Metabolism of [3H]Gibberellin A20 in Light- and Dark-grown Tobacco Callus Cultures
Authors:
- Richard C. DurleyRDRichard C. Durley
- David M. ReidDRDavid M. Reid
- Trevor A. ThorpeTTTrevor A. Thorpe
- Richard P. PharisRPRichard P. Pharis
- 1 September 1976
- journal article
- research article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 58 (3) , 387-392
Abstract
The growth of tobacco callus in culture (previously shown to contain GA-like substances), and its ability to metabolize [3H]-GA20 were examined. Growth rates, in the presence and absence of exogenously applied GA, were examined in light and dark conditions. Dark-grown callus grew at a much faster rate than light-grown and [3H]GA20 was metabolized much more rapidly in darkness than in light. [3H]GA1 was identified by combined GLC/mass spectrometry as a major product of [3H]GA20, and was a more potent promoter of tobacco callus growth than GA20.Keywords
This publication has 2 references indexed in Scilit:
- Metabolism of Tritiated Gibberellins in d-5 Dwarf MaizePlant Physiology, 1975
- Metabolism of 3H-Gibberellin A1 and 3H-Gibberellin A4 by Phaseolus coccineus SeedlingsPlant Physiology, 1975