目的调查兰州市分离志贺菌株的毒力基因型。
Objective To investigate the virulent genes of Shigella SPP separated from the patients from Lanzhou city.
其余4株不携带毒力基因的牛粪分离株为不相关菌株。
Another 4 strains without virulence genes were considered unrelated to the other strains.
结论中国副溶血性弧菌水产品分离株毒力基因携带率非常低。
Conclusion The rate of carrying virulence gene in Vibrio parahaemolyticus from seafood isolates was very low in China.
目的了解中国部分水产品中副溶血性弧菌毒力基因的分布情况。
Objective To study the distribution characteristics of virulence genes in Vibrio parahaemolyticus isolated from seafood in China.
目的：研究龙泉市首例O139群霍乱弧菌耐药性及毒力基因携带情况。
Objective:To study the drug resistance and the toxin gene of the first Vibrio cholerae O139(VCO139) in Longquan.
目的了解吉林省致病性小肠结肠炎耶尔森氏菌血清型毒力基因的分布情况。
Objective To Know about the distributional condition of pathogenic serum type toxicity gene.
目的从分子水平鉴定四川省2005年不明原因疾病病原菌的属、种、型及毒力基因，为诊断和治疗提供科学依据。
Objective to identify the genus, species, type and toxic gene of pathogenic bacteria causing disease outbreak in Sichuan in 2005, in order to provide scientific basis for diagnosis and treatment.
摘要 ：目的基于多重聚合酶链反应（PCR）建立一种快速方便的检测副溶血弧菌“大流行菌群”及其毒力基因的方法。
Abstract : Objective To establish a multiplex PCR assay for the rapid detection of pandemic group of Vibrio parahaemolyticus and toxic genes based on GS-PCR.
细菌全基因组序列测序工作的完成将给人类分析和研究编码细菌毒性蛋白的毒力基因、认识和阐明毒性蛋白的毒理带来新的机遇。
All those works will bring a new opportunity to study the toxicity gene of coding bacterial toxicity protein, and to understand the toxicology of toxicity protein.
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o 157：H7的检测，进行常规生化和血清学、毒力基因的PCR检测。
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.
如由噬菌体介导的细菌毒力基因的转移、细菌耐药基因的传递等导致了病原菌基因表型的多态性，这在医学与遗传学中是一个日益严峻的重要问题。
For example, transfer of virulence gene and transmission of drug-resistant gene mediated by a phage results in gene polymorphism of bacteria, which is an important problem in medicine and genetics.
然后我们才能真正地开始寻找该物种的种内遗传变异，并获得和耐药性或毒力有关的一些基因的信息。
Then we can really start to look at the genetic variation within the species and gain insight into some of the genes involved in drug resistance or virulence.
目的探讨钩端螺旋体(钩体)毒力相关基因的分布特点。
Objective to analyze factors related to the virulence associated genes of Leptospires.
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。
They are not only synergic in biologic activities but also interactive in molecularity, which is regulated by the genes of virulence island.
目的研究肠产志贺样毒素且具侵袭力的大肠杆菌（ESIEC）菌株是否含有耶尔森菌的HPI（毒力岛）基因。
Objective To study whether the genes of HPI island of Yersinia is existed in enteric Shigelloid toxin producing and invasive Escherichia coli (ESIEC).
当前狂犬病毒流行株与人用、兽用狂犬病疫苗株在基因和蛋白质水平出现的多处变异可能会导致流行株毒力的增强以及疫苗对它们的保护效果降低。
The Chinese isolates of rabies virus were diverged from the vaccines in both genes and deduced proteins. These divergences may result in the inefficiency of the vaccines.
如构建出突变体库，从中筛选出毒力减弱的副猪嗜血杆菌突变菌株，对研制出基因工程弱毒活疫苗具有重要意义。
So it's has great significance to construct the mutant storehouse and slecte the toxicity weak Hps mutant strain for developing the genetic engineering attenuated vaccine.
病菌群体对所测定的30个抗瘟基因均表现出毒性，毒力频率为17。
The strains population was virulent to all 30 rice blast monogenic lines, virulence frequency(VF)ranged from 17.
突变株和野生株的毒力蛋白差异表达是评价基因功能的一个重要依据。
The differential expression of virulent proteins was an important index to evaluate the gene function of mutants.
以比较基因组学为研究手段，细菌进化基因组学可从基因组水平深入认识物种分化、生境适应、毒力进化、耐药性产生蔓延等表型进化过程。
It is the time to call for evolutionary genomics which probe into bacterial diversity, niche adaptation, virulence evolution, and drug resistance from the view of whole genome.
该领域国外研究热点在嗜水气单胞菌毒素的基因组结构、相关毒力因子基因克隆和序列比较以及毒素蛋白的表达和致病机理等方面。
In this study, the Aer toxin gene was cloned and expressed in prokaryotic system and the antigenicity of its recombinant protein was analyzed.
目的研究a (H1N1)甲型流感病毒基因多态性对病毒复制及毒力的影响。
ObjectiveTo study the effect of gene polymorphism of a (H1N1) influenza virus on viral replication and virulence.
目的建立猪链球菌基因芯片检测方法，实现对猪链球菌种、致病血清型及毒力相关基因的同步检测和鉴定。
In order to develop a DNA microarray to detect Steptococcus suis species, its serotype and virulence-associated genes simultaneously, a set of probes specific for the target genes were designed.
目的建立猪链球菌基因芯片检测方法，实现对猪链球菌种、致病血清型及毒力相关基因的同步检测和鉴定。
In order to develop a DNA microarray to detect Steptococcus suis species, its serotype and virulence-associated genes simultaneously, a set of probes specific for the target genes were designed.
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