auxotrophic

常見例句

• The results showed that the strain was a L-cysteine auxotrophic strain.This method has laid a foundation for screening an auxotrophic mutant.
  結果表明，該菌株為L-半胱氨酸缺陷型菌株，為營養(yǎng)缺陷型突變株的篩選奠定了基礎。
• The isolation of these mutants would provide a useful auxotrophic marker to facilitate the development of an efficient host-vector system in K.lactis.
  這為在克魯氏乳酸酵母中構建有效的宿主-載體系統(tǒng)提供了一個有用的營養(yǎng)缺陷型選擇標記。
• An auxotroph requires, in addition to the principal carbon source, one or more organic nutrients.
  缺陷營養(yǎng)生物除需要主要碳源外，還需要一種或幾種有機養(yǎng)料。
• Here we apply the system to the determination of gene function using deletion mutants of yeast (Saccharomyces cerevisiae) and auxotrophic growth experiments.
  通過使用人工智能研究中的教訓制造出機器人，它能夠自動地創(chuàng)造事實假設來解釋數(shù)據(jù)，修正實驗以驗證其假設，并且能指導實驗室的機器人完成試驗。
• 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(yǎng)型,有的在含利福平(10單位/亳升)和鏈霉素(200單位/亳升)的培養(yǎng)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.
  以谷氨酸棒桿菌AS1542為出發(fā)菌株，經(jīng)過硫酸二乙酯誘變和紫外原生質體誘變，定向選育出一株穩(wěn)定的色氨酸生產(chǎn)菌T11－6，該菌株具有苯丙氨酸、酪氨酸雙重營養(yǎng)缺陷及對氟苯丙氨酸、5-甲基色氨酸、6-氟色氨酸三種結構類似物抗性遺傳標記。
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