Regulation of Maize Starch: Research Progress

doi:10.11924/j.issn.1000-6850.casb2021-0133

Abstract

Abstract:

To well understand the function of key enzymes and regulatory mechanism in starch synthesis, we reviewed the starch structure, starch synthesis process, expression profiles and functional mechanism of transcription factors for starch synthesis, including DOF family, NAC family, MYB family, bZIP family, MADS-BOX and AP2/EREB family. Researches show that most of the transcription factors are expressed in maize endosperm, and a few are expressed in maize leaves. Furthermore, these transcription factors could regulate starch synthesis by binding to the promoters of starch syntheses encoding genes and key regulatory genes to affect their expression. In addition, sucrose/ABA and sucrose/IAA with transcription factors also coordinately regulate the starch synthesis. Collectively, this research will not only enrich the knowledge of the regulating mechanism in maize starch synthesis, but also supply reference for breeding new maize varieties.

Key words: maize, starch, biosynthesis, expression, function

CLC Number:

S330

Du Ming, Fang Yu, Li Qianlong, Kang Yunhai, Wang Hui, Zhang Conghe. Regulation of Maize Starch: Research Progress[J]. Chinese Agricultural Science Bulletin, 2021, 37(33): 8-14.

Figures/Tables 3

References 55

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