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| Registros recuperados : 52 | |
| 10. |  | PESSOA, A. C. S.; LUCHESE, E. B.; LUCHESE, A. V. Germinacao e desenvolvimento inicial de plantas de milho, em resposta ao tratamento de sementes com boro. Revista Brasileira de Ciencia do Solo, Vicosa, MG, v.24, n.4, p.939-945, out./dez. 2000.| Biblioteca(s): Embrapa Amapá. |
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| 12. | | PESSOA, A. C. W. F.; SÓSA-GOMEZ, D. R. Suscetibilidade de Rachiplusia nu resistente a proteína Cry1Ac a produtos comerciais a base de Bacillus thuringiensis. In: JORNADA ACADÊMICA DA EMBRAPA SOJA, 17., 2022, Londrina. Resumos expandidos... Londrina: Embrapa Soja, 2022. (Embrapa Soja. Documentos, 446). Regina Maria Villas Bôas de Campos Leite, Larissa Alexandra Cardoso Moraes, Kelly Catharin, Editoras Técnicas. p. 62-66.| Biblioteca(s): Embrapa Soja. |
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| 15. | | CHIMELO, J. P.; MAINIERI, C.; HAHUZ, M. A. R.; PESSOA, A. L. Madeiras do município de Aripuanã, Estado de Mato Grosso. I - Caracterização anatômica e aplicações. Acta Amazonica. Suplemento, Manaus, v. 6, n. 4, p. 95-106, 1976.| Biblioteca(s): Embrapa Florestas. |
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| 16. | | PESSOA, A. C. dos S.; KAMINSKI, J.; ANTONIOLLI, Z. I.; FAGUNDES, J. L. Efeito de fungos microrrizicos nativos rendimento de sorgo forrageiro adubado com termofosfato, superfosfato triplo e mistura de fosfatos. IN: CONGRESSO BRASILEIRO DE CIÊNÇIA DO SOLO, 25., 1995, Viçosa, MG. Resumos expandidos. Viçosa: UFV, 1995. v.1, p. 406-408.| Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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| 20. | | SOUZA, T. D. de; NICOLAU, N. M.; PESSOA, A. C. W. F.; SÓSA-GOMEZ, D. R. Mortalidade de Rachiplusia nu (Lepidoptera: Noctuidae) resistentes a Cry1Ac tratadas com o fungo Metarhizium rileyi em soja BT de primeira geração. In: CONGRESSO BRASILEIRO DE SOJA, 9., 2022, Foz do iguaçu, PR. Desafios para a produtividade sustentável no Mercosul: resumos. Brasília, DF: Embrapa, 2022. Regina Maria Villas Bôas de Campos Leite, Adeney de Freitas Bueno, editores técnicos. resumo 81. p. 99.| Biblioteca(s): Embrapa Soja. |
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| Registros recuperados : 52 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Café. |
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Data corrente: |
15/02/2011 |
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Data da última atualização: |
07/07/2011 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - A |
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Autoria: |
GEROMEL, C.; FERREIRA, L. P.; DAVRIEUX, F.; GUYOT, B.; RIBEYRE, F.; SCHOLZ, M. B. dos S.; PEREIRA, L. F. P.; VAAST, P.; POT, D.; LEROY, T.; ANDROCIOLI FILHO, A.; VIEIRA, L. G. E.; MAZZAFERA, P.; MARRACCINI, P. |
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Afiliação: |
CLARA GEROMEL, UNICAMP; LÚCIA PIRES FERREIRA, IAPAR; FABRICE DAVRIEUX, CIRAD-UMR; BERNARD GUYOT, CIRAD-UMR; FABIENNE RIBEYRE, CIRAD-UMR; MARIA BRÍGIDA DOS SANTOS SCHOLZ, IAPAR; LUIZ FILIPE PROTASIO PEREIRA, SAPC; PHILIPPE VAAST, CIRAD-UPR; DAVID POT, IAPAR/CIRAD-UMR; THIERRY LEROY, CIRAD-UMR; ARMANDO ANDROCIOLI FILHO, IAPAR; LUIZ GONZAGA ESTEVES VIEIRA, IAPAR; PAULO MAZZAFERA, UNICAMP; PIERRE MARRACCINI, IAPAR/CIRAD-UMF. |
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Título: |
Effects of shade on the development and sugar metabolism of coffee (Coffea arabica L.) fruits. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
PLANT PHYSIOLOGY AND BIOCHEMISTRY, v.46, n.5-6, p.569-579, may-june, 2008. |
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Páginas: |
569-579 |
|
Idioma: |
Inglês |
|
Conteúdo: |
Coffee fruits grown in shade are characterized by larger bean size than those grown under full-sun conditions. The present study assessed the effects of shade on bean characteristics and sugar metabolism by analyzing tissue development, sugar contents, activities of sucrose metabolizing enzymes and expression of sucrose synthase-encoding genes in fruits of coffee (Coffea arabica L.) plants submitted to full-sun (FS) and shade (SH) conditions. Evolution of tissue fresh weights measured in fruits collected regularly from flowering to maturation indicated that this increase is due to greater development of the perisperm tissue in the shade. The effects of light regime on sucrose and reducing sugar (glucose and fructose) contents were studied in fresh and dry coffee beans. Shade led to a significant reduction in sucrose content and to an increase in reducing sugars. In pericarp and perisperm tissues, higher activities of sucrose synthase (EC 2.4.1.13) and sucrose-phosphate synthase (SPS: EC 2.4.1.14) were detected at maturation in the shade compared with full sun. These two enzymes also had higher peaks of activities in developing endosperm under shade than in full sun. It was also noted that shade modified the expression of SUS-encoding genes in coffee beans; CaSUS2 gene transcripts levels were higher in SH than in FS. As no sucrose increase accompanied these changes, this suggests that sucrose metabolism was redirected to other metabolic pathways that need to be identified. |
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Palavras-Chave: |
Fruit development; Sugar metabolism. |
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Thesagro: |
Coffea Arábica. |
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Thesaurus NAL: |
Gene expression; Shade; Sucrose synthase. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/29378/1/Effects-of-shade.pdf
|
|
Marc: |
LEADER 02512naa a2200361 a 4500
001 1880536
005 2011-07-07
008 2008 bl uuuu u00u1 u #d
100 1 $aGEROMEL, C.
245 $aEffects of shade on the development and sugar metabolism of coffee (Coffea arabica L.) fruits.$h[electronic resource]
260 $c2008
300 $a569-579
520 $aCoffee fruits grown in shade are characterized by larger bean size than those grown under full-sun conditions. The present study assessed the effects of shade on bean characteristics and sugar metabolism by analyzing tissue development, sugar contents, activities of sucrose metabolizing enzymes and expression of sucrose synthase-encoding genes in fruits of coffee (Coffea arabica L.) plants submitted to full-sun (FS) and shade (SH) conditions. Evolution of tissue fresh weights measured in fruits collected regularly from flowering to maturation indicated that this increase is due to greater development of the perisperm tissue in the shade. The effects of light regime on sucrose and reducing sugar (glucose and fructose) contents were studied in fresh and dry coffee beans. Shade led to a significant reduction in sucrose content and to an increase in reducing sugars. In pericarp and perisperm tissues, higher activities of sucrose synthase (EC 2.4.1.13) and sucrose-phosphate synthase (SPS: EC 2.4.1.14) were detected at maturation in the shade compared with full sun. These two enzymes also had higher peaks of activities in developing endosperm under shade than in full sun. It was also noted that shade modified the expression of SUS-encoding genes in coffee beans; CaSUS2 gene transcripts levels were higher in SH than in FS. As no sucrose increase accompanied these changes, this suggests that sucrose metabolism was redirected to other metabolic pathways that need to be identified.
650 $aGene expression
650 $aShade
650 $aSucrose synthase
650 $aCoffea Arábica
653 $aFruit development
653 $aSugar metabolism
700 1 $aFERREIRA, L. P.
700 1 $aDAVRIEUX, F.
700 1 $aGUYOT, B.
700 1 $aRIBEYRE, F.
700 1 $aSCHOLZ, M. B. dos S.
700 1 $aPEREIRA, L. F. P.
700 1 $aVAAST, P.
700 1 $aPOT, D.
700 1 $aLEROY, T.
700 1 $aANDROCIOLI FILHO, A.
700 1 $aVIEIRA, L. G. E.
700 1 $aMAZZAFERA, P.
700 1 $aMARRACCINI, P.
773 $tPLANT PHYSIOLOGY AND BIOCHEMISTRY$gv.46, n.5-6, p.569-579, may-june, 2008.
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Embrapa Café (CNPCa) |
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