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- The mutant strains can survive the poisonous bacteria probably because they are using alternative respiration enzymes. 这些突变品系能在接触有害细菌后存活下来,应该是因为牠们使用了替代的呼吸酵素。
- It is very important to obtain high yield mutant strains on the base of metabolic flux analysis of Actinobacillus succinogenes S. 在对产琥珀酸放线杆菌代谢分析的基础上选育出高产突变株对琥珀酸的工业生物转化有重要意义。
- Objective To obtain mutant strains of high production of pullulan and low secretion of pigment and optimize fermentation process of pullulan. 目的获取普鲁兰糖产量高且色素分泌少的突变菌株,优化普鲁兰糖的发酵工艺。
- ABSTRACT Objective To investigate the role of efflux pump of Acinetobacter baumannii mutant strains against fluoroquinolones. 目的探讨主动外排泵在鲍曼不动杆菌诱导突变株对氟喹诺酮类药物敏感性的影响。
- By treating with UV, DES and ~(60)Co etc. , a mutant strain G987 of Aspe rgillus clavatus has been obtained. 经紫外线、硫酸二乙酯及~(60)Co等诱变剂处理获得棒曲霉G987变异株。
- Objectives:to study fermentation conditions of chymosin from mutant strain Mucor pusillus. 目的:研究微小毛霉产凝乳酶的固体发酵条件。
- Based on P06, the mutant strain P06-3-5 which was treated with ultraviolet and NTG inducement was screened and got. 摘要以海藻糖合酶产生菌株P06为出发菌株,经过紫外线与亚硝基胍复合诱变最终选育出一株海藻糖合酶高产突变株P06-3-5。
- Contour-clamped homogeneous electric field (CHEF) gel electrophoresis was used to compare the electrophoretic karyotype of three Mortierella species and two mutant strains. 利用等强度均一电场(Contour-clamped Homogeneous Electric Field, CHEF)凝胶电泳技术比较了三种被孢霉菌株及两株诱变菌株的电泳核型。
- For the sake of searching new methods of high-throughput screening of mutant strains, the strains were screened by applying the technology of metabolomics. 摘要 为了寻找菌株高通量筛选的新方法,尝试运用代谢物组学的技术及其分析方法来筛选菌株。
- The obtained mutant strain was further screened with “final product resistance” and “anticandine resistance” model. 经过连续传代试验,其遗传性状稳定。
- Mutant strain WYBS2001 of B.subtilis with strong anti-pathogenic activity was obtained by mutagenic ultraviolet rays. 通过紫外线突变诱导获得了对感染致病菌具有显著抑菌作用的枯草芽孢杆菌突变株WYBS2001。
- Research on virus treatment like this has been conducted for some years, but no other viruses have been shown to be as efficient or specific as the VSV mutant strains. 此外,据姜俊海介绍,世纪互联还自己设计机柜,通过增大机柜门上的通风网孔,使通风率达到74%25,机构的前后门和侧板均可快速拆卸。
- Recombinant plasmid, pBYBl, with full length cry1Aa14 gene was constructed and transformed into a Bt acrystalliferous mutant strain HD73 cry. cry1Aa14全长基因插入Bt表达载体,获得了重组表达质粒pBYB1,转化大肠杆菌SCS110和Bt无晶体突变株HD73cry~-,经过抗性筛选、DNA酶切分析和PCR检测,证实转化成功。
- A mutant strain ZM-8 with high activity of cellulase was selected from parent strain of Aspergillus niger by treatment of space conditions. 对航空诱变的黑曲霉(Aspergillus niger)进行筛选,得到纤维素酶高产突变株ZM-8。
- The study aimed to discuss the optimum conditions of Thermophilic sporotrichum mutant strain TH3-9 for producing cellulase. 探讨嗜热侧孢霉TH3-9突变株固体发酵产纤维素酶的最佳条件。
- Meanwhile,the antibiotic activity of the mutant strain treated with 0.2% DES increased by 32.8% compared with that of the starting strain. DES处理在浓度为0.;2%25时提高了24
- To test this, they used a mutant strain of a mouse herpesirus that could only initiate an acute infection and then faded away. 为了证明这点,他们使用了变异的鼠疱疹病毒,该病毒只能引发急性感染,然后就隐匿了。
- To test this, they used a mutant strain of a mouse herpesvirus that could only initiate an acute infection and then faded away. 为了证明这点,他们使用了变异的鼠疱疹病毒,该病毒只能引发急性感染,然后就隐匿了。
- The effect of dissolved oxygen on the biotransformation of tylosin to its acyl derivative by mutant strain Streptomyces thermotolerans A80 was studied. 研究了溶氧对耐热链霉菌A80生物转化泰乐菌素为其酰化物的影响,确定该生物转化反应是显著的需氧过程。
- VRE is a mutant strain of enterococcus, a group of bacterial species that live in the digestive and urinary tracts, which is resistant to Vancomycin. 肠球菌是一种常常存在于消化道和泌尿道中的细菌,VRE是其在压力选择下出现的突变菌株。这种菌株已经对于万古霉素耐药。