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在巴西亚马逊流域阿克里州皮肤利什曼病传播地区，首次描述了在索尔埃万按蚊、普雷萨蒂亚属和奥劳雷森毛蠓（蛾蠓科：白蛉亚科）中感染的利什曼原虫（维安尼利什曼原虫）。

First description of Leishmania (Viannia) infection in Evandromyia saulensis, Pressatia sp. and Trichophoromyia auraensis (Psychodidae: Phlebotominae) in a transmission area of cutaneous leishmaniasis in Acre state, Amazon Basin, Brazil.

作者信息

Araujo-Pereira Thais de, Pita-Pereira Daniela de, Boité Mariana Côrtes, Melo Myllena, Costa-Rego Taiana Amancio da, Fuzari Andressa Alencastre, Brazil Reginaldo Peçanha, Britto Constança

机构信息

Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Biologia Molecular e Doenças Endêmicas, Rio de Janeiro, RJ, Brasil.

Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Pesquisa em Leishmaniose, Rio de Janeiro, RJ, Brasil.

出版信息

Mem Inst Oswaldo Cruz. 2017 Jan 1;112(1):75-78. doi: 10.1590/0074-02760160283.

DOI:10.1590/0074-02760160283
PMID:28076470
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5225531/
Abstract

Studies on the sandfly fauna to evaluate natural infection indexes are still limited in the Brazilian Amazon, a region with an increasing incidence of cutaneous leishmaniasis. Here, by using a multiplex polymerase chain reaction directed to Leishmania kDNA and hybridisation, we were able to identify L. (Viannia) subgenus in 12 out of 173 sandflies captured in the municipality of Rio Branco, Acre state, revealing a positivity of 6.94%. By sequencing the Leishmania 234 bp-hsp70 amplified products from positive samples, infection by L. (V.) braziliensis was confirmed in five sandflies: one Evandromyia saulensis, three Trichophoromyia auraensis and one Pressatia sp. The finding of L. (Viannia) DNA in two Ev. saulensis corresponds to the first record of possible infection associated with this sandfly. Moreover, our study reveals for the first time in Brazil, Th. auraensis and Pressatia sp. infected by L. (Viannia) parasites.

摘要

在皮肤利什曼病发病率不断上升的巴西亚马逊地区，关于白蛉动物区系以评估自然感染指标的研究仍然有限。在此，通过使用针对利什曼原虫kDNA的多重聚合酶链反应和杂交技术，我们在阿克里州里奥布兰科市捕获的173只白蛉中的12只中鉴定出了维氏亚属，阳性率为6.94%。通过对阳性样本中扩增出的利什曼原虫234 bp - hsp70产物进行测序，在五只白蛉中确认感染了巴西利什曼原虫：一只索尔伊蚊、三只奥拉伊蚊和一只普雷萨蒂亚属。在两只索尔伊蚊中发现维氏亚属DNA，这是与该白蛉相关的可能感染的首次记录。此外，我们的研究首次在巴西揭示了奥拉伊蚊和普雷萨蒂亚属感染了维氏亚属寄生虫。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff33/5225531/3fd83dd68c89/0074-0276-mioc-112-1-0075-gf01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff33/5225531/3fd83dd68c89/0074-0276-mioc-112-1-0075-gf01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff33/5225531/3fd83dd68c89/0074-0276-mioc-112-1-0075-gf01.jpg

相似文献

[1]
First description of Leishmania (Viannia) infection in Evandromyia saulensis, Pressatia sp. and Trichophoromyia auraensis (Psychodidae: Phlebotominae) in a transmission area of cutaneous leishmaniasis in Acre state, Amazon Basin, Brazil.

Mem Inst Oswaldo Cruz. 2017-1-1

[2]
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[3]
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[4]
An overview of the sandfly fauna (Diptera: Psychodidae) followed by the detection of Leishmania DNA and blood meal identification in the state of Acre, Amazonian Brazil.

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[5]
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[3]
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[4]
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[5]
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[6]
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[7]
An overview of the sandfly fauna (Diptera: Psychodidae) followed by the detection of Leishmania DNA and blood meal identification in the state of Acre, Amazonian Brazil.

Mem Inst Oswaldo Cruz. 2020-11-16

[8]
Increasing putative vector importance of Trichophoromyia phlebotomines (Diptera: Psychodidae).

Mem Inst Oswaldo Cruz. 2020-2-3

[9]
Leishmania DNA detection and species characterization within phlebotomines (Diptera: Psychodidae) from a peridomicile-forest gradient in an Amazonian/Guianan bordering area.

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[10]
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本文引用的文献

[1]
DNA Barcoding of Neotropical Sand Flies (Diptera, Psychodidae, Phlebotominae): Species Identification and Discovery within Brazil.

PLoS One. 2015-10-27

[2]
Sand fly fauna (Diptera: Psychodidae: Phlebotominae) in an area of leishmaniasis transmission in the municipality of Rio Branco, state of Acre, Brazil.

Parasit Vectors. 2014-8-7

[3]
Description of a new phlebotomine species (Diptera: Psychodidae, Phlebotominae) and new records of sand flies from the State of Acre, northern Brazil.

Zootaxa. 2013-1-25

[4]
Biology of phlebotomine sand flies as vectors of disease agents.

Annu Rev Entomol. 2013

[5]
Development and validation of PCR-based assays for diagnosis of American cutaneous leishmaniasis and identification of the parasite species.

Mem Inst Oswaldo Cruz. 2012-8

[6]
Natural Leishmania infection of Lutzomyia auraensis in Madre de Dios, Peru, detected by a fluorescence resonance energy transfer-based real-time polymerase chain reaction.

Am J Trop Med Hyg. 2012-7-16

[7]
Natural infection of cortelezzii complex (Diptera: Psychodidae: Phlebotominae) with Leishmania braziliensis in Chaco, Argentina.

Acta Trop. 2012-4-30

[8]
The molecular detection of different Leishmania species within sand flies from a cutaneous and visceral leishmaniasis sympatric area in Southeastern Brazil.

Mem Inst Oswaldo Cruz. 2010-12

[9]
Proven and putative vectors of American cutaneous leishmaniasis in Brazil: aspects of their biology and vectorial competence.

Mem Inst Oswaldo Cruz. 2009-11

[10]
Sequence analysis and PCR-RFLP profiling of the hsp70 gene as a valuable tool for identifying Leishmania species associated with human leishmaniasis in Brazil.

Infect Genet Evol. 2009-11-11

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