日本血吸虫组织蛋白酶L1基因的编码区全序列分析及克隆

Chinese Journal of Parasitology and Parasitic Diseases(2002)

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Abstract
目的分析日本血吸虫组织蛋白酶L1(SjCL1)基因编码区的完整序列,并定向克隆到真核表达质粒pcD-NA3中.方法从日本血吸虫成虫提取总RNA,进行反向巢式RT-PCR,T载体克隆后测序.PCR扩增SjCL1基因的编码区序列,并将扩增产物克隆到pcDNA3质粒的BamHI和XhoI位点上.结果通过反向巢式RT-PCR扩增出332bp SjCL1基因5′端序列,测序后与报道的SjCL1基因部分序列拼接,可得到一个编码317个氨基酸的完整编码区序列.PCR特异性扩增出SjCL1编码区基因序列,其大小约为1kb.经酶切、PCR鉴定和测序表明所构建的质粒pcDNA-SjCL1中含有所扩增的基因序列.结论构建了含SjCL1基因的编码区序列的真核表达质粒pcDNA-SjCL1.
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