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Acta Horticulturae Sinica ›› 2023, Vol. 50 ›› Issue (1): 197-208.doi: 10.16420/j.issn.0513-353x.2021-1130

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Advances in Research of DNA Methylation Regulation During Fruit Ripening

SHAO Fengqing1, LUO Xiurong1, WANG Qi1, ZHANG Xianzhi2, WANG Wencai1,*()   

  1. 1Science and Technology Innovation Center,Guangzhou University of Chinese Medicine,Institute of Clinical Pharmacology,Guangzhou University of Chinese Medicine,Guangzhou 510405,China
    2College of Horticulture and Landscape Architecture,Zhongkai University of Agriculture and Engineering,Guangzhou 510225,China
  • Received:2022-06-10 Revised:2022-09-28 Online:2023-01-25 Published:2023-01-18
  • Contact: *(E-mail:wencaiwang@gzucm.edu.cn

Abstract:

DNA methylation is an important epigenetic modification,playing critical roles during fruit ripening. Here we reviewed the changes and mechanism of DNA methylation during fruit ripening in different fruits. Based on previous studies,it was found that the total DNA methylation level in most fruits decreases during the ripening process while the overall DNA methylation increases in a few other fruits. In addition,specific genes,especially those related to ripening,undergo demethylation under the regulation of demethylase,which further affects fruit ripening. In general,the mechanism that causes DNA methylation alternations during fruit ripening is comprehensively regulated by methylase,demethylase and plant specific RdDM pathway. This work provides important theoretical reference for the epigenetic regulation mechanism of fruit ripening,and feasible suggestions are proposed for future work.

Key words: fruit, ripening, DNA methylation, epigenetic regulation

CLC Number: