نتایج جستجو برای: تکنیک sscp
تعداد نتایج: 29604 فیلتر نتایج به سال:
Single strand conformation polymorphism (SSCP) is a reproducible, rapid and quite simple method for the detection of deletions/insertions/rearrangements in polymerase chain reaction amplified DNA. All the details for the use of PCR-SSCP are presented in the direction of genetic diseases (beta-thalassaemia, cystic fibrosis), optimum gel conditions, sensitivity and the latest modifications of the...
SSCP (single-strand conformational polymorphism) is used widely in the field of human biomedicine, but its potential as a population genetics tool for the recovery of nuclear gene genealogies remains to be realized. We describe and illustrate a use for SSCP in the physical isolation of nuclear haplotypes that circumvents several difficulties associated with more conventional cloning procedures....
Secreted phosphoprotein 1 (SPP1) is an acidic, phosphorylated glycoprotein found in fluids including milk and involved development of mammary gland exhibits impact on composition yield. The aim study was to reveal SPP1 gene polymorphisms association with traits Gaolao cattle. Blood collected from 280 cows test day recorded. SPP1G1-BsrI locus intron-IV polymorphic frequency TT genotype 0.99 CT 0...
Point mutations and small insertions or deletions in the human alpha-globin genes may produce alpha-chain structural variants and alpha-thalassemia. Mutations can be detected either by direct DNA sequencing or by screening methods, which select the mutated exon for sequencing. Although small (about 1 kb, 3 exons and 2 introns), the alpha-globin genes are duplicate (alpha2 and alpha1) and highly...
Recent and future advances in population genetics will have a significant impact on health care practices and the economics of health care provision only if a spectrum of patient-tailored, effective methods of DNA screening for sequence alterations has been developed. Genetic screening by capillary electrophoresis-single strand conformation polymorphism (CE-SSCP), which is based upon the differ...
To assess genetic variation in hepatitis C virus (HCV) sequences accurately, we optimized a method for identifying distinct viral clones without determining the nucleotide sequence of each clone. Twelve serum samples were obtained from seven individuals soon after they acquired HCV during a prospective study, and a 452-bp fragment from the E2 region was amplified by reverse transcriptase PCR an...
Mutations in the rpoB locus confer conformational changes leading to defective binding of rifampin (RIF) to rpoB and consequently resistance in Mycobacterium tuberculosis. Polymerase chain reaction-single-strand conformation polymorphism (PCR-SSCP) was established as a rapid screening test for the detection of mutations in the rpoB gene, and direct sequencing has been unambiguously applied to c...
Aptamers are specific binding nucleic acids that emerge from in vitro selection. During the systematic evolution of ligands by exponential enrichment (SELEX) procedure, analysis of the sequences of the numerous selected individual molecules becomes an important step in the final stage of aptamer selection. The sequencing of cloned aptamers from the selected pool generally reveals groups of iden...
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