نتایج جستجو برای: vntr analysis
تعداد نتایج: 2825093 فیلتر نتایج به سال:
Strain typing using variable-number tandem repeats of mycobacterial interspersed repetitive units (MIRU-VNTR) is a powerful tool for studying the epidemiology and genetic relationships of Mycobacterium tuberculosis isolates. For this study, isolates from 291 patients in Singapore were genotyped by this method. One hundred sixty-six distinct MIRU-VNTR patterns were detected. One hundred sixty-tw...
BACKGROUND Combining different molecular typing methods for Mycobacterium tuberculosis complex (MTBC) can be a powerful tool for molecular epidemiology-based investigation of TB. However, the current standard method that provides high discriminatory power for such a combination, mycobacterial interspersed repetitive units-variable numbers of tandem repeats typing (MIRU-VNTR), is laborious, time...
Repetitive DNA motifs with potential variable-number tandem repeats (VNTR) were identified in the genome of Neisseria meningitidis and used to develop a typing method. A total of 146 meningococcal isolates recovered from carriers and patients were studied. These included 82 of the 107 N. meningitidis isolates previously used in the development of multilocus sequence typing (MLST), 45 isolates r...
macrophages and t-lymphocytes are involved in immune response to mycobacterium tuberculosis. macrophage produces interleukin (il)-1 as an inflammatory mediator. il-1 receptor antagonist (il1-ra) is a natural antagonist of il-1 receptors. in this study we aimed to examine the possible association between the variable number of tandem repeats (vntr) of the il-1 receptor antagonist (il1rn) gene an...
BACKGROUND The MIRU-VNTR polymorphism and katG463 mutation are used to genotype the mycobacterium tuberculosis, but the correlation between them and INH-resistance were unknown. This study was aimed to explore whether ETRE polymorphism and katG463 mutation could predict the INH-resistance, and the relationship between ETRE polymorphism and katG463 mutation. METHODS The ETRE, katG463 mutation ...
Pseudomonas aeruginosa is an opportunistic pathogen that causes nosocomial infections in intensive care units. Determining a system of typing that is discriminatory is essential for epidemiological surveillance of P. aeruginosa. We developed a method for the typing of Pseudomonas aeruginosa, namely, multiple-locus variable-number tandem-repeat (VNTR) typing with high-resolution melting analysis...
Factors that can interfere with the successful treatment of Mycobacterium avium lung infection have been inadequately studied. To identify a potent predictor of therapeutic responses of M. avium lung infection, we analyzed variable number tandem repeats (VNTR) at 16 minisatellite loci of M. avium clinical isolates. Associations between the VNTR profiling data and a therapeutic response were eva...
1. Abstract 2. Introduction 3. Genotyping methods 3.1. Genetic markers 3.1.1. Insertion sequences 3.1.2. Short repetitive DNA sequences 3.2. Restriction fragment length polymorphism analysis 3.2.1. IS6110 RFLP analysis 3.2.2. PGRS RFLP analysis 3.3. PCR-based typing 3.3.1. Mixed-linker PCR 3.3.2. Spoligotyping 3.3.3. VNTR and MIRU-VNTR typing 3.4. Comparison of genotyping methods 4. Molecular e...
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...
Mycobacterium bovis populations in countries with persistent bovine tuberculosis usually show a prevalent spoligotype with a wide geographical distribution. This study applied mycobacterial interspersed repetitive-unit-variable-number tandem-repeat (MIRU-VNTR) typing to a random panel of 115 M. bovis isolates that are representative of the most frequent spoligotype in the Iberian Peninsula, SB0...
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