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Primers for Dengue Virus Strains Based on Their Sequence Variability

DOI: 10.4236/oalib.1101104    969 Downloads   1,342 Views  

ABSTRACT

Since DENV-1, 2, 3, and 4 determine the strains for dengue virus, their gene sequence can be used as marker for diagnosis, amplifying and genotyping subtypes in molecular screening reaction which includes RT-PCR, real-time RT-PCR, nucleic acid sequence-based amplification, microsphere-based duplexed immunoassay, and DNA microarrays. There are many gene based PCR diagnostic kits available for screening and quantifying dengue virus, which one to choose? Decisions on choosing the diagnostic kit are debatable, mainly because of sequence variation of endemic dengue virus, which emphasizes us to use region specific primer diagnostic kits for isolating dengue of the prevailing country. But if diagnoistic industry focuses on the homologous regions obtained after aligning sequences, each representing the country of origin, we can design primers which can be used to detect dengue strains from any country of origin. Gene based diagnostics kits should have primers that should be covered for all entries present in the NCBI database with 100% total coverage similarity and specifically only to which they were designed for.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Krishnappa, R. and Paramasivam, R. (2015) Primers for Dengue Virus Strains Based on Their Sequence Variability. Open Access Library Journal, 2, 1-6. doi: 10.4236/oalib.1101104.

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