【目的】构建人Ⅰ 型基质金属蛋白酶基因(MMP1)真核表达重组质粒, 并进行序列分析。【方法】用逆转录聚 合酶链反应扩增人Ⅰ 型基质金属胶原酶cDNA, 获得目的基因片段(1 407 bp)连接至pcDNA3 载体, 并转化大肠杆菌DH5α, 筛 选阳性克隆并鉴定, 并对片断全长进行DNA 序列测定。【结果】所克隆人Ⅰ 型基质金属胶原酶cDNA, 含全长MMP1 编码区, 与GeneBank 公布序列比较, 仅1 318 位的胞苷酸C 突变为腺苷酸A。并成功构建了含有MMP1 ...
彭 慧, 汪 谦, 黄洁夫
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