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Home / Archives for Parreira R

Molecular detection of Leishmania DNA and identification of blood meals in wild caught phlebotomine sand flies (Diptera Psychodidae) from southern Portugal

  • Autores: Afonso MO, Campino L, Cristóvão JM, Freitas FB, Maia C, Parreira R
  • Ano de Publicação: 2015
  • Journal: Parasites & Vectors
  • Link: https://parasitesandvectors.biomedcentral.com/articles/10.1186/s13071-015-0787-4%20

Zoonotic visceral leishmaniasis caused by Leishmania infantum which is transmitted by phlebotomine sand flies (Diptera, Psychodidae) is endemic in the Mediterranean basin. The main objectives of this study were to (i) detect Leishmania DNA and (ii) identify blood meal sources in wild caught female sand flies in the zoonotic leishmaniasis region of Algarve, Portugal/Southwestern Europe. Phlebotomine sand flies were […]
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Exploring the utility of phylogenetic analysis of cytochrome oxidase gene subunit I as a complementary tool to classical taxonomical identification of phlebotomine sand fly species (Diptera, Psychodidae) from southern Europe

  • Autores: Afonso MO, Campino L, Cristóvão JM, Maia C, Parreira R
  • Ano de Publicação: 2015
  • Journal: Acta Tropica
  • Link: https://www.sciencedirect.com/science/article/pii/S0001706X14004070?via%3Dihub

Phlebotomine sand flies (Diptera, Psychodidae) are known to be vectors of several pathogens such as Leishmania and Phlebovirus genera. The identification of phlebotomine sand fly species is currently based on morphological characters, and requires considerable taxonomic expertise and skilfulness, but may be complemented by DNA-based analyses for (i) accurate species identification and (ii) for estimating […]
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Culex pipiens as a potential vector for transmission of Dirofilaria immitis and other unclassified Filarioidea in Southwest Spain

  • Autores: Almeida APG, Blanco-Ciudad J, Bravo-Barriga D, Calado M, Frontera E, Parreira R, Pérez-Martín JE, Pinto J, Reina D, Sánchez-Peinado J, Serrano-Aguilera FJ
  • Ano de Publicação: 2016
  • Journal: Veterinary Parasitology
  • Link: https://www.sciencedirect.com/science/article/pii/S0304401716301418?via%3Dihub

Dirofilaria immitis is one of the most frequently detected mosquito-transmitted zoonotic filarioid nematode in mammals in Europe, being canine dirofilariosis a major animal health problem, endemic in the Mediterranean area. This study, focused on Southwest Spain, in order to bring new insights into (i) the epidemiology of Dirofilaria spp., (ii) the species of Culicid vectors […]
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Tick-borne bacteria and protozoa detected in ticks collected from domestic animals and wildlife in central and southern Portugal

  • Autores: Azevedo F, Campino L, Cotão AJ, Maia C, Nunes M, Parreira R, Pereira A, Vieira ML
  • Ano de Publicação: 2017
  • Journal: Ticks and Tick-Borne Diseases
  • Link: https://www.sciencedirect.com/science/article/pii/S1877959X17300717?via%3Dihub

Ticks are vectors of many human and animal pathogens. The aim of this study was to screen bacteria and protozoa from ticks infesting domestic animals and wildlife collected in central and southern Portugal. A total of 593 ticks, comprising 465 (78.4%) adults, 122 (20.6%) nymphs, and six (1.0%) larvae, were collected from 283 hosts of […]
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Development and evaluation of a two-step multiplex TaqMan real-time PCR assay for detection/quantification of different genospecies of Borrelia burgdorferi sensu lato

  • Autores: Nunes M, Parreira R, Carreira T, Inácio J, Vieira ML
  • Ano de Publicação: 2017
  • Journal: Ticks and Tick-Borne Diseases
  • Link: https://www.sciencedirect.com/science/article/pii/S1877959X16302771

Nowadays, at least four clinically important B. burgdorferi sensu lato (s.l.) genospecies (B. afzelii, B. garinii, B. burgdorferi sensu stricto (s.s.) and B. lusitaniae) circulate in Portugal. Each genospecies has a different tropism that resuls in a diverse array of clinical manifestations. The standard diagnostic procedure used is normally simple, nevertheless, during the “window-period” phase, […]
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About GHTM

GHTM is a R&D Center that brings together researchers from IHMT with a track record in Tropical Medicine and International/Global Health. It aims at strengthening Portugal's role as a leading partner in the development and implementation of a global health research agenda. Our evidence-based interventions contribute to the promotion of equity in health and to improve the health of populations.

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