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Elevation of the provitamin A content of transgenic tomato plants

Tipo de material: TextoTextoSeries ; Nature Biotechnology, 18(6), p.666-669, 2000Trabajos contenidos:
  • Römer, S
  • Fraser, P.D
  • Kiano, J.W
  • Shipton, C.A
  • Misawa, N
  • Schuch, W
  • Bramley, P.M
Tema(s): Recursos en línea: Resumen: Tomato products are the principal dietary sources of lycopene and major source of b-carotene, both of which have been shown to benefit human health. To enhance the carotenoid content and profile of tomato fruit, we have produced transgenic lines containing a bacterial carotenoid gene (crtI)encoding the enzyme phytoene desaturase, which converts phytoene into lycopene. Expression of this gene in transgenic tomatoes did not elevate total carotenoid levels. However, the b-carotene content increased about threefold, up to 45
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Tomato products are the principal dietary sources of lycopene and major source of b-carotene, both of which have been shown to benefit human health. To enhance the carotenoid content and profile of tomato fruit, we have produced transgenic lines containing a bacterial carotenoid gene (crtI)encoding the enzyme phytoene desaturase, which converts phytoene into lycopene. Expression of this gene in transgenic tomatoes did not elevate total carotenoid levels. However, the b-carotene content increased about threefold, up to 45

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