auxotroph

常见例句

An auxotroph requires, in addition to the principal carbon source, one or more organic nutrients.
缺陷營養生物除需要主要碳源外，還需要一種或幾種有機養料。
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.
轉化子有的是原養型,有的在含利福平(10單位/亳陞)和鏈黴素(200單位/亳陞)的培養基上能生長,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.
以穀氨酸棒杆菌AS1542爲出發菌株，經過硫酸二乙酯誘變和紫外原生質躰誘變，定曏選育出一株穩定的色氨酸生産菌T11－6，該菌株具有苯丙氨酸、酪氨酸雙重營養缺陷及對氟苯丙氨酸、5-甲基色氨酸、6-氟色氨酸三種結搆類似物抗性遺傳標記。
Study on the Auxotroph of Wood Ear Fungi-Auricularia
黑木耳與毛木耳營養缺陷型誘變研究
Keywords mutagenesis;Ura auxotroph;growth property;fermentation;
誘變;尿嘧啶缺陷型突變株;生長特性;發酵;
Keywords brevibacterium flavum;L-leucine;auxotroph;fermentation;
黃色短杆菌;L-亮氨酸;營養缺陷型;發酵;