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http://rima.ufrrj.br/jspui/handle/20.500.14407/26306Registro completo de metadados
| Campo DC | Valor | Idioma |
|---|---|---|
| dc.contributor.author | Volpon, Antonia Garcia Torres | - |
| dc.date.accessioned | 2026-09-03T13:57:49Z | - |
| dc.date.available | 2026-09-03T13:57:49Z | - |
| dc.date.issued | 1979-09 | - |
| dc.identifier.citation | VOLPON, Antonia Garcia Torres. Fisiologia do crescimento de Azospirillum lipoferum. 1979. 59 f. Dissertação (Mestrado em Agronomia, Ciência do Solo) - Instituto de Agronomia, Universidade Federal Rural do Rio de Janeiro, Seropédica, 1979. | pt_BR |
| dc.identifier.uri | http://rima.ufrrj.br/jspui/handle/20.500.14407/26306 | - |
| dc.description.abstract | O trabalho aborda a fixação biológica de nitrogênio (N₂) como uma alternativa ao uso excessivo de fertilizantes nitrogenados, destacando sua importância para a redução da poluição e da dependência de combustíveis fósseis. O estudo enfatiza a associação de bactérias diazotróficas, especialmente Azospirillum lipoferum, com raízes de gramíneas tropicais, que podem contribuir significativamente para o suprimento de nitrogênio das plantas. O objetivo principal foi avaliar aspectos fisiológicos da fixação de nitrogênio por A. lipoferum, considerando o uso de fontes de carbono, a atividade da hidrogenase, o consumo e a tolerância ao oxigênio durante diferentes fases de crescimento bacteriano. Os resultados pretendem contribuir para uma melhor compreensão da fisiologia dessa bactéria e de sua interação com cereais e gramíneas forrageiras, destacando o potencial da fixação associativa de nitrogênio para a produção vegetal. | pt_BR |
| dc.description.sponsorship | Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES | pt_BR |
| dc.language | por | pt_BR |
| dc.publisher | Universidade Federal Rural do Rio de Janeiro | pt_BR |
| dc.subject | Bactérias diazotróficas | pt_BR |
| dc.subject | Nitrogenase | pt_BR |
| dc.subject | Tolerância ao oxigênio | pt_BR |
| dc.subject | Diazotrophic bacteria | pt_BR |
| dc.subject | Oxygen tolerance | pt_BR |
| dc.title | Fisiologia do crescimento de Azospirillum lipoferum | pt_BR |
| dc.title.alternative | Physiology of the growth of Azospirillum lipoferum | en |
| dc.type | Dissertação | pt_BR |
| dc.description.abstractOther | The study addresses biological nitrogen fixation (N₂) as an alternative to the excessive use of nitrogen fertilizers, highlighting its importance in reducing pollution and dependence on fossil fuels. The study emphasizes the association of diazotrophic bacteria, particularly Azospirillum lipoferum, with the roots of tropical grasses, which can significantly contribute to the nitrogen supply of plants. The main objective was to evaluate physiological aspects of nitrogen fixation by A. lipoferum, considering carbon source utilization, hydrogenase activity, oxygen consumption, and oxygen tolerance during different stages of bacterial growth. The results aim to contribute to a better understanding of the physiology of this bacterium and its interaction with cereals and forage grasses, highlighting the potential of associative nitrogen fixation for crop production. | en |
| dc.contributor.advisor1 | Dobereiner, Johanna | - |
| dc.contributor.advisor1Lattes | http://lattes.cnpq.br/9138368383924203 | pt_BR |
| dc.contributor.referee1 | Dobereiner, Johanna | - |
| dc.contributor.referee1Lattes | http://lattes.cnpq.br/9138368383924203 | pt_BR |
| dc.contributor.referee2 | Drozdowicz, Adam | - |
| dc.contributor.referee3 | Neves, Maria Cristina Prata | - |
| dc.contributor.referee3Lattes | http://lattes.cnpq.br/3106076644053263 | pt_BR |
| dc.creator.Lattes | http://lattes.cnpq.br/2039856953300461 | pt_BR |
| dc.publisher.country | Brasil | pt_BR |
| dc.publisher.department | Instituto de Agronomia | pt_BR |
| dc.publisher.initials | UFRRJ | pt_BR |
| dc.publisher.program | Programa de Pós-Graduação em Agronomia - Ciência do Solo | pt_BR |
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In: Recent developments innitrogen fixation (Newton, W., Postgate, J.R. and Rodriguez-Barrueco, C., eds.) pp. 219-270, Acad. Press, London. 59. YATES, M.G.k & JONES,C.W. 1974. Respiration and nitrogen fixation in Azotobacter. Adv. Microbiol. Physiol., 11: 97-135. YATES, M.G. & WALKER, C.C. 1979. Hydrogenase activity and hydrogen evolution by nitrogenase in nitrogen-fixing Azotobacter chroo- coccum under different nutrient limitations. In: Proc. Steenbock-Kettering International Symposium on Nitrogen Fixa- tion. In Press. YOSHINARI, T. & KNOWLES, R. 1976. Acetylene inhibition of nitrous oxide reduction by denitrifying bacteria. Biochem. Biophys. Res. Comm. 69: 705-710. | pt_BR |
| dc.subject.cnpq | Agronomia | pt_BR |
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