auxotroph

基本解释

• 营养缺陷型,营养突变体

同根派生

英汉例句

• 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;