资源描述：
《水稻转录因子基因osphr3在磷素利用过程中的作用》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、中国水稻科学(ChinJRiceSci),２０１６,３０(４):３９７－４０５http://www．ricesci．cnDOI:１０．１６８１９/j．１００１Ｇ７２１６．２０１６．６０１１３９７水稻转录因子基因OsPHR３在磷素利用过程中的作用张亮孙文献孙雅菲裴文霞罗闻真孙瑞张占田徐国华孙淑斌∗(南京农业大学资源与环境科学学院,南京２１００９５;∗通讯联系人,EＧmail:sunshubin＠njau．edu．cn)RolesofTranscriptionFactorGeneOsPHR３ontheUtilizationofPhosphateinRiceZHANG
2、Liang,SUNWenＧxian,SUNYaＧfei,PEIWenＧxia,LUOWenＧzhen,SUNRui,ZHANGZhanＧtian,XUGuoＧhua,SUNShuＧbin∗(CollegeofResourcesandEnvironmentalScience,NanjingAgriculturalUniversity,Nanjing２１００９５,China;∗Correspondingauthor,EＧmail:sunshubin＠njaue．duc．n)ZHANGLiang,SUNWenxian,SUNYafei,etal．Rolesoftran
3、scriptionfactorgeneOsPHR３ontheutilizationofphosphateinrice．ChinJRiceSci,２０１６,３０(４):３９７Ｇ４０５．Abstract:Phosphorus,anessentialmacronutrientelementforplantgrowthanddevelopment,isbroadlyparticipatinginvariousplantlifeactivities．However,lowavailabilityofsoilphosphateisamajorconstraintforcro
4、pproductioninmanＧyagriculturalsystems．OsPHR３(LOC_Os０２g０４６４０)isahomologofOsPHR２,thecentralregulatorofPiＧsignalinginrice．BothOsPHR２andOsPHR３belongtotheMYBＧCCfamilymembersandhavefunctionalredundancyinpart．In３２thisstudy,OsPHR３knockＧoutandoverＧexpressiontransgenicplantswereobtained．Thehyd
5、roponicculture,PiisoＧtopicandpotexperimentswereusedtodemonstratetheroleofOsPHR３inricephosphateuntilization．First,hydropoＧnicexperimentsshowedthatoverＧexpressionofOsPHR３increasedthephosphoruscontentoftherice,althoughthe３２knockＧoutlineshadnosignificantdifferencewithwildtypeplants．Secon
6、d,PiisotopicexperimentsrevealedthatoverＧexpressionofthegenepromotedtheabsorptionanddistributionofphosphate,whiletheabsorptionrateinknockＧoutlinesdecreasedincomparisonwithwildtypeplantsunderPiＧdeficientcondition．Third,potexperimentsdemonstratedthatoverＧexpressionofOsPHR３enhancedtheeff
7、ectivetillersandphosphoruscontentinseed．However,thepaniclelengthinknockＧoutlinesisshorterthaninwildtypeplants．Inconclusion,OsPHR３isapotentialtranscriptionfactorforimprovingPefficiencyinricethroughmolecularbreeding．Keywords:rice;phosphate;OsPHR３张亮,孙文献,孙雅菲,等．水稻转录因子基因OsPHR３在磷素利用过程中的作用．中
8、国水稻科学,２０１６,３
