| |
|
|
 | Acesso ao texto completo restrito à biblioteca da Embrapa Agrobiologia. Para informações adicionais entre em contato com cnpab.biblioteca@embrapa.br. |
|
Registro Completo |
|
Biblioteca(s): |
Embrapa Agrobiologia. |
|
Data corrente: |
19/07/2019 |
|
Data da última atualização: |
11/09/2020 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Autoria: |
SANTOS, S. G. dos; RIBEIRO, F. da S.; ALVES, G. C.; SANTOS, L. A.; REIS, V. M. |
|
Afiliação: |
Silvana Gomes dos Santos, Universidade Federal Rural do Rio de Janeiro; Flaviane da Silva Ribeiro, Instituto Federal do Pará, Campus Bragança; Gabriela Cavalcanti Alves, UFRRJ; Leandro Azevedo Santos, UFRRJ; VERONICA MASSENA REIS, CNPAB. |
|
Título: |
Inoculation with five diazotrophs alters nitrogen metabolism during the initial growth of sugarcane varieties with contrasting responses to added nitrogen. |
|
Ano de publicação: |
2019 |
|
Fonte/Imprenta: |
Plant and Soil, First Online, 08 May, 2019 |
|
Idioma: |
Inglês |
|
Notas: |
Publicado na Plant and Soil, v. 451, 25-44, 2020. |
|
Conteúdo: |
We examined the influence of inoculation with five species/strains of diazotrophic bacteria on the modulation of two enzymes involved in the assimilation of N and on the soluble N fractions in the sugarcane varieties RB867515 (adapted for low fertility soils) and IACSP95-5000 (adapted for medium to high fertility soils) under high- (3 mM) and low (0.3 mM)-N conditions in hydroponic cultivation for 59 days.The sugarcane plants were produced in three steps to obtain the hydroponic cultivation: the supply of 3 mM N for 30 days (first harvest), N depletion for 72 h (second harvest), and cultivation in high- and low-N conditions over 26 days (final harvest). Inoculation was performed by immersion of the minisetts in a diluted solution of five diazotrophic bacteria. After the final harvest, plants were divided into roots and shoots to assess their dry weight and N, P, and K accumulation.The variety played an important role in the interaction with diazotrophs, each showing distinct behavior in the activity of their N-assimilation enzymes. The nitrate reductase activity (NRa?EC 1.7.1.1) was increased in var. RB867515 by 26% in the shoots and by 48% in the roots after 72 h under N depletion, while var. IACSP95-5000 showed a reduced enzymatic activity in the roots (by 62%) but not in the shoots. Under high-N conditions, the inoculated IACSP95-5000 plants showed 31% higher glutamine synthetase activity (GSa?EC 6.31.2) compared with 19% in RB867515. Under low-N conditions, the GSas were 21% and 16% higher in the inoculated RB867515 and IACSP95-5000 plants, respectively, compared with that of the control. The content of nitrogen in the form of nitrate (N-nitrate) confirmed these varietal differences, but the soluble sugar content did not. MenosWe examined the influence of inoculation with five species/strains of diazotrophic bacteria on the modulation of two enzymes involved in the assimilation of N and on the soluble N fractions in the sugarcane varieties RB867515 (adapted for low fertility soils) and IACSP95-5000 (adapted for medium to high fertility soils) under high- (3 mM) and low (0.3 mM)-N conditions in hydroponic cultivation for 59 days.The sugarcane plants were produced in three steps to obtain the hydroponic cultivation: the supply of 3 mM N for 30 days (first harvest), N depletion for 72 h (second harvest), and cultivation in high- and low-N conditions over 26 days (final harvest). Inoculation was performed by immersion of the minisetts in a diluted solution of five diazotrophic bacteria. After the final harvest, plants were divided into roots and shoots to assess their dry weight and N, P, and K accumulation.The variety played an important role in the interaction with diazotrophs, each showing distinct behavior in the activity of their N-assimilation enzymes. The nitrate reductase activity (NRa?EC 1.7.1.1) was increased in var. RB867515 by 26% in the shoots and by 48% in the roots after 72 h under N depletion, while var. IACSP95-5000 showed a reduced enzymatic activity in the roots (by 62%) but not in the shoots. Under high-N conditions, the inoculated IACSP95-5000 plants showed 31% higher glutamine synthetase activity (GSa?EC 6.31.2) compared with 19% in RB867515. Under low-N conditions, the GSas were... Mostrar Tudo |
|
Palavras-Chave: |
Diazotrophic bacteria; Enzymatic activity; Saccharum sp. |
|
Thesaurus Nal: |
Nitrogen. |
|
Categoria do assunto: |
S Ciências Biológicas |
|
Marc: |
LEADER 02517naa a2200229 a 4500
001 2110764
005 2020-09-11
008 2019 bl uuuu u00u1 u #d
100 1 $aSANTOS, S. G. dos
245 $aInoculation with five diazotrophs alters nitrogen metabolism during the initial growth of sugarcane varieties with contrasting responses to added nitrogen.$h[electronic resource]
260 $c2019
500 $aPublicado na Plant and Soil, v. 451, 25-44, 2020.
520 $aWe examined the influence of inoculation with five species/strains of diazotrophic bacteria on the modulation of two enzymes involved in the assimilation of N and on the soluble N fractions in the sugarcane varieties RB867515 (adapted for low fertility soils) and IACSP95-5000 (adapted for medium to high fertility soils) under high- (3 mM) and low (0.3 mM)-N conditions in hydroponic cultivation for 59 days.The sugarcane plants were produced in three steps to obtain the hydroponic cultivation: the supply of 3 mM N for 30 days (first harvest), N depletion for 72 h (second harvest), and cultivation in high- and low-N conditions over 26 days (final harvest). Inoculation was performed by immersion of the minisetts in a diluted solution of five diazotrophic bacteria. After the final harvest, plants were divided into roots and shoots to assess their dry weight and N, P, and K accumulation.The variety played an important role in the interaction with diazotrophs, each showing distinct behavior in the activity of their N-assimilation enzymes. The nitrate reductase activity (NRa?EC 1.7.1.1) was increased in var. RB867515 by 26% in the shoots and by 48% in the roots after 72 h under N depletion, while var. IACSP95-5000 showed a reduced enzymatic activity in the roots (by 62%) but not in the shoots. Under high-N conditions, the inoculated IACSP95-5000 plants showed 31% higher glutamine synthetase activity (GSa?EC 6.31.2) compared with 19% in RB867515. Under low-N conditions, the GSas were 21% and 16% higher in the inoculated RB867515 and IACSP95-5000 plants, respectively, compared with that of the control. The content of nitrogen in the form of nitrate (N-nitrate) confirmed these varietal differences, but the soluble sugar content did not.
650 $aNitrogen
653 $aDiazotrophic bacteria
653 $aEnzymatic activity
653 $aSaccharum sp
700 1 $aRIBEIRO, F. da S.
700 1 $aALVES, G. C.
700 1 $aSANTOS, L. A.
700 1 $aREIS, V. M.
773 $tPlant and Soil, First Online, 08 May, 2019
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Agrobiologia (CNPAB) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
|
| Registros recuperados : 7 | |
| 1. |  | CERVINI, M.; MACHADO, M. A.; VERNEQUE, R. S.; TEODORO, R. L.; CAMPOS, A. L.; REGITANO, L. C. A. Varredura dos cromossomos 24 e 29 em uma população F2 de bovinos (Gir x Holandês) no mapeamento de QTL para resistência a parasitas e características de crescimento. In: CONGRESSO BRASILEIRO DE GENÉTICA, 54., 2008, Salvador. Resumos... Ribeirão Preto: Sociedade Brasileira de Genética, 2008. 1 p. 1 CD.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Gado de Leite; Embrapa Pecuária Sudeste. |
|    |
| 2. | | VENERONI, G. B.; MEIRELLES. S. L.; OLIVEIRA, H. N.; ALENCAR, M. M. de; GASPARIN, G.; GOUVEIA, J. J. de S.; CERVINI, M.; REGITANO, L. C. de A. Association of CSSM066 and ILSTS011 microsatellite markers and thyroglobulin gene SNP with backfat in Canchim cattle. Scientia Agricola, v. 69, n. 1, p. 1-5, feb. 2012.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
| |
| 3. | | SIQUEIRA, F.; TORRES JUNIOR, R. A. de A.; REGITANO, L. C. de A.; SILVA, L. O. C. da; ALENCAR, M. M. de; GOUVEIA, J. J. de; CERVINI, M. Diversidade genética de bovinos de corte por meio de marcadores microssatélites. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 46., 2009, Maringá. Anais... Maringa: SBZ:UEM, 2009.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
| |
| 4. | | SIQUEIRA, F.; TORRES JUNIOR, R. A. de A.; REGITANO, L. C. de A.; SILVA, L. O. C. da; ALENCAR, M. M. de; GOUVEIA, J. J. de S.; CERVINI, M. Diversidade genética de bovinos de corte por meio de marcadores microssatélites. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 46., 2009, Maringá. Inovação científica e tecnológica em zootecnia: anais dos resumos. Maringá: SBZ: UEM, 2009. 3 p. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Gado de Corte. |
| |
| 5. | | REGITANO, L. C. de A.; TIZIOTO, P. C.; SIQUEIRA, F.; ROSA, A. do N.; SILVA, L. O. C. D.; JUNIOR, R. A. de A. T.; CERVINI, M.; VERONI, G. B.; IBELLI, A. M. G.; ALENCAR, M. M. de. Caracterização molecular de uma amostra de touros da raça Nelore. In: CONGRESSO BRASILEIRO DE GENÉTICA, 55., 2009, Águas de Lindóia. Anais... Águas de Lindóia: SBG, 2009. p. 210.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
| |
| 6. | | REGITANO, L. C. de A.; TIZIOTO, P. C.; SIQUEIRA, F.; ROSA, A. do N.; SILVA, L. O. C. da; TORRES JÚNIOR, R. A. de A.; CERVINI, M.; VERONI, G. B.; IBELLI, A. M. G.; ALENCAR, M. M. de. Caracterização molecular de uma amostra de touros da raça Nelore. In: CONGRESSO BRASILEIRO DE GENÉTICA, 55., 2009, Águas de Lindóia. Anais... Águas de Lindóia: SBG, 2009. p. 205| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Gado de Corte. |
| |
| 7. | | IBELLI, A. M. G.; RIBEIRO, A. R. B.; PIRES, M. de F. A.; VERNEQUE, R. da S.; PEIXOTO, M. G. C. D.; AZEVEDO, A. L. S.; MACHADO, M. A.; BELO, V. de A.; GASPARIN, G.; CERVINI, M.; COUTINHO, L. L.; REGITANO, L. C. de A. Mapeamento de QTLs de características fisiológicas relacionadas a estresse térmico em bovinos leiteiros cruzados. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 46., 2009, Maringá. Inovação científica e tecnológica em zootecnia: anais. Viçosa, MG: Sociedade Brasileira de Zootecnia, 2009. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Gado de Leite; Embrapa Pecuária Sudeste. |
| |
| Registros recuperados : 7 | |
|
| Nenhum registro encontrado para a expressão de busca informada. |
|
|
