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Issue:
ren lei wei mi su ji yin de jie gou
Author(s):
WU Xiaobo
Pages:
142
-
143
Year:
1985
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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