response to biotic and abiotic stresses. Furthermore, two mRNAs involved in cell wall metabolism, PG and EXP-B1, also presented increased m5C levels. In the Nr mutant, several m5C-modified mRNAs involved in fruit ripening, including those encoding WRKY and MADS-box proteins, were found. Targets of long non-coding RNAs and circular RNAs with different m5C sites were also found; these targets included 2-alkenal reductase, soluble starch synthase 1, WRKY, MADS-box, and F-box/ketch-repeat protein SKIP11. A combined analysis of changes in 5mC methylation and mRNA revealed many differentially expressed genes with differentially methylated regions encoding transcription factors and key enzymes related to ethylene biosynthesis and signal transduction; these included ERF084, EIN3, AP2/ERF, ACO5, ACS7, EIN3/4, EBF1, MADS-box, AP2/ERF, and ETR1. Taken together, our findings contribute to the global understanding of the mechanisms underlying fruit ripening, thereby providing new information for both fruit and post-harvest behavior.

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