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What is broad-range 16S rDNA PCR?

Patel, A; Harris, KA; Fitzgerald, F; (2017) What is broad-range 16S rDNA PCR? Archives of Disease in Childhood: Education and Practice Edition 10.1136/archdischild-2016-312049. Green open access

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Abstract

PCRs have revolutionised the detection of bacteria in clinical samples since their widespread introduction in the 1990s.1 Quantitative PCR (qPCR), also known as specific PCR, involves the targeting of particular bacterial species. The technique uses specific primers (short strands of nucleic acid needed to initiate DNA replication) and fluorescent probes to allow real-time quantification of target bacterial DNA during amplification. The qPCR assay is a mainstay of microbiological diagnostics within the National Health Service (NHS). At our hospital approximately 200 qPCRs are performed per week for the investigation of bacterial infections. Although qPCR is by far the most frequently used molecular technique in bacterial diagnostics, in certain scenarios a broad-range (non-specific) 16S rDNA (ribosomal DNA) PCR is increasingly being used. Broad-range 16S rDNA PCR is also more commonly used in research settings, originally for use in detecting and identifying unusual bacterial species but now more widely used in the rapidly expanding field of microbiome research. This technique provides the initial step in the process of analysing complex microbial communities in human, zoological and even geological settings. In the future, analysis of individualised microbial communities using broad-range 16S rDNA PCR may be a key component of personalised medicine.

Type: Article
Title: What is broad-range 16S rDNA PCR?
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1136/archdischild-2016-312049
Publisher version: http://dx.doi.org/10.1136/archdischild-2016-312049
Additional information: © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted. This is an Open Access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) license, which permits others to distribute, remix, adapt and build upon this work, for commercial use, provided the original work is properly cited. See: http://creativecommons.org/licenses/by/4.0/
Keywords: Bacterial diagnostics, PCRs, broad-range 16S rDNA PCR, molecular bacteriology, molecular microbiology
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > UCL GOS Institute of Child Health
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > UCL GOS Institute of Child Health > Infection, Immunity and Inflammation Dept
URI: https://discovery.ucl.ac.uk/id/eprint/1552787
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