透明颤菌(沈阳株)血红蛋白基因克隆与序列分析

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目的:以透明颤菌(Vitreoscilla)基因组DNA为模板,扩增透明颤菌血红蛋白基因(vgb).方法:采用PCR与基因重组技术,将PCR产物插入到克隆载体PET28a中,测序应用DNA测序仪.结果:获得了约0.5kb DNA片段,测序结果与已发表的透明颤菌血红蛋白基因核苷酸序列比较,同源性为97%.结论:所扩增的DNA片段确认是透明颤菌血红蛋白基因.
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