Experimental infection of Lutzomyia longipalpis fed on a patient with cutaneous leishmaniasis due to Leishmania mexicana amazonensis

Deane, L. M.; Rangel, Elizabeth Ferreira; Paes-Oliveira, M; Grimaldi, Gabriel; Momen, Hooman; Souza, Nataly de; Wermelinger, Eduardo Dias; Barbosa, André F.

doi:10.1590/s0074-02761986000100020

Cited by 5 publications

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“…longipalpis by Le . amazonensis has been observed [ 6 , 31 ] and its vectorial competence in the transmission of this parasite to the hamster has been demonstrated by Sherlock [ 32 ].…”

Section: Discussionmentioning

confidence: 99%

Sandflies in an urban area of transmission of visceral leishmaniasis in midwest Brazil

et al. 2016

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The phlebotomine fauna of Campo Grande city, capital of Mato Grosso do Sul state in Brazil, an endemic area for visceral leishmaniasis, has been thoroughly investigated, but all the insect collections were undertaken with automatic light traps. The present study sought to investigate the fauna in this city using Shannon and Disney traps, having human beings and hamsters, respectively, as bait. Both types of traps were installed in forest fragment and peridomiciliary areas in the period from 2007 to 2009. The phlebotomine females were analyzed by PCR for Leishmania identification. Lutzomyia longipalpis was the only species collected in the peridomiciles and rendered a total of 574 specimens with a 5.2:1 male:female ratio. A total of eight species were attracted to the two traps (one of each type) installed in the forest fragment, including: Bichromomyia flaviscutellata, Evandromyia bourrouli, Evandromyia lenti, Lutzomyia longipalpis, Nyssomyia whitmani, Pintomyia christenseni, Psathyromyia bigeniculata, and Sciopemyia sordellii. A total of 143 specimens were collected, Bi. flaviscutellata accounting for 81% and Lu. longipalpis for 1.4% of them. In one female of Lu. longipalpis collected in a Disney trap installed in a peridomicile, Leishmania (Leishmania) infantum DNA was found, thus strengthening the hypothesis that the transmission of leishmaniasis is in fact occurring in the anthropic environment.

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“…longipalpis by Le . amazonensis has been observed [ 6 , 31 ] and its vectorial competence in the transmission of this parasite to the hamster has been demonstrated by Sherlock [ 32 ].…”

Section: Discussionmentioning

confidence: 99%

Sandflies in an urban area of transmission of visceral leishmaniasis in midwest Brazil

et al. 2016

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“…(L.) amazonensis em regiões endêmicas para leishmaniose cutânea cuja etiologia é atribuída a este parasito (DEANE et al, 1986;SAVANI et al, SHERLOCK, 1996). …”

Section: áRea De Estudounclassified

Capacidade vetorial de Lutzomyia (Lutzomyia) cruzi (Diptera: Psychodidae) para Leishmania (Leishmania) infantum

Oliveira¹

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In some regions such as in the municipalities of Corumbá and Ladário in Mato Grosso do Sul state, there are ecological and epidemiological evidence that Lutzomyia (Lutzomyia) cruzi (Mangabeira, 1938) is the vector of Leishmania cruzi specimens, since this species represent 93.94% of the total captured. The monthly change showed that Lu. cruzi species has great plasticity and has been observed in all months of collection.

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“…longipalpis may naturally transmit L. amazonensis in regions endemic to cutaneous leishmaniasis, the etiology of which includes this parasite. 19,22,23 Considering that Lu. longipalpis and Lu.…”

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confidence: 99%

Vector Competence of Lutzomyia cruzi Naturally Demonstrated for Leishmania infantum and Suspected for Leishmania amazonensis

Oliveira¹,

Oshiro²,

Fernandes³

et al. 2016

Am J Trop Med Hyg

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Corumbá city is one of the oldest visceral leishmaniasis-endemic foci in the state of Mato Grosso do Sul, Brazil, where the transmission of Leishmania infantum has been attributed to Lutzomyia cruzi Aiming at investigating the parameters of the vectorial capacity of Lu. cruzi for L. infantum, a project was undertaken in this city. Among these parameters, vector competence was investigated and the results obtained are reported herein. Of the 12 hamsters exposed to feed wild-caught female sandflies, two developed infection with L. infantum and surprisingly, one with Leishmania amazonensis In addition, hamsters with L. infantum infection were bitten only by females of Lu. cruzi, whereas the hamster infected with L. amazonensis was bitten by 124 Lu. cruzi females and one of Evandromyia corumbaensis Although there is a strong suspicion regarding the competence of Lu. cruzi in transmitting L. amazonensis naturally, it was not demonstrated.

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Experimental infection of Lutzomyia longipalpis fed on a patient with cutaneous leishmaniasis due to Leishmania mexicana amazonensis

Cited by 5 publications

References 0 publications

Sandflies in an urban area of transmission of visceral leishmaniasis in midwest Brazil

Sandflies in an urban area of transmission of visceral leishmaniasis in midwest Brazil

Capacidade vetorial de Lutzomyia (Lutzomyia) cruzi (Diptera: Psychodidae) para Leishmania (Leishmania) infantum

Vector Competence of Lutzomyia cruzi Naturally Demonstrated for Leishmania infantum and Suspected for Leishmania amazonensis

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