Oliver is now studying tumors in which the PIDD gene has been knocked out, to see if its absence hinders drugresistance.
Oliver现在研究PIDD基因敲除的肿瘤细胞，看看是否它的缺失阻碍药物耐药性。
2
The efficiency of antibiotics is decreasing due to the spread of a bacterial gene conferring high levels of drugresistance.
由于一种细菌基因的蔓延，造成了高度耐药性，抗生素的效力正在节节下降。
3
Results: The sporadic outbreak of vibrio cholera has some characters: including non toxic strain infection, low detection rate of plasmid and ct gene and increase of drugresistance.