insertion mutagenesis造句

例句与造句

1. two pta-mutants have been selected by using suicide substrate after the mini-tn5 transposon insertion mutagenesis of klebsiella pneumoniae m5al . when used in microaerobic fermentation, the amount of acetate produced by the mutants reduced to less than 50 % of the parent strain, and the yields improved whereas the 1, 3-propanediol titers and productivities decreased
   以klebsiellapneumoniaem5al为出发菌株，用mini-tn5随机转座诱变结合自杀性底物筛选的方法得到了两株产乙酸途径pta基因缺失突变株xl-6和xl-11，应用到微氧法发酵中，突变株的乙酸产量为亲株的50以下，甘油转化率有所提高，但1，3-丙二醇浓度和生产强度有所下降。
2. It's difficult to find insertion mutagenesis in a sentence. 用insertion mutagenesis造句挺难的