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Bias in Whole Genome Amplification: Causes and Considerations

  • Jeffrey SabinaEmail author
  • John H. Leamon
Part of the Methods in Molecular Biology book series (MIMB, volume 1347)

Abstract

Whole genome amplification (WGA) is a widely used molecular technique that is becoming increasingly necessary in genetic research on a range of sample types including individual cells, fossilized remains and entire ecosystems. Multiple methods of WGA have been developed, each with specific strengths and weaknesses, but with a common defect in that each method distorts the initial template DNA during the course of amplification. The type, extent, and circumstance of the bias vary with the WGA method and particulars of the template DNA.

In this review, we endeavor to discuss the types of bias introduced, the susceptibility of common WGA techniques to these bias types, and the interdependence between bias and characteristics of the template DNA. Finally, we attempt to illustrate some of the criteria specific to the analytical platform and research application that should be considered to enable combination of the appropriate WGA method, template DNA, sequencing platform, and intended use for optimal results.

Key words

Whole genome amplification Bias Drift Selection Amplification artifacts MDA DOP-PCR PEP-PCR Single cell sequencing 

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© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.GuilfordUSA
  2. 2.CyVek Inc.WallingfordUSA

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