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 | Acesso ao texto completo restrito à biblioteca da Embrapa Soja. Para informações adicionais entre em contato com valeria.cardoso@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
26/12/2012 |
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Data da última atualização: |
08/02/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
BARBOSA, E. G. G.; LEITE, J. P.; MARIN, S. R. R.; MARINHO, J. P.; CARVALHO, J. de F. C.; FUGANTI-PAGLIARINI, R.; FARIAS, J. R. B.; NEUMAIER, N.; MARCELINO-GUIMARÃES, F. C.; OLIVEIRA, M. C. N. de; YAMAGUCHI-SHINOZAKI, K.; NAKASHIMA, K.; MARUYAMA, K.; KANAMORI, N.; FUJITA, Y.; YOSHIDA, T.; NEPOMUCENO, A. L. |
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Afiliação: |
ELTON GARGIONI GRISOSTE BARBOSA, CNPSo; JULIANA PAULA LEITE, CNPSo; SILVANA REGINA ROCKENBACH MARIN, CNPSO; JULIANE PRELA MARINHO, CNPSo; JOSIRLEY DE FÁTIMA CORRÊA CARVALHO, CNPSo; RENATA FUGANTI-PAGLIARINI, CNPSo; JOSE RENATO BOUCAS FARIAS, CNPSO; NORMAN NEUMAIER, CNPSO; FRANCISMAR CORREA MARCELINO, CNPSO; MARIA CRISTINA NEVES DE OLIVEIRA, CNPSO; KAZUKO YAMAGUCHI-SHINOZAKI, JIRCAS; KAZUO NAKASHIMA, JIRCAS; KYONOSHIN MARUYAMA, JIRCAS; NORIHITO KANAMORI, JIRCAS; YASUNARI FUJITA, JIRCAS; TAKUYA YOSHIDA, JIRCAS; ALEXANDRE LIMA NEPOMUCENO, SRI. |
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Título: |
Overexpression of the ABA-dependent AREB1 transcription Factor from Arabidopsis thaliana improves soybean tolerance to water deficit. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Plant Molecular Biology Reporter, v. 31, n. 3, p. 719-730, jun. 2013. |
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ISSN: |
1572-9818 |
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DOI: |
10.1007/s11105-012-0541-4 |
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Idioma: |
Inglês |
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Conteúdo: |
Among current strategies for the development of drought-tolerant plants, engineering transcription factors that regulate the expression of genes related to abiotic stress is promising. Soybean plants overexpressing the transcription factor AtAREB1, which is involved in abscisic acid (ABA)-dependent stress responses, were generated using biolistics. Embryos of cultivar BR16, which is considered drought sensitive, were co-transformed with two plant ex-pression vectors, 35S::AtAREB1 and 35S::ahas. Among the lines obtained, the drought tolerance of A24.10 and A2889.12 was assessed because these lines overexpressed the AtAREB1 gene and had a low copy number of the transgene. Another line, A2057.03, was also selected because it had a high copy number of the transgene (more than 100 copies) and low levels of transgene expression. Among the two low-copy lines, the A24.10 plants exhibited a slightly lower number of leaves and a shortening of the internode length; however, no growth retardation was observed for the line A2057.03. Water stress tolerance was particularly improved in the low-copy lines A24.10 and A2889.12. Plants of these lines were able to survive a water stress period of 5 days and exhibited no leaf damage, i.e., dried areas in the leaves 3 days after rewatering. Furthermore, these lines exhibited better growth and physiological performance under water-deficit (higher relative rate of shoot length, stomatal conductance, and photosynthesis) when compared to the wild type. Our results show the potential for improving drought tolerance by overexpressing AtAREB1 in soybean. MenosAmong current strategies for the development of drought-tolerant plants, engineering transcription factors that regulate the expression of genes related to abiotic stress is promising. Soybean plants overexpressing the transcription factor AtAREB1, which is involved in abscisic acid (ABA)-dependent stress responses, were generated using biolistics. Embryos of cultivar BR16, which is considered drought sensitive, were co-transformed with two plant ex-pression vectors, 35S::AtAREB1 and 35S::ahas. Among the lines obtained, the drought tolerance of A24.10 and A2889.12 was assessed because these lines overexpressed the AtAREB1 gene and had a low copy number of the transgene. Another line, A2057.03, was also selected because it had a high copy number of the transgene (more than 100 copies) and low levels of transgene expression. Among the two low-copy lines, the A24.10 plants exhibited a slightly lower number of leaves and a shortening of the internode length; however, no growth retardation was observed for the line A2057.03. Water stress tolerance was particularly improved in the low-copy lines A24.10 and A2889.12. Plants of these lines were able to survive a water stress period of 5 days and exhibited no leaf damage, i.e., dried areas in the leaves 3 days after rewatering. Furthermore, these lines exhibited better growth and physiological performance under water-deficit (higher relative rate of shoot length, stomatal conductance, and photosynthesis) when compared to the wild typ... Mostrar Tudo |
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Palavras-Chave: |
Relação-água-planta. |
|
Thesagro: |
Deficiência hídrica; Resistência a seca; Soja. |
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Thesaurus NAL: |
Drought tolerance; Plant-water relations; Soybeans; Water stress. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02918naa a2200433 a 4500
001 1943480
005 2018-02-08
008 2013 bl uuuu u00u1 u #d
022 $a1572-9818
024 7 $a10.1007/s11105-012-0541-4$2DOI
100 1 $aBARBOSA, E. G. G.
245 $aOverexpression of the ABA-dependent AREB1 transcription Factor from Arabidopsis thaliana improves soybean tolerance to water deficit.$h[electronic resource]
260 $c2013
520 $aAmong current strategies for the development of drought-tolerant plants, engineering transcription factors that regulate the expression of genes related to abiotic stress is promising. Soybean plants overexpressing the transcription factor AtAREB1, which is involved in abscisic acid (ABA)-dependent stress responses, were generated using biolistics. Embryos of cultivar BR16, which is considered drought sensitive, were co-transformed with two plant ex-pression vectors, 35S::AtAREB1 and 35S::ahas. Among the lines obtained, the drought tolerance of A24.10 and A2889.12 was assessed because these lines overexpressed the AtAREB1 gene and had a low copy number of the transgene. Another line, A2057.03, was also selected because it had a high copy number of the transgene (more than 100 copies) and low levels of transgene expression. Among the two low-copy lines, the A24.10 plants exhibited a slightly lower number of leaves and a shortening of the internode length; however, no growth retardation was observed for the line A2057.03. Water stress tolerance was particularly improved in the low-copy lines A24.10 and A2889.12. Plants of these lines were able to survive a water stress period of 5 days and exhibited no leaf damage, i.e., dried areas in the leaves 3 days after rewatering. Furthermore, these lines exhibited better growth and physiological performance under water-deficit (higher relative rate of shoot length, stomatal conductance, and photosynthesis) when compared to the wild type. Our results show the potential for improving drought tolerance by overexpressing AtAREB1 in soybean.
650 $aDrought tolerance
650 $aPlant-water relations
650 $aSoybeans
650 $aWater stress
650 $aDeficiência hídrica
650 $aResistência a seca
650 $aSoja
653 $aRelação-água-planta
700 1 $aLEITE, J. P.
700 1 $aMARIN, S. R. R.
700 1 $aMARINHO, J. P.
700 1 $aCARVALHO, J. de F. C.
700 1 $aFUGANTI-PAGLIARINI, R.
700 1 $aFARIAS, J. R. B.
700 1 $aNEUMAIER, N.
700 1 $aMARCELINO-GUIMARÃES, F. C.
700 1 $aOLIVEIRA, M. C. N. de
700 1 $aYAMAGUCHI-SHINOZAKI, K.
700 1 $aNAKASHIMA, K.
700 1 $aMARUYAMA, K.
700 1 $aKANAMORI, N.
700 1 $aFUJITA, Y.
700 1 $aYOSHIDA, T.
700 1 $aNEPOMUCENO, A. L.
773 $tPlant Molecular Biology Reporter$gv. 31, n. 3, p. 719-730, jun. 2013.
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