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Archives 2020
Myanmar Health Sciences Research Journal
Volume 32, Number 2
TITLE: Detection of Naturally Infected Wolbachia Bacteria in Dengue Vector Aedes Mosquitoes in Upper Myanmar
AUTHOR: Mya Nilar Chaw Su, Yi Yi Mya, Myint Myint Aye, Nwe Nwe Kyaw & Aung Kyaw Kyaw
SOURCE: Myanmar Health Sciences Research Journal, 2020; 32(2):120-124
ABSTRACT:
The
endosymbiotic bacteria in the genus Wolbachia have been focused as a
potential candidate to control medically important vector mosquitoes. Before
the application of Wolbachia-based
vector control strategies, it is crucial to understand Wolbachia-mosquito interaction. This study aimed to determine the infection status of Wolbachia in Aedes aegypti and Aedes albopictus from
different geographical regions and it was conducted during 2018-2019.
Mosquitoes were collected by using standard Ovi-traps collection method in four
different townships (Mandalay, Pyin Oo Lwin, Monywa and Lashio), Upper Myanmar.
Collected mosquitoes were morphologically identified to select Ae. aegypti and Ae. albopictus. A total of 320 mosquitoes were screened for the
presence of Wolbachia by using
polymerase chain reaction (PCR) method. Among them, male and female were
distributed equally in both species. Result revealed that 67.5% (108/160) of Ae. albopictus were observed as positive
Wolbachia infection. However,
no infection was detected in dengue primary vector Aedes aegypti. Wolbachia infection of super groups A, B and super infection of A+B was found in Ae. albopictus. Wolbachia Group B infection is higher than Group A
infection in the study populations. Wolbachia infection was found in
every parts of study areas. However, further study is still required to explore the role of
bacterial-infected mosquitoes for vector-borne disease control activities.
SUBJECT HEADINGS: Dengue, Aedes, Wolbachia, Myanmar
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