淀粉积累规律与含量对小麦品质的影响与黑麦染色体对小麦贮藏蛋白表达的影响.研究

《淀粉积累规律与含量对小麦品质的影响与黑麦染色体对小麦贮藏蛋白表达的影响.研究》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、ThestudiesonstarchaccumulationregularityandtheeffectofstarchonwheatqualityandtheeffectofryechromosomesontheexpressionofstorageproteininwheatandryeCellBiology：Zhang．1ieSupervisor：Prof．RcnZheng·longAbstractWiththedevelopmentofpeople’Slivingstandard,higherwheatqualityisdema

2、nded．Wheatseedstorageproteinandstarchhavestrongeffectsonwheatprocessingcharacter．Researchershavepaidgreatattention011theresearchesofseedstorageproteinbutstarchcomponentwhichis70％ofseedendospermforalongtime．Therefore，comprehensiveunderstandingoftheaccumulationregularityof

3、starchcomponentsandtheeffectofstarchcontentonwheatqualityarehelpfulforimprovingofwheatquality．Rye(SecalecerealeL．)iscloselyrelatedtowheatbytaxonomy．Itcarriesagreatnumberofresistancegenesandincreasingyieldgenes．Asbridgedtooltotranslocateryegeneticmaterialtowheatgeneticbac

4、kground,Wheat-ryeaddRionlineplaysakeyroleinwheatbreeding．nearly30years．Inordertostudyontheeffectofdifferentryechromosomesontheexpressionofseedstorageprotein，choosingwheat-ryeadditionlineswhichhavedifferentgeneticbackgroundishelpfultoutilizedryef-urther．Forsuppressinterfe

5、renceofseedstorageproteinanddefinedtheeffectofstarchcomponentscontentOnwheatqualityclearly,fivewheatsister-lines(J655、J210、J309-2、J285和J724)wereusedtoanalyzetheseedstorageproteinandthenchoosethelineswhichhavethesamestorageproteincomponenttostudythestarchcomponentaccumula

6、tionregularityandco．elationrelationshipbetweencontentsofstarchcomponentandwheatqualitytrait．Inaddition，recipientcommonwheat‘‘Holdfast'’，‘‘ChineseSpring'’；donorrye‘'King'’，“Impire”；theirarnphidiploidsandadditionlineswhichtotalis8wereusedtoanalyzetheirseedstorageprotein．Th

7、en,exploredtheeffectofdifferentryeⅣgenomesandchromosomesontheexpressionofseedstorageproteininwheatgeneticbackground．Themainresultsareasfollows：1．HMW-GSofallsisterlinewereanalyzedbySDS—PAGE．J655，J309·3，J210havethesameHMW-GSelectrophoresispattern，whichisnull，7+8，2+12．Twoal

8、lelicvariants(7+8and14+15)atGlu-IBlocusinJ724。InJ285，therearetwoallelicvariants(1andnull)atGlu-]Alocusa