植物逆境信息传递研究进展
91页1、Stress Signaling in Plants 贾文锁 中国农业大学,一 “感知”和“反应” 生物生存和发展的基础,敏感植物,一般植物,Rain,Wind, and Touch-Induced Expression of Calmodulin and Calmodulin-Related Genes in Arabidopsis Cell 60,357-364,1990,二,“刺激/逆境”“反应/应答”,1.形态、解剖,Cluster Roots,2.整体生理,生命周期短命菊,3.细胞生理及生化,(1) 解毒机制 (2)自由基清除 (3)区隔化机制 (4)代谢调控 (5)渗透调节 (6)保水机制 (7)结构避损机制 (8)修复机制,渗透调节,脯氨酸 甜菜碱 山梨醇 海藻糖,保护酶系统与自由基清楚剂 游离的带有不成对电子的分子、原子或离子,区隔化机制,结构避损机制,功能蛋白 代谢调控蛋白 (渗透调控系统,保护酶) Lea 蛋白(Late-Embryogenesis-Abundant Protein) 通道蛋白:离子通道,水通道 热击蛋白:亲水,保护酶活 损伤修复蛋白 调节蛋白 信号
2、蛋白 转录因子,基因,功能蛋白基因 调节蛋白基因,应答反应与伤害反应,三,信号系统与信号组分,Cellular Singling System ?,细胞信号系统,1 Receptor /Sensor 2. Second Messenger 3. Protein Kinase 4. Protein Phosphatase 5. G-protein 6. Transcription Factor 7. Ubiquitination 8. Methylation,Signal Components,(1) Receptor /Sensor?,Receptor tyrosine kinase,细胞内受体,Examples of Phytohormone Recepor and Signal Transduction,ABA Receptor,BRI1 is a membrane-associated receptor that cycles between the plasma membrane and endosomal compartments. The extracellular leu
3、cine-rich repeat domain binds brassinosteroids and transduces the signal through an intracellular kinase domain. GTG1 and GTG2 are GPCR-type G proteins that bind abscisic acid. They have inherent GTPase activity but also interact with the only canonical G subunit in Arabidopsis. PYR1/RCAR1 is a soluble ABA receptor that represses PP2C phosphatases in the presence of ABA. The cytokinin receptors CRE1, AHK2 and AHK3 are plasma-membrane-associated and perceive cytokinin through their extracellular
4、domains. Cytokinin binding triggers a phosphorylation cascade that is ultimately transmitted to response regulators in the nucleus. Like the cytokinin receptors, the known ethylene receptors are two-component regulators. All five receptors are active in the endoplasmic reticulum and transmit their signal through a common downstream component called CTR1. TIR1 and COI1 are F-box proteins that are integral components of SCF-type E3 ligases and recognize the plant hormones auxin and jasmonic acid r
《植物逆境信息传递研究进展》由会员xiao****1972分享,可在线阅读,更多相关《植物逆境信息传递研究进展》请在金锄头文库上搜索。
旅游纪念品研究板式模板
数据分析与企业架构-孙宇聪-技术决定生产力
离散傅里叶变换的应用
品管圈活动提高中医护理操作落实率的效果
提纯制备高纯石英砂的试验研究
原发性高血压病人血浆中hcy、adm和cgrp浓度测定的意义
博学思教育初中语文特训一病句修改
汽车车身碰撞仿真及其结构耐撞性研究
农业结构调整对农民增收的效应分析
论教师持续发展能力的培养
侧脑室外引流的临床护理
论刑法司法解释权的规范化运作
脓素血症患者血清降钙素原及t细胞亚群变化及相关性分析
中国地方志文化信息基础平台及关键技术研究项目展望
泡沫钻井水力参数优化方法研究
氧化物浓磁半导体和反铁磁金属的自旋极化输运研究
小学语文论文发展个性表现真我
基于asp的物流管理系统的设计与实现毕业设计
中国位置服务(LBS)市场分析报告
TDSCDMA手机射频芯片中的压控振荡器的研究与制作
2024-04-11 25页
2024-04-11 37页
2024-04-11 28页
2024-04-11 31页
2024-04-11 36页
2024-04-11 29页
2024-04-11 22页
2024-04-11 27页
2024-04-11 34页
2024-04-11 32页