过表达GsHAM1基因对黑农69、黑河43大豆嵌合体耐盐性的影响

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中图分类号：S529 文献标志码：A 文章编号：2096-9902（2026）06-0025-06

Abstract：SaltstressharmsvariousphysiologicalindicatorsofplantsExcessivesaltconcentrationwillafectthegrowthand developmentofsoybeansandleadtoadeclineinsoybeanyield.Apparentmodificationsofhistones，includingmethylationand acetylation，arepartofepigeneticresearchandareofgreatsignificancefortheregulationofgeneexpresionPlantsencounter variousstreses duringgrowthanddevelopment，suchasabioticstreses，andapparentmodificationsofhistonesoftenplayan importantroleinthis.Inthisstudytwosoybeanvarieties，Heihe43andHeinong69，wereusedasresearchobjectstocnstruct hairyrootsthatoverexpressedthehistoneacetyltransferasegne（GsHAM1）.Aftertransformingthehistoneacetyltransferasegene inanAgrobacterium rhizogen-mediated genetic transformation system for 3O days，they were treated with 50mM ， 100mM ，and 200 mMNaCltoobserveitsphenotypicchangesandconductphysiologicalexperimentstofurtherunderstandthephysiological changesofsoybeansundersaltstress.ToexploretheroleofhistoneacetylationinsaltstressTheresultsshowedthatHeihe43 hadbeter salttolerancethan Heinong 69andoverexpressingthe GsHAM1genecouldenhance thesalttoleranceof theplant.

Keywords： soybean; salt stress; hairy root; histone acetyltransferase; acetylation

野生大豆（Glycinesoja）不仅具有很强的环境适应性而且还有一定的经济价值，是重要的大豆种质资源。（剩余6643字）