نتایج جستجو برای: microsatellite polymorphisms
تعداد نتایج: 84525 فیلتر نتایج به سال:
A multilocus microsatellite typing (MLMT) approach based on the analysis of 15 independent loci has been developed for the discrimination of strains belonging to different Viannia species. Thirteen microsatellite loci were isolated de novo from microsatellite-enriched libraries for both Leishmania braziliensis and L. guyanensis. Two previously identified markers, AC01 and AC16, were modified an...
We have identified single-nucleotide polymorphisms (SNPs) in the mismatch-repair gene TcMSH2 from Trypanosoma cruzi. Phylogenetic inferences based on the SNPs, confirmed by RFLP analysis of 32 strains, showed three distinct haplogroups, denominated A, B, and C. Haplogroups A and C presented strong identity with the previously described T. cruzi lineages I and II, respectively. A third haplogrou...
Infectious mononucleosis (IM) is an immunopathological disease caused by EBV that occurs in young adults and is a risk factor for Hodgkin lymphoma (HL). An association between EBV-positive HL and genetic markers in the HLA class I locus has been identified, indicating that genetic differences in the HLA class I locus may alter disease phenotypes associated with EBV infection. To further determi...
Tumour necrosis factor (TNF) is a key proinflammatory mediator in rheumatoid arthritis (RA). The TNF locus, situated in the class III region of the MHC, is flanked by five microsatellite markers. It has previously been shown that this region influences susceptibility to RA; two TNF microsatellite haplotypes were found to be associated with RA. Evidence from murine studies has indicated that var...
The outcome of in vitro fertilization (IVF) depends substantially on the effectiveness of controlled ovarian hyperstimulation (COH) induced by administration of follicle-stimulating hormone (FSH). In COH, endogenously produced estrogens extend the action of FSH in stimulating folliculogenesis. We determined the associations between genetic variations in estrogen receptor ESR1 and ESR2 genes and...
To scrutinize the male ancestry of extant Native American populations, we examined eight biallelic and six microsatellite polymorphisms from the nonrecombining portion of the Y chromosome, in 438 individuals from 24 Native American populations (1 Na Dené and 23 South Amerinds) and in 404 Mongolians. One of the biallelic markers typed is a recently identified mutation (M242) characterizing a nov...
Analyses of DNA have not been widely used to distinguish coral sibling species. The three members of the Montastraea annularis complex represent an important test case: they are widely studied and dominate Caribbean reefs, yet their taxonomic status remains unclear. Analysis of amplified fragment length polymorphisms (AFLPs) and a microsatellite locus, using DNA from sperm, showed that Montastr...
The objective was to assess whether polymorphisms in the dopamine receptor and transporter genes are associated with development of primary cervical dystonia. A case-control allelic association study is described of 100 patients with cervical dystonia and 100 controls using polymorphisms within D1-5 receptor and dopamine transporter genes. No significant association was found between patient an...
We estimate an effective mutation rate at an average Y chromosome short-tandem repeat locus as 6.9x10-4 per 25 years, with a standard deviation across loci of 5.7x10-4, using data on microsatellite variation within Y chromosome haplogroups defined by unique-event polymorphisms in populations with documented short-term histories, as well as comparative data on worldwide populations at both the Y...
The perennial evergreen herb, Chimaphila japonica is found exclusively in East Asian temperate coniferous or sometimes in deciduous forests. By using the Fast Isolation by Amplified Fragment Length Polymorphism (AFLP) of Sequences Containing repeats (FIASCO) protocol, 20 microsatellite primer sets were identified in two wild populations. Of these primers, 16 displayed polymorphisms and 4 were m...
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