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 | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
09/12/1999 |
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Data da última atualização: |
17/04/2023 |
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Autoria: |
LUIS, A. G.; DIDEHVAR, F.; GUARDIOLA, J. L.; BAKER, D. A. |
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Afiliação: |
Catedra da Fisiologia Vegetal, Universidad Politecnica, Camino de Vera s/n, 46071 Valencia, Spain and Department of Biochemistry and Biological Sciences, Wye College University of London). |
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Título: |
The Transport of sugars in developing fruits of satsuma mandarin. |
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Ano de publicação: |
1991 |
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Fonte/Imprenta: |
Annals of Botany Company, n.68, p.349-357, 1991. |
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Idioma: |
Inglês |
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Conteúdo: |
Tranport of sugars to the juice sacs of developing satsuma mandarin (Citrus unshui Marc) has been studied in attached fruits and in isolated fruit pieces. 14C2 fed to the leaves resulted in [14C]sugar accumulation in the juice sacs, mainly as [14C]sucrose. Uptake of sucrose and glucose by the excised fruit pieces proceeded linearlv with time. Sucrose uptake was linearly related to sucrose concentration over the range 25-300 mM, with no indication of saturation. This uptake was insensitive to pH (5,7 or 9). Ca2+ (3 mM), PCMBS (2.5 mM), DNP (1 mM) or vanadate (0.1 mM) but was slightly reduced by eryhrosin (21% by 0.1 mM; 27%by 1 mM). No competitive effect of glucose (up to 100 mM) was detectable on sucrose uptake from 100 mM solution. |
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Palavras-Chave: |
Juice sacs; Satsuma mandarin; Sugar; Transport. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01299naa a2200205 a 4500
001 1648458
005 2023-04-17
008 1991 bl uuuu u00u1 u #d
100 1 $aLUIS, A. G.
245 $aThe Transport of sugars in developing fruits of satsuma mandarin.$h[electronic resource]
260 $c1991
520 $aTranport of sugars to the juice sacs of developing satsuma mandarin (Citrus unshui Marc) has been studied in attached fruits and in isolated fruit pieces. 14C2 fed to the leaves resulted in [14C]sugar accumulation in the juice sacs, mainly as [14C]sucrose. Uptake of sucrose and glucose by the excised fruit pieces proceeded linearlv with time. Sucrose uptake was linearly related to sucrose concentration over the range 25-300 mM, with no indication of saturation. This uptake was insensitive to pH (5,7 or 9). Ca2+ (3 mM), PCMBS (2.5 mM), DNP (1 mM) or vanadate (0.1 mM) but was slightly reduced by eryhrosin (21% by 0.1 mM; 27%by 1 mM). No competitive effect of glucose (up to 100 mM) was detectable on sucrose uptake from 100 mM solution.
653 $aJuice sacs
653 $aSatsuma mandarin
653 $aSugar
653 $aTransport
700 1 $aDIDEHVAR, F.
700 1 $aGUARDIOLA, J. L.
700 1 $aBAKER, D. A.
773 $tAnnals of Botany Company$gn.68, p.349-357, 1991.
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Registro original: |
Embrapa Mandioca e Fruticultura (CNPMF) |
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