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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: |
27/04/1995 |
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Data da última atualização: |
17/05/2023 |
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Autoria: |
JOSEPH, C. V.; NIEDZ, R. P.; YELENOSKY, G. |
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Afiliação: |
United States Departament of Agriculture, Agricultural Research Service, Horticultural Research; Laboratory, 22120 Camden Road, Orlando; Agronomy Physioly Laboratory. |
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Título: |
Glycerol stimulation of chlorophyll synthesis, embryogenesis, and carboxylation and sucrose metabolism enzymes in nucellar callus of 'Hamlin' sweet orange. |
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Ano de publicação: |
1993 |
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Fonte/Imprenta: |
Plant Cell, Tissue and Organ Culture, v. 33, p. 75-80, 1993. |
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Idioma: |
Inglês |
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Conteúdo: |
Phosphoenolpyruvate carboxylase (PEPCase) and sucrose phosphat synthase (SPS) were active in nucellar calli of 'Hamilin' sweet orange, Citrus sinensis (L.) Osbeck, grown on media containning either 5% sucrose or 2% glycerol as the primary carbon source. Activities of the enzymes,however, were much higher in the glycerol-grown tissues than those grown in sucrose. Glycerol, in addition, stimulated embryogenesis and chlorophyll biosynthesis and initiated the onset of ribulose bisphosphatecarboxylase-oxygenase (Rubisco) activity. These stimulatory effects, which were not observed in sucrose-grown calli, became more obvious when calli grown on glycerol-containing, agar-solidified medium were transferred and grown in liquid suspension containing 2% glycerol. Starchlevels in both sucrose and glycerol-grown tissues were as high as 30% of tissue dry weight. There were, however, higher concentrations of soluble sugars in sucrose-grown calli than those grown on glycerol. Stimulation of embryogenesis, chlorophyll synthesis, Rubisco onset, and activities of PEPCase and SPS by glycerol offered potential prospects in using this compound in citrus tissue cultures. |
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Palavras-Chave: |
Carbon metebolism; Citrus tissue culture. |
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Thesaurus Nal: |
glycerol. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01784naa a2200181 a 4500
001 1646450
005 2023-05-17
008 1993 bl uuuu u00u1 u #d
100 1 $aJOSEPH, C. V.
245 $aGlycerol stimulation of chlorophyll synthesis, embryogenesis, and carboxylation and sucrose metabolism enzymes in nucellar callus of 'Hamlin' sweet orange.$h[electronic resource]
260 $c1993
520 $aPhosphoenolpyruvate carboxylase (PEPCase) and sucrose phosphat synthase (SPS) were active in nucellar calli of 'Hamilin' sweet orange, Citrus sinensis (L.) Osbeck, grown on media containning either 5% sucrose or 2% glycerol as the primary carbon source. Activities of the enzymes,however, were much higher in the glycerol-grown tissues than those grown in sucrose. Glycerol, in addition, stimulated embryogenesis and chlorophyll biosynthesis and initiated the onset of ribulose bisphosphatecarboxylase-oxygenase (Rubisco) activity. These stimulatory effects, which were not observed in sucrose-grown calli, became more obvious when calli grown on glycerol-containing, agar-solidified medium were transferred and grown in liquid suspension containing 2% glycerol. Starchlevels in both sucrose and glycerol-grown tissues were as high as 30% of tissue dry weight. There were, however, higher concentrations of soluble sugars in sucrose-grown calli than those grown on glycerol. Stimulation of embryogenesis, chlorophyll synthesis, Rubisco onset, and activities of PEPCase and SPS by glycerol offered potential prospects in using this compound in citrus tissue cultures.
650 $aglycerol
653 $aCarbon metebolism
653 $aCitrus tissue culture
700 1 $aNIEDZ, R. P.
700 1 $aYELENOSKY, G.
773 $tPlant Cell, Tissue and Organ Culture$gv. 33, p. 75-80, 1993.
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| 1. |  | BENTEO, G. de L.; VERZIGNASSI, J. R.; FERNANDES, C. D.; VALLE, C. B. do; MACEDO, M. C. M.; LIBÓRIO, C. B. de; MOTEIRO, L. C. Productivity and quality of Brachiaria brizantha B4 seeds in function of nitrogen doses. Ciência Rural, Santa Maria, v. 46, n. 9, p. 1566-1571, set. 2016 Título em português: Produtividade e qualidade de sementes de Brachiaria brizantha B4 em função de doses de nitrogênio.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
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