| 摘要 |
Plasmid pAC 1, which is obtained from Acremonium chrysogenum ATCC 14553 and has a contour length of about 6.7 mu m and a molecular size of about 20.9 kilobases (=kb), a process for obtaining it and its use for preparing a hybrid vector which promotes the biosynthesis of beta -lactam antibiotics. |
