在一些细菌中他们添加了抵抗特定抗生素的基因。原理如下，只有那些载有抗生素抗体基因的细菌才携带有真实的信息。
Into some bacteria they inserted genes for resistance to particular antibiotics; the idea is that only the antibiotic-resistant bacteria are carrying the real message.
首次发现作用于细菌外壁令人琢磨不透的药物靶点详尽图像给科学家提供足够的新信息以帮助设计新型抗生素。
The first detailed images of an elusive drug target on the outer wall of bacteria may provide scientists with enough new information to aid design of novel antibiotics.
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