四川农业大学学报2026，Vol.44Issue(3)：693-700,8.DOI:10.16036/j.issn.1000-2650.202508658
H2S对气孔发育相关转录因子的调节作用
Hydrogen Sulfide Modulates Key Transcription Factors Controlling Stomatal Development
摘要
Abstract
[Objective]The gasotransmitter hydrogen sulfide(H2S)is well-documented in modulating stomatal movement,yet its involvement in stomatal development remains elusive.This study aims to elu-cidate the mechanistic impact of H2S signaling on stomatal development.[Method]Using Arabidopsis thaliana Col-0,the H2S-deficient double mutant lcd/des1,and the stomatal master regulator mutant spch,we combined genetic and pharmacological approaches to systematically evaluate the role of H2S in stomatal development under water-deficit conditions.[Result]Exogenous H2S significantly increased stomatal density in newly emerged leaves of drought-stressed plants.Transcript analysis revealed that the mRNA levels of the core stomatal transcription factors FAMA,MUTE and SPCH responded specifically to H2S.Biochemical assays further demonstrated that FAMA and MUTE undergo H2S-mediated persulfidation,a post-translational modification that markedly enhances their protein stability.[Conclusion]H2S regulates stomatal development through a dual mechanism that integrates transcrip-tional control and persulfidation dependent stabilization of key transcription factors.关键词
hydrogen sulfide/gasotransmitters/stomatal development/transcription factors/persulfidationKey words
hydrogen sulfide/gasotransmitters/stomatal development/transcription factors/persulfidation分类
农业科技引用本文复制引用
赵雨歌,杜慧慧,裴雁曦,金竹萍..H2S对气孔发育相关转录因子的调节作用[J].四川农业大学学报,2026,44(3):693-700,8.基金项目
国家自然科学基金(32172550). （32172550）
