植物磷转运蛋白基因及其表达调控的研究进展  

Advance of plant phosphate transporter genes and their regulated expression

作　　者：王萍[1] 陈爱群[1] 余玲 徐国华[1] 

机构地区：[1]南京农业大学资源与环境学院,江苏南京210095 [2]The Center for Cell and Molecular Signaling,School of Medicine

出　　处：《植物营养与肥料学报》2006年第4期584-591,共8页Journal of Plant Nutrition and Fertilizers

基　　金：国家自然科学基金项目(30471037);高校博士点专项基金项目(20040307037)资助

摘　　要：土壤有效磷的缺乏是限制植物生长发育的主要因素之一,植物对于磷素营养的吸收及转运主要是通过不同家族的磷转运蛋白来进行的。在外部介质严重缺磷的环境中,植物体自身会通过诱导或增强磷素转运蛋白基因的表达量提高其对根际和共生菌根菌丝磷素的吸收和利用,同时外界环境中的其他一些因素也会影响磷转运蛋白基因的表达调控。近年来,随着分子生物学技术和植物基因组学的快速发展,国内外有关磷素转运蛋白的分子研究也在不断深入,并取得了一系列令人振奋的成果。本文简述了近年来高等植物磷素转运蛋白基因的克隆、表达、调控及其可能存在的相互作用,并对进一步的研究作了展望。Phosphorus （P） is considered to be one of the least available plant nutrients in the soil. The deficit of available P in soil is one of the major factors restraining the growth and development of crop. Inorganic phosphate （Pi） transport through plant membranes is mediated by a number of Pi transporter proteins. Plants regulate the expression of Pi transporter genes to adapt low available P environment by enhancing their ability to acquire and transfer Pi. Over the past years, a significant advance has been obtained on the gene cloning, expression regulation and functional characterization of Pi transporters in plants. In this article, the research progresses on molecular level of known plant Pi transporters in last decade were reviewed.

关 键 词：基因 表达调控 磷转运蛋白 植物 

分 类 号：S184[农业科学—农业基础科学]