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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
15/05/2012 |
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Data da última atualização: |
17/08/2015 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SCHEMBERGER, M. O.; BELLAFRONTE, E.; NOGAROTO, V.; ALMEIDA, M. C.; SCHUHLI, G. S. e; ARTONI, R. F.; MOREIRA-FILHO, O.; VICARI, M. R. |
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Afiliação: |
Michelle Orane Schemberger, Universidade Estadual de Ponta Grossa; Elisangela Bellafronte, Universidade Federal de São Carlos; Viviane Nogaroto, Universidade Estadual de Ponta Grossa; Mara Cristina Almeida, Universidade Estadual de Ponta Grossa; GUILHERME SCHNELL E SCHUHLI, CNPF; Roberto Ferreira Artoni, Universidade Estadual de Ponta Grossa; Orlando Moreira-Filho, Universidade Federal de São Carlos; Marcelo Ricardo Vicari, Universidade Estadual de Ponta Grossa. |
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Título: |
Differentiation of repetitive DNA sites and sex chromosome systems reveal closely related group in Parodontidae (Actinopterygii : Characiformes). |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Genetica, v. 139, n. 11-12, p. 1499-1508, 2011. |
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ISSN: |
1573-6857 |
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DOI: |
10.1007/s10709-012-9649-6 |
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Idioma: |
Inglês |
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Conteúdo: |
Parodon and Apareiodon lack sufficiently consistent morphological traits to be considered a monophyletic group in Parodontidae. Species within this family are either sex-homomorphic or sex-heteromorphic (i.e., lacking a differentiated sex chromosome system, ZZ/ZW or ZZ/ ZW1W2). In this study, a DNA fragment from the heterochromatin segment of the W chromosome of Apareiodon ibitiensis (named WAp) was microdissected and used for in situ mapping of nine Parodontidae species. The species were also characterized using a satellite DNA probe (pPh2004). The species were phylogenetically clustered according to 17 characters, which were examined by both classical and molecular cytogenetic techniques. Given the present results, the single ZZ/ZW sex chromosome system seems to have been derived from a paracentric inversion of a terminal WAp site onto the proximal regions of the short arms of a metacentric chromosome pair, followed by WAp site amplification. We reason that these events restrained recombination and favored differentiation of the W chromosome in some species. Moreover, co-hybridization experiments targeting theWAp and pPh2004 repetitiveDNA sites of A. affinis suggest that the ZZ/ZW1W2 sex chromosomes of this species may have arisen from a translocation between the proto-sex chromosome and an autosome. Our phylogenetic analysis corroborates the hypothesis of sex chromosome differentiation and establishes groups of closely related species. The phylogenetic reorganization in response to these new data supports the presence of internal monophyletic groups within Parodontidae. MenosParodon and Apareiodon lack sufficiently consistent morphological traits to be considered a monophyletic group in Parodontidae. Species within this family are either sex-homomorphic or sex-heteromorphic (i.e., lacking a differentiated sex chromosome system, ZZ/ZW or ZZ/ ZW1W2). In this study, a DNA fragment from the heterochromatin segment of the W chromosome of Apareiodon ibitiensis (named WAp) was microdissected and used for in situ mapping of nine Parodontidae species. The species were also characterized using a satellite DNA probe (pPh2004). The species were phylogenetically clustered according to 17 characters, which were examined by both classical and molecular cytogenetic techniques. Given the present results, the single ZZ/ZW sex chromosome system seems to have been derived from a paracentric inversion of a terminal WAp site onto the proximal regions of the short arms of a metacentric chromosome pair, followed by WAp site amplification. We reason that these events restrained recombination and favored differentiation of the W chromosome in some species. Moreover, co-hybridization experiments targeting theWAp and pPh2004 repetitiveDNA sites of A. affinis suggest that the ZZ/ZW1W2 sex chromosomes of this species may have arisen from a translocation between the proto-sex chromosome and an autosome. Our phylogenetic analysis corroborates the hypothesis of sex chromosome differentiation and establishes groups of closely related species. The phylogenetic reorganization in r... Mostrar Tudo |
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Palavras-Chave: |
Chromosome microdissection; Cytosystematics; DOP-PCR; Dual color-FISH; Karyotype evolution; Microdissecção cromossômica. |
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Thesagro: |
Cromossoma. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02575naa a2200313 a 4500
001 1924652
005 2015-08-17
008 2011 bl uuuu u00u1 u #d
022 $a1573-6857
024 7 $a10.1007/s10709-012-9649-6$2DOI
100 1 $aSCHEMBERGER, M. O.
245 $aDifferentiation of repetitive DNA sites and sex chromosome systems reveal closely related group in Parodontidae (Actinopterygii$bCharaciformes).$h[electronic resource]
260 $c2011
520 $aParodon and Apareiodon lack sufficiently consistent morphological traits to be considered a monophyletic group in Parodontidae. Species within this family are either sex-homomorphic or sex-heteromorphic (i.e., lacking a differentiated sex chromosome system, ZZ/ZW or ZZ/ ZW1W2). In this study, a DNA fragment from the heterochromatin segment of the W chromosome of Apareiodon ibitiensis (named WAp) was microdissected and used for in situ mapping of nine Parodontidae species. The species were also characterized using a satellite DNA probe (pPh2004). The species were phylogenetically clustered according to 17 characters, which were examined by both classical and molecular cytogenetic techniques. Given the present results, the single ZZ/ZW sex chromosome system seems to have been derived from a paracentric inversion of a terminal WAp site onto the proximal regions of the short arms of a metacentric chromosome pair, followed by WAp site amplification. We reason that these events restrained recombination and favored differentiation of the W chromosome in some species. Moreover, co-hybridization experiments targeting theWAp and pPh2004 repetitiveDNA sites of A. affinis suggest that the ZZ/ZW1W2 sex chromosomes of this species may have arisen from a translocation between the proto-sex chromosome and an autosome. Our phylogenetic analysis corroborates the hypothesis of sex chromosome differentiation and establishes groups of closely related species. The phylogenetic reorganization in response to these new data supports the presence of internal monophyletic groups within Parodontidae.
650 $aCromossoma
653 $aChromosome microdissection
653 $aCytosystematics
653 $aDOP-PCR
653 $aDual color-FISH
653 $aKaryotype evolution
653 $aMicrodissecção cromossômica
700 1 $aBELLAFRONTE, E.
700 1 $aNOGAROTO, V.
700 1 $aALMEIDA, M. C.
700 1 $aSCHUHLI, G. S. e
700 1 $aARTONI, R. F.
700 1 $aMOREIRA-FILHO, O.
700 1 $aVICARI, M. R.
773 $tGenetica$gv. 139, n. 11-12, p. 1499-1508, 2011.
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Registro original: |
Embrapa Florestas (CNPF) |
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Registro Completo
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Biblioteca(s): |
Embrapa Hortaliças. |
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Data corrente: |
23/06/1999 |
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Data da última atualização: |
23/06/1999 |
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Autoria: |
MOURA, W. M.; CASTELO BRANCO, M.; MALUF, W. R. |
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Afiliação: |
EMBRAPA-CNPH, Brasilia, DF. |
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Título: |
Avaliacao de diferentes introducoes de Cucurbita spp para resistencia ao virus do mosaico da melancia (WMV-1). |
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Ano de publicação: |
1985 |
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Fonte/Imprenta: |
Horticultura Brasileira, Brasilia, v.3, n.1, p.81, maio 1985. |
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Idioma: |
Português |
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Notas: |
Resumo. |
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Palavras-Chave: |
Abobrinha; Avaliacao; Competition; Evaluation; Moranga; Pumpkin; Resistance; Winter squash; WMV-1. |
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Thesagro: |
Abóbora; Competição de Variedade; Cucúrbita Máxima; Cucúrbita Moschata; Cucúrbita Pepo; Resistência; Vírus. |
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Thesaurus NAL: |
varieties; zucchini. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00972naa a2200361 a 4500
001 1764335
005 1999-06-23
008 1985 bl uuuu u00u1 u #d
100 1 $aMOURA, W. M.
245 $aAvaliacao de diferentes introducoes de Cucurbita spp para resistencia ao virus do mosaico da melancia (WMV-1).
260 $c1985
500 $aResumo.
650 $avarieties
650 $azucchini
650 $aAbóbora
650 $aCompetição de Variedade
650 $aCucúrbita Máxima
650 $aCucúrbita Moschata
650 $aCucúrbita Pepo
650 $aResistência
650 $aVírus
653 $aAbobrinha
653 $aAvaliacao
653 $aCompetition
653 $aEvaluation
653 $aMoranga
653 $aPumpkin
653 $aResistance
653 $aWinter squash
653 $aWMV-1
700 1 $aCASTELO BRANCO, M.
700 1 $aMALUF, W. R.
773 $tHorticultura Brasileira, Brasilia$gv.3, n.1, p.81, maio 1985.
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