摘要
土壤盐渍化是威胁粮食安全的重要因素之一。盐对植物组织的伤害主要表现在两个方面,一是渗透胁迫造成的伤害,另一个是离子毒害。水稻是全球最主要的粮食作物,全球有50%的人口以稻米为主食,因此水稻生产对保障全球粮食安全发挥着重要作用。鉴于其栽培特点和生态作用,水稻是改良盐碱地的重要粮食作物。本文主要综述了水稻在盐胁迫后的生理反应、信号传导途径以及相关基因,为通过遗传改良提高水稻耐盐性提供研究成果信息。
Soil salinity is one of the most brutal environmental factors limiting the crop productivity. Salt stress evokes both osmotic stress and ionic stress which inhibit the normal cell growth and division of plants. Rice is the most important food crop in the world and a primary source of food for more than half of the population. Therefore, rice production is crucial in ensuring food security world -wide. Rice also plays important roles in salinity soil reclamation due to its characteristics of cultivation and ecological effects. In this review, the find- ings in the fields of physiological responses, signaling pathway and gene profiles in rice under salt conditions were summarized. This review would supply useful information in genetically improving salt tolerance of rice.
出处
《山东农业科学》
2016年第4期148-153,共6页
Shandong Agricultural Sciences
基金
国家转基因生物新品种培育科技重大专项(2014ZX08001-005B)
山东省科技重大专项(2015ZDJS03001-4)
山东省农业科学院青年英才培养计划项目
关键词
水稻
盐胁迫
信号途径
转运蛋白
Rice
Salt stress
Signaling pathway
Transporter
