Two main select markers were auxotroph and drug resistance.
筛选标记主要有营养缺陷型、药物抗性标记；
2
The characters of parents, such as morphology of colony, growth rate of mycelium and auxotroph, were maintained in protoplasted monokaryon.
单核原生质体再生菌丝的菌落形态、菌丝生长速度和营养缺陷型标记等性状均稳定地保持了亲本的特性。
3
Under the instruction of metabolic control theory, the screening of leucine auxotroph was determined as the method of selecting the mutant strain of low-yield fusel oil.