auxotroph

常见例句

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。
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。
Study on the Auxotroph of Wood Ear Fungi-Auricularia
黑木耳与毛木耳营养缺陷型诱变研究
Keywords mutagenesis;Ura auxotroph;growth property;fermentation;
诱变;尿嘧啶缺陷型突变株;生长特性;发酵;
Keywords brevibacterium flavum;L-leucine;auxotroph;fermentation;
黄色短杆菌;L-亮氨酸;营养缺陷型;发酵;