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(jié)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(chǔ)。 - 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(gòu)建有效的宿主-載體系統(tǒng)提供了一個(gè)有用的營養(yǎng)缺陷型選擇標(biāo)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(jī)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(xùn)制造出機(jī)器人,它能夠自動(dòng)地創(chuàng)造事實(shí)假設(shè)來解釋數(shù)據(jù),修正實(shí)驗(yàn)以驗(yàn)證其假設(shè),并且能指導(dǎo)實(shí)驗(yàn)室的機(jī)器人完成試驗(yàn)。 - 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(zhuǎn)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(zhì)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(jié)構(gòu)類似物抗性遺傳標(biāo)記。 返回 auxotrophic