virulence mutants

A preliminary study on mechanisms of a virulent gene mutant Du728 against rice leaf blight;

毒性基因缺失突变体Du728防治水稻白叶枯病作用机制初探

In this paper the HQSAR technique is employed to investigate the mutagenic toxicity together with the application of Partial Least Squares (PLS) regression.

本文应用这一最新的QSAR技术 ,采用偏最小二乘回归技术 ,研究了 5 4种硝基芳烃的致突变毒性 ,建立了QSAR定量预测模型 。

Mutations Affecting Virulence Induced by Biolistics in Puccinia Striiformis;

基因枪介导小麦条锈菌毒性突变的研究

Virulence Mutants of Wheat Leaf Rust Induced by Ultraviolet Radiation and EMS;

紫外线及EMS方法诱导小麦叶锈菌毒性突变研究

Cytotoxicity and Mutagenicity of Tea Containing High Content of Fluoride

高氟茶浸泡液的细胞毒性及致突变性

Experimental study on acute toxicity and mutagenicity of salicylic acid disinfectant

水杨酸消毒粉急性毒性和致突变的实验研究

Acute Toxicity and Genotoxicity of Bioactive Peptide Powders

生物活性肽粉的急性毒性和致突变性试验

Study on Mutagenicity and Sub-acute Toxicity of the Extract from Blackcurrant

黑加仑提取物的致突变性和亚急性毒性研究

Studies of acute toxicity and mutated actions in mice from Chinese Ginseng Extract(CGE)

国产西洋参急性毒性及致突变作用的研究

A Study on the Construction of Human EBP Mutant and the Antiendotoxin Activity;

人内毒素结合肽突变体的构建及其抗内毒素活性研究

Construction of recombinant replication defective adenoviral vectors carrying attenuated Shiga-like toxin Ⅰ mutant gene and their therapeutic effects on breast cancer

携突变减毒Stx1编码序列重组腺病毒的构建及其抗乳腺癌的活性

Spontaneous and induced mutation occur with animals viruses.

动物病毒的突变有自发突变和诱发突变。

Experimental Study on Acute Toxicity and Mutagenicity of L-Leucine Calcium of a New Amino Acid Chelate Calcium

新氨基酸螯合钙制剂L-亮氨酸钙的急性毒性及致突变性

Experts say the SARS virus certainly will keep mutating, but they do not know whether those mutations will change the seriousness of the disease.

专家们说，SARS病毒肯定将会不断突变，但他们不知道这些突变是否会改变该病的严重性。

Association of Proteasome Activity with Accumulation and Cytotoxicity of Mutant Huntingtin Aggregates;

蛋白酶体活性与突变亨廷顿蛋白聚集物累积及其细胞毒性的关系

Study on Genetoxic and Mutagenicity of the Secondary Metabolites of Rhizotonia Leguminicola;

豆类丝核菌次级代谢产物的遗传毒性与致突变性研究

Construction and validation of adenovirus expressing dominant negative TGF-β type Ⅰ receptors

显性负性突变型TGF-β Ⅰ型受体腺病毒的构建和功能验证

Progress in the Development of Relationship between Gene Mutation and Antiviral Drug-resistance for Cytomegalovirus Disease

人巨细胞病毒基因突变与耐药性的相关性研究进展

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。

Considerable circumstantial evidence suggests that migratory birds can introduce low pathogenic H5 and H7 viruses to poultry flocks, which then mutate to the highly pathogenic form.

大量证据表明，候鸟可将低致病性病毒传播给鸡群，然后低致病性病毒突变产生高致病性形式。