Calcium-induced membrane microdomains trigger plant phospholipase D activity.

@article{Kuppe2008CalciuminducedMM,
  title={Calcium-induced membrane microdomains trigger plant phospholipase D activity.},
  author={Konstantin Kuppe and Andreas Kerth and Alfred Blume and R Ulbrich-hofmann},
  journal={Chembiochem : a European journal of chemical biology},
  year={2008},
  volume={9 17},
  pages={
          2853-9
        }
}
Plant alpha-type phospholipase D proteins are calcium-dependent, lipolytic enzymes. The morphology of the aggregates of their phospholipid substrate fundamentally defines the interaction between the enzyme and the surface. Here we demonstrate that the Ca(2+)-induced generation of membrane microdomains dramatically activates alpha-type phospholipase D from white cabbage. 500-fold stimulation was observed upon incorporation of 10 mol % 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphate (POPA) into 1… CONTINUE READING

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