| 1. | Interspecific protoplast fusion between aspergillus terreus t - 730 , an itaconic acid producer , and aspergillus niger ni - 5k , a glucoamylase producer , was done to breed new mold producing itaconic acid from starch . the ni - 5 strain was induced with antibiotic - a , which became a drugresistant strain ni - 5k
选择衣康酸高产菌株牺土曲霉aspergillusterreust - 730和柠檬酸高产菌株黑曲霉aspergillusnigerni - 5 ，以抗菌素a对黑曲霉ni - 5进行诱导培育，形成遗传稳定的抗药性菌株ni - 5k 。 |
