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Abstract:
【目的】以实验室筛选获得的一株长梗木霉GM2(Trichoderma longibrachiatum)为材料,克隆出其β-葡萄糖苷酶(β-Glucosidase)基因bgl并在大肠杆菌和酵母中进行表达。【方法】利用同源克隆扩增出其β-葡萄糖苷酶基因bgl全长序列,分别亚克隆到质粒pET-32a(+)和pPICZα-B中,构建其原核表达载体pET32a(+)-bglI和真核表达载体pPICZα-B-bgl。【结果】bgl基因序列全长2 369 bp,含两个内含子,编码744个氨基酸。在大肠杆菌BL21(DE3)中表达bgl,重组蛋白以包涵体形式存在,上清液中没有β-葡萄糖苷酶的酶活。将载体pPI...
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微生物学通报
Year: 2012
Issue: 08
Volume: 39
Page: 1102-1111
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SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 2
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