毒力

浙江省检出带毒力基因的人源性肠出血性大肠杆菌O（157）：H7

Human EHEC O_ ( 157 ): H_7 with Virulence Gene Detected in Zhejiang Province

志贺菌6种毒力基因的多重PCR检测

Detection of six kinds of virulence genes in Shigella species by multiplex PCR

对病毒进行灭活，测定残存毒力

Viruses were inactivated by BPL and the toxicity measured again . BPL

VISUALBASIC6.0在农药毒力测定数据处理中的应用

Application of Visual Basic 6.0 in Calculating of Toxicity Assay Date

致病性小肠结肠耶氏菌DNA多态性及其毒力表达

DNA polymorphism and pathogenic expression of Yersinia enterocolitica

方法毒力测定和4对引物PCR按常规方法进行。

Methods Narcotics test and4-pair-primer-PCR are both done in traditional way .

检测猪链球菌2型毒力相关蛋白的ELISA法的建立

Establishing of ELISA for detecting virulence related proteins of Streptococcus suis type 2

方法对43株从患者粪便和食物中分离菌株进行质粒图谱分析、质粒DNA酶切图谱分析、随机PCR分析、set1/set2毒力基因PCR分析。

Methods Plasmid profile analysis , Plasmid DNA restriction endonuclease analysis , RAPD-PCR , Set1 / set2-PCR .

毒力回归方程b值的毒理学意义及剂量死亡曲线坡度度量的探讨

On the Toxicological Meaning of b of the Linear Regression Equation and the Measurement of the Slope of Dose / lethal Curve

致羔羊脑炎粪肠球菌分离鉴定及毒力因子基因的PCR检测

Identification of Enterococcus faecalis Inducing Encephalitis in Lamb and Detection of virulence factor gene by PCR

应用RT-PCR对新城疫病毒分离株毒力的快速鉴定

Rapid Differentiation of the Virulence of Newcastle Disease Virus Isolates by RT-PCR

结论本地区儿童主要感染HpⅠ型毒力菌株，引起的胃十二指肠粘膜炎症较严重。

Conclusions Children in our region infected with mainly Hp type ⅰ strains .

应用多重PCR检测水生动物源气单胞菌安徽分离株的毒力基因型分布

Detection of virulence genotypes distribution in Anhui isolation strains of Aeromonas spp. from aquatic animals by multiplex PCR

聚合酶链反应（PCR）分别检测特异性基因和毒力基因。

Polymerase Chain Reaction ( PCR ) was used to test specific genes and toxicity genes , respectively .

Excel在杀虫药物毒力测定中的应用方法

Application Method to Calculate Toxicological Test with Excel

3%阿维·高氯EC的毒力及对大豆害虫的防治效果

The Toxicity and Control Efficiency of Mixture of 3 % Avermectin and Cypermethrin

破伤风毒素及其AB片段对金鱼的毒力

Toxic Effects of Tetanus Toxin and Fragment AB on Goldfish

我国3株登革2型病毒E基因序列测定及毒力基因位点分析

The genomic sequence determination and virulent gene analysis of the E protein of three dengue 2 virus strains isolated in China

对烟草粉螟高毒力Bt伴孢晶体的特征与SDS-PAGE分析

SDS-PAGE and Characteristic of Bacillus thuringiensis Parasporal Crystal

已有许多研究表明，LPS的合成对于福氏志贺氏菌毒力的发挥是必不可少的。

Many studies have shown that LPS is essential to the virulence of S. flexneri .

利用MTT法以茼蒿素类似物对昆虫细胞毒力筛选及测定

Screening Derivatives of Spiro Enol Ether and Testing Its Toxicity on Spodoptera litura Cell with MTT Method

织纹螺毒力消长及其栖息地环境影响的调查用MATLAB实现三维模拟海螺模型

Investigation on the Changing of Toxicity of Basket Whelk and Influence on its Living Environment The Simulation of Three-dimentional Whelk Model by Using MATLAB

对甜菜夜蛾高毒力Bt新菌株的PCR-RFLP分析及生物活性测定

PCR-RFLP analysis of new Bt strains against Spodoptera exigua and toxicity activity analysing

SV1对氧化乐果杀虫剂的毒力影响与增效研究

A Study on the Toxicity of Omethoate Mixed with the Synergist SV_1

作者研究了破伤风毒素及其AB片段对金鱼和小鼠的毒力，发现16ng的毒素即可使金鱼麻痹和死亡；

The toxic effects of tetanus toxin and its fragment AB on goldfish and mice were de-scribed .

结果表明，田间赤星病菌繁殖代数越高毒力越强，毒力差异是病菌基因组DNA致病相关基因差异所致。

The results showed that pathogen virulence increased with the increase of reproductive generations , the virulence variation was caused by the variation of pathogenetic DNA gene of pathogen .

军团菌rcp毒力基因的聚合酶链反应检测方法研究

Detection of Legionella pneumophila rcp Virulence Gene by Polymerase Chain Reaction

目的探讨人嗜酸乳杆菌对幽门螺杆菌（HelicobacterPylori，HP）毒力株的体外拮抗作用，筛选出对HP毒力株有明显拮抗作用的嗜酸乳杆菌菌株。

OBJECTIVE To screen the strains of human Lactobacillus acidophilus that have obvious antagonistic activity against Helicobacter pylori in vitro .

iss基因与鸡大肠杆菌毒力相关性的分析

Study on the Relationship between iss Gene and Virulence of Avian E.coli

结论1.浙江地区儿童感染的Hp绝大多数为具有cagA基因的毒力菌株。

Conclusions 1 . Most of the Hp infected children carried cagA gene in Zhejiang region .