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Evolutionary conservation of the 14-3-3 protein
G J Martens1, P A Piosik, E H Danen
1Department of Animal Physiology, University of Nijmegen, Toernooiveld, The Netherlands.
Biochemical and Biophysical Research Communications
|May 15, 1992
Summary
Researchers identified a novel 14-3-3 protein in Xenopus, crucial for neuronal activity regulation. This protein is highly conserved across eukaryotic species, highlighting its evolutionary importance in neuronal function.
Area of Science:
- Neuroscience
- Molecular Biology
- Cell Biology
Background:
- The 14-3-3 protein family plays a role in regulating neuronal activity.
- Proopiomelanocortin is a key prohormone found in melanotrope cells.
Purpose of the Study:
- To identify and characterize novel 14-3-3 proteins in Xenopus.
- To investigate the conservation of 14-3-3 proteins in neuronal regulation.
Main Methods:
- Cloning and sequencing of pituitary cDNA from Xenopus.
- Sequence alignment of Xenopus 14-3-3 protein with known eukaryotic proteins.
Main Results:
- A novel pituitary cDNA encoding a Xenopus 14-3-3 protein was successfully cloned and sequenced.
- The Xenopus 14-3-3 protein showed high conservation (60-88%) with mammalian, Drosophila, and plant 14-3-3 proteins.
Conclusions:
- The identified Xenopus 14-3-3 protein is highly conserved, suggesting a fundamental role in eukaryotic neuronal function.
- This protein may be involved in the regulation of neuronal activity, particularly in coordination with proopiomelanocortin.