Anyone who has watched one of the CSI: Crime Scene Investigation television shows knows that PCR (Polymerase Chain Reaction) is a technology used to amplify the tiniest samples of DNA into forensic evidence that can identify perpetrators or victims of a crime. Microbiologists also use PCR to uncover the identity of microbes in samples taken from a wide range of sources for a wide range of purposes. However, for microbial analysis, the use of PCR technology can pose problems. Now, researchers with the U.S...
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