|
|
Registro Completo |
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
22/09/1992 |
Data da última atualização: |
22/09/1992 |
Autoria: |
KOHL, D. H.; LIN, J. J.; SHEARER, G.; SCHUBERT, K. R. |
Afiliação: |
Biology Department, Washington University, St. Louis, Missouri 63130. |
Título: |
Activities of the pentose phosphate pathway and enzymes of proline metabolism in legume root nodules. |
Ano de publicação: |
1990 |
Fonte/Imprenta: |
Plant Physiology, v.94, p.1258-1264, 1990. |
Idioma: |
Inglês |
Conteúdo: |
Based on localization and high activities of pyrroline-5-carboxyiate reductase and proline dehydrogenase activities in soybean nodules, we previously suggested two major roles for pyrroline-5-carboxylate reductase in addition to the production of the considerable quantity of proline needed for biosynthesis: namely, transfer of energy to the location of biological N2 fixation, and production of NADP+ to drive the pentose phosphate pathway. The latter produces ribose-5-phosphate which can be used in de novo purine synthesis required for synthesis of ureides, the majos form in which biologically fixed N2 is transported from soybean root nodules to the plant shoot. In this paper, we report rapid induction (in soybean nodules) and exceptionally high activities (in nodules of eight species of N2-fixing plants) of pentose phosphate pathway and pyrroline-5-carboxylate reuctase. There was a marded increase in proline dehydrogenase activity during soybean (Glycine max) ontogeny. The magnitude of proline dehydrogenase activity in bacteroids of soybean nodles was sufficiently high during most of the time course to supply a significant fraction of the energy requirement for N2 fixation. Proline dehydrogenase activity in bacteroids from nodules of other species was also high. These observations support the above hypothesis. How-ever, comparison of pentose phosphate patway and pyrroline-5-carboxylate reductase activities of ureide versus amide-exporting nodules offers no support. The hypothesis predicts that pyrroline-5-..... MenosBased on localization and high activities of pyrroline-5-carboxyiate reductase and proline dehydrogenase activities in soybean nodules, we previously suggested two major roles for pyrroline-5-carboxylate reductase in addition to the production of the considerable quantity of proline needed for biosynthesis: namely, transfer of energy to the location of biological N2 fixation, and production of NADP+ to drive the pentose phosphate pathway. The latter produces ribose-5-phosphate which can be used in de novo purine synthesis required for synthesis of ureides, the majos form in which biologically fixed N2 is transported from soybean root nodules to the plant shoot. In this paper, we report rapid induction (in soybean nodules) and exceptionally high activities (in nodules of eight species of N2-fixing plants) of pentose phosphate pathway and pyrroline-5-carboxylate reuctase. There was a marded increase in proline dehydrogenase activity during soybean (Glycine max) ontogeny. The magnitude of proline dehydrogenase activity in bacteroids of soybean nodles was sufficiently high during most of the time course to supply a significant fraction of the energy requirement for N2 fixation. Proline dehydrogenase activity in bacteroids from nodules of other species was also high. These observations support the above hypothesis. How-ever, comparison of pentose phosphate patway and pyrroline-5-carboxylate reductase activities of ureide versus amide-exporting nodules offers no support. The hypot... Mostrar Tudo |
Palavras-Chave: |
C; Fixacao; Fixation; N; N2; Soybean. |
Thesagro: |
Bradyrhizobium Japonicum; Glycine Max; Metabolismo; Prolina; Soja. |
Thesaurus Nal: |
metabolism; proline. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02309naa a2200313 a 4500 001 1457856 005 1992-09-22 008 1990 bl --- 0-- u #d 100 1 $aKOHL, D. H. 245 $aActivities of the pentose phosphate pathway and enzymes of proline metabolism in legume root nodules. 260 $c1990 520 $aBased on localization and high activities of pyrroline-5-carboxyiate reductase and proline dehydrogenase activities in soybean nodules, we previously suggested two major roles for pyrroline-5-carboxylate reductase in addition to the production of the considerable quantity of proline needed for biosynthesis: namely, transfer of energy to the location of biological N2 fixation, and production of NADP+ to drive the pentose phosphate pathway. The latter produces ribose-5-phosphate which can be used in de novo purine synthesis required for synthesis of ureides, the majos form in which biologically fixed N2 is transported from soybean root nodules to the plant shoot. In this paper, we report rapid induction (in soybean nodules) and exceptionally high activities (in nodules of eight species of N2-fixing plants) of pentose phosphate pathway and pyrroline-5-carboxylate reuctase. There was a marded increase in proline dehydrogenase activity during soybean (Glycine max) ontogeny. The magnitude of proline dehydrogenase activity in bacteroids of soybean nodles was sufficiently high during most of the time course to supply a significant fraction of the energy requirement for N2 fixation. Proline dehydrogenase activity in bacteroids from nodules of other species was also high. These observations support the above hypothesis. How-ever, comparison of pentose phosphate patway and pyrroline-5-carboxylate reductase activities of ureide versus amide-exporting nodules offers no support. The hypothesis predicts that pyrroline-5-..... 650 $ametabolism 650 $aproline 650 $aBradyrhizobium Japonicum 650 $aGlycine Max 650 $aMetabolismo 650 $aProlina 650 $aSoja 653 $aC 653 $aFixacao 653 $aFixation 653 $aN 653 $aN2 653 $aSoybean 700 1 $aLIN, J. J. 700 1 $aSHEARER, G. 700 1 $aSCHUBERT, K. R. 773 $tPlant Physiology$gv.94, p.1258-1264, 1990.
Download
Esconder MarcMostrar Marc Completo |
Registro original: |
Embrapa Soja (CNPSO) |
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
Registro Completo
Biblioteca(s): |
Embrapa Trigo. |
Data corrente: |
27/01/2019 |
Data da última atualização: |
27/01/2019 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
ESTEVES, T. C. F.; DELIZA, R.; WALTER, E. H. M.; CARRÃO-PANIZZI, M. C.; CALADO, V. M. de A.; FELBERG, I. |
Afiliação: |
Thiana Claudia Freire Esteves, UFRJ; ROSIRES DELIZA, CTAA; EDUARDO HENRIQUE MIRANDA WALTER, CTAA; MERCEDES CONCORDIA CARRAO PANIZZI, CNPT; Verônica Maria de Araújo Calado, UFRJ; ILANA FELBERG, CTAA. |
Título: |
Inovando no processamento de soja preta: efeitos na avaliação das bebidas pelo consumidor. |
Ano de publicação: |
2018 |
Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE CIÊNCIA E TECNOLOGIA DE ALIMENTOS, 26., 2018, Belém, PA. O Uso consciente da biodiversidade: perspectivas para o avanço da ciência e tecnologia de alimentos: anais. Belém: SBCTA, 2018. |
Páginas: |
7 p. |
Idioma: |
Português |
Palavras-Chave: |
Soja preta. |
Thesagro: |
Soja; Tecnologia de Alimento. |
Categoria do assunto: |
Q Alimentos e Nutrição Humana |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/188332/1/Esteves-et-al-CBCTA-2018-completo.pdf
|
Marc: |
LEADER 00814naa a2200217 a 4500 001 2104841 005 2019-01-27 008 2018 bl --- 0-- u #d 100 1 $aESTEVES, T. C. F. 245 $aInovando no processamento de soja preta$befeitos na avaliação das bebidas pelo consumidor.$h[electronic resource] 260 $c2018 300 $a7 p. 650 $aSoja 650 $aTecnologia de Alimento 653 $aSoja preta 700 1 $aDELIZA, R. 700 1 $aWALTER, E. H. M. 700 1 $aCARRÃO-PANIZZI, M. C. 700 1 $aCALADO, V. M. de A. 700 1 $aFELBERG, I. 773 $tIn: CONGRESSO BRASILEIRO DE CIÊNCIA E TECNOLOGIA DE ALIMENTOS, 26., 2018, Belém, PA. O Uso consciente da biodiversidade: perspectivas para o avanço da ciência e tecnologia de alimentos: anais. Belém: SBCTA, 2018.
Download
Esconder MarcMostrar Marc Completo |
Registro original: |
Embrapa Trigo (CNPT) |
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
Nenhum registro encontrado para a expressão de busca informada. |
|
|