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Position: Home > Articles > Studies on Molecular Mechanism of Plant Seed Dormancy Fujian Journal of Agricultural Sciences 2017 (10) 1156-1164

植物种子休眠分子机制研究进展

作  者：
牛雨晴;许惠滨;张雨潇;连玲;蒋家焕;江敏榕;谢鸿光;朱永生;蔡秋华;谢华安;张建福
关键词：
种子;休眠;脱落酸(ABA);赤霉素(GA);分子机制
摘  要：
种子休眠为种子推迟萌发进而躲避不良环境条件提供了重要的生存机制,是由基因和外界环境共同决定的复杂性状。休眠的破除受环境和内源信号的协调控制,具有协同效应与竞争效应。植物激素脱落酸(ABA)促进休眠的诱导和维持,而赤霉素(GA)则打破休眠,促进种子萌发。近年来一些影响种子休眠的分子因素被发现,包括休眠特异性基因、染色质因子和非酶促过程等。本文综述了种子休眠相关分子机制的研究现状,讨论参与休眠诱导与破除的各种调节因子以及环境因素。最后,提出种子休眠研究未来可能的发展方向。
译  名：
Studies on Molecular Mechanism of Plant Seed Dormancy
作  者：
NIU Yu-qing;XU Hui-bin;ZHANG Yu-xiao;LIAN-Ling;JIANG Jia-huan;JIANG Min-rong;XIE Hong-guang;ZHU Yong-sheng;CAI Qiu-hua;XIE Hua-an;ZHANG Jian-fu;Crop College,Fujian Agricultural and Forestry University;Rice Research Institute,Fujian Academy of Agricultural Sciences;Key Laboratory of Germplasm Innovation and Molecular Breeding of Hybrid Rice for South China,Ministry of Agriculture/Fuzhou Branch,National Rice Improvement Center of China/Fujian Engineering Laboratory of Crop Molecular Breeding,Fujian Key Laboratory of Rice Molecular Breeding,Incubator of National Key Laboratory of Crops Germplasm Innovation and Molecular Breeding Between Fujian and Ministry of Science and Technology,Base for South-China of National Key Laboratory of Hybrid Rice for China/National Engineering Laboratory of Rice of China;
关键词：
seed;;dormancy;;abscisic acid(ABA);;gibberellin(GA);;molecular mechanism
摘  要：
Dormancy of seeds is an essential mechanism for plants to deal with conditions that are not ideal for the survival of its offspring by delaying the germination.The mechanism is a complex process maneuvered genetically by the plants and affected substantially by the environmental factors.The onset of seed dormancy is regulated by a combination of endogenous and external signals,which can be either synergistic or antagonistic.Plant hormones,such as abscisic acid(ABA),induce and maintain dormancy,whereas gibberellin(GA)interrupts dormancy and stimulates germination.Recently,additional elementsthat affect the seed dormancy,including dormancy specific genes,chromatin factors and non-enzymatic processes,have been identified.This article presents an overview on the molecular mechanism that controls the seed dormancy,current understandings on the science,new research approaches,as well as the regulators involving in and environmental factors affecting the induction and termination of dormancy.Direction and suggestions for further studies in the field are discussed.

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