毒性基因结构分析表明，V2、V2+6和V8等毒性基因的频率有较大变化。
The results of virulence gene survey showed that the frequencies of V2, V2+ 6 and V8changed widely.
非病毒的基因载体比病毒性基因载体具有高安全性、低免疫原性及易于生产的特点。
Nonviral gene vectors have many inherent advantages over viral vectors in terms of safety , immunogenicity and ease of manufacture.
聚氨基酸材料由于可生物降解性，低毒性等特点而被广泛的作为非病毒性基因载体材料的研究。
Polyaminoacid materials are widely researched as non-viral gene vectors because of the advantages, such as biodegradation, low cytotoxicity and so on.
目的：在肿瘤的基因治疗中，使目的基因、特别是细胞毒性基因在肿瘤细胞中特异性的表达十分重要。
Objective: in cancer gene therapy, restricted expression of the therapeutic gene, especially toxic gene, in tumor cells is important.
结果表明，河南省小麦白粉菌对所有供试小麦材料都存在相应的毒性基因，但毒性基因频率有明显差异。
The result showed that the virulent genes for all wheat materials tested were found in pathogen population from Henan, but the virulent frequencies were different remarkably.
目的利用GE7系统介导的生长激素启动子调控毒性基因治疗裸鼠垂体生长激素腺瘤，评价该系统的治疗效果。
Objective To study the effects of gene therapy system mediated by GE7 system and controlled by human growth hormone promoter on somatotroph adenomas of nude mice.
一种有助于中和水稻铝毒性的基因已经被鉴定出来。
A gene that helps neutralize aluminum toxicity in rice has been identified.
这是因为一旦知道药效基因，药物化学家就可以修饰它，在保持药效的基础上减少毒性。
This is because once a pharmacophore is known, medicinal chemists can modify it to reduce toxicity while maintaining (or enhancing) potency.
按顺序排好新菌株的基因，研究人员在实验室中重新构建了它，并把它与猪相接触。证明了该菌株会蔓延的，但只有轻微的毒性。
Having sequenced the new strain's genes, the researchers recreated it in a laboratory and exposed it to pigs. The strain proved contagious but only mildly virulent.
通过可视化单个基因层面的转录过程，研究人员能够得出人类自身促进剂和病毒性促进剂之间转录机制的不同之处。
By visualizing the process at the level of a single gene, the researchers were able to work out the different mechanics of transcription between the human and viral promoter.
中国科学家将蝎子和蛾子基因同时植入了油菜(菜籽油作物)中，让这些油菜对以自己为食的害虫产生毒性。
Chinese scientists have inserted scorpion and moth genes into oilseed rape (canola) plants to make them poisonous to insects feeding on them.
新高粱品种的植株比以前的矮半截，产量却是以前的三倍，基因研究也找到了如何控制木薯灾害根源，这是一种病毒性疾病。
New semi-dwarf sorghum has three times the previous yield, and genetic research has shown how to control cassava's great scourge, viral disease.
为了进一步检测转基因大米的抗病毒性能，研究小组准备首先比较大米和由玉竹提炼而来的纯抗病毒蛋白质的抗病毒性能。
To test the effect further, they plan to compare the antiviral powers of the GM rice that has produced the protein with protein isolated directly from Yuzhu.
因此，欧盟通常要求检测，证明基因的蛋白质是否产生毒性或过敏反应。
So, the EU usually requires testing to show whether the protein produced by the gene is toxic or allergenic.
最近几天，对H1N 1流感病毒的基因测序分析表明，这种病毒的毒性不像之前所认为的那样致命。
In recent days, genetic sequencing analyses of this flu have suggested it is not as virulent as suspected.
研究即早基因在氯化甲基汞神经毒性机制中的作用。
To study the role of immediate early genes in the neurotoxic mechanism of chloro methylmercury.
由于腹泻和皮肤毒性限制了此类药物的应用，研究人员期望发现ABCG2基因特异性的突变从而能够阻断ABCG2蛋白的功能。
Since diarrhea and skin toxicity limit the use of this drug in some patients, the researchers looked for a specific variation in the ABCG2 gene that could disrupt the function of the ABCG2 protein.
探讨苯并(a)芘的神经行为毒性及其与CYP1A1基因多态性的关系。
To explore the relationship between neurobehavioral toxicity of benzo (a) pyrene and CYP1A1 gene polymorphism.
本文介绍了红曲霉桔霉素的理化性质、毒性、抑菌性、检测方法、生物合成途径及基因克隆等内容。
The purpose of this paper is to review citrinin's physicochemical properties, toxicity, inhibiting bacteria activity, analytical methods, biosynthetic pathway, gene clone, etc.
它们不是毒理学研究。毒理学研究涉及分析动物组织研究毒性作用，或其他安全方面的研究，如横向基因转移率。
They are not toxicological studies, which would involve analysing the animal tissue for toxic effects, or studies of other safety aspects such as the rate of horizontal gene transfer.
该基因可在干细胞中将毒性小的5 -氟胞嘧啶(5 -FC)转变为5 -FU，该化疗药物由干细胞进入肿瘤细胞，产生致死性的旁观者效应。
This gene can convert a less toxic drug, 5-fluorocytosine (5-fc), to 5-fu inside the stem cells, and the chemotherapy can then seep out into the tumor, producing a lethal by-stander effect.
药物代谢酶、转运体及药物作用靶点存在着的基因多态性与药物疗效和毒性的个体差异有很大关系。
The genetic polymorphism of drug metabolizing enzyme, transporter and target greatly influence the individual difference of drug efficiency and toxicity.
这些无毒基因编码含偶数个半胱氨酸的小分子量蛋白，在叶霉菌毒性菌株中的存在与否及存在方式各不相同。
All the Avr genes encode small molecular weight proteins with even Numbers of cysteines, and their existence and variance are different in the virulent strains.
目的：观察高浓度葡萄糖体外对胰岛细胞凋亡及凋亡相关基因表达的影响，探讨葡萄糖毒性及其分子机制。
Objective: To study the effects of high concentration glucose on islet cell apoptosis and apoptosis related genes, and discuss the glucose toxicity and its molecular mechanism.
摘要腺病毒载体具有高效转染和低细胞毒性的特点，已成为基因治疗研究中应用最广泛的载体之一。
Adenovirus vectors have the characteristics of high transfection efficiency and low cytotoxicity, and they have become most widely used vectors for gene therapy.
另一种对病毒毒性具有重要影响的突变，存在两种感染小鼠的流感病毒株的NA基因上。
The other mutation with a significant effect on virulence has been seen in the NA gene of two influenza virus strains that infect mice.
另一种对病毒毒性具有重要影响的突变，存在两种感染小鼠的流感病毒株的NA基因上。
The other mutation with a significant effect on virulence has been seen in the NA gene of two influenza virus strains that infect mice.
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