Ontology type: schema:ScholarlyArticle Open Access: True
2019-12
AUTHORSAditya Rajagopal, Dominic Yurk, Claudia Shin, Karen Menge, Lucien Jacky, Scott Fraser, Thomas A. Tombrello, Gregory J. Tsongalis
ABSTRACTThe real time polymerase chain reaction (rtPCR) is an essential method for detecting nucleic acids that has a wide range of clinical and research applications. Current multiplexed rtPCR is capable of detecting four to six nucleic acid targets in a single sample. However, advances in clinical medicine are driving the need to measure many more targets at once. We demonstrate a novel method which significantly increases the multiplexing capability of any existing rtPCR instrument without new hardware, software, or chemistry. The technique works by varying the relative TaqMan probe concentrations amongst targets that are measured in a single fluorometric channel. Our fluorescent amplitude modulation method generates a unique rtPCR signature for every combination of targets present in a reaction. We demonstrate this technique by measuring nine different targets across three color channels with TaqMan reporting probes, yielding a detection accuracy of 98.9% across all combinations of targets. In principle this method could be extended to measure 6 or more targets per color channel across any number of color channels without loss in specificity. More... »
PAGES1053
http://scigraph.springernature.com/pub.10.1038/s41598-018-37732-y
DOIhttp://dx.doi.org/10.1038/s41598-018-37732-y
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PUBMEDhttps://www.ncbi.nlm.nih.gov/pubmed/30705333
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