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Review

Research Progress on the Regulatory Mechanism of the Waxy Gene in Rice Starch Synthesis

by
Fei Chen
,
Yunsheng Song
,
Yi Jiang
,
Penghui Cao
,
Yajie Yu
,
Minghui Dong
,
Yulin Xie
,
Caiyong Yuan
,
Yongliang Zhu
and
Zhongying Qiao
*
Crop Research Department, Institute of Agricultural Science in Taihu Lake District, Suzhou 215106, China
*
Author to whom correspondence should be addressed.
Curr. Issues Mol. Biol. 2025, 47(9), 678; https://doi.org/10.3390/cimb47090678 (registering DOI)
Submission received: 10 June 2025 / Revised: 13 August 2025 / Accepted: 20 August 2025 / Published: 23 August 2025
(This article belongs to the Section Molecular Plant Sciences)
Versions Notes

Abstract

Starch serves as a crucial storage substance in both cereal crops and root/tuber crops, with its composition and properties determining the quality of storage organs. The Waxy (Wx) gene, encoding a key enzyme in starch biosynthesis, plays a pivotal role in this metabolic pathway. However, existing reviews seldom systematically elaborate on Wx gene regulatory mechanisms from the perspective of intrinsic molecular networks. Focusing on the model crop rice, this article synthesizes research advances in Wx-mediated starch biosynthesis regulation over the past decade. We analyze the structural features of the Wx gene and factors influencing its regulatory function during starch synthesis. In conclusion, future research directions are proposed to provide references for Wx gene studies in other crops, as well as theoretical foundations for rice varietal improvement and molecular design breeding.
Keywords: rice; regulatory metabolism; starch synthesis; Waxy; protein structure rice; regulatory metabolism; starch synthesis; Waxy; protein structure

Share and Cite

MDPI and ACS Style

Chen, F.; Song, Y.; Jiang, Y.; Cao, P.; Yu, Y.; Dong, M.; Xie, Y.; Yuan, C.; Zhu, Y.; Qiao, Z. Research Progress on the Regulatory Mechanism of the Waxy Gene in Rice Starch Synthesis. Curr. Issues Mol. Biol. 2025, 47, 678. https://doi.org/10.3390/cimb47090678

AMA Style

Chen F, Song Y, Jiang Y, Cao P, Yu Y, Dong M, Xie Y, Yuan C, Zhu Y, Qiao Z. Research Progress on the Regulatory Mechanism of the Waxy Gene in Rice Starch Synthesis. Current Issues in Molecular Biology. 2025; 47(9):678. https://doi.org/10.3390/cimb47090678

Chicago/Turabian Style

Chen, Fei, Yunsheng Song, Yi Jiang, Penghui Cao, Yajie Yu, Minghui Dong, Yulin Xie, Caiyong Yuan, Yongliang Zhu, and Zhongying Qiao. 2025. "Research Progress on the Regulatory Mechanism of the Waxy Gene in Rice Starch Synthesis" Current Issues in Molecular Biology 47, no. 9: 678. https://doi.org/10.3390/cimb47090678

APA Style

Chen, F., Song, Y., Jiang, Y., Cao, P., Yu, Y., Dong, M., Xie, Y., Yuan, C., Zhu, Y., & Qiao, Z. (2025). Research Progress on the Regulatory Mechanism of the Waxy Gene in Rice Starch Synthesis. Current Issues in Molecular Biology, 47(9), 678. https://doi.org/10.3390/cimb47090678

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