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Letter to the Editor|06 Apr 2026|OPEN
Genome and machine learning analyses reveal 500-bp promoter chromatin accessibility as a key regulator of gene expression and catechin biosynthesis in Camellia sinensis 
Yuan Gao1 ,† , Wenmin Fan2 ,† , Wenlong Lei2 ,† , Yibing Chen3 , Xueli Liao1 , Yezi Xiao2 , Lanying Li1 , Xiaomei Lei2 , Wanjun Gao1 , Yingao Zhang2 , Hongyan Deng2 , Jiawei Yan2 , Zongjie Wu2 , Chen Liang2 , Xinru Hou2 , Youben Yu2 , Fan Luo1 , , Pengjie Wang2 , and Dongna Liu,1 ,
1Tea Research Institute, Tea Resources Utilization and Quality Testing Key Laboratory of Sichuan Province, Sichuan Academy of Agricultural Sciences, Chengdu 610066, China
2College of Horticulture, Northwest A&F University, Xianyang 712199, China
3College of Information Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
*Corresponding author. E-mail: luofan@scsaas.cn,wpjtea@nwafu.edu.cn,ldn4618@scsaas.cn
†Yuan Gao,Wenmin Fan and Wenlong Lei contributed equally to the study.

Horticulture Research 13,
Article number: uhag129 (2026)
doi: https://doi.org/10.1093/hr/uhag129
Views: 100

Received: 02 Dec 2025
Accepted: 19 Mar 2026
Published online: 06 Apr 2026

Abstract