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棉花细胞质雄性不育系07--113A雄性不育的基础研究 Title:BasicResearchonCytoplasmicMaleSterilityinCottonCellLine07-113A Abstract: Cytoplasmicmalesterility(CMS)isaphenomenonwidelyobservedinplants,includingcotton.The07-113Amalesterilecottonlineisavaluablegeneticresourceforbreedingprogramsduetoitsstableandheritablemalesterilitytraits.BystudyingthebasicmechanismsunderlyingCMSincotton,weaimtounderstandthegeneticandmolecularbasisofmalesterility,whichcancontributetothedevelopmentofhybridcottonvarietieswithimprovedyieldandquality.Inthispaper,wereviewthecurrentunderstandingofCMSincotton,includingitsinheritancepattern,cytoplasmiceffects,andgeneticcontrol.Additionally,wediscussthepotentialapplicationofmolecularmarkersandgeneticengineeringinbreedingforCMS.UnderstandingthemechanismsofCMSincottonwillfacilitateitseffectiveutilizationincottonbreedingprograms. 1.Introduction 1.1Overviewofcytoplasmicmalesterilityincotton 1.2SignificanceofstudyingCMSincotton 2.InheritanceofCMSinCotton 2.1GeneticcontrolofCMSincotton 2.2Cytoplasmiceffectsonmalesterility 3.MechanismsofCytoplasmicMaleSterilityinCotton 3.1Cytologicalandhistologicalstudies 3.2Physiologicalandbiochemicalchanges 3.3MolecularmechanismsunderlyingCMS 4.MolecularMarkersforCMSinCotton 4.1DevelopmentofCMS-specificmolecularmarkers 4.2ApplicationsofmolecularmarkersinCMSbreeding 5.GeneticEngineeringforCMSinCotton 5.1GeneticmodificationapproachesforCMS 5.2ChallengesandprospectsinusinggeneticengineeringforCMSbreeding 6.UtilizationofCMSinCottonBreeding 6.1HybridcottonbreedingusingCMS 6.2ChallengesandopportunitiesinCMS-basedbreedingprograms 7.Conclusion 7.1Recapofthemainfindings 7.2FuturedirectionsforCMSresearchincottonbreeding Thispaperaimstoprovideacomprehensiveoverviewofthebasicresearchconductedonthecytoplasmicmalesterilityincottoncellline07-113A.Itcoverstheinheritancepattern,cytoplasmiceffects,andgeneticcontrolofCMSincotton.Furthermore,itdiscussesthemechanismsunderlyingCMSatcytological,physiological,andmolecularlevels.Additionally,theutilizationofmolecularm