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Barcoded Primers Used in Multiplex Amplicon Pyrosequencing Bias Amplification

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Date 2011 Sep 6
PMID 21890669
Citations 216
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Abstract

"Barcode-tagged" PCR primers used for multiplex amplicon sequencing generate a thus-far-overlooked amplification bias that produces variable terminal restriction fragment length polymorphism (T-RFLP) and pyrosequencing data from the same environmental DNA template. We propose a simple two-step PCR approach that increases reproducibility and consistently recovers higher genetic diversity in pyrosequencing libraries.

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