Rapid Changes in Protein Phosphorylation Associated with Light-Induced Gravity Perception In Corn Roots
- 1 February 1988
- journal article
- research article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 86 (2) , 332-334
- https://doi.org/10.1104/pp.86.2.332
Abstract
The effect of light and calcium depletion on in vivo protein phosphorylation was tested using dark-grown roots of Merit corn. Light caused rapid and specific promotion of phosphorylation of three polypeptides. Pretreatment of roots with ethylene glycol bis N,N,N'',N'' tetraacetic acid and A23187 prevented light-induced changes in protein phosphorylation. We postulate that these changes in protein phosphorylation are involved in the light-induced gravity response.Keywords
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