以地鼠CICC 40205基因组DNA为模板,用引物扩增citA基因上游5’区,并进行测序。利用引物分别从PcitA1中扩增出截断的启动子PcitA2、PcitA3和PcitA4。将候选启动子克隆到载体pXH2-1的XhoI和BstBI的限制位点。利用引物glaA-F1和glaA-R1从黑曲霉Co827的cDNA中扩增出葡萄糖淀粉酶基因glaA,并分别克隆到载体pXH43和pXH44中,获得glaA表达盒pXH61和pXH59。用引物TtrpCF/TtrpC-R从pXH2-1中扩增TtrpCDNA片段,用BstBI和ClaI酶切,分别克隆到用BstBI切割的pXH33和pXH34中。

参考文献:Huang X, Chen M, Lu X, Li Y, Li X, Li JJ. Direct production of itaconic acid from liquefied corn starch by genetically engineered Aspergillus terreus. Microb Cell Fact. 2014 Aug 17;13:108.
以地鼠CICC 40205基因组DNA为模板,用引物扩增citA基因上游5’区,并进行测序。利用引物分别从PcitA1中扩增出截断的启动子PcitA2、PcitA3和PcitA4。将候选启动子克隆到载体pXH2-1的XhoI和BstBI的限制位点。利用引物glaA-F1和glaA-R1从黑曲霉Co827的cDNA中扩增出葡萄糖淀粉酶基因glaA,并分别克隆到载体pXH43和pXH44中,获得glaA表达盒pXH61和pXH59。用引物TtrpCF/TtrpC-R从pXH2-1中扩增TtrpCDNA片段,用BstBI和ClaI酶切,分别克隆到用BstBI切割的pXH33和pXH34中。

参考文献:Huang X, Chen M, Lu X, Li Y, Li X, Li JJ. Direct production of itaconic acid from liquefied corn starch by genetically engineered Aspergillus terreus. Microb Cell Fact. 2014 Aug 17;13:108.