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- 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。
- 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。
- 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。
- A movie of a well-known mutant strain of fish revealed for the first time exactly what goes wrong as the embryo develops. 一个众所周知的突变株鱼类的视频首次揭示了胚胎发展过程中究竟是什么出错了。
- But generated by a mutant strain of bacteria depending on bacteriorhodopsin structure, in the role of strong electric field, the change from blue light yellow. 但由某种突变菌生成的菌视紫质结构，在强电场的作用下，会从蓝色变换为淡黄色。
- A mutant strain of bacteria. 突变型菌系
- A mutant strain An 1 15 was obtained with the screening of a colour plate method and liquid state fermentation after Aspergillus niger An 1 producing xylanase was treated with UV and DES. The xylanase of An 1 15 increased by 90%. 木聚糖酶产生菌黑曲霉An 1经紫外线和硫酸二乙酯 (DES)处理后 ,采用显色平皿法及液体培养筛选 ,得到一产木聚糖酶活力较高的菌株An 1 15 ,其产酶能力比An 1提高 90%25。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- Compared with Ah J-1 strain, outer membrane protein profiles and some biochemical characters of the mutant strain had changed, and some genes of main virulent determinants could not be expressed, such as proteases, amylase, DNase and hemolysin. 与J-1株相比,突变株的外膜蛋白图谱和部分生化特性发生改变; 胞外蛋白酶、淀粉酶、DNA酶、溶血素等几种主要毒力因子同时丧失;
- Genetic algorithms (GA) based on the principle of mimicing Darwinian evolution and survival of the fittest in a natural environment was used to optimize the medium for astaxanthin production by the mutant strain W6 8 of Xanthophyllomyces dendrorhous. 运用基于达尔文进化学说和适者生存原理的遗传算法对发夫酵母突变株W6-8产虾青素的培养基进行了优化。
