期刊
JOURNAL OF CLINICAL MICROBIOLOGY
卷 48, 期 11, 页码 4010-4014出版社
AMER SOC MICROBIOLOGY
DOI: 10.1128/JCM.00582-10
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资金
- National Veterinary Research and Quarantine Service, Ministry for Food, Agriculture, Forestry and Fisheries, Republic of Korea
The aim of this study was to develop a highly sensitive and specific one-step duplex reverse transcriptase PCR (RT-PCR) assay for the simultaneous and differential detection of West Nile (WNV) and Japanese encephalitis (JEV) viruses. The bioinformatic analysis of published sequences of WNV and JEV revealed conserved regions not targeted by previously reported primers. A total of 13 primers were designed based on these regions to detect all of the WNV and JEV lineages and to discriminate between the two viruses by the generation of 482- and 241-bp cDNA products, respectively. The results indicate that single-tube duplex PCR using these primers is a useful technique for the detection and differentiation of WNV and JEV in plasma or brain tissue. The novel duplex RT-PCR described in this study enables the early diagnosis of these two encephalitic flaviviruses. In addition, this technique may be useful as part of a testing regimen for human patients, horses, and other susceptible animal species, as it is rapid (less than 3.5 h from RNA extraction), sensitive, and specific, and it may enable the differential diagnosis of clinical samples.
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