Darker eggs of mosquitoes resist more to dry conditions: Melanin enhances serosal cuticle contribution in egg resistance to desiccation in Aedes, Anopheles and Culex vectors

Detalhes bibliográficos
Autor(a) principal: Farnesi, Luana C.
Data de Publicação: 2017
Outros Autores: Vargas, Helena C. M., Valle, Denise, Rezende, Gustavo L.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da FIOCRUZ (ARCA)
Texto Completo: https://www.arca.fiocruz.br/handle/icict/24811
Resumo: Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Molecular de Insetos. Rio de Janeiro, RJ, Brasil.
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spelling Farnesi, Luana C.Vargas, Helena C. M.Valle, DeniseRezende, Gustavo L.2018-02-12T16:59:28Z2018-02-12T16:59:28Z2017FARNESI, Luana C. et al. Darker eggs of mosquitoes resist more to dry conditions: Melanin enhances serosal cuticle contribution in egg resistance to desiccation in Aedes, Anopheles and Culex vectors. PLoS Negl Trop Dis., v.11, n.10, e0006063, 20p, Oct. 2017.1935-2727https://www.arca.fiocruz.br/handle/icict/2481110.1371/journal.pntd.00060631935-2735engPublic Library of ScienceVetoresAedesAnophelesCulexCondições secasOvos mais escurospigmentaçãoAedesAnophelesCulexVectorsDarker eggs of mosquitoesdry conditionsresistancepigmentationDarker eggs of mosquitoes resist more to dry conditions: Melanin enhances serosal cuticle contribution in egg resistance to desiccation in Aedes, Anopheles and Culex vectorsinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleFundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Molecular de Insetos. Rio de Janeiro, RJ, Brasil.Universidade Estadual do Norte Fluminense Darcy Ribeiro. Campos dos Goytacazes, RJ, BrasilFundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Molecular de Flavivurs. Rio de Janeiro, RJ, Brasil / Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular. Rio de Janeiro, RJ, Brasil.Universidade Estadual do Norte Fluminense Darcy Ribeiro. Campos dos Goytacazes, RJ, Brasil / Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular. Rio de Janeiro, RJ, Brasil.Mosquito vectors lay their white eggs in the aquatic milieu. During early embryogenesis water passes freely through the transparent eggshell, which at this moment is composed of exochorion and endochorion. Within two hours the endochorion darkens via melanization but even so eggs shrink and perish if removed from moisture. However, during mid-embryogenesis, cells of the extraembryonic serosa secrete the serosal cuticle, localized right below the endochorion, becoming the third and innermost eggshell layer. Serosal cuticle formation greatly reduces water flow and allows egg survival outside the water. The degree of egg resistance to desiccation (ERD) at late embryogenesis varies among different species: Aedes aegypti, Anopheles aquasalis and Culex quinquefasciatus eggs can survive in a dry environment for 72, 24 and 5 hours, respectively. In some adult insects, darker-body individuals show greater resistance to desiccation than lighter ones. We asked if egg melanization enhances mosquito serosal cuticle-dependent ERD. Species with higher ERD at late embryogenesis exhibit more melanized eggshells. The melanization-ERD hypothesis was confirmed employing two Anopheles quadrimaculatus strains, the wild type and the mutant GORO, with a dark-brown and a golden eggshell, respectively. In all cases, serosal cuticle formation is fundamental for the establishment of an efficient ERD but egg viability outside the water is much higher in mosquitoes with darker eggshells than in those with lighter ones. The finding that pigmentation influences egg water balance is relevant to understand the evolutionary history of insect egg coloration. Since eggshell and adult cuticle pigmentation ensure insect survivorship in some cases, they should be considered regarding species fitness and novel approaches for vector or pest insects control.info:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; charset=utf-82991https://www.arca.fiocruz.br/bitstream/icict/24811/1/license.txt5a560609d32a3863062d77ff32785d58MD51ORIGINALdenise_valle_etal_IOC_2017.pdfdenise_valle_etal_IOC_2017.pdfapplication/pdf10391762https://www.arca.fiocruz.br/bitstream/icict/24811/2/denise_valle_etal_IOC_2017.pdf1c8618f8236c8dd686ae9a03c18c9761MD52TEXTdenise_valle_etal_IOC_2017.pdf.txtdenise_valle_etal_IOC_2017.pdf.txtExtracted texttext/plain74496https://www.arca.fiocruz.br/bitstream/icict/24811/3/denise_valle_etal_IOC_2017.pdf.txte1a851baddb4313331b0fa28538f787fMD53icict/248112018-08-15 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dc.title.pt_BR.fl_str_mv Darker eggs of mosquitoes resist more to dry conditions: Melanin enhances serosal cuticle contribution in egg resistance to desiccation in Aedes, Anopheles and Culex vectors
title Darker eggs of mosquitoes resist more to dry conditions: Melanin enhances serosal cuticle contribution in egg resistance to desiccation in Aedes, Anopheles and Culex vectors
spellingShingle Darker eggs of mosquitoes resist more to dry conditions: Melanin enhances serosal cuticle contribution in egg resistance to desiccation in Aedes, Anopheles and Culex vectors
Farnesi, Luana C.
Vetores
Aedes
Anopheles
Culex
Condições secas
Ovos mais escuros
pigmentação
Aedes
Anopheles
Culex
Vectors
Darker eggs of mosquitoes
dry conditions
resistance
pigmentation
title_short Darker eggs of mosquitoes resist more to dry conditions: Melanin enhances serosal cuticle contribution in egg resistance to desiccation in Aedes, Anopheles and Culex vectors
title_full Darker eggs of mosquitoes resist more to dry conditions: Melanin enhances serosal cuticle contribution in egg resistance to desiccation in Aedes, Anopheles and Culex vectors
title_fullStr Darker eggs of mosquitoes resist more to dry conditions: Melanin enhances serosal cuticle contribution in egg resistance to desiccation in Aedes, Anopheles and Culex vectors
title_full_unstemmed Darker eggs of mosquitoes resist more to dry conditions: Melanin enhances serosal cuticle contribution in egg resistance to desiccation in Aedes, Anopheles and Culex vectors
title_sort Darker eggs of mosquitoes resist more to dry conditions: Melanin enhances serosal cuticle contribution in egg resistance to desiccation in Aedes, Anopheles and Culex vectors
author Farnesi, Luana C.
author_facet Farnesi, Luana C.
Vargas, Helena C. M.
Valle, Denise
Rezende, Gustavo L.
author_role author
author2 Vargas, Helena C. M.
Valle, Denise
Rezende, Gustavo L.
author2_role author
author
author
dc.contributor.author.fl_str_mv Farnesi, Luana C.
Vargas, Helena C. M.
Valle, Denise
Rezende, Gustavo L.
dc.subject.other.pt_BR.fl_str_mv Vetores
Aedes
Anopheles
Culex
Condições secas
Ovos mais escuros
pigmentação
topic Vetores
Aedes
Anopheles
Culex
Condições secas
Ovos mais escuros
pigmentação
Aedes
Anopheles
Culex
Vectors
Darker eggs of mosquitoes
dry conditions
resistance
pigmentation
dc.subject.en.pt_BR.fl_str_mv Aedes
Anopheles
Culex
Vectors
Darker eggs of mosquitoes
dry conditions
resistance
pigmentation
description Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Molecular de Insetos. Rio de Janeiro, RJ, Brasil.
publishDate 2017
dc.date.issued.fl_str_mv 2017
dc.date.accessioned.fl_str_mv 2018-02-12T16:59:28Z
dc.date.available.fl_str_mv 2018-02-12T16:59:28Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.citation.fl_str_mv FARNESI, Luana C. et al. Darker eggs of mosquitoes resist more to dry conditions: Melanin enhances serosal cuticle contribution in egg resistance to desiccation in Aedes, Anopheles and Culex vectors. PLoS Negl Trop Dis., v.11, n.10, e0006063, 20p, Oct. 2017.
dc.identifier.uri.fl_str_mv https://www.arca.fiocruz.br/handle/icict/24811
dc.identifier.issn.pt_BR.fl_str_mv 1935-2727
dc.identifier.doi.none.fl_str_mv 10.1371/journal.pntd.0006063
dc.identifier.eissn.none.fl_str_mv 1935-2735
identifier_str_mv FARNESI, Luana C. et al. Darker eggs of mosquitoes resist more to dry conditions: Melanin enhances serosal cuticle contribution in egg resistance to desiccation in Aedes, Anopheles and Culex vectors. PLoS Negl Trop Dis., v.11, n.10, e0006063, 20p, Oct. 2017.
1935-2727
10.1371/journal.pntd.0006063
1935-2735
url https://www.arca.fiocruz.br/handle/icict/24811
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Public Library of Science
publisher.none.fl_str_mv Public Library of Science
dc.source.none.fl_str_mv reponame:Repositório Institucional da FIOCRUZ (ARCA)
instname:Fundação Oswaldo Cruz (FIOCRUZ)
instacron:FIOCRUZ
instname_str Fundação Oswaldo Cruz (FIOCRUZ)
instacron_str FIOCRUZ
institution FIOCRUZ
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collection Repositório Institucional da FIOCRUZ (ARCA)
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https://www.arca.fiocruz.br/bitstream/icict/24811/2/denise_valle_etal_IOC_2017.pdf
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