Genome-wide Identification, Classification and Expression Analysis of Lhc Supergene Family in Castor Bean （Ricinus communis L. ）.pdf

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Genome-wide Identification, Classification and Expression Analysis of Lhc Supergene Family in Castor Bean （Ricinus communis L. ）.pdf

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AgriculturalBiotechnology 2013，2(6)：44-48，51 P1antScience Genome—wide Identification，Classification and Expres- sion AnalysisofLhc SupergeneFamily in CastorBean (RicinuscommunisL．) ZhiZOUh ， QixingHUANG ，FengAN 1．RubberResearchInstitute，ChineseAcademyofTropicalAgriculturalSciences／KeyLaboratoryofBiologyandGeneticResourcesofRubberTree，Ministry ofAgriculture，Danzhou571737，China；2．InstituteofTropicalBiosciencesandBioteehnoloyg ，CATAS／KeyLaboratory ofBioloyg andGeneticResourcesof TorpicalCrops，MinistryofA culture，Haikou571101，China Abstract Kght-harvestingchlorophylla／b-binding(LHC)proteinsareagroupofnuclear-encodedthylakoidproteinsthatplayakeyroleinplnatphotosynthesis andaIewidelyinvolvedinlightharvesting，energytrnasfertothereactionee~er，maintenanceofthylakoidmeln~ranestructure，photoprotectionandresponsetoen． vironmentalconditions，etc．AlthoughHw supergenefamilyiswellcharactefizedinmodelplna tssuchaBArabidopsis，ricena dpoplar，littleinformationisavailable incastorbean(RicinuscommunisL．) Inthisstudy，agenome．widesearchwascarriedoutforthefirsttimetoidentifycastorbeanLw／genesnadanalyzethegene structures．biochemicalproperties。evolutionaryrelationshipsandexpressioncharacteristicsbasedonthepublisheddataofcastorbeangenomeandES，．According totheresults，atotalof28Rclhcsgenesrepresenting13genefamilies(A／ca，l_hcb，Elip，Ohpl，Oh# ，SEP1，SEP2，艇，SEP4，SEP5， 65，Rieskenad FClI)nad25subgenefamilieswereidentifiedincastorbenagenome：tobespecific．25and5geneswerefoundtohavecorrespondingE rsinNCBInadhavea1． temativesplicingisoforms，respectively．TheseRcl_hcscontain0to9intmnsnaddistributeon26ofhte25878releasedscaffolds．AllRcLhcsgeneswereofundto beexpressedinal1examinedtissues，．e．1eaf，flower，R／IIIstageendosperm，V／VIstageendospemr nadseed，w htehighestexpressionIeve1inleartissue． Keywords RicinuscornmunisL．；Lhcsupergenefamily：Genome．wide；Classification；Expressionnaalysis Lihgtharvestingchlorop