蔬菜Issue(2)：62-73,12.DOI:10.26924/j.cnki.sczz.2026.2005
辣椒低温抗性分子机制解析
Analysis of the Molecular Mechanism of Low Temperature Resistance in Capsicum annuum L.
摘要
Abstract
Pepper is an important global economic crop,and its production is often constrained by low-temperature stress.Low temperatures can damage cellular structures,inhibit photosynthesis,and disrupt reproductive growth in pepper plants,leading to reduced yield and quality.Therefore,enhancing cold tolerance has become a key objective in breeding programs.This article systematically reviews the molecular and physiological mechanisms underlying pepper's response to low-temperature stress.First,the perception of low-temperature signals begins with cell membrane phase transitions,which are transmitted through second messengers such as Ca2+,reactive oxygen species(ROS)and nitric oxide(NO),as well as the mitogen-activated protein kinase(MAPK)cascade,and are regulated by hormones such as abscisic acid(ABA)and jasmonic acid(JA).Physiological responses include the protection of membrane systems,accumulation of osmotic adjustment substances,activation of antioxidant systems,and adjustments in photosynthetic and energy metabolism.At the molecular level,the regulatory network involves transcription factors such as AP2/ERF,NAC,MYB and bHLH,as well as functional proteins like dehydrins and aquaporins.The article further highlights the current limitations in research,including incomplete elucidation of core regulatory networks,insufficient understanding of epigenetic mechanisms,unclear molecular regulation of key metabolic pathways and challenges in functional validation platforms.It proposes that future studies should focus on integrating multi-omics technologies to construct dynamic regulatory networks,advancing modular gene editing and molecular design breeding,and strengthening research on complex field-level environmental interactions and stage-specific responses.These efforts aim to provide theoretical foundations and technical strategies for a deeper understanding of pepper cold tolerance and the breeding of cold-resistant varieties.关键词
辣椒/低温胁迫/信号转导/生理响应/转录调控/功能蛋白/调控网络/抗冷育种Key words
Capsicum annuum L./low temperature stress/signal transduction/physiological response/transcriptional regulation/functional protein/regulatory network/cold tolerance breeding分类
农业科技引用本文复制引用
王千怡,苏艺芃,郭宇琦,张华锋,陈儒钢..辣椒低温抗性分子机制解析[J].蔬菜,2026,(2):62-73,12.基金项目
国家自然科学基金项目(32172582) （32172582）
国家自然科学基金区域联合重点项目(U24A20420) （U24A20420）
陕西省重点研发计划项目(2024NC-YBXM-045). （2024NC-YBXM-045）
