Raghothama, K. G. ; Veluthambi, K. ; Poovaiah, B. W. (1985) Stage-specific changes in calcium-regulated protein phosphorylation in developing tomato fruits Plant Cell Physiology, 26 (8). pp. 1565-1572. ISSN 0032-0781
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Official URL: http://pcp.oxfordjournals.org/content/26/8/1565.sh...
Abstract
The role of calcium and calmodulin in the in vitro phosphorylation of soluble and membrane proteins was studied in relation to growth and development of tomato fruits. Calcium at micromolar concentrations promoted the phosphorylation of both soluble and membrane proteins. The calmodulin antagonists, chlorpromazine and trifluoperazine, inhibited the phosphorylation of several proteins. Qualitative changes were observed in the pattern of protein phosphorylation at different developmental stages. There was a general decrease in protein phosphorylation towards ripening. These results indicated that calcium may be involved in the regulation of phosphorylation of different proteins at different stages of fruit development.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Oxford University Press. |
| Keywords: | Calcium; Fruit Development; Lycopersicon esculentum; Protein Phosphorylation |
| ID Code: | 57253 |
| Deposited On: | 26 Aug 2011 03:39 |
| Last Modified: | 26 Aug 2011 03:39 |
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