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Registro Completo |
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
17/02/2012 |
Data da última atualização: |
13/07/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
POLIZEL, A. M.; MEDRI, M. E.; NAKASHIMA, K.; YAMANAKA, N.; FARIAS, J. R. B.; OLIVEIRA, M. C. N. de; MARIN, S. R. R.; ABDELNOOR, R. V.; MARCELINO, F. C.; FUGANTI, R.; RODRIGUES, F. A.; STOLF-MOREIRA, R.; BENEVENTI, M. A.; ROLLA, A. A. P.; NEUMAIER, N.; YAMAGUCHI-SHINOZAKI, K.; CARVALHO, J. F. C.; NEPOMUCENO, A. L. |
Afiliação: |
UEL; UEL; JIRCAS; JIRCAS; JOSE RENATO BOUCAS FARIAS, CNPSO; MARIA CRISTINA NEVES DE OLIVEIRA, CNPSO; SILVANA REGINA ROCKENBACH MARIN, CNPSO; RICARDO VILELA ABDELNOOR, CNPSO; FRANCISMAR CORREA MARCELINO, CNPSO; RENATA FUGANTI, CNPSo; CNPSo; RENATA STOLF MOREIRA, CNPSo; UFRGS; AMANDA A. P. ROLLA, UEL; NORMAN NEUMAIER, CNPSO; JIRCAS; CNPSo; ALEXANDRE LIMA NEPOMUCENO, SRI. |
Título: |
Molecular, anatomical and physiological properties of a genetically modified soybean line transformed with rd29A:AtDREB1A for the improvement of drought tolerance. |
Ano de publicação: |
2011 |
Fonte/Imprenta: |
Genetics and Molecular Research, Ribeirão Preto, v. 10, n. 4, p. 3641-3656, 2011. |
DOI: |
http://dx.doi.org/10.4238/2011.October.21.4 |
Idioma: |
Inglês |
Conteúdo: |
We evaluated the molecular, anatomical and physiological properties of a soybean line transformed to improve drought tolerance with an rd29A:AtDREB1A construct. This construct expressed dehydration- responsive element binding protein DREB1A from the stress-inducible rd29A promoter. The greenhouse growth test included four randomized blocks of soybean plants, with each treatment performed in triplicate. Seeds from the non-transformed soybean cultivar BR16 and from the genetically modified soybean P58 line (T2 generation) were grown at 15% gravimetric humidity for 31 days. To induce water deficit, the humidity was reduced to 5% gravimetric humidity (moderate stress) for 29 days and then to 2.5% gravimetric humidity (severe stress). AtDREB1A gene expression was higher in the genetically modified P58 plants during water deficit, demonstrating transgene stability in T2 generations and induction of the rd29A promoter. Drought-response genes, including GmPI-PLC, GmSTP, GmGRP, and GmLEA14, were highly expressed in plants submitted to severe stress. Genetically modified plants had higher stomatal conductance and consequently higher photosynthetic and transpiration rates. In addition, they had more chlorophyll. Overexpression of AtDREB1A may contribute to a decrease in leaf thickness; however, a thicker abaxial epidermis was observed. Overexpression of AtDREB1A in soybean appears to enhance drought tolerance. |
Thesagro: |
Fisiologia vegetal; Resistência a seca; Soja. |
Thesaurus Nal: |
Drought tolerance; Plant physiology; Soybeans. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/54351/1/gmr14611.104.pdf
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Marc: |
LEADER 02697naa a2200409 a 4500 001 1916042 005 2017-07-13 008 2011 bl uuuu u00u1 u #d 024 7 $ahttp://dx.doi.org/10.4238/2011.October.21.4$2DOI 100 1 $aPOLIZEL, A. M. 245 $aMolecular, anatomical and physiological properties of a genetically modified soybean line transformed with rd29A$bAtDREB1A for the improvement of drought tolerance. 260 $c2011 520 $aWe evaluated the molecular, anatomical and physiological properties of a soybean line transformed to improve drought tolerance with an rd29A:AtDREB1A construct. This construct expressed dehydration- responsive element binding protein DREB1A from the stress-inducible rd29A promoter. The greenhouse growth test included four randomized blocks of soybean plants, with each treatment performed in triplicate. Seeds from the non-transformed soybean cultivar BR16 and from the genetically modified soybean P58 line (T2 generation) were grown at 15% gravimetric humidity for 31 days. To induce water deficit, the humidity was reduced to 5% gravimetric humidity (moderate stress) for 29 days and then to 2.5% gravimetric humidity (severe stress). AtDREB1A gene expression was higher in the genetically modified P58 plants during water deficit, demonstrating transgene stability in T2 generations and induction of the rd29A promoter. Drought-response genes, including GmPI-PLC, GmSTP, GmGRP, and GmLEA14, were highly expressed in plants submitted to severe stress. Genetically modified plants had higher stomatal conductance and consequently higher photosynthetic and transpiration rates. In addition, they had more chlorophyll. Overexpression of AtDREB1A may contribute to a decrease in leaf thickness; however, a thicker abaxial epidermis was observed. Overexpression of AtDREB1A in soybean appears to enhance drought tolerance. 650 $aDrought tolerance 650 $aPlant physiology 650 $aSoybeans 650 $aFisiologia vegetal 650 $aResistência a seca 650 $aSoja 700 1 $aMEDRI, M. E. 700 1 $aNAKASHIMA, K. 700 1 $aYAMANAKA, N. 700 1 $aFARIAS, J. R. B. 700 1 $aOLIVEIRA, M. C. N. de 700 1 $aMARIN, S. R. R. 700 1 $aABDELNOOR, R. V. 700 1 $aMARCELINO, F. C. 700 1 $aFUGANTI, R. 700 1 $aRODRIGUES, F. A. 700 1 $aSTOLF-MOREIRA, R. 700 1 $aBENEVENTI, M. A. 700 1 $aROLLA, A. A. P. 700 1 $aNEUMAIER, N. 700 1 $aYAMAGUCHI-SHINOZAKI, K. 700 1 $aCARVALHO, J. F. C. 700 1 $aNEPOMUCENO, A. L. 773 $tGenetics and Molecular Research, Ribeirão Preto$gv. 10, n. 4, p. 3641-3656, 2011.
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Embrapa Soja (CNPSO) |
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Registro Completo
Biblioteca(s): |
Embrapa Meio-Norte; Embrapa Milho e Sorgo. |
Data corrente: |
26/02/1998 |
Data da última atualização: |
29/05/2018 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
CARDOSO, M. J; CARVALHO, H. W. L. de; PACHECO, C. A. P.; SANTOS, M. X. dos; LEAL, M. de L. da S. |
Afiliação: |
CLESO ANTONIO PATTO PACHECO, CNPMS. |
Título: |
Adaptabilidade e estabilidade de cultivares de milho no estado do Piauí no biênio 1993/94. |
Ano de publicação: |
1997 |
Fonte/Imprenta: |
Revista Científica Rural, Bagé, v. 2, n. 1, p. 35-44, 1997. |
Idioma: |
Português |
Conteúdo: |
During 1993-1994, twenty maize genotypes (a mixture of hybrids and varieties) were evaluated in six counties of Piaui state in the northeast of Brazil. The objective was to study their adaptability, stability and yield. A complete randomized block design with three replications was used in the trials. The genotypes showed significant differences in all localities. Joint statistical analysis showed significant differences due to genotypes, locations and genotype x location interactions. Yields ranged from 4.7 kg/ha to 7.2 kg/ha (an overall average of 6.1 kg/ha), with hybrids producing higher yields than varieties in general. Hybrids AG510, Pioneer 3210, Cargill 805 and AG106 had above-average yields, good adaptability and predictable behaviour in all locations. The best varieties were CMS39, BR106 and BR5011, all with good adaptability and high stability in all the six environments. |
Palavras-Chave: |
Adaptabilidade; Estabilidade; Genotype environment interaction; Interacao genotipo x ambiente. |
Thesagro: |
Milho; Variedade; Zea Mays. |
Thesaurus NAL: |
varieties. |
Categoria do assunto: |
G Melhoramento Genético X Pesquisa, Tecnologia e Engenharia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/66798/1/Adaptabilidade-estabilidade-1.pdf
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Marc: |
LEADER 01668naa a2200265 a 4500 001 1489133 005 2018-05-29 008 1997 bl uuuu u00u1 u #d 100 1 $aCARDOSO, M. J 245 $aAdaptabilidade e estabilidade de cultivares de milho no estado do Piauí no biênio 1993/94. 260 $c1997 520 $aDuring 1993-1994, twenty maize genotypes (a mixture of hybrids and varieties) were evaluated in six counties of Piaui state in the northeast of Brazil. The objective was to study their adaptability, stability and yield. A complete randomized block design with three replications was used in the trials. The genotypes showed significant differences in all localities. Joint statistical analysis showed significant differences due to genotypes, locations and genotype x location interactions. Yields ranged from 4.7 kg/ha to 7.2 kg/ha (an overall average of 6.1 kg/ha), with hybrids producing higher yields than varieties in general. Hybrids AG510, Pioneer 3210, Cargill 805 and AG106 had above-average yields, good adaptability and predictable behaviour in all locations. The best varieties were CMS39, BR106 and BR5011, all with good adaptability and high stability in all the six environments. 650 $avarieties 650 $aMilho 650 $aVariedade 650 $aZea Mays 653 $aAdaptabilidade 653 $aEstabilidade 653 $aGenotype environment interaction 653 $aInteracao genotipo x ambiente 700 1 $aCARVALHO, H. W. L. de 700 1 $aPACHECO, C. A. P. 700 1 $aSANTOS, M. X. dos 700 1 $aLEAL, M. de L. da S. 773 $tRevista Científica Rural, Bagé$gv. 2, n. 1, p. 35-44, 1997.
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Embrapa Milho e Sorgo (CNPMS) |
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