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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. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
15/10/1997 |
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Data da última atualização: |
13/07/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
PAIVA, E.; KRIZ, A.; PEIXOTO, M. J. V. V. D.; WALLACE, J. C.; LARKINS, B. A. |
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Afiliação: |
EMBRAPA-CNPMS. |
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Título: |
Quantitation and distribution of y-zein in the endosperm of maize kernels. |
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Ano de publicação: |
1991 |
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Fonte/Imprenta: |
Cereal Chemistry, Saint Paul, v. 68, n. 3, p. 276-279, 1991. |
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Idioma: |
Inglês |
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Conteúdo: |
Changes in the content of y-zein (Mr 27,000) in the endopserm of normal opaque-2, floury-2, and modifieed opaque-2 maize varieties known as quality protein maize (QPM) were evaluated using sodium dodecyl sulfate-polyacrylamide gel eletrophoresis, protein fractionation schemes, and an immunoabsorbance assay. QPM genotypes, which combine high levels of lysine and tryptophan with high yields, traditional appearance, and conventional kernel hardness, were shown to contain two to live times more y-zein than nornal, opaque-2, or floury-2 genotypes. Both soft and hard regions of QPM endosperm are enriched in y-zein; the latter show higher level of a a-zein. Relationships between amounts of zeins, kernel hardness, nutritional quality, and changes in other major protein components are discussed. |
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Thesagro: |
Milho. |
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Thesaurus Nal: |
Corn. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 01344naa a2200193 a 4500
001 1477029
005 2018-07-13
008 1991 bl uuuu u00u1 u #d
100 1 $aPAIVA, E.
245 $aQuantitation and distribution of y-zein in the endosperm of maize kernels.$h[electronic resource]
260 $c1991
520 $aChanges in the content of y-zein (Mr 27,000) in the endopserm of normal opaque-2, floury-2, and modifieed opaque-2 maize varieties known as quality protein maize (QPM) were evaluated using sodium dodecyl sulfate-polyacrylamide gel eletrophoresis, protein fractionation schemes, and an immunoabsorbance assay. QPM genotypes, which combine high levels of lysine and tryptophan with high yields, traditional appearance, and conventional kernel hardness, were shown to contain two to live times more y-zein than nornal, opaque-2, or floury-2 genotypes. Both soft and hard regions of QPM endosperm are enriched in y-zein; the latter show higher level of a a-zein. Relationships between amounts of zeins, kernel hardness, nutritional quality, and changes in other major protein components are discussed.
650 $aCorn
650 $aMilho
700 1 $aKRIZ, A.
700 1 $aPEIXOTO, M. J. V. V. D.
700 1 $aWALLACE, J. C.
700 1 $aLARKINS, B. A.
773 $tCereal Chemistry, Saint Paul$gv. 68, n. 3, p. 276-279, 1991.
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Embrapa Milho e Sorgo (CNPMS) |
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| 1. |  | CHAVES, C. H. C.; CÉZAR, R. T.; SIMÕES, D. de S.; TORAL, F. L. B.; ALENCAR, M. M. de; BARBOSA, P. F. Parâmetros e tendências genéticas para características de crescimento de bovinos da raça Canchim. In: REUNIÓN DE LA ASOCIACIÓN LATINOAMERICANA DE PRODUCIÓN ANIMAL, 19.; REUNIÓN DE LA ASOCIACIÓN MEXICANA DE PRODUCIÓN ANIMAL, 30., 2005, Tampico, ME. Analles... Tampico: ALPA, 2005. 1 CD-ROM.| Tipo: Resumo em Anais de Congresso |
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