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Anopheles pseudowillmori is the predominant malaria vector in Motuo County, Tibet Autonomous Region.

Wu S, Pan JY, Wang XZ, Zhou SS, Zhang GQ, Liu Q, Tang LH - Malar. J. (2009)

Bottom Line: Among them, 3,602 (98.0%) were Anopheles pseudowillmori and 73 (2.0%) were Anopheles willmori.The Plasmodium vivax SSUrDNA fragment was amplified in two of 360 pooled An. pseudowillmori samples.The local An. maculatus group comprises the species An. pseudowillmori and An. willmori.

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Affiliation: National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai, PR China. jswu167@126.com

ABSTRACT

Background: Malaria is endemic in Linzhi Prefecture in the Tibet Autonomous Region (TAR), but the vector for malaria transmission had never been identified.

Methods: Adult Anopheles spp. were collected in Motuo County, Linzhi Prefecture on the Sino-Indian border in July and August, 2007. Multiplex PCR was adopted for species identification, and a nested PCR approach was used to detect sporozoites in the salivary glands of the mosquitoes.

Results: 3,675 mosquitoes of the Anopheles maculatus group were collected and processed for species identification. Among them, 3,602 (98.0%) were Anopheles pseudowillmori and 73 (2.0%) were Anopheles willmori. The Plasmodium vivax SSUrDNA fragment was amplified in two of 360 pooled An. pseudowillmori samples.

Conclusion: The local An. maculatus group comprises the species An. pseudowillmori and An. willmori. Anopheles pseudowillmori is considered the sole malaria vector in Motuo County in Linzhi Prefecture.

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The map of relative study sites.
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Figure 1: The map of relative study sites.

Mentions: The study was implemented during the peak malaria transmission season from July to September 2007 in three villages(Figure 1) where the malaria incidence was high in previous years, namely Yadong (29°32'N, 95°33'E), Dexin (29°33'N, 95°30'E) and Madi (29°37'N, 95°41'E) near the Sino-Indian border. The inhabitants of these villages live in houses and huts grouped into hamlets scattered across the village territory, usually 1–3 km apart from each other and only accessible by foot.


Anopheles pseudowillmori is the predominant malaria vector in Motuo County, Tibet Autonomous Region.

Wu S, Pan JY, Wang XZ, Zhou SS, Zhang GQ, Liu Q, Tang LH - Malar. J. (2009)

The map of relative study sites.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC2662868&req=5

Figure 1: The map of relative study sites.
Mentions: The study was implemented during the peak malaria transmission season from July to September 2007 in three villages(Figure 1) where the malaria incidence was high in previous years, namely Yadong (29°32'N, 95°33'E), Dexin (29°33'N, 95°30'E) and Madi (29°37'N, 95°41'E) near the Sino-Indian border. The inhabitants of these villages live in houses and huts grouped into hamlets scattered across the village territory, usually 1–3 km apart from each other and only accessible by foot.

Bottom Line: Among them, 3,602 (98.0%) were Anopheles pseudowillmori and 73 (2.0%) were Anopheles willmori.The Plasmodium vivax SSUrDNA fragment was amplified in two of 360 pooled An. pseudowillmori samples.The local An. maculatus group comprises the species An. pseudowillmori and An. willmori.

View Article: PubMed Central - HTML - PubMed

Affiliation: National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai, PR China. jswu167@126.com

ABSTRACT

Background: Malaria is endemic in Linzhi Prefecture in the Tibet Autonomous Region (TAR), but the vector for malaria transmission had never been identified.

Methods: Adult Anopheles spp. were collected in Motuo County, Linzhi Prefecture on the Sino-Indian border in July and August, 2007. Multiplex PCR was adopted for species identification, and a nested PCR approach was used to detect sporozoites in the salivary glands of the mosquitoes.

Results: 3,675 mosquitoes of the Anopheles maculatus group were collected and processed for species identification. Among them, 3,602 (98.0%) were Anopheles pseudowillmori and 73 (2.0%) were Anopheles willmori. The Plasmodium vivax SSUrDNA fragment was amplified in two of 360 pooled An. pseudowillmori samples.

Conclusion: The local An. maculatus group comprises the species An. pseudowillmori and An. willmori. Anopheles pseudowillmori is considered the sole malaria vector in Motuo County in Linzhi Prefecture.

Show MeSH
Related in: MedlinePlus