排序方式: 共有1条查询结果,搜索用时 437 毫秒
1
1.
Corynebacterium diphtheria PW8-weissensee was grown on different mediafor screening high toxin produce. Through six times of screening (selecting butyrousbrilliant smooth small colonies and teshng their toxin production capacity) fromoriginal strain producing toxin l60Lf/ ml, a high toxin- producing descendandculture was obtained, which produced 79% more toxin than the original strain did. 相似文献
1