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Related Concept Videos

Single Nucleotide Polymorphisms-SNPs01:05

Single Nucleotide Polymorphisms-SNPs

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A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
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Comparing Copy Number Variations and SNPs02:26

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Sequencing of the human genome has opened up several best-kept secrets of the genome. Scientists have identified thousands of genome variations that exist within a population. These variations can be a single nucleotide or a larger chromosomal variation.
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The first human genome sequencing project cost $2.7 billion and was declared complete in 2003, after 15 years of international cooperation and collaboration between several research teams and funding agencies. Today, with the advent of next-generation sequencing technologies, the cost and time of sequencing a human genome have dropped over 100 fold.
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Genome-wide Association Studies-GWAS01:11

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Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
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Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
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Genotyping by Multiplexed Sequencing (GMS) Using SNP Markers.

Travis M Ruff1, Karol Marlowe1, Marcus A Hooker2

  • 1USDA-ARS Wheat Health, Genetics and Quality Research Unit, Pullman, WA, USA.

Methods in Molecular Biology (Clifton, N.J.)
|February 13, 2023
PubMed
Summary
This summary is machine-generated.

This study presents a high-throughput genotyping method for genetic studies. The approach uses a two-step PCR protocol to multiplex thousands of single nucleotide polymorphism (SNP) markers efficiently.

Keywords:
Amplicon sequencingGenotypingGenotyping by multiplexed sequencingNext-generation sequencing (NGS)Single nucleotide polymorphism (SNP)

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Area of Science:

  • Genetics
  • Molecular Biology
  • Bioinformatics

Background:

  • Single nucleotide polymorphism (SNP) genotyping is crucial for genetic research.
  • Existing methods may lack throughput or customization for diverse study needs.

Purpose of the Study:

  • To describe a high-throughput SNP genotyping method.
  • To enable multiplexing of thousands of SNP markers.

Main Methods:

  • A two-step Polymerase Chain Reaction (PCR) protocol.
  • Multiplexing of hundreds to thousands of SNP markers.
  • Customizable protocol design for specific study requirements.

Main Results:

  • Demonstration of a high-throughput genotyping approach.
  • Capability to analyze a large number of SNP markers simultaneously.

Conclusions:

  • The described method offers an effective and scalable solution for SNP genotyping.
  • This technique facilitates targeted data generation for various genetic studies.