نتایج جستجو برای: pyrosequencing
تعداد نتایج: 4566 فیلتر نتایج به سال:
A sensitive and convenient method for the detection of epidermal growth factor receptor (EGFR) T790M mutation in non-small cell lung cancer (NSCLC) patients with acquired resistance to tyrosine kinase inhibitors (TKIs) would be desirable guide treatment strategy. Consequently, studies have focused on characterization EGFR mutation. Herein, two methods co-amplification at lower denaturation temp...
aim : to investigate association between mthfr gene polymorphism with colorectal cancer. background : the enzyme 5,10-methylene-tetrahydrofolate reductase (mthfr) is linked to dna methylation, synthesis and repair. one of the most important polymorphisms that has been identified in the mthfr gene is c677t. the single nucleotide polymorphism c677t has been found to be associated with decreased e...
BACKGROUND A Pyrosequencing assay has been used in identification of fungal species such as Candida or Aspergillus and diagnosis of pathogenic bacteria such as Helicobacter pylori but there has been no report on successful isolation and identification of Malassezia yeasts using the pyrosequencing method. OBJECTIVE Examine the applicability and plausibility of the pyrosequencing method in iden...
• Compared with Sanger sequencing-based methods, pyrosequencing provides orders of magnitude more data on the diversity of organisms in their natural habitat, but its technological biases and relative accuracy remain poorly understood. • This study compares the performance of pyrosequencing and traditional sequencing for species' recovery of ectomycorrhizal fungi on root tips in a Cameroonian r...
Abstract Background: Sporadic colorectal cancer is the fourth most common cancer in Iran. The DNA repair protein O6-methylguanine-DNA methyltransferase (MGMT) is involved in the cellular defense against alkylating agents. Genetic alterations in the MGMT gene may impair the protein’s ability to remove alkyl groups from the O6-position of guanine, thereby raising the mutation rate and increasi...
Rapid identification of the causative bacteria of sepsis in patients can contribute to the selection of appropriate antibiotics and improvement of patients' prognosis. Genotypic identification is an emerging technology that may provide an alternative method to, or complement, established phenotypic identification procedures. We evaluated a rapid protocol for bacterial identification based on PC...
Problem statement: Pyrosequencing has the potential to rapidly and reliably sequence DNA taking advantages over traditional Sanger di-deoxy sequencing approach. Approach: A comprehensive review of the literature on the principles, applications, challenges and prospects of pyrosequencing was performed. Results: Pyrosequencing was a DNA sequencing technology based on the sequencing-by-synthesis p...
Bar-coded pyrosequencing has been increasingly used due to its fine taxonomic resolution and high throughput. Yet, concerns arise regarding the reproducibility of bar-coded pyrosequencing. We evaluated the run-to-run variation of bar-coded pyrosequencing in detecting bacterial community shifts and taxa dynamics. Our results demonstrate that pyrosequencing is reproducible in evaluating community...
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