查询词典 mutant

Acetoin dehydrogenaseactivity both in mutant strain UV-3 and the parental strain 10293 were lower than 0.001U/mg.

乳酸脱氢酶、双乙酰还原酶和α-乙酰乳酸脱羧酶三种酶活最低的pH分别为7.0、7.0和7.5左右。

Gas chromatography was employed to quantify the output of metabolization,and it was found that the yield of diacetyl for the mutant UV-3 was 18.7 fold to the wild-type 10293,up to 1.045g·L~(-1).Acetoin and ethanol yields were decreased by 48.4%and 71.4%,respectively.The yield of acetate was increased by 34.6%.

利用气相色谱测定代谢产物量，分析诱变前后菌株代谢途径中碳源的流向，结果表明突变株UV-3的丁二酮产量提高18.7倍，达到1.045g/L，乙偶姻产量降低48.4%，乙醇产量降低71.4%，乙酸产量提高34.6%，且遗传性质稳定。

An aciduric mutant with steady hydrogen-producing capability, which was able to grow at acidic pH of 3.0, was obtained. Its capability of hydrogen production was measured in the batch culture experiment.

结果筛选到一株遗传性状稳定的高产氢突变株，具有良好的耐酸性，在pH值3.0时仍能生长。

In order to obtain highly efficient H_2-producing aciduric anaerobic strain, a hydrogen producing strain H-8 was irradiated by microwave, the microwave mutagenesis parameters were optimized, and the genetic stability, hydrogen-producing potential and acid resistance of the mutant were investigated.

为获得厌氧产氢菌的高效突变株，以产氢菌H-8为原始菌株进行微波诱变处理，对微波诱变参数进行了优化，考察了突变株的遗传稳定性、产氢特性及耐酸性。

Enterobacter aerogenes was irradiated by He-Ne laser to optimize the laser mutagenesis condition, and to test the heredity, aciduric and hydrogen-producing potential of the mutant.

运用He-Ne激光辐照产气肠杆菌，对激光诱变参数进行优化，考察了突变株的遗传稳定性、耐酸性和产氢特性。

LacZ gene was fused with the promoter of the acoR gene and bkdR gene, and two recombined genes were expressed in sigL mutant strain and HD-73 wild strain sequentially.

分别将调控aco操纵子（编码3-羟基丁酮脱氢酶系统）的转录调节基因acoR和调控bkd操纵子（编码催化支链脂肪酸合成的酶系统）的转录调节基因bkdR的启动子与lacZ基因融合，并转入出发菌株和sigL突变体中，测定b-半乳糖苷酶的活性。

A mutant,designated as UV-3,was selected from wild-type Enterobacter aerogenes 10293 by application of UV irradiation in combination with cultivation in high glucose medium,leucine medium and diacetyl medium.

以产气肠杆菌(Enterobacter aerogenes，CICC 10293)为出发菌株，采用紫外线诱变，并结合亮氨酸平皿和丁二酮平皿筛选方法，获得耐高浓度底物-葡萄糖的高产丁二酮突变菌株，命名为UV-3。

Join the aggroup Be an X-Man Who the inferno do you conceive you are Youre a mutant.

加入你们？成为一个x战警？你以为你是谁啊？拜托，你是一个变种人。

Importantly, the changes observed in rat muscle injected with mutant agrin recapitulated the pre- and post-synaptic modifications observed in the patient.

重要的是，大鼠肌肉注射突变型集聚蛋白后产生的变化和在患者中观察到的突出前和突触后变化一致。

Injection of wild-type or mutated agrin into rat soleus muscle induced the formation of nonsynaptic acetylcholine receptor clusters, but the mutant protein specifically destabilized the endogenous neuromuscular junctions.

注射野生型或突变型集聚蛋白到大鼠比目鱼肌中，诱导非突触性乙酰胆碱受体簇的形成，但突变的蛋白破坏了内源性神经肌肉接头的稳定性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。