Natural colonization and adaptation of a mosquito species in Galapagos and its implications for disease threats to endemic wildlife

Emerging infectious diseases of wildlife have been recognized as a major threat to global biodiversity. Endemic species on isolated oceanic islands, such as the Galápagos, are particularly at risk in the face of introduced pathogens and disease vectors. The black salt-marsh mosquito (Aedes taeniorhynchus) is the only mosquito widely distributed across the Galápagos Archipelago. Here we show that this mosquito naturally colonized the Galápagos before the arrival of man, and since then it has evolved to represent a distinct evolutionary unit and has adapted to habitats unusual for its coastal progenitor. We also present evidence that A. taeniorhynchus feeds on reptiles in Galápagos in addition to previously reported mammal and bird hosts, highlighting the important role this mosquito might play as a bridge-vector in the transmission and spread of extant and newly introduced diseases in the Galápagos Islands. These findings are particularly pertinent for West Nile virus, which can cause significant morbidity and mortality in mammals (including humans), birds, and reptiles, and which recently has spread from an introductory focus in New York to much of the North and South American mainland and could soon reach the Galápagos Islands. Unlike Hawaii, there are likely to be no highland refugia free from invading mosquito-borne diseases in Galápagos, suggesting bleak outcomes to possible future pathogen introduction events.

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Main Authors: Bataille, Arnaud, Cunningham, Andrew A., Cedeño, Virna, Patiño, Leandro, Constantinou, Andreas, Kramer, Laura D., Goodman, Simon J.
Format: article biblioteca
Language:eng
Subjects:L72 - Organismes nuisibles des animaux, L73 - Maladies des animaux, L20 - Écologie animale,
Online Access:http://agritrop.cirad.fr/578214/
http://agritrop.cirad.fr/578214/1/Bataille2009-PNAS.pdf
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spelling dig-cirad-fr-5782142024-04-25T09:40:28Z http://agritrop.cirad.fr/578214/ http://agritrop.cirad.fr/578214/ Natural colonization and adaptation of a mosquito species in Galapagos and its implications for disease threats to endemic wildlife. Bataille Arnaud, Cunningham Andrew A., Cedeño Virna, Patiño Leandro, Constantinou Andreas, Kramer Laura D., Goodman Simon J.. 2009. Proceedings of the National Academy of Sciences of the United States of America, 106 (25) : 10230-10235.https://doi.org/10.1073/pnas.0901308106 <https://doi.org/10.1073/pnas.0901308106> Natural colonization and adaptation of a mosquito species in Galapagos and its implications for disease threats to endemic wildlife Bataille, Arnaud Cunningham, Andrew A. Cedeño, Virna Patiño, Leandro Constantinou, Andreas Kramer, Laura D. Goodman, Simon J. eng 2009 Proceedings of the National Academy of Sciences of the United States of America L72 - Organismes nuisibles des animaux L73 - Maladies des animaux L20 - Écologie animale Emerging infectious diseases of wildlife have been recognized as a major threat to global biodiversity. Endemic species on isolated oceanic islands, such as the Galápagos, are particularly at risk in the face of introduced pathogens and disease vectors. The black salt-marsh mosquito (Aedes taeniorhynchus) is the only mosquito widely distributed across the Galápagos Archipelago. Here we show that this mosquito naturally colonized the Galápagos before the arrival of man, and since then it has evolved to represent a distinct evolutionary unit and has adapted to habitats unusual for its coastal progenitor. We also present evidence that A. taeniorhynchus feeds on reptiles in Galápagos in addition to previously reported mammal and bird hosts, highlighting the important role this mosquito might play as a bridge-vector in the transmission and spread of extant and newly introduced diseases in the Galápagos Islands. These findings are particularly pertinent for West Nile virus, which can cause significant morbidity and mortality in mammals (including humans), birds, and reptiles, and which recently has spread from an introductory focus in New York to much of the North and South American mainland and could soon reach the Galápagos Islands. Unlike Hawaii, there are likely to be no highland refugia free from invading mosquito-borne diseases in Galápagos, suggesting bleak outcomes to possible future pathogen introduction events. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/578214/1/Bataille2009-PNAS.pdf text Cirad license info:eu-repo/semantics/openAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1073/pnas.0901308106 10.1073/pnas.0901308106 info:eu-repo/semantics/altIdentifier/doi/10.1073/pnas.0901308106 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1073/pnas.0901308106 info:eu-repo/semantics/dataset/purl/http://www.ncbi.nlm.nih.gov/nuccore/FM992116 info:eu-repo/semantics/dataset/purl/http://www.ncbi.nlm.nih.gov/nuccore/FM992321
institution CIRAD FR
collection DSpace
country Francia
countrycode FR
component Bibliográfico
access En linea
databasecode dig-cirad-fr
tag biblioteca
region Europa del Oeste
libraryname Biblioteca del CIRAD Francia
language eng
topic L72 - Organismes nuisibles des animaux
L73 - Maladies des animaux
L20 - Écologie animale
L72 - Organismes nuisibles des animaux
L73 - Maladies des animaux
L20 - Écologie animale
spellingShingle L72 - Organismes nuisibles des animaux
L73 - Maladies des animaux
L20 - Écologie animale
L72 - Organismes nuisibles des animaux
L73 - Maladies des animaux
L20 - Écologie animale
Bataille, Arnaud
Cunningham, Andrew A.
Cedeño, Virna
Patiño, Leandro
Constantinou, Andreas
Kramer, Laura D.
Goodman, Simon J.
Natural colonization and adaptation of a mosquito species in Galapagos and its implications for disease threats to endemic wildlife
description Emerging infectious diseases of wildlife have been recognized as a major threat to global biodiversity. Endemic species on isolated oceanic islands, such as the Galápagos, are particularly at risk in the face of introduced pathogens and disease vectors. The black salt-marsh mosquito (Aedes taeniorhynchus) is the only mosquito widely distributed across the Galápagos Archipelago. Here we show that this mosquito naturally colonized the Galápagos before the arrival of man, and since then it has evolved to represent a distinct evolutionary unit and has adapted to habitats unusual for its coastal progenitor. We also present evidence that A. taeniorhynchus feeds on reptiles in Galápagos in addition to previously reported mammal and bird hosts, highlighting the important role this mosquito might play as a bridge-vector in the transmission and spread of extant and newly introduced diseases in the Galápagos Islands. These findings are particularly pertinent for West Nile virus, which can cause significant morbidity and mortality in mammals (including humans), birds, and reptiles, and which recently has spread from an introductory focus in New York to much of the North and South American mainland and could soon reach the Galápagos Islands. Unlike Hawaii, there are likely to be no highland refugia free from invading mosquito-borne diseases in Galápagos, suggesting bleak outcomes to possible future pathogen introduction events.
format article
topic_facet L72 - Organismes nuisibles des animaux
L73 - Maladies des animaux
L20 - Écologie animale
author Bataille, Arnaud
Cunningham, Andrew A.
Cedeño, Virna
Patiño, Leandro
Constantinou, Andreas
Kramer, Laura D.
Goodman, Simon J.
author_facet Bataille, Arnaud
Cunningham, Andrew A.
Cedeño, Virna
Patiño, Leandro
Constantinou, Andreas
Kramer, Laura D.
Goodman, Simon J.
author_sort Bataille, Arnaud
title Natural colonization and adaptation of a mosquito species in Galapagos and its implications for disease threats to endemic wildlife
title_short Natural colonization and adaptation of a mosquito species in Galapagos and its implications for disease threats to endemic wildlife
title_full Natural colonization and adaptation of a mosquito species in Galapagos and its implications for disease threats to endemic wildlife
title_fullStr Natural colonization and adaptation of a mosquito species in Galapagos and its implications for disease threats to endemic wildlife
title_full_unstemmed Natural colonization and adaptation of a mosquito species in Galapagos and its implications for disease threats to endemic wildlife
title_sort natural colonization and adaptation of a mosquito species in galapagos and its implications for disease threats to endemic wildlife
url http://agritrop.cirad.fr/578214/
http://agritrop.cirad.fr/578214/1/Bataille2009-PNAS.pdf
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