HAL1 mediate salt adaptation in Arabidopsis thaliana-中国期刊网

摘要 TheyeastHAL1genewasintroducedintoArabidopsisthalianabyAgrobacteriumtumefaciens-mediatedtransformationwithvacuuminfiltrationunderthecontrolofCaMV35Spromoter.Thirty-threeindividualkanamycinresistantplantswereobtainedfrom75,000seeds.SouthernblottinganalysisindicatedthatHAL1genehadbeenintegratedintoallofthetransgenicplants'genomes.ThecopynumberofHAL1geneintransgenicplantswasmostly1to3bySouthernanalysis.Phenotypesoftransgenicplantshavenodifferenceswithwildtypeplants.Severalsamplesoftransformantswereself-pollinated,andprogeniesfromtransformedandnon-transformedplants(controls)wereevaluatedforsalttoleranceandgeneexpression.MeasurementofconcentrationsofintracellularK+andNa+showedthattransgeniclineswereabletoretainlessNa+thanthatofthecontrolundersaltstress.ResultsfromdifferenttestsindicatedtheexpressionofHAL1genepromotesahigherlevelofsalttoleranceinvivointhetransgenicArabidopsisplants.

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HAL1 mediate salt adaptation in Arabidopsis thaliana

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HAL1 mediate salt adaptation in Arabidopsis thaliana

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