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Title: | Dengue serotype detection from wild caught mosquito by reverse transcription loop-mediated isothermal amplification, first time in Bangladesh |
Authors: | Rawnuck, Tanzila Naher, Zeba Un Munshi, Saif Ullah Tabassum, Shahina Reza, Md Selim |
Keywords: | Wild-caught Aedes aegypti mosquito Loop-mediated isothermal amplification qPCR |
Issue Date: | Jul-2021 |
Publisher: | Maldives National University |
Citation: | Rawnuck, T., Naher, Z. U., Munshi, S. U., Tabassum, S. & Reza, M. S. (2021). Dengue serotype detection from wild caught mosquito by reverse transcription loop-mediated isothermal amplification, first time in Bangladesh. Maldives National Journal of Research. 9(1), 32-40. |
Series/Report no.: | MNJR;9 |
Abstract: | Dengue viruses are mainly transmitted by the Aedes aegypti mosquito
which grows in breeding containers maintained by rain or human activity. The Reverse
Transcription Loop-Mediated Isothermal Amplification (RT-LAMP) reaction was found
more sensitive and can detect 10-copies of RNA template whereas; real-time PCR (qPCR)
had detection limits of 100 copies. To detect the dengue serotypes from wild-caught Aedes
aegypti mosquitoes using a molecular technique RT-LAMP, and compare with qPCR to
detect the same dengue serotype. This prospective analytical study was conducted at the
Department of Virology, BSMMU, Dhaka, Bangladesh from January 2017 to December
2017. RT-LAMP was performed to detect dengue serotypes from wild-caught mosquitoes.
Four different visual detection methods of RT-LAMP were conducted simultaneously.
To confirm the test result, qPCR was done. Out of the 1348 wild-caught mosquitoes,
217(16.10%) were found positive for the dengue virus by RT-LAMP assay. Among this
DEN-2 serotype was by far the highest percentage 184(84.79%) whereas, DEN-1 was
33(15.21%). The RT-LAMP is a relatively inexpensive, rapid, and simple tool for the
accurate detection and serotyping of DENV from wild-caught mosquitoes. |
URI: | http://saruna.mnu.edu.mv/jspui/handle/123456789/12029 |
ISSN: | 23085959/20210731 |
Appears in Collections: | Volume 9, number 1, July 2021
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