virulence
The capsule is a major virulence factor.
毒力因子。
Animal experiment showed it had virulence to mice.
动物试验结果表明,该菌对小白鼠有致病力。
Reduced or weakened, as in strength, value, or virulence.
细弱的指在力度、价值或毒性上减少或变弱
Rv0901 might be related to the virulence of M. tuberculosis.
Rv0901基因可能与结核毒力存在一定关系。
Objective To analyse the virulence of Pomes mirabilis.
目的奇异变形杆菌致病因子研究。
Host resistance and fungal virulence parallel each other in the cross.
寄生的抗病性的病原菌的毒力在杂交中是势均力敌的。
The results showed that the JDS-CPV has higher virulence to pine caterpillar.
证实JDS-CPV对我国马尾松毛虫有较好的毒力。
DETERMINATION OF VIRULENCE OF COTTON WILT PATHOGEN VERTICILLIUM DAHLIAE KLEB.
大丽轮枝菌在棉花上的毒力测定
Conclutions The virulence of Y.pestis from plague nature foci is moderate.
结论河北省鼠疫自然疫源地病原菌毒力属于中等毒力。
Methods Multiplex PCR was applied to detect virulence characters with four pairs of primers.
方法设计4对引物进行多重pcr检测菌株毒力基因特征;
It suggested that: the detection of IS605 was related to alternation in virulence of Hp.
提示IS6 0 5的出现 ,与hp致十二指肠溃疡的毒力改变有关。
Measurement of virulence in laboratory and field trials of its control effects for 20% phoxin-avermectin E. C.
20%辛·阿乳油的室内毒力测定及田间药效试验。
Methods To summarize the curative effect in clinical use and carry out animal acute virulence test.
方法观察其临床疗效,并进行动物急性毒性试验。
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%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 Detected Endotoxin by using Limuloid trial .Detected Virulence and ST by using mice.
方法利用鲎试验测定毒素,小白鼠测定毒力和肠毒素。
Aim To reveal the virulence variation related to vacuolating cytotoxicity of coccoid Helicobacter pylori .
目的揭示球形幽门螺杆菌致细胞空泡变性毒力的变异情况。
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；
Both the strains retained their full virulence in the first 5-6 generations as titrated in goats.
作者曾使用山传鸡胚适应强毒组织制成灭活疫苗,用以免疫山羊,结果未获得成功。
Conclusion In this way we can draw a conclusion th at has a strong virulence to citellus dauricus...
89%。结论C型肉毒梭菌毒素对达乌尔黄鼠有较强的毒力。
There are two crucial factors: the transmissibility of the virus, and its virulence.
有两个关键因素：病毒的传播性和其毒性。
The shift of virulence in ASD7 of rice brown planthopper from field and laboratory was studied.
研究了杭州褐飞虱田间种群在抗虫品种ASD7上强迫饲养多代后致害性的变化。
We now have atomically detailed structures of many of the proteins that promote virulence of human pathogens.
也就是说，我们可能通过蛋白质的排列次序准确地分析出他 们的结构。
The virulence and the wound infection ability of the 4 dominant vibrios have been tested in mice.
动物实验数据证实了4种优势弧菌的毒力和伤口感染能力。
A bacterial virulence rejuvenescence method in dairy goats and an ELISA for the detection of antibody were established.
采用这些菌株和一系列新工艺和新方法，研制出了乳牛乳腺炎灭活多联疫苗。
In this paper the genetic studies on the virulence factors of Mutans streptococci were reviewed.
本期重点回顾了关于变形链球菌毒力因子的遗传学研究状况,这方面的研究正是当前的热门课题。
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。
Many bacteria including some pathogens can enter this state and maintain virulence or pathogenicity.
许多细菌包括病原微生物可进入这一状态并保持毒力或致病性。
Conclusion Scopulariopsis brevicaulis is a kind of opportunistic fungus with relatively high virulence.
结论短帚霉是一种毒性较强的条件致病菌。
Objective To study the correlation between the virulence of C.albicans and the activity of secretory acid proteinase.
目的研究白念珠菌的毒力与分泌性酸性蛋白酶活力间的关系。
Furthermore, the change of virulence factors of candida is contributed to the pathogenesis.
而念珠菌毒力因子的变化对于该病的发生也有重要作用。
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。
Please analyse the reasons of virulence variation of Puccinia striiformis f. sp. tritici.
小麦三种锈病的生物学是否完全一致？
S. pyogenes produces several virulence factors and many of them have been shown to contribute to its infection.
化脓性链球菌可以产生许多的致病毒力因数，而过去已有许多相关研究。
This paper summarizes the development of the vibriosis and the virulence mechanisms in marine animals in recent years.
概述了国内外发现的主要致病弧菌及其致病机理。
Conclusion Endotoxin and ST are important factors in the Virulence of Pomes mirabilis.
结论内毒素,耐热肠毒素(ST)是奇异变形杆菌主要的致病因子。
The researchers also found that high-salt conditions increased transcription of two genes responsible for the virulence of H. pylori.
研究人员还发现，高盐环境使得与幽门螺旋杆菌危害性相关的两个基因转录增加。
Hemolysin is an important virulence factor in many species of genus Vibrio, but theprevious study on hemolysin from V. anguillarum was not adequately.
在许多弧菌属的细菌中，溶血素是一种重要的毒力因子，但是关于鳗弧菌的溶血素的研究还很不充分。
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%)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。
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。
Avian influenza is caused by an orthomyxovirus, or influenza virus. Viruses in this group vary widely in their pathogenicity or virulence.
禽流感是由一种正粘病毒或称为流感病毒引起的，同组病毒在致病性和毒力上有较大的差异，
The main virulence factors for EHEC O157 include Stx,hemolysin and effector proteins encoded by LEE pathogenicity island.
控制该病暴发流行的最好措施是免疫预防,但目前还没有研制出可用于人的疫苗。
They are not only synergic in biologic activities but also interactive in molecularity,which is regulated by the genes of virulence island.
各毒力因子不仅在生物学活性上具有协同作用,而且在分子水平上也是相互影响,受毒力岛上调控基因调节。
Its capsulc is its main virulence factor.It can be preve nted and cured with antibiotics,microbiology preparation and bacterin.
荚膜是其主要的毒力因子,可用抗菌类药物、微生态制剂或菌苗进行防治。
In order to understand the pathogen and pathogenesy of the disease, the aetiology, pathology and virulence factors were studied.
本试验对其病原学、病理学及致病因子的致病作用等进行了研究，其目的在于搞清该病的病原与致病机理，为养殖生产中有效地诊断和防治该病提供科学依据。
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。
The BAU-1 was confirmed to be nonpathogenic to ducklings,good stability, and no revertion to virulence on 5 passages in susceptible ducklings.
试验表明,BAU-1对雏鸭安全无毒性,稳定性好,在敏感鸭体内连传5代无毒力返强现象。
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 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 ;
The virulence detecting results of 383 Y. pestis strains from Qinghai Marmota himalayana natural focus were analysed in this paper.
本文对青海省喜马拉雅旱獭鼠疫自然疫源地内的383株鼠疫菌的毒力测定结果进行了分析。