Any of a number of antibiot-ics produced by certain bacteria. The mainone ,actinom ycin D (or dactinom ycin),canbind between neighbouring base pairs inDNA,preventing RNA synthesis. It is usedin the treatment of some cancers.放线菌产生的一系列抗生素。主要如放线菌素D(或称更生霉素......(本文共 255 字) [阅读本文] >>