نتایج جستجو برای: variable number tandem repeats

تعداد نتایج: 1444072  

2009
Yoav Y. Broza Yael Danin-Poleg Larisa Lerner Lea Valinsky Meir Broza Yechezkel Kashi

A 3-year environmental and clinical Vibrio vulnificus survey using simple-sequence repeats typing shows that V. vulnificus biotype 3 constitutes approximately 21% of the bacterium population in tested aquaculture ponds as opposed to approximately 86% of clinical cases. Simple-sequence repeats proved to be a useful epidemiologic tool, providing information on the environmental source of the path...

Journal: :Infection and immunity 1997
A van Belkum S Scherer W van Leeuwen D Willemse L van Alphen H Verbrugh

An algorithm capable of identifying short repeat motifs was developed and used to screen the whole genome sequence available for Haemophilus influenzae, since some of these repeats have been shown to affect bacterial virulence. Various di- to hexanucleotide repeats were identified, confirming and extending previous findings on the existence of variable-number-of-tandem-repeat loci (VNTRs). Repe...

2016
Songzhe Fu Sophie Octavia Qinning Wang Mark M. Tanaka Chin Yen Tay Vitali Sintchenko Ruiting Lan

Salmonella enterica serovar Typhimurium is the most common Salmonella serovar causing human infections in Australia and many other countries. A total of 12,112 S. Typhimurium isolates from New South Wales were analyzed by multi-locus variable number of tandem repeat (VNTR) analysis (MLVA) using five VNTRs from 2007 to 2014. We found that mid ranges of repeat units of 8-14 in VNTR locus STTR5, 6...

Journal: :FEMS microbiology letters 2008
Raikamal Ghosh G Balakrish Nair Li Tang J Glenn Morris Naresh C Sharma Mamatha Ballal Pallavi Garg Thandavarayan Ramamurthy O Colin Stine

By conventional genetic methods, including pulse-field gel electrophoresis and multilocus sequence typing, most pathogenic, cholera toxin-positive O1 and O139 isolates of Vibrio cholerae cannot be distinguished. We evaluated relationships among 173 V. cholerae isolates collected between 1992 and 2007 from different geographic areas in India by analyzing five variable number of tandem repeat (VN...

Journal: :Biocell : official journal of the Sociedades Latinoamericanas de Microscopia Electronica ... et. al 2010
Valeria C Denninghoff Georgina P Ossani Ana M Uceda Maria A Avagnina Boris Elsner Alberto J Monserrat

Weanling Sprague-Dawley rats were fed on a choline-deficient diet with hydrogenated vegetable oil and corn oil as lipids develop acute renal failure. Pathogenesis of the latter is controversial and an ischemic mechanism has been proposed. Arachidonic acid derivatives are involved in the regulation of vascular tonus. Vasospasm could be due to an increase in tromboxane A2-mediated vasoconstrictio...

Journal: :Journal of medical microbiology 2010
Nidia E Lucero Marina Tenenbaum Nestor R Jacob Gabriela I Escobar Pauline Groussaud Adrian M Whatmore

Consumption of inadequately pasteurized dairy products is the most common means of transmission of brucellosis. This report describes two foodborne outbreaks that occurred in families infected after consumption of fresh home-made cheese bought in different Argentine provinces. High resolution variable number of tandem repeats (VNTR)-based analysis revealed two well-defined groups comprising ess...

2003
Rulla M. Tamimi Susan E. Hankinson Shaofeng Ding Virgilio Gagalang Garry P. Larson Donna Spiegelman Graham A. Colditz Theodore G. Krontiris David J. Hunter

Rare alleles at the HRAS1 variable number of tandem repeats (VNTRs) locus have been implicated in breast cancer risk. We assessed the association of rare HRAS1 alleles and breast cancer in a case-control study nested within the Nurses’ Health Study cohort. Using PCRbased methods, 717 incident breast cancer cases and 798 controls were genotyped for the HRAS1 VNTRs. The prevalence of the rare all...

2015
Hiroshi Katoh Hiromitsu Inoue Toru Iwanami Chunxian Chen

Citrus greening (huanglongbing) is the most destructive citrus disease worldwide. The disease is associated with three species of 'Candidatus Liberibacter' among which 'Ca. Liberibacter asiaticus' has the widest distribution. 'Ca. L. asiaticus' is commonly transmitted by a phloem-feeding insect vector, the Asian citrus psyllid Diaphorina citri. A previous study showed that isolates of 'Ca. L. a...

Journal: :Journal of clinical microbiology 2004
Vincent Ramisse Perrine Houssu Eric Hernandez France Denoeud Valérie Hilaire Olivier Lisanti Françoise Ramisse Jean-Didier Cavallo Gilles Vergnaud

The genomic sequences of Salmonella enterica subsp. enterica strains CT18, Ty2 (serovar Typhi), and LT2 (serovar Typhimurium) were analyzed for potential variable number tandem repeats (VNTRs). A multiple-locus VNTR analysis (MLVA) of 99 strains of S. enterica supsp. enterica based on 10 VNTRs distinguished 52 genotypes and placed them into four groups. All strains tested were independent human...

Journal: :Journal of clinical microbiology 2005
Nat Smittipat Pamaree Billamas Manee Palittapongarnpim Arunee Thong-On Mansuet M Temu Prateep Thanakijcharoen Opart Karnkawinpong Prasit Palittapongarnpim

Genotyping based on variable-number tandem repeats (VNTR) is currently a very promising tool for studying the molecular epidemiology and phylogeny of Mycobacterium tuberculosis. Here we investigate the polymorphisms of 48 loci of direct or tandem repeats in M. tuberculosis previously identified by our group. Thirty-nine loci, including nine novel ones, were polymorphic. Ten VNTR loci had high a...

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