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Analysis of the expression of anthocyanin pathway genes in developing Vitis vinifera L. cv Shiraz grape berries and the implications for pathway regulation

Boss, P.K. (Cooperative Research Center for Viticulture, Glen Osmond, Australia.) ; Davies, C ; Robinson, S.P

Plant physiology (Bethesda), 1996-08, Vol.111 (4), p.1059-1066 [Periódico revisado por pares]

Rockville, MD: American Society of Plant Physiologists

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Título:
Analysis of the expression of anthocyanin pathway genes in developing Vitis vinifera L. cv Shiraz grape berries and the implications for pathway regulation
Autor: Boss, P.K. (Cooperative Research Center for Viticulture, Glen Osmond, Australia.) ; Davies, C ; Robinson, S.P
Assuntos: ANTHOCYANE ; ANTOCIANINAS ; Berries ; Biochemical pathways ; Biological and medical sciences ; BIOSINTESIS ; BIOSYNTHESE ; Biosynthesis ; Chalconoids ; Corn ; ETAPAS DE DESARROLLO ; EXPRESION GENICA ; EXPRESSION DES GENES ; Flavonoids ; FLORACION ; FLORAISON ; FRUCTIFICACION ; FRUCTIFICATION ; FRUITS ; FRUTAS ; Fundamental and applied biological sciences. Psychology ; GENE ; Gene Regulation and Molecular Genetics ; GENES ; GENETICA ; GENETIQUE ; MADURAMIENTO ; Metabolism ; MURISSAGE ; Plant physiology and development ; Plants ; Ripening ; RNA ; STADE DE DEVELOPPEMENT ; Storage and secretion, pigments, phytochrome ; VIA BIOQUIMICA DEL METABOLISMO ; VITIS VINIFERA ; VOIE BIOCHIMIQUE DU METABOLISME
É parte de: Plant physiology (Bethesda), 1996-08, Vol.111 (4), p.1059-1066
Notas: F60
F30
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Descrição: Anthocyanin synthesis in Vitis vinifera L. cv Shiraz grape berries began 10 weeks postflowering and continued throughout berry ripening. Expression of seven genes of the anthocyanin biosynthetic pathway (phenylalanine ammonia lyase [PAL], chalcone synthase [CHS], chalcone isomerase [CHI], flavanone-3-hydroxylase [F3H], dihydroflavonol 4-reductase [DFR], leucoanthocyanidin dioxygenase [LDOX], and UDP glucose-flavonoid 3-o-glucosyl transferase [UFGT]) was determined. In flowers and grape berry skins, expression of all of the genes, except UFGT, was detected up to 4 weeks postflowering, followed by a reduction in this expression 6 to 8 weeks postflowering. Expression of CHS, CHI, F3H, DFR, LDOX, and UFGT then increased 10 weeks postflowering, coinciding with the onset of anthocyanin synthesis. In grape berry flesh, no PAL or UFGT expression was detected at any stage of development, but CHS, CHI, F3H, DFR, and LDOX were expressed up to 4 weeks postflowering. These results indicate that the onset of anthocyanin synthesis in ripening grape berry skins coincides with a coordinated increase in expression of a number of genes in the anthocyanin biosynthetic pathway, suggesting the involvement of regulatory genes. UFGT is regulated independently of the other genes, suggesting that in grapes the major control point in this pathway is later than that observed in maize, petunia, and snapdragon
Editor: Rockville, MD: American Society of Plant Physiologists
Idioma: Inglês

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Analysis of the expression of anthocyanin pathway genes in developing Vitis vinifera L. cv Shiraz grape berries and the implications for pathway regulation

Boss, P.K. (Cooperative Research Center for Viticulture, Glen Osmond, Australia.) ; Davies, C ; Robinson, S.P

Rockville, MD: American Society of Plant Physiologists

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