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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
17/06/2010 |
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Data da última atualização: |
04/06/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
BENATTI, T. R.; VALICENTE, F. H.; AGGARWAL, R.; ZHAO, C.; WALLING, J. G.; CHEN, M.-S.; CAMBRON, S. E.; SCHEMERHORN, B. J.; STUART, J. J. |
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Afiliação: |
THIAGO R. BENATTI, PURDUE UNIVERSITY; FERNANDO HERCOS VALICENTE, CNPMS; RAJAT AGGARWAL, PURDUE UNIVERSITY; CHAOYANG ZHAO, PURDUE UNIVERSITY; JASON G. WALLING, PURDUE UNIVERSITY; MING-SHUN CHEN, KANSAS STATE UNIVERSITY; SUE E. CAMBRON, KANSAS STATE UNIVERSITY; BRANDON J. SCHEMERHORN, KANSAS STATE UNIVERSITY; JEFFREY J. STUART, PURDUE UNIVERSITY. |
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Título: |
A neo-sex chromosome that drives postzygotic sex determination in the Hessian fly (Mayetiola destructor). |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
Genetics, Austin, v. 184, n. 3, p.769-777, 2010. |
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DOI: |
10.1534/genetics.109.10.8589 |
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Idioma: |
Inglês |
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Conteúdo: |
Two nonoverlapping autosomal inversions defined unusual neo-sex chromosomes in the Hessian fly (Mayetiola destructor). Like other neo-sex chromosomes, these were normally heterozygous, present only in one sex, and suppressed recombination around a sex-determining master switch. Their unusual properties originated from the anomalous Hessian fly sex determination system in which postzygotic chromosome elimination is used to establish the sex-determining karyotypes. This system permitted the evolution of a master switch (Chromosome maintenance, Cm) that acts maternally. All of the offspring of females that carry Cm-associated neo-sex chromosomes attain a female-determining somatic karyotype and develop as females. Thus, the chromosomes act as maternal effect neo-W's, or W-prime (W') chromosomes, where ZW' females mate with ZZ males to engender female-producing (ZW') and male-producing (ZZ) females in equal numbers. Genetic mapping and physical mapping identified the inversions. Their distribution was determined in nine populations. Experimental matings established the association of the inversions with Cm and measured their recombination suppression. The inversions are the functional equivalent of the sciarid X-prime chromosomes. We speculate that W' chromosomes exist in a variety of species that produce unisexual broods. |
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Thesaurus NAL: |
Mayetiola destructor. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02070naa a2200241 a 4500
001 1855385
005 2018-06-04
008 2010 bl uuuu u00u1 u #d
024 7 $a10.1534/genetics.109.10.8589$2DOI
100 1 $aBENATTI, T. R.
245 $aA neo-sex chromosome that drives postzygotic sex determination in the Hessian fly (Mayetiola destructor).$h[electronic resource]
260 $c2010
520 $aTwo nonoverlapping autosomal inversions defined unusual neo-sex chromosomes in the Hessian fly (Mayetiola destructor). Like other neo-sex chromosomes, these were normally heterozygous, present only in one sex, and suppressed recombination around a sex-determining master switch. Their unusual properties originated from the anomalous Hessian fly sex determination system in which postzygotic chromosome elimination is used to establish the sex-determining karyotypes. This system permitted the evolution of a master switch (Chromosome maintenance, Cm) that acts maternally. All of the offspring of females that carry Cm-associated neo-sex chromosomes attain a female-determining somatic karyotype and develop as females. Thus, the chromosomes act as maternal effect neo-W's, or W-prime (W') chromosomes, where ZW' females mate with ZZ males to engender female-producing (ZW') and male-producing (ZZ) females in equal numbers. Genetic mapping and physical mapping identified the inversions. Their distribution was determined in nine populations. Experimental matings established the association of the inversions with Cm and measured their recombination suppression. The inversions are the functional equivalent of the sciarid X-prime chromosomes. We speculate that W' chromosomes exist in a variety of species that produce unisexual broods.
650 $aMayetiola destructor
700 1 $aVALICENTE, F. H.
700 1 $aAGGARWAL, R.
700 1 $aZHAO, C.
700 1 $aWALLING, J. G.
700 1 $aCHEN, M.-S.
700 1 $aCAMBRON, S. E.
700 1 $aSCHEMERHORN, B. J.
700 1 $aSTUART, J. J.
773 $tGenetics, Austin$gv. 184, n. 3, p.769-777, 2010.
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