查询词典 mutation

Strain 9813 of Alcaligenes eutrophus derived by physical mutation can ferment fructose-glucose syrup to produce PHB.

经过物理诱变得到能利用果葡糖浆生产PHB的真养产碱杆菌9813，摇瓶发酵的适宜条件是：初糖浓度为2.5％～3.0％，硫酸铵浓度为0.3％，发酵时间48h，PHB浓度为14.7～14.8g·L〓。

Objective To explore the role of the allelic deletion and mutation of FHIT gene on the carcinogenesis and development of lung cancer.

目的 探讨FHIT等位基因缺失、突变在肺癌发生、发展中的作用。

Objective To explore the role of the allelic deletion and mutation of FHIT gene on the carcinogenesis and development of lung cancer.

目的探讨FHIT等位基因缺失、突变在肺癌发生、发展中的作用。

The alteration of FHIT gene is mainly allelic loss and the frequency of allelic mutation is rare.

FHIT基因异常主要以等位基因的缺失为主，而点突变发生率较低。

An atavistic mutation of Alpinia guangdongensis — on the origin of staminodes in Zingiberaceae.

光叶假益智的一例返祖突变现象——兼谈姜科侧生退化雄蕊的起源。

High mutation rate of K-ras codon 12 wasobserved in gallbladder carcinoma(60%),bile ductcarcinoma(81.8),ampullary carcinoma(90%) and duodenalcarcinoma(70%).

在胆囊癌、胆管癌、壶腹癌及十二指肠乳头癌中均检测到了高比率的K-ras基因12密码子的点突变。

The electrogenerated chemiluminescence on HBsAg II reagent on common clinical blood samples raises the negative accordant ratio with traditional Amsel method,also gaining better testing result for mutation with HBV including superior differentiation and sensitivity.

Roche提供的电化学发光法乙肝表面抗原第二代试剂，除对普通临床血液样本HBsAg的检测结果与传统金标准法相比具有良好的阴阳性符合率，还针对乙型肝炎病毒突变株具有良好的检测效果，即有良好的特异性和敏感性。

These results suggested that there are no obvious acute toxicity action and no induced more anormality and mutation of test mice perfused transgenic rice.

其结果是：转基因工程稻MSA4、KF6-304、21S/MSB与II-32A/MSB大米未引起小鼠明显的急性毒性反应，对小鼠无明显的致畸与致突变作用。

An article in this issue of PNAS by Antal et al.( 1 1 ) opens new ground by providing an in-depth analysis of a selection-mutation model.

PNAS的一片新的文章通过选择-变异模型的深入分析开创了新的天地。

Variance of the sequences comes from accumulated mutation.These properties make them unique and important not only to anthroponomy and genetics but also to forensic science and medicine.

由于 Y染色体的这些特点，使得对 Y染色体上多态性遗传标记的研究不仅在人类进化学、遗传学等方面意义重大，而且在法医学、临床医学等方面亦具有重要而独特的应用价值

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。