通过在初步筛选的培养基上培养，从风信子中分离出对青霉素的内生真菌抗性。
An endophytic fungus resistance to penicillin was isolated from hyacinthus orientalis by culturing on a preliminary screening medium.
弗莱明继续从霉菌中分离出它的提取物，然后确定它是青霉属中的一种，从而把这种提取物命名为青霉素。
Fleming proceeded to isolate an extract from the mould, correctly identified it as being from the Penicillium genus, and therefore named the agent penicillin.
研究人员还鉴定出北京雾霾的元基因组中含有几种具有碳青霉烯类抗药性的基因，碳青霉烯类是用于治疗具有挑战性细菌感染最后求助的抗生素。
The researchers also identified in the Beijing smog metagenomes that contained several genes resistant to carbapenems, a class of last-resort antibiotics for treating challenging bacterial infections.
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