Light-stimulated incorporation of L-leucine into the gibberellin of Gibberella fujikuroi |
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Authors: | MERTZ DAN |
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Institution: | Laboratory of Growth and Development, University of Missouri Columbia, Missouri 65201, U. S. A. |
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Abstract: | Cultures of Gibberella fujikuroi grown under continuous illuminationof 1800 lux incorporated over 60% more leucine into the gibberellinsthan dark controls. In the dark at a C/N ratio of 37.6 Ca++increased the incorporations of leucine into A3 to essentiallythe same level as the light-stimulated incorporation. The failureof Ca++ to increase gibberellin synthesis in the dark at a C/Nratio of 9.4 suggested that light and Ca++ were exerting theirregulatory roles at different sites. (Received October 15, 1969; ) |
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