Nimmo, G. A., McNaughton, G. A.L., Fewson, C. A., Wilkins, M. B. and Nimmo, H. G. (1987) Changes in the kinetic properties and phosphorylation state of phosphoenolpyruvate carboxylase in Zea mays leaves in reponse to light and dark. FEBS Letters, 213(1), pp. 18-22. (doi: 10.1016/0014-5793(87)81457-6)
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Abstract
In plants such as Zea mays that carry out C4 metabolism, phosphoenolpyruvate carboxylase catalyses the primary fixation of atmospheric CO2. The properties of this enzyme from Z. mays leaves kept in light and in darkness are different. In brightly illuminated leaves, which are actively fixing CO2, the enzyme is less sensitive to feedback inhibition by malate and is phosphorylated on one or more serine residues. In darkened leaves, which are not photosynthesising, the enzyme is more sensitive to inhibition by malate and is much less phosphorylated. This indicates that the activity of the enzyme is controlled by a reversible phosphorylation.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Nimmo, Dr Gillian and Nimmo, Professor Hugh |
| Authors: | Nimmo, G. A., McNaughton, G. A.L., Fewson, C. A., Wilkins, M. B., and Nimmo, H. G. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Molecular Biosciences College of Medical Veterinary and Life Sciences > School of Life Sciences |
| Journal Name: | FEBS Letters |
| Publisher: | Elsevier Science Publishers |
| ISSN: | 0014-5793 |
| ISSN (Online): | 1873-3468 |
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