改良尿素-氯化锂方法提取成熟小麦种子总RNA

被引:23
作者
姚红艳
赵双宜
夏光敏
机构
[1] 山东大学生命科学学院
关键词
小麦成熟种子; RNA提取; 尿素氯化锂; CTAB;
D O I
10.13523/j.cb.20030420
中图分类号
S512.1 [小麦];
学科分类号
摘要
为了分离提取成熟小麦种子总RNA ,去除多糖等杂质的严重干扰 ,本实验对尿素 氯化锂分离RNA的方法做了三个方面的改进 :一、去除成熟种子的胚 (含大量麦胚凝集素等糖蛋白 ) ,发现裂解物的黏稠度明显下降 ;二、在裂解粗提物中加入CTAB至终浓度为 0 2 % ,可去除大部分多糖 ;三、异丙醇沉淀RNA之后 ,充分溶解 ,离心去除残留的不溶性多糖等杂质。结果表明 :所提取的成熟小麦种子RNA的纯度和产率都有明显提高
引用
收藏
页码:86 / 88
页数:3
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