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Acta Horticulturae Sinica ›› 2023, Vol. 50 ›› Issue (4): 896-908.doi: 10.16420/j.issn.0513-353x.2022-0102

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Advances in the Functional Studies of MYC2 Transcription Factor in Plants

ZHENG Jiarui, YANG Xiaoyan, YE Jiabao, LIAO Yongling(), XU Feng()   

  1. College of Horticulture and Gardening,Yangtze University,Jingzhou,Hubei 434025,China

Abstract:

MYC2(Myelocytomatosis proteins 2),a transcription factor in the bHLH family,is the main regulator in JA signaling. MYC2 participates in life activities such as stress defense,growth and development,and secondary metabolism by regulating the transcription and expression of downstream target genes. As a secondary regulator of JA signaling,MYC3/4 can cooperate with MYC2. At present,the functional mechanism of MYC2 has been studied deeply and extensively. This paper summarizes the structural characteristics of MYC2 and its regulatory mechanisms in plant hormone signaling,stress defense,growth and development,and secondary metabolism,providing a theoretical basis for further investigation molecular functions of MYC2.

Key words: MYC2 transcription factor, signal transduction, adverse stress, growth and development, secondary metabolism

CLC Number: