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    Published 12 September 2016 Referencing Hub media

    ESR scientist Dr Brent Gilpin explains how polymerase chain reaction or PCR is able to identify specific bacteria.


    Dr Brent Gilpin
    PCR – polymerase chain reaction – is a way of amplifying up very small amounts of DNA very specifically. So we are able to, out of a background of millions of DNA sequences from thousands of different types of bacteria, use DNA primers to pull out just the DNA sequence from a specific organism or group of organisms.

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