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- The overall virulence gene prevalence was 62.7% (42/67); and the main virulence gene type was slt_1+ slt_2+eaeA+hly. 62.;7%25的株菌(42/67)携带有毒力基因;毒力图谱类型主要为slt1+slt2+eaeA+hly。
- Methods and Results To review the literatures, and summarize the contents from the overview, pathogenicity, virulent genes and possible mechanisms of coccoid conversion in H.pylori. 方法与结果回顾文献,从球形幽门螺杆菌的一般概况、致病性、其毒力基因以及可能的球变机制几个方面进行综述。
- By the colony hybridization with the virulence gene brobes of ctx, zot, ace, and RS1, all of CVC were positive. 用ctx、zot、ace、RS1为探针，对471株O1群霍乱弧菌进行毒力基因检测； 结果：CVC菌株全部阳性；
- Methods:Seafoods were collected randomly from different hotels in Nanjing and EHEC O157:H7 was detected and regular biochemistry,serology and virulent genes detection by PCR were carried out. 方法:随机采取南京市各大宾馆的海水产品,进行大肠埃希菌O157:H7的检测,进行常规生化和血清学、毒力基因的PCR检测。
- Also covered are methods for studying gene expression and detecting virulence genes. 此外包括是用于研究基因表示和检测有毒基因方法。
- These results indicate that the major virulence genotype of Anhui isolation strains is the high virulence phenotype of alt~+aha1~+aerA~+ and the virulence gene alt generally exists in different Aeromonas phenospecies. 表明气单胞菌安徽分离株的主要毒力基因型是alt+aha1+aerA+的高毒力表型,alt毒力基因普遍存在于不同表型种气单胞菌中。
- Adhesion gene (aha1), aerolysin gene (aerA) and cytotonic enterotoxin gene (alt) were considered as major virulence genes of Aeromonas. 粘附素(aha1)、气溶素(aerA)和细胞兴奋性肠毒素(alt)是气单胞菌的主要毒力因子。
- Methods By RT-PCR,specific amplification products of P2 gene from H2 final product and its parent seed were obtained,then sequenced and blasted to analyze its virulence gene VP1/2A and 2C. 方法通过逆转录-聚合酶链反应,特异扩增甲肝减毒活疫苗H2株成品疫苗及其亲本毒种P2区VP1/2A、2B、2C基因序列,经测序、比对,分析检测毒力基因VP1/2A、2C的变异情况。
- Some pathogenicity was steadily inherited, which suggested that the virulence genes controlling the pathogenicity appeared to be homozygous nuclear gene. 控制大豆疫霉菌的致病基因分布在不同位点，有的遗传稳定，由纯合的核基因控制；
- I stood up for her despite the virulent criticism. 尽管她遭到恶毒的批评，我还是维护她。
- In 20 grade 1 ulcers (92%), no virulence genes were identified whereas these genes were present in all but one grade 2-4 ulcers. 除了1名病人外，致病基因在所有2-4级溃疡病人中都被检测到，而在1级溃疡病人中，20名(92%25)未检测出致病基因。
- On the contrary, two grade 1 ulcers healed: the genotype profiles were different from those at inclusion but without appearance of virulence genes. 相反，两名1级病人治愈后，基因型却不同于那些包含但未表现的致病基因。
- Keywords Leptospira interrogans;virulent gene;outer Membrae Protein;gene targeting;cassette ligation semi-nested PCR; 钩端螺旋体;毒力基因;外膜蛋白;基因打靶;盒式连接半巢式PCR;
- Pseudomonas is also known to switch on its virulence genes in response to signals from quorum sensing. 据了解假单细胞菌也会打开它的有毒基因以响应来自群体的信号。
- They worked in the virulent sun. 他们在烈日下劳作。
- To make(bacteria or viruses) less virulent. 使病毒减弱减弱（细菌或真菌）的毒性
- According to the four types of virulence genes: stx1, stx2, eaeA and hlyA, four pairs of specific primers have been designed. [方法]针对产志贺毒素大肠杆菌(STEC)的stx1、stx2、eaeA、hlyA4种毒力基因,设计了4对特异性引物。
- Methods Virulence genes, including stx1, stx2, EPEC and EHEC general eaeA fragment (eaeA-gen), were amplified by multiplex PCR in E. coli strains. 方法 应用多重PCR同时检测大肠埃希菌菌株的stx1、stx2、EPEC和EHEC共同的eaeA(eaeA -gen)等靶基因 ;
- This virus was both lethal and virulent. 这种病毒不但致死率高，而且毒性极强。
- There are also unknown virulence factors being identified with exception of known virulence genes identified in all these screens. 这些筛选中除了找到已知的毒力基因外,还都鉴定到了未知的毒力因子。
