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Home / Archives for Salgueiro P

Salgueiro P

Genetic diversity and signatures of selection of drug resistance in Plasmodium populations from both human and mosquito hosts in continental Equatorial Guinea

  • Autores: Arez AP, Benito A, Berzosa P, Cano J, de Sousa B, Do Rosário VE, Gonzalez V, Mendes C, Salgueiro P
  • Ano de Publicação: 2013
  • Journal: Malaria Journal
  • Link: http://www.malariajournal.com/content/12/1/114

In Plasmodium, the high level of genetic diversity and the interactions established by co-infecting parasite populations within the same host may be a source of selection on pathogen virulence and drug resistance. As different patterns have already been described in humans and mosquitoes, parasite diversity and population structure should be studied in both hosts to properly assess their effects on infection and transmission dynamics. This study aimed to characterize the circulating populations of Plasmodium spp and Plasmodium falciparum from a combined set of human blood and mosquito samples gathered in mainland Equatorial Guinea. Further, the origin and evolution of anti-malarial resistance in this area, where malaria remains a major public health problem were traced.
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Studies on the behaviour of peridomestic and endophagic M form Anopheles gambiae from a rice growing area of Ghana.

  • Autores: Charlwood JD, Egyir-Yawson A, Pinto J, Pitts RJ, Salgueiro P, Tomás EV
  • Ano de Publicação: 2011
  • Journal: Bulletin of entomological research
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=Studies+on+the+behaviour+of+peridomestic+and+endophagic+M+form+Anopheles+gambiae+from+a+rice+growing+area+of+Ghana

The ‘paddy paradox’, the occurrence of large populations of vectors but low amounts of malaria transmission where irrigated rice is grown, was investigated in a village in Ghana where M form Anopheles gambiae are common.
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Aedes aegypti on Madeira Island (Portugal): genetic variation of a recently introduced dengue vector. Memórias do Instituto Oswaldo Cruz

  • Autores: Campos M, Novo MT, Pinto J, Reyes-Lugo M, Ribolla PEM, Salgueiro P, Seixas G, Silva AC, Sousa CA, Spenassatto C
  • Ano de Publicação: 2013
  • Journal: Memorias do Instituto Oswaldo Cruz
  • Link: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762013000900003

The increasing population of Aedes aegypti mosquitoes on Madeira Island (Portugal) resulted in the first autochthonous dengue outbreak, which occurred in October 2012. Our study establishes the first genetic evaluation based on the mitochondrial DNA (mtDNA) genes [cytochrome oxidase subunit I (COI) and NADH dehydrogenase subunit 4 (ND4)] and knockdown resistance ( kdr ) mutations exploring the colonisation history and the genetic diversity of this insular vector population.
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New Insights into the Population Structure of Anopheles gambiae s.s. in the Gulf of Guinea Islands Revealed by Herves Transposable Elements

  • Autores: Moreno M, O’Brochta D, Pinto J, Salgueiro P, Simard F
  • Ano de Publicação: 2013
  • Journal: PLoS One
  • Link: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0062964

Transposable elements (TEs) are mobile portions of DNA that are able to replicate and spread in the genome of many organisms. TEs can be used as a means to insert transgenes in insects, being stably inherited throughout generations.
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Genetic and phenotypic variation of the malaria vector Anopheles atroparvus in southern Europe.

  • Autores: Alten B, Alves R, Bargues MD, Barré H, Boccolini D, Caglar SS, Demirci B, Di Luca M, Do Rosário VE, Falcutá E, Fontenille D, Latorre JM, Mas-Coma S, Nicolescu G, Ozer N, Pinto J, Romi R, Salgueiro P, Silva TL, Sousa CA, Toma L, Toty C, Vicente JL
  • Ano de Publicação: 2011
  • Journal: Malaria Journal
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=Genetic+and+phenotypic+variation+of+the+malaria+vector+Anopheles+atroparvus+in+southern+Europe

BACKGROUND:
There is a growing concern that global climate change will affect the potential for pathogen transmission by insect species that are vectors of human diseases. One of these species is the former European malaria vector, Anopheles atroparvus. Levels of population differentiation of An. atroparvus from southern Europe were characterized as a first attempt to elucidate patterns of population structure of this former malaria vector.
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Genetic structure of Glossina palpalis gambiensis (Diptera: Glossinidae) in the Republic of Guinea Bissau.

  • Autores: Afonso O, Arez E, Badjana R, Pinto J, Rolão N, Salgueiro P
  • Ano de Publicação: 2011
  • Journal: Tropical Medicine & International Health
  • Link: https://apps.webofknowledge.com/full_record.do?product=UA&search_mode=GeneralSearch&qid=6&SID=2CbhBUDoSw8ZkFBEQLW&page=1&doc=1

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Seasonal genetic partitioning in the neotropical malaria vector, Anopheles darlingi

  • Autores: Angella AF, Gil LHS, Pinto J, Ribolla PEM, Salgueiro P, Vicente JL
  • Ano de Publicação: 2014
  • Journal: Malaria Journal
  • Link: http://www.malariajournal.com/content/13/1/203

Anopheles darlingi is the main malaria mosquito vector in the Amazonia region. In spite of being considered a riverine, forest-dwelling species, this mosquito is becoming more abundant in peri-urban areas, increasing malaria risk. This has been associated with human-driven environmental changes such as deforestation.
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