Shujuan Wang , Delong  Wang , Pingping Yang , Shujuan  Wang

Hainan Provincial Key Laboratory of Crop Molecular Breeding, Sanya, 572025, Hainan, China
Author    Correspondence author
Cotton Genomics and Genetics, 2024, Vol. 15, No. 6   
Received: 29 Oct., 2024    Accepted: 07 Nov., 2024    Published: 22 Nov., 2024

This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

This study summarizes the transcriptional regulatory mechanisms involved in cotton fiber growth, focusing on the roles of key transcription factors and their downstream targets, provides a detailed analysis of transcription factors related to fiber initiation, elongation, and secondary cell wall synthesis, including AUX/IAA, bHLH, MYB, NAC, and WRKY, and their functions at different developmental stages. The study demonstrates the close cooperation of hormone signaling, transcription factors, and epigenetic mechanisms in regulating cotton fiber growth and quality. This study discusses the application of RNAi and CRISPR/Cas9 technologies in functional validation of cotton fiber genes, highlighting the potential of gene editing and synthetic biology in fiber trait improvement. This review provides a scientific foundation for understanding the regulatory networks of cotton fiber development and future breeding strategies.

Cotton fiber; Transcriptional regulation; Key transcription factors; Gene editing; Secondary cell wall biosynthesis