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Registro Completo |
Biblioteca(s): |
Embrapa Uva e Vinho. |
Data corrente: |
25/01/2008 |
Data da última atualização: |
11/06/2010 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
ZANUS, M. C.; ZORZAN, C.; POLI, J.; GUERRA, C. C. |
Afiliação: |
MAURO CELSO ZANUS, CNPUV; Cristiano Zorzan, CNPUV (bolsista); Jandora Poli, CNPUV (bolsista); CELITO CRIVELLARO GUERRA, CNPUV. |
Título: |
Total phenolic content in base wine for sparkling - is there an optimal point? |
Ano de publicação: |
2007 |
Fonte/Imprenta: |
In: CONGRESO LATINOAMERICANO DE VITICULTURA Y ENOLOGIA, 11., 2007, Mendoza. Seduciendo al consumidor de hoy: anales. [Mendoza: INV: CLEIFRA], 2007. |
Descrição Física: |
1 CD-ROM. |
Idioma: |
Inglês |
Notas: |
Resumo. |
Palavras-Chave: |
Espumante; Vinho base. |
Thesagro: |
Composto Fenólico; Enologia. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00676naa a2200217 a 4500 001 1542435 005 2010-06-11 008 2007 bl uuuu u00u1 u #d 100 1 $aZANUS, M. C. 245 $aTotal phenolic content in base wine for sparkling - is there an optimal point? 260 $c2007 300 $c1 CD-ROM. 500 $aResumo. 650 $aComposto Fenólico 650 $aEnologia 653 $aEspumante 653 $aVinho base 700 1 $aZORZAN, C. 700 1 $aPOLI, J. 700 1 $aGUERRA, C. C. 773 $tIn: CONGRESO LATINOAMERICANO DE VITICULTURA Y ENOLOGIA, 11., 2007, Mendoza. Seduciendo al consumidor de hoy: anales. [Mendoza: INV: CLEIFRA], 2007.
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Embrapa Uva e Vinho (CNPUV) |
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![](/consulta/web/img/deny.png) | Acesso ao texto completo restrito à biblioteca da Embrapa Solos. Para informações adicionais entre em contato com cnps.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Solos. |
Data corrente: |
08/10/2021 |
Data da última atualização: |
08/10/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
SCOTT, D. B.; SCOTT, C. A.; DOBEREINER, J. |
Afiliação: |
DAVID B. SCOTT, UNIVERSITY OF CALIFORNIA; CHRISTIANE A. SCOTT, UNIVERSITY OF CALIFORNIA; JOHANNA DOBEREINER, SNLCS. |
Título: |
Nitrogenase activity and nitrate respiration in Azospirillum spp. |
Ano de publicação: |
1979 |
Fonte/Imprenta: |
Archives of Microbiology, v. 121, n. 2, p. 141-145, 1979. |
DOI: |
https://doi.org/10.1007/BF00689978 |
Idioma: |
Inglês |
Conteúdo: |
The interaction between nitrate respiration and nitrogen fixation inAzospirillum lipoferum andA. brasilense was studied. All strains examined were capable of nitrogen fixation (acetylene reduction) under conditions of severe oxygen limitation in the presence of nitrate. A lag phase of about 1 h was observed for both nitrate reduction and nitrogenase activity corresponding to the period of induction of the dissimilatory nitrate reductase. Nitrogenase activity ceased when nitrate was exhausted suggesting that the reduction of nitrate to nitrite, rather than denitrification (the further reduction of nitrite to gas) is coupled to nitrogen fixation. The addition of nitrate to nitrate reductase negative mutants (nr-) ofAzospirillum did not stimulate nitrogenase activity. Under oxygen-limited conditionsA. brasilense andA. lipoferum were also shown to reduce nitrate to ammonia, which accumulated in the medium. Both species, including strains ofA. brasilense which do not possess a dissimilatory nitrite reductase (nir-) were also capable of reducing nitrous oxide to N2. |
Thesagro: |
Fisiologia; Microrganismo. |
Thesaurus NAL: |
Azospirillum. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
Marc: |
LEADER 01646naa a2200193 a 4500 001 2135195 005 2021-10-08 008 1979 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1007/BF00689978$2DOI 100 1 $aSCOTT, D. B. 245 $aNitrogenase activity and nitrate respiration in Azospirillum spp.$h[electronic resource] 260 $c1979 520 $aThe interaction between nitrate respiration and nitrogen fixation inAzospirillum lipoferum andA. brasilense was studied. All strains examined were capable of nitrogen fixation (acetylene reduction) under conditions of severe oxygen limitation in the presence of nitrate. A lag phase of about 1 h was observed for both nitrate reduction and nitrogenase activity corresponding to the period of induction of the dissimilatory nitrate reductase. Nitrogenase activity ceased when nitrate was exhausted suggesting that the reduction of nitrate to nitrite, rather than denitrification (the further reduction of nitrite to gas) is coupled to nitrogen fixation. The addition of nitrate to nitrate reductase negative mutants (nr-) ofAzospirillum did not stimulate nitrogenase activity. Under oxygen-limited conditionsA. brasilense andA. lipoferum were also shown to reduce nitrate to ammonia, which accumulated in the medium. Both species, including strains ofA. brasilense which do not possess a dissimilatory nitrite reductase (nir-) were also capable of reducing nitrous oxide to N2. 650 $aAzospirillum 650 $aFisiologia 650 $aMicrorganismo 700 1 $aSCOTT, C. A. 700 1 $aDOBEREINER, J. 773 $tArchives of Microbiology$gv. 121, n. 2, p. 141-145, 1979.
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