The effect of kinetin in relation to photocontrol of anthocyani biosynthesis in Brassica oleracea |
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| Authors: | Robert C Pecket Tahani A Hathout Bassim |
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| Institution: | Botany Department, University of Manchester, M13 9PL, Lancashire, England |
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| Abstract: | Kinetin stimulates the synthesis of anthocyanin in dark-grown seedlings of red-cabbage. When applied for only 15 min its effect resembles that of 5 min R light and can be nullified by a subsequent exposure to 5 min FR. However, kinetin fails to stimulate PAL activity in the dark-grown seedlings. It is suggested that the effect of kinetin, like that of R light, may be to increase membrane permeability, allowing a pool of endogenous substrate to reach the site of anthocyanin biosynthesis. |
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| Keywords: | Cruciferae red-cabbage anthocyanin photocontrol kinetin membrane permeability phenylalanine ammonia-lyase |
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