نتایج جستجو برای: vntr تایپینگ
تعداد نتایج: 1809 فیلتر نتایج به سال:
Sixty-eight ancestral Mycobacterium tuberculosis isolates were previously identified by using the tuberculosis-specific deletion 1 (TbD1) PCR and mycobacterial interspersed-repetitive-unit-variable-number tandem repeat (MIRU-VNTR) typing (Y. J. Sun, R. Bellamy, A. S. G. Lee, S. T. Ng, S. Ravindran, S.-Y. Wong, C. Locht, P. Supply, and N. I. Paton, J. Clin. Microbiol. 42:1986-1993, 2004). These ...
The R408W phenylketonuria mutation in Europe has arisen by recurrent mutation in the human phenylalanine hydroxylase (PAH) locus and is associated with two major PAH haplotypes. R408W-2.3 exhibits a west-to-east cline of relative frequency reaching its maximum in the Balto-Slavic region, while R408W-1.8 exhibits an east-to-west cline peaking in Connacht, the most westerly province of Ireland. S...
The phylogeny and evolution of the bacterium Mycobacterium tuberculosis is still poorly understood despite the application of a variety of molecular techniques. We analyzed 469 M. tuberculosis and 49 Mycobacterium bovis isolates to evaluate if the mycobacterial interspersed repetitive units-variable-number tandem repeats (MIRU-VNTR) commonly used for epidemiological studies can define the phylo...
AIMS The aim of this study was to investigate the relationship between gene Period3 (Per3) variable number tandem repeat (VNTR) polymorphism and chronic heart failure (CHF). METHODS The study subjects (372 patients of Caucasian origin with CHF and 332 healthy controls) were genotyped for Per3 VNTR polymorphism using an allele-specific PCR. RESULTS No significant differences in genotype or P...
The relevance of the insulin gene (INS) variable number tandem repeat (VNTR) polymorphism to indexes of body size and adult obesity is inconclusive. Given the equivocal reports on the association between the VNTR class genotype at the insulin gene locus and indexes of body size and obesity, we assessed these associations in a series of cohort studies based on 7,999 middle-aged men and women. We...
سابقه و هدف: بورخولدریا مالئی عامل مشمشه و یکی از قدیمی ترین بیماری های عفونی واگیردار و مشترک بین انسان و حیوان است که اغلب تک سمی ها (اسب، الاغ، قاطر و گورخر) را مبتلا می نماید. همگام با پیشرفت در مطالعه ژنوم باکتری های بیماری زا در سال های اخیر، روش های مولکولی به منظور مطالعه مقایسه ای و اپیدمیولوژی بورخولدریا مالئی توسعه یافته اند. این مطالعه برای اولین بار با هدف بهینه سازی روش آنالیز مت...
this study was designed to find out the impact of the variable number of tandem repeats (vntr) of the tumor necrosis factor receptor 2 (tnfrsf1b) on pulmonary tuberculosis (ptb) risk in an iranian population. this case-control study was done on 159 ptb patients and 158 healthy subjects. bi-allelic tnfrsf1b vntr was genotyped by polymerase chain reaction. logistic regression analysis revealed no...
A multiplex PCR method incorporating primers flanking three variable-number tandem repeat (VNTR) loci (arbitrarily labeled TR1, TR2, and TR3) in the CT18 strain of Salmonella enterica serovar Typhi has been developed for molecular typing of S. enterica serovar Typhi clinical isolates from several Asian countries, including Singapore, Indonesia, India, Bangladesh, Malaysia, and Nepal. We have de...
BACKGROUND Tuberculosis (TB) is a serious problem in China. While there have been some studies on the nationwide genotyping of Mycobacterium tuberculosis (M. tuberculosis), there has been little detailed research in Beijing, the capital of China, which has a huge population. Here, M. tuberculosis clinical strains collected in Beijing during 2009 were genotyped by classical methods. METHODOLOG...
سابقه و هدف: تعدد جهش در ژن PAH (عامل PKU) باعث میشود که در بسیاری از موارد تشخیص جهش بیماری‌زا امکان‌پذیر نباشد. در این موارد برای شناسایی ناقلین از پلی مورفیسم‌های درون و نزدیک ژن PAH استفاده میشود. VNTR (Variable Number of Tandem Repeat) یکی از مارکرهای چند آللی ژن PAH می باشد. در این مطالعه، فراوانی و توزیع آلل‌های VNTR ژن PAH در کلیه مبتلایان PKU شناخته شده استان یزد تا ابتدای سال 1387 ...
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