Chromosomes of Theridiidae spiders (Entelegynae): interspecific karyotype diversity in Argyrodes and diploid number intraspecific variability in Nesticodes rufipes

Detalhes bibliográficos
Autor(a) principal: Stavale, Leila Miguel
Data de Publicação: 2010
Outros Autores: Schneider, Marielle Cristina [UNIFESP], Araujo, Douglas, Brescovit, Antonio Domingos, Cella, Doralice Maria
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNIFESP
Texto Completo: http://repositorio.unifesp.br/handle/11600/5567
http://dx.doi.org/10.1590/S1415-47572010005000076
Resumo: Theridiidae is a derived family within the Araneoidea clade. In contrast to closely related groups, the 2n(male) = 20+X1X2 with acro/telocentric chromosomes is the most widespread karyotype among the theridiid spiders. In this work, the cytogenetic analysis of Argyrodes elevatus revealed original chromosome features different from those previously registered for Theridiidae, including the presence of 2n(male) = 20+X with meta/submetacentric chromosomes. Most individuals of Nesticodes rufipes showed family conserved karyotype characteristics. However, one individual had a 2n(male) = 24 due to the presence of an extra chromosome pair, which exhibited regular behavior and reductional segregation during meiosis. After silver staining, mitotic cells exhibited NORs localized on the terminal regions of the short arms of pairs 2, 3, and 4 of A. elevatus and on the terminal regions of long arms of pair 4 of N. rufipes. The comparative analysis with data from phylogenetically related species allowed the clarification of the origin of the interspecific and intraspecific chromosome variability observed in Argyrodes and in N. rufipes, respectively.
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spelling Stavale, Leila MiguelSchneider, Marielle Cristina [UNIFESP]Araujo, DouglasBrescovit, Antonio DomingosCella, Doralice MariaUniversidade Estadual Paulista (UNESP)Universidade Federal de São Paulo (UNIFESP)Universidade Estadual de Mato Grosso do SuInstituto Butantan Laboratório de Artrópodes2015-06-14T13:41:30Z2015-06-14T13:41:30Z2010-01-01Genetics and Molecular Biology. Sociedade Brasileira de Genética, v. 33, n. 4, p. 663-668, 2010.1415-4757http://repositorio.unifesp.br/handle/11600/5567http://dx.doi.org/10.1590/S1415-47572010005000076S1415-47572010000400012.pdfS1415-4757201000040001210.1590/S1415-47572010005000076WOS:000286321000012Theridiidae is a derived family within the Araneoidea clade. In contrast to closely related groups, the 2n(male) = 20+X1X2 with acro/telocentric chromosomes is the most widespread karyotype among the theridiid spiders. In this work, the cytogenetic analysis of Argyrodes elevatus revealed original chromosome features different from those previously registered for Theridiidae, including the presence of 2n(male) = 20+X with meta/submetacentric chromosomes. Most individuals of Nesticodes rufipes showed family conserved karyotype characteristics. However, one individual had a 2n(male) = 24 due to the presence of an extra chromosome pair, which exhibited regular behavior and reductional segregation during meiosis. After silver staining, mitotic cells exhibited NORs localized on the terminal regions of the short arms of pairs 2, 3, and 4 of A. elevatus and on the terminal regions of long arms of pair 4 of N. rufipes. The comparative analysis with data from phylogenetically related species allowed the clarification of the origin of the interspecific and intraspecific chromosome variability observed in Argyrodes and in N. rufipes, respectively.Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Universidade Estadual Paulista Júlio de Mesquita Filho Departamento de BiologiaUniversidade Federal de São Paulo (UNIFESP) Departamento de Ciências BiológicasUniversidade Estadual de Mato Grosso do SuInstituto Butantan Laboratório de ArtrópodesUNIFESP, Depto. de Ciências BiológicasFAPESP: 06/53275-3FAPESP: 08/55633-0SciELO663-668engSociedade Brasileira de GenéticaGenetics and Molecular Biologychromosome morphologycytogeneticmeiosisnucleolar organizer regionsex chromosome systemChromosomes of Theridiidae spiders (Entelegynae): interspecific karyotype diversity in Argyrodes and diploid number intraspecific variability in Nesticodes rufipesinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UNIFESPinstname:Universidade Federal de São Paulo (UNIFESP)instacron:UNIFESPORIGINALS1415-47572010000400012.pdfapplication/pdf265909${dspace.ui.url}/bitstream/11600/5567/1/S1415-47572010000400012.pdfece273c362162eb8a4f54377d1e17b9aMD51open accessTEXTS1415-47572010000400012.pdf.txtS1415-47572010000400012.pdf.txtExtracted texttext/plain21582${dspace.ui.url}/bitstream/11600/5567/9/S1415-47572010000400012.pdf.txt63d6d7d4d67f5af5dd6220f5113cae1eMD59open accessTHUMBNAILS1415-47572010000400012.pdf.jpgS1415-47572010000400012.pdf.jpgIM Thumbnailimage/jpeg6503${dspace.ui.url}/bitstream/11600/5567/11/S1415-47572010000400012.pdf.jpg9059bfed14172c8d793c6462b68d368dMD511open access11600/55672023-06-05 19:27:22.712open accessoai:repositorio.unifesp.br:11600/5567Repositório InstitucionalPUBhttp://www.repositorio.unifesp.br/oai/requestopendoar:34652023-06-05T22:27:22Repositório Institucional da UNIFESP - Universidade Federal de São Paulo (UNIFESP)false
dc.title.en.fl_str_mv Chromosomes of Theridiidae spiders (Entelegynae): interspecific karyotype diversity in Argyrodes and diploid number intraspecific variability in Nesticodes rufipes
title Chromosomes of Theridiidae spiders (Entelegynae): interspecific karyotype diversity in Argyrodes and diploid number intraspecific variability in Nesticodes rufipes
spellingShingle Chromosomes of Theridiidae spiders (Entelegynae): interspecific karyotype diversity in Argyrodes and diploid number intraspecific variability in Nesticodes rufipes
Stavale, Leila Miguel
chromosome morphology
cytogenetic
meiosis
nucleolar organizer region
sex chromosome system
title_short Chromosomes of Theridiidae spiders (Entelegynae): interspecific karyotype diversity in Argyrodes and diploid number intraspecific variability in Nesticodes rufipes
title_full Chromosomes of Theridiidae spiders (Entelegynae): interspecific karyotype diversity in Argyrodes and diploid number intraspecific variability in Nesticodes rufipes
title_fullStr Chromosomes of Theridiidae spiders (Entelegynae): interspecific karyotype diversity in Argyrodes and diploid number intraspecific variability in Nesticodes rufipes
title_full_unstemmed Chromosomes of Theridiidae spiders (Entelegynae): interspecific karyotype diversity in Argyrodes and diploid number intraspecific variability in Nesticodes rufipes
title_sort Chromosomes of Theridiidae spiders (Entelegynae): interspecific karyotype diversity in Argyrodes and diploid number intraspecific variability in Nesticodes rufipes
author Stavale, Leila Miguel
author_facet Stavale, Leila Miguel
Schneider, Marielle Cristina [UNIFESP]
Araujo, Douglas
Brescovit, Antonio Domingos
Cella, Doralice Maria
author_role author
author2 Schneider, Marielle Cristina [UNIFESP]
Araujo, Douglas
Brescovit, Antonio Domingos
Cella, Doralice Maria
author2_role author
author
author
author
dc.contributor.institution.none.fl_str_mv Universidade Estadual Paulista (UNESP)
Universidade Federal de São Paulo (UNIFESP)
Universidade Estadual de Mato Grosso do Su
Instituto Butantan Laboratório de Artrópodes
dc.contributor.author.fl_str_mv Stavale, Leila Miguel
Schneider, Marielle Cristina [UNIFESP]
Araujo, Douglas
Brescovit, Antonio Domingos
Cella, Doralice Maria
dc.subject.eng.fl_str_mv chromosome morphology
cytogenetic
meiosis
nucleolar organizer region
sex chromosome system
topic chromosome morphology
cytogenetic
meiosis
nucleolar organizer region
sex chromosome system
description Theridiidae is a derived family within the Araneoidea clade. In contrast to closely related groups, the 2n(male) = 20+X1X2 with acro/telocentric chromosomes is the most widespread karyotype among the theridiid spiders. In this work, the cytogenetic analysis of Argyrodes elevatus revealed original chromosome features different from those previously registered for Theridiidae, including the presence of 2n(male) = 20+X with meta/submetacentric chromosomes. Most individuals of Nesticodes rufipes showed family conserved karyotype characteristics. However, one individual had a 2n(male) = 24 due to the presence of an extra chromosome pair, which exhibited regular behavior and reductional segregation during meiosis. After silver staining, mitotic cells exhibited NORs localized on the terminal regions of the short arms of pairs 2, 3, and 4 of A. elevatus and on the terminal regions of long arms of pair 4 of N. rufipes. The comparative analysis with data from phylogenetically related species allowed the clarification of the origin of the interspecific and intraspecific chromosome variability observed in Argyrodes and in N. rufipes, respectively.
publishDate 2010
dc.date.issued.fl_str_mv 2010-01-01
dc.date.accessioned.fl_str_mv 2015-06-14T13:41:30Z
dc.date.available.fl_str_mv 2015-06-14T13:41:30Z
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dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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status_str publishedVersion
dc.identifier.citation.fl_str_mv Genetics and Molecular Biology. Sociedade Brasileira de Genética, v. 33, n. 4, p. 663-668, 2010.
dc.identifier.uri.fl_str_mv http://repositorio.unifesp.br/handle/11600/5567
http://dx.doi.org/10.1590/S1415-47572010005000076
dc.identifier.issn.none.fl_str_mv 1415-4757
dc.identifier.file.none.fl_str_mv S1415-47572010000400012.pdf
dc.identifier.scielo.none.fl_str_mv S1415-47572010000400012
dc.identifier.doi.none.fl_str_mv 10.1590/S1415-47572010005000076
dc.identifier.wos.none.fl_str_mv WOS:000286321000012
identifier_str_mv Genetics and Molecular Biology. Sociedade Brasileira de Genética, v. 33, n. 4, p. 663-668, 2010.
1415-4757
S1415-47572010000400012.pdf
S1415-47572010000400012
10.1590/S1415-47572010005000076
WOS:000286321000012
url http://repositorio.unifesp.br/handle/11600/5567
http://dx.doi.org/10.1590/S1415-47572010005000076
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publisher.none.fl_str_mv Sociedade Brasileira de Genética
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instname:Universidade Federal de São Paulo (UNIFESP)
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