The efficiency of antibiotics is decreasing due to the spread of a bacterialgene conferring high levels of drug resistance.
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。
2
And almost all humans have lost the caspase 12 gene from their genomes, probably because those who have it are more susceptible to bacterial infections.
大概是由于携带胱冬酶12基因的人更易受细菌感染的侵害，现在几乎所有人都已经失去了该基因。
3
True, farmers never inserted a bacterialgene into a plant.