Abstract:
利用硫酸铵分级沉降、亲和色谱Affi-gel和离子交换色谱SP-Toyopearl从黑豆种子中分离出一种抗菌蛋白,SDS-聚丙烯酰胺凝胶电泳鉴定达到电泳纯。利用SDS-聚丙烯酰胺凝胶电泳标准蛋白迁移率与分子量对数的关系,计算出该抗菌蛋白的分子量为93.3k Da,还原和非还原状态下均显示单一区带,说明该抗真菌蛋白为单倍体蛋白。抑菌试验结果表明,此种纯化的蛋白对植物致病菌瓜果腐霉病菌 (Pythium aphanidermatum)、棉花枯萎病菌(Fusarium oxysporum)、苹果轮纹病菌(Physalospora piricola)、葡萄灰霉病菌(Botrytis cinerea)、...
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Year: 2006
Language: Chinese
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