auxotrophic
常见例句
- The results showed that the strain was a L-cysteine auxotrophic strain.This method has laid a foundation for screening an auxotrophic mutant.
结果表明,该菌株为L-半胱氨酸缺陷型菌株,为营养缺陷型突变株的筛选奠定了基础。 - The isolation of these mutants would provide a useful auxotrophic marker to facilitate the development of an efficient host-vector system in K.lactis.
这为在克鲁氏乳酸酵母中构建有效的宿主-载体系统提供了一个有用的营养缺陷型选择标记。 - An auxotroph requires, in addition to the principal carbon source, one or more organic nutrients.
缺陷营养生物除需要主要碳源外,还需要一种或几种有机养料。 - Here we apply the system to the determination of gene function using deletion mutants of yeast (Saccharomyces cerevisiae) and auxotrophic growth experiments.
通过使用人工智能研究中的教训制造出机器人,它能够自动地创造事实假设来解释数据,修正实验以验证其假设,并且能指导实验室的机器人完成试验。 - The reverse frequency of donor and receptor for auxotroph and resistance is less than 10~(-9), protoplast transformation is carried out in SMM containing 30% oolyethene glycol (MW 6000) and 20mg/ml DNA at controtledtime and temperature.
转化子有的是原养型,有的在含利福平(10单位/亳升)和链霉素(200单位/亳升)的培养基上能生长,也有的兼而有之。 - Original strain, Corynebacterium glutamicum AS1542, was mutanted by DES and UV. protoplast irradiation. Finally, a higher L-tryptophan producing strain,T11-6 was obtained. It was a double auxotroph of phenylalanine and tyrosine.
以谷氨酸棒杆菌AS1542为出发菌株,经过硫酸二乙酯诱变和紫外原生质体诱变,定向选育出一株稳定的色氨酸生产菌T11-6,该菌株具有苯丙氨酸、酪氨酸双重营养缺陷及对氟苯丙氨酸、5-甲基色氨酸、6-氟色氨酸三种结构类似物抗性遗传标记。 返回 auxotrophic