上泽充通大￥ Shanghai Jiao Tong University 1896 1920 1987 2006 10.1.2 Isolation of Nutritional Auxotrophs:Replica plating method and Penicillin Selection 营养缺陷型的分离 VERS 平板复制法与青霉素负选择法1896 1920 1987 2006 10.1.2 Isolation of Nutritional Auxotrophs: Replica plating method and Penicillin Selection 营养缺陷型的分离: 平板复制法与青霉素负选择法