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Registro Completo |
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
24/08/2001 |
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Data da última atualização: |
24/08/2001 |
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Autoria: |
YU, Q.; WORTH, C.; RENGEL, Z. |
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Título: |
Using capillary electrophoresis to measure cu/zn superoxide dismutase concentration in leaves of wheat genotypes differing in tolerance to zinc deficiency. |
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Ano de publicação: |
1999 |
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Fonte/Imprenta: |
Plant Science, Calcutta, v. 143, p. 231-239, 1999. |
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Idioma: |
Inglês |
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Conteúdo: |
Three genotypes of Triticum aestivum L. and one genotype of Triticum turgidum conv. durum differing in tolerance to Zn deficiency were grown in chelate-buffered nutrient solution with or without Zn supply for up to 22 days. Genotypes that were classified as sensitive to Zn deficiency visual symptoms of Zn deficiency on leaves and had the shoot/root ratio reduced, while those classified as tolerant to Zn deficiency showed neither visual symptoms nor decline in the shoot/root ratio when grown without Zn. In an earl stage of Zn deficiency, concentration of the Cu/Zn superoxide dismutase (SOD) protein in leaf tissues measured by capillary electrophoresis was related positively to the tolerance of genotypes to Zn deficiency. In comparison with Zn sufficiency, exposure to Zn deficiency for 13 days caused an increase in Cu/Zn SOD concentration in toleant genotypes, but not in sensitive ones. These results indicate that Cu/Zn SOD might be involved in reducing Zn-deficiency-related oxidative damage in genotypes tolerant to Zn deficiency. |
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Palavras-Chave: |
Cu; Genotypes; Zn. |
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Thesagro: |
Cobre; Eletroforese; Genótipo; Metal Pesado; Trigo; Zinco. |
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Thesaurus Nal: |
copper; electrophoresis; heavy metals; wheat; zinc. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01864naa a2200313 a 4500
001 1621204
005 2001-08-24
008 1999 bl --- 0-- u #d
100 1 $aYU, Q.
245 $aUsing capillary electrophoresis to measure cu/zn superoxide dismutase concentration in leaves of wheat genotypes differing in tolerance to zinc deficiency.
260 $c1999
520 $aThree genotypes of Triticum aestivum L. and one genotype of Triticum turgidum conv. durum differing in tolerance to Zn deficiency were grown in chelate-buffered nutrient solution with or without Zn supply for up to 22 days. Genotypes that were classified as sensitive to Zn deficiency visual symptoms of Zn deficiency on leaves and had the shoot/root ratio reduced, while those classified as tolerant to Zn deficiency showed neither visual symptoms nor decline in the shoot/root ratio when grown without Zn. In an earl stage of Zn deficiency, concentration of the Cu/Zn superoxide dismutase (SOD) protein in leaf tissues measured by capillary electrophoresis was related positively to the tolerance of genotypes to Zn deficiency. In comparison with Zn sufficiency, exposure to Zn deficiency for 13 days caused an increase in Cu/Zn SOD concentration in toleant genotypes, but not in sensitive ones. These results indicate that Cu/Zn SOD might be involved in reducing Zn-deficiency-related oxidative damage in genotypes tolerant to Zn deficiency.
650 $acopper
650 $aelectrophoresis
650 $aheavy metals
650 $awheat
650 $azinc
650 $aCobre
650 $aEletroforese
650 $aGenótipo
650 $aMetal Pesado
650 $aTrigo
650 $aZinco
653 $aCu
653 $aGenotypes
653 $aZn
700 1 $aWORTH, C.
700 1 $aRENGEL, Z.
773 $tPlant Science, Calcutta$gv. 143, p. 231-239, 1999.
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Registro original: |
Embrapa Agrobiologia (CNPAB) |
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| Registros recuperados : 2 | |
| 1. |  | JIANG, F.; LOPEZ, A.; JEON, S.; FREITAS, S. T. de; YU, Q.; WU, Z.; LABAVITCH, J. M.; TIAN, S.; POWELL, A. L. T.; MITCHAM, E. Disassembly of the fruit cell wall by the ripening-associated polygalacturonase and expansin in fluences tomato cracking. Horticulture Research, v. 6, p. 1-15, 2019.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Semiárido. |
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| 2. | | DOU, Y.; MILLINGTON, J. D. A.; SILVA, R. F. B. da; MCCORD, P.; VIÑA, A.; SONG, Q.; YU, Q.; WU, W.; BATISTELLA, M.; MORAN, E.; LIU, J. Land-use changes across distant places: design of a telecoupledagent-based model. Journal of Land Use Science, v. 14, n. 3, p. 191-209, 2019.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Agricultura Digital. |
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| Registros recuperados : 2 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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