Karyotype of Brazilian Anopheles albitarsis sensu lato (Diptera:Culicidae).

Bibliographic Details
Main Author: Rafael, Míriam Silva
Publication Date: 2005
Other Authors: dos Santos-Junior, Ivanildo Pereira, Tadei, Wanderli Pedro, Sallum, Maria Anice Mubeb, Forattini, Oswaldo Paulo
Format: Article
Language: eng
Source: Repositório Institucional do INPA
Download full: https://repositorio.inpa.gov.br/handle/1/15014
https://geneticsmr.com/sites/default/files/articles/year2005/vol4-4/pdf/gmr0184.pdf
Summary: Anopheles (Nyssorhynchus) albitarsis sensu lato is an important malaria vector in Brazil, especially in the Brazilian Amazon region. Chromosome preparations of fourth-instar larvae of A. albitarsis from Iranduba and Coari (AM) and Ilha Comprida (SP) were analyzed for karyotype determination and to improve cytogenetic identification of this species. Anopheles albitarsis possesses 2n = 6 chromosomes, with two pairs (submetacentric and metacentric) of autosomes and one pair of sex chromosomes, with X-Y dimorphism. The sex pair is homomorphic and acrocentric in females and heteromorphic in males, with a punctiform Y chromosome. Somatic pairing was detected in the prometaphase and metaphase chromosomes of the three A. albitarsis populations. Apparently, sex chromosome evolution in the Culicidae does not function as does evolution in the Culicidae, since it occurs in the subfamily Anophelinae, which possesses heteromorphic sex chromosomes and is regarded as primitive, based on several criteria. These karyotype data on the albitarsis complex reinforce the hypothesis that sex chromosome evolution in the subfamily Anophelinae is conserved, and the variation revealed in the mean size of chromosomes in three populations indicates that selective pressure in these populations is occurring only at a genetic level.
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spelling Rafael, Míriam Silvados Santos-Junior, Ivanildo PereiraTadei, Wanderli PedroSallum, Maria Anice MubebForattini, Oswaldo Paulo2020-05-07T14:00:34Z2020-05-07T14:00:34Z2005https://repositorio.inpa.gov.br/handle/1/15014https://geneticsmr.com/sites/default/files/articles/year2005/vol4-4/pdf/gmr0184.pdfAnopheles (Nyssorhynchus) albitarsis sensu lato is an important malaria vector in Brazil, especially in the Brazilian Amazon region. Chromosome preparations of fourth-instar larvae of A. albitarsis from Iranduba and Coari (AM) and Ilha Comprida (SP) were analyzed for karyotype determination and to improve cytogenetic identification of this species. Anopheles albitarsis possesses 2n = 6 chromosomes, with two pairs (submetacentric and metacentric) of autosomes and one pair of sex chromosomes, with X-Y dimorphism. The sex pair is homomorphic and acrocentric in females and heteromorphic in males, with a punctiform Y chromosome. Somatic pairing was detected in the prometaphase and metaphase chromosomes of the three A. albitarsis populations. Apparently, sex chromosome evolution in the Culicidae does not function as does evolution in the Culicidae, since it occurs in the subfamily Anophelinae, which possesses heteromorphic sex chromosomes and is regarded as primitive, based on several criteria. These karyotype data on the albitarsis complex reinforce the hypothesis that sex chromosome evolution in the subfamily Anophelinae is conserved, and the variation revealed in the mean size of chromosomes in three populations indicates that selective pressure in these populations is occurring only at a genetic level.Volume 4, Número 4, Pags. 684-690Attribution-NonCommercial-NoDerivs 3.0 Brazilhttp://creativecommons.org/licenses/by-nc-nd/3.0/br/info:eu-repo/semantics/openAccessAnimalsAnimals DiseaseAnophelesBrasilDisease CarrierFemaleGeneticsHumanKaryotypingLarvaMaleMethodologySex ChromosomeAnimalAnophelesBrasilFemaleHumansInsect VectorsKaryotypingLarvaMaleSex ChromosomesKaryotype of Brazilian Anopheles albitarsis sensu lato (Diptera:Culicidae).info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleGenetics and Molecular Researchengreponame:Repositório Institucional do INPAinstname:Instituto Nacional de Pesquisas da Amazônia (INPA)instacron:INPAORIGINALartigo-inpa.pdfapplication/pdf618666https://repositorio.inpa.gov.br/bitstream/1/15014/1/artigo-inpa.pdf456de97e6efdea4a9a70eeb84492eb2aMD51CC-LICENSElicense_rdfapplication/octet-stream914https://repositorio.inpa.gov.br/bitstream/1/15014/2/license_rdf4d2950bda3d176f570a9f8b328dfbbefMD521/150142020-07-14 10:30:52.468oai:repositorio:1/15014Repositório de PublicaçõesPUBhttps://repositorio.inpa.gov.br/oai/requestopendoar:2020-07-14T14:30:52Repositório Institucional do INPA - Instituto Nacional de Pesquisas da Amazônia (INPA)false
dc.title.en.fl_str_mv Karyotype of Brazilian Anopheles albitarsis sensu lato (Diptera:Culicidae).
title Karyotype of Brazilian Anopheles albitarsis sensu lato (Diptera:Culicidae).
spellingShingle Karyotype of Brazilian Anopheles albitarsis sensu lato (Diptera:Culicidae).
Rafael, Míriam Silva
Animals
Animals Disease
Anopheles
Brasil
Disease Carrier
Female
Genetics
Human
Karyotyping
Larva
Male
Methodology
Sex Chromosome
Animal
Anopheles
Brasil
Female
Humans
Insect Vectors
Karyotyping
Larva
Male
Sex Chromosomes
title_short Karyotype of Brazilian Anopheles albitarsis sensu lato (Diptera:Culicidae).
title_full Karyotype of Brazilian Anopheles albitarsis sensu lato (Diptera:Culicidae).
title_fullStr Karyotype of Brazilian Anopheles albitarsis sensu lato (Diptera:Culicidae).
title_full_unstemmed Karyotype of Brazilian Anopheles albitarsis sensu lato (Diptera:Culicidae).
title_sort Karyotype of Brazilian Anopheles albitarsis sensu lato (Diptera:Culicidae).
author Rafael, Míriam Silva
author_facet Rafael, Míriam Silva
dos Santos-Junior, Ivanildo Pereira
Tadei, Wanderli Pedro
Sallum, Maria Anice Mubeb
Forattini, Oswaldo Paulo
author_role author
author2 dos Santos-Junior, Ivanildo Pereira
Tadei, Wanderli Pedro
Sallum, Maria Anice Mubeb
Forattini, Oswaldo Paulo
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Rafael, Míriam Silva
dos Santos-Junior, Ivanildo Pereira
Tadei, Wanderli Pedro
Sallum, Maria Anice Mubeb
Forattini, Oswaldo Paulo
dc.subject.eng.fl_str_mv Animals
Animals Disease
Anopheles
Brasil
Disease Carrier
Female
Genetics
Human
Karyotyping
Larva
Male
Methodology
Sex Chromosome
Animal
Anopheles
Brasil
Female
Humans
Insect Vectors
Karyotyping
Larva
Male
Sex Chromosomes
topic Animals
Animals Disease
Anopheles
Brasil
Disease Carrier
Female
Genetics
Human
Karyotyping
Larva
Male
Methodology
Sex Chromosome
Animal
Anopheles
Brasil
Female
Humans
Insect Vectors
Karyotyping
Larva
Male
Sex Chromosomes
description Anopheles (Nyssorhynchus) albitarsis sensu lato is an important malaria vector in Brazil, especially in the Brazilian Amazon region. Chromosome preparations of fourth-instar larvae of A. albitarsis from Iranduba and Coari (AM) and Ilha Comprida (SP) were analyzed for karyotype determination and to improve cytogenetic identification of this species. Anopheles albitarsis possesses 2n = 6 chromosomes, with two pairs (submetacentric and metacentric) of autosomes and one pair of sex chromosomes, with X-Y dimorphism. The sex pair is homomorphic and acrocentric in females and heteromorphic in males, with a punctiform Y chromosome. Somatic pairing was detected in the prometaphase and metaphase chromosomes of the three A. albitarsis populations. Apparently, sex chromosome evolution in the Culicidae does not function as does evolution in the Culicidae, since it occurs in the subfamily Anophelinae, which possesses heteromorphic sex chromosomes and is regarded as primitive, based on several criteria. These karyotype data on the albitarsis complex reinforce the hypothesis that sex chromosome evolution in the subfamily Anophelinae is conserved, and the variation revealed in the mean size of chromosomes in three populations indicates that selective pressure in these populations is occurring only at a genetic level.
publishDate 2005
dc.date.issued.fl_str_mv 2005
dc.date.accessioned.fl_str_mv 2020-05-07T14:00:34Z
dc.date.available.fl_str_mv 2020-05-07T14:00:34Z
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.uri.fl_str_mv https://repositorio.inpa.gov.br/handle/1/15014
dc.identifier.doi.none.fl_str_mv https://geneticsmr.com/sites/default/files/articles/year2005/vol4-4/pdf/gmr0184.pdf
url https://repositorio.inpa.gov.br/handle/1/15014
https://geneticsmr.com/sites/default/files/articles/year2005/vol4-4/pdf/gmr0184.pdf
dc.language.iso.fl_str_mv eng
language eng
dc.relation.ispartof.pt_BR.fl_str_mv Volume 4, Número 4, Pags. 684-690
dc.rights.driver.fl_str_mv Attribution-NonCommercial-NoDerivs 3.0 Brazil
http://creativecommons.org/licenses/by-nc-nd/3.0/br/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Attribution-NonCommercial-NoDerivs 3.0 Brazil
http://creativecommons.org/licenses/by-nc-nd/3.0/br/
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Genetics and Molecular Research
publisher.none.fl_str_mv Genetics and Molecular Research
dc.source.none.fl_str_mv reponame:Repositório Institucional do INPA
instname:Instituto Nacional de Pesquisas da Amazônia (INPA)
instacron:INPA
instname_str Instituto Nacional de Pesquisas da Amazônia (INPA)
instacron_str INPA
institution INPA
reponame_str Repositório Institucional do INPA
collection Repositório Institucional do INPA
bitstream.url.fl_str_mv https://repositorio.inpa.gov.br/bitstream/1/15014/1/artigo-inpa.pdf
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