A simple method for testing and controlling inhibition in soil and sediment samples for qPCR.

J Microbiol Methods

British Geological Survey, Keyworth, Nottingham NG12 5GG, UK. Electronic address:

Published: September 2023

The presence of polymerase-chain-reaction (PCR) inhibitors in many environmental samples can make reliable and repeatable quantitative-polymerase-chain-reaction (qPCR) analysis difficult without sample dilution. To estimate an optimal sample dilution for qPCR and reduce effects of inhibition, a simple test based on multiple dilution series of samples is presented that avoids the use of internal controls and standards reducing complexity and cost.

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http://dx.doi.org/10.1016/j.mimet.2023.106795DOI Listing

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