1、Down-RegulationofTM29,aTomatoSEPALLATAHomolog,CausesParthenocarpicFruitDevelopmentandFloralReversionCharles Ampomah-Dwamena,Bret A.Morris2,Paul Sutherland,Bruce Veit3,and Jia-Long YaoZhangYunyi09/06/16SEP functions in ArabidopsisSequenceanalysisofTM29Spatial and temporal expression of TM29in tomatoT
2、M29transgenic plant phenotypesTM29 protein interacts with SlHDACsConclusionReferencesContextSEP functions in ArabidopsisBandCfloralorganidentityfunctionsrequireSEPALLATAMADS-boxgenesPelaz et al.,Nature405,200-203(11 May 2000)SEP functions in ArabidopsisSequenceanalysisofTM29Spatial and temporal expr
3、ession of TM29in tomatoTM29transgenic plant phenotypesTM29 protein interacts with SlHDACsConclusionReferencesContextTM29Groups to the SEPSubfamilyPhylogeneticanalysisSequenceanalysisSEP functions in ArabidopsisSequenceanalysisofTM29Spatial and temporal expression of TM29in tomatoTM29transgenic plant
4、 phenotypesTM29 protein interacts with SlHDACsConclusionReferencesContextSpatial and Temporal Expression of TM29in Tomatofb,Flowerbudsfr,Youngfruitslf,Youngleavessh,Shoottipsrt,RootsNorthern-blothybridizationpa,Pre-anthesisa,AnthesisDPA,Fruitat3,6,14,and21dayspost-anthesislf,YoungleavesTM29 expressi
5、onoccursfromtheearlystagesofflowerdevelopmenttotheearlystagesoffruitdevelopment.Spatial and Temporal Expression of TM29in TomatoSympodialbudFloral(fm)/Inflorescence(im)meristemSepalOvaryInsituhybridizationsb,sympodialbud;lf,leaf;fm,floralmeristem;im,inflorescencemeristem;vb,vascularbundle;se,sepalpr
6、imordiuman,antherregion;ov,ovaryprimordium;per,pericarpregion;st,stamen;tap,tapetalregion;SEP functions in ArabidopsisSequenceanalysisofTM29Spatial and temporal expression of TM29in tomatoTM29transgenic plant phenotypesTM29 protein interacts with SlHDACsConclusionReferencesContextTM29Transgenic Plan
7、tsPhenotypesSepallata-likeflowersDelayedsenescencepetalstamenTM29Transgenic PlantsPhenotypesDelayedripeningprocessEctopicshootsgrewinsidethefuritTM29Transgenic PlantsPhenotypesel,Ectopicleaf;ef,Ectopicflower;fr,Fruit;es,Ectopicinflorescence;ov,ovule;per,Pericarp;pl,Placenta;sd,SeedTM29mayberequiredf
8、orthemaintenanceoffloralmeristemidentifySEP functions in ArabidopsisSequenceanalysisofTM29Spatial and temporal expression of TM29in tomatoTM29transgenic plant phenotypesTM29 protein interacts with SlHDACsConclusionReferencesContextvTM29 protein interacts with SlHDACsSlHDACs=SolanumlycopersicumHiston
9、e DeacetylasesYeasttwo-hybridassayPull-downassaySEP functions in ArabidopsisSequenceanalysisofTM29Spatial and temporal expression of TM29in tomatoTM29transgenic plant phenotypesTM29 protein interacts with SlHDACsConclusionReferencesContextTM29 shares a high amino acid sequence homology to the Arabid
10、opsis SEP1,2,and 3 genesTM29 is involved in floral organs development like SEP genesTM29 may also play a role in the maintenance of floral meristem identity and fruit development in tomatoTM29 protein may recruit HDACs to regulate gene expression in reproductive development in tomato ConclusionSEP f
11、unctions in ArabidopsisSequenceanalysisofTM29Spatial and temporal expression of TM29in tomatoTM29transgenic plant phenotypesTM29 protein interacts with SlHDACsConclusionReferencesContextSoraya Pelaz1,Gary S.Ditta1,Elvira Baumann2,Ellen Wisman2&Martin F.Yanofsky1(2000)B and C floral organ identity fu
12、nctions require SEPALLATA MADS-box genes.Nature 405,200-203Charles Ampomah-Dwamena,Bret A.Morris,2 Paul Sutherland,Bruce Veit,3 and Jia-Long Yao4,*(2002)Down-Regulation of TM29,a Tomato SEPALLATA Homolog,Causes Parthenocarpic Fruit Development and Floral Reversion.Plant Physiol.2002 Oct;130(2):60561
13、7Flanagan CA1,Ma H(1994)Spatially and temporally regulated expression of the MADS-box gene AGL2 in wild-type and mutant arabidopsis flowers.Plant Mol Biol.1994 Oct;26(2):581-95Linmao Zhao,JingxiaLu,JianxiaZhang,Pei-YingWu,SongguangYang and KeqiangWu(2014)Identification and characterization of histone deacetylases in tomato(Solanumlycopersicum).Front Plant Sci.2015 Jan 6;5:760References