期刊论文详细信息
BMC Infectious Diseases
Sergentomyia (Neophlebotomus) gemmea, a potential vector of Leishmania siamensis in southern Thailand
Saovanee Leelayoova3  Chetsuda Charoenwong1  Mathirut Mungthin3  Peerapan Tan-ariya1  Preecha Kaewtaphaya6  Somnat Jitkaew4  Atitaya Hitakarun1  Ubolrat Ninsaeng5  Suradej Siripattanapipong3  Kobkan Kanjanopas2 
[1] Faculty of Science, Mahidol University, Bangkok, Thailand;Ministry of Public Health, Nonthaburi Province 11000, Thailand;Department of Parasitology, Phramongkutklao College of Medicine, 315 Ratchawithi Road, Ratchathewi, Bangkok 10400, Thailand;The Vector-borne Disease Control Center 12.3, Ministry of Public Health, Trang Province, Thailand;The Vector-borne Disease Control Center 11.3, Ministry of Public Health, Suratthani Province, Thailand;Yantakao Hospital, Trang Province, Thailand
关键词: Thailand;    Vector;    Sergentomyia (Neophlebotomus) gemmea;    Leishmania siamensis;    Leishmaniasis;   
Others  :  1146926
DOI  :  10.1186/1471-2334-13-333
 received in 2013-02-15, accepted in 2013-07-15,  发布年份 2013
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【 摘 要 】

Background

Leishmaniasis, caused by Leishmania siamensis, is an emerging disease in Thailand. Although reported cases have been increasing, epidemiological information of the disease including host and vector aspects is not clearly known. This study was a preliminary survey of the potential vector of L. siamensis in an affected area of leishmaniasis, Trang Province, southern Thailand.

Methods

The collection of sandflies was performed around the area where a case of leishmaniasis was reported using CDC light traps. Species of sandfly were identified based on morphological characteristics according to Lewis’s key. PCR amplification and sequencing of the heat shock protein 70 gene (hsp70) was used to identify L. siamensis DNA in sandflies.

Results

A total of 146 male and female sandflies were collected in the affected areas. Of 71 female sandflies, four species were identified, i.e., Sergentomyia (Neophlebotomus) gemmea, S. (Neophlebotomus) iyengari, S. (Parrotomyia) barraudi and Phlebotomus (Anaphlebotomus) stantoni. Among these species, S. (Neophlebotomus) gemmea was the most predominant species in all areas. DNA of L. siamensis was identified in S. (Neophlebotomus) gemmea. Nucleotide sequences of PCR products using DNA extracted from S. (Neophlebotomus) gemmea showed 99.8% identity to L. siamensis.

Conclusion

S. (Neophlebotomus) gemmea might be a potential vector of L. siamensis in an affected area, Trang Province, southern Thailand. However further studies are needed to prove whether these sandflies can be natural vectors of leishmaniasis.

【 授权许可】

   
2013 Kanjanopas et al.; licensee BioMed Central Ltd.

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