期刊
FOOD AND ENVIRONMENTAL VIROLOGY
卷 6, 期 3, 页码 196-201出版社
SPRINGER
DOI: 10.1007/s12560-014-9142-8
关键词
Norovirus; RT-LAMP; Hydroxynaphthol blue dye
资金
- China Mega Project for Infectious Disease [2013ZX10004-001, 2012ZX10004-215, 2013ZX10004-202, 2013ZX10004-804]
A simple, rapid, specific, and sensitive colorimetric reverse transcription loop-mediated isothermal amplification (RT-LAMP) assay with hydroxynaphthol blue dye (HNB) was established, targeting RNA-dependent RNA polymerase and capsid protein gene for the detection of the dominant norovirus genogroup in China-NoV GII. The assay was carried out at 65 A degrees C for 60 min with no cross-reactivity with other common gastroenteritis viruses. The sensitivity of this assay was 10(3) copies per reaction which is equivalent to the conventional RT-PCR test. The clinical test showed 94.83 % coincidence rate for NoV genogroup II detection compared with the results, confirmed by the Department of Viral Diarrhea of Chinese Center for Disease Control and Prevention via conventional RT-PCR. The HNB dye-based RT-LAMP could be a novel rapid screening method for prevalent norovirus genogroup II in China, especially in those resource-limited hospitals and rural local clinics.
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