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PMID:17897809
| Citation |
Catalano, A and O'Day, DH (2008) Calmodulin-binding proteins in the model organism Dictyostelium: a complete & critical review. Cell. Signal. 20:277-91 |
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| Abstract |
Calmodulin is an essential protein in the model organism Dictyostelium discoideum. As in other organisms, this small, calcium-regulated protein mediates a diversity of cellular events including chemotaxis, spore germination, and fertilization. Calmodulin works in a calcium-dependent or -independent manner by binding to and regulating the activity of target proteins called calmodulin-binding proteins. Profiling suggests that Dictyostelium has 60 or more calmodulin-binding proteins with specific subcellular localizations. In spite of the central importance of calmodulin, the study of these target proteins is still in its infancy. Here we critically review the history and state of the art of research into all of the identified and presumptive calmodulin-binding proteins of Dictyostelium detailing what is known about each one with suggestions for future research. Two individual calmodulin-binding proteins, the classic enzyme calcineurin A (CNA; protein phosphatase 2B) and the nuclear protein nucleomorphin (NumA), which is a regulator of nuclear number, have been particularly well studied. Research on the role of calmodulin in the function and regulation of the various myosins of Dictyostelium, especially during motility and chemotaxis, suggests that this is an area in which future active study would be particularly valuable. A general, hypothetical model for the role of calmodulin in myosin regulation is proposed. |
| Links |
PubMed Online version:10.1016/j.cellsig.2007.08.017 |
| Keywords |
Amino Acid Sequence; Animals; Calmodulin-Binding Proteins/chemistry; Calmodulin-Binding Proteins/metabolism; Dictyostelium/metabolism; Models, Animal; Molecular Sequence Data; Phosphorylation |
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Significance
Annotations
| Gene product | Qualifier | GO ID | GO term name | Evidence Code | with/from | Aspect | Notes | Status |
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See also
References
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