Japanese Journal of Infectious Diseases
Online ISSN : 1884-2836
Print ISSN : 1344-6304
ISSN-L : 1344-6304
An ultra-rapid real-time RT-PCR method for detecting Middle East respiratory syndrome coronavirus using a mobile PCR device, PCR1100
Kazuya ShiratoNaganori NaoShutoku MatsuyamaTsutomu Kageyama
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論文ID: JJID.2019.400

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Middle East respiratory syndrome (MERS) coronavirus (MERS-CoV) is usually diagnosed through highly sensitive and specific genetic tests such as real-time reverse transcription polymerase chain reaction (RT-PCR). Currently, two real-time RT-PCR assays targeting the upE and ORF1a regions of the MERS-CoV genome are widely used and are the standard assays recommended by the World Health Organization (WHO). The MERS outbreaks to date suggest that rapid diagnosis and subsequent isolation of infected patients, particularly superspreaders, are critical for containment. However, conventional real-time RT-PCR assays require large laboratory instruments, and amplification takes approximately 2 h. These are disadvantages for rapid diagnosis. Here, an ultra-rapid real-time RT-PCR test was established: a multiplex assay for upE and ORF1a running on the mobile PCR1100 device. As few as five copies of MERS-CoV RNA can be detected within 20 min using the WHO standard assays with similar sensitivity and specificity to those of a conventional real-time PCR instrument such as the LightCyler, enabling timely intervention to control MERS-CoV infection.

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