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ren lei wei mi su ji yin de jie gou
Author(s): 
Pages: 142-143
Year: Issue:  3
Journal: Journal of Medical Molecular Biology

Keyword:  胃泌素基因文库基因组限制性内切酶消化内含子噬菌斑杂交胃酸分泌调节因子克隆株噬菌体;
Abstract: <正> 属于多肽类激素的胃泌素是胃酸分泌的主要调节因子。目前胃泌素基因已经从人DNA的基因文库中分离出,本文报道了该基因的分离,着重测定了其核苷酸顺序。作者对携带人胃泌素基因组的噬菌体基因文库进行筛选,得到有人胃泌素cDNA克隆的30个噬菌斑杂交。纯化这些噬菌斑后,DNA即能从所有30个克隆株中分离出,并能借助于South-ern方法对已被不同限制性内切酶消化了的DNA片段进行分析。而起始密码子或5'端非编码区域的分
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