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敲除组蛋白去乙酰化酶基因hdac对里氏木霉纤维素酶表达的调控作用
张珂珂 周娇娇 佘炜怡 高云雨 邓嘉雯 谢宁 田生礼
图1 质粒pBC-GeneticinR图谱
Figure 1 pBC-GeneticinR plasmid map
图2 阳性转化子的PCR鉴定原理示意图
Figure 2 Schematic diagram for verifying positive transformant by PCR
图3 hdac基因敲除片段的琼脂糖凝胶电泳
Figure 3 Electrophoresis of fragments for knock-out of hdac gene
图4 3株突变体T. reesei Δhdac转化子的Ver-1和Ver-2片段琼脂糖凝胶电泳
Figure 4 Electrophoresis of amplifiied Ver-1 and Ver-2 fragments from 3 mutant T. reesei Δhdac transformants
图5 酶切位点示意图及敲除基因后Southern blotting的验证结果
Figure 5 Schematic site and southern blotting results after knocking out the gene
图6 T. reesei QM9414及T. reesei Δhdac菌丝表型变化
Figure 6 Phenotypic changes in T. reesei QM9414 and T. reesei Δhdac
图7 T. reesei Δhdac突变体FPA及CMCA酶活变化曲线
Figure 7 T. reesei Δhdac mutant FPA and CMCA enzyme activity curve
图8 T. reesei QM9414和T. reesei Δhdac在第5天时纤维素酶基因表达量
Figure 8 Cellulase gene expression at the 5th day of T. reesei QM9414 and T. reesei Δhdac
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本期制作:赵彬涵
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