Proteomic screen in the simple metazoan Hydra identifies 14-3-3 binding proteins implicated in cellular metabolism, cytoskeletal organisation and Ca2+ signalling
2007

Proteomic Study of 14-3-3 Proteins in Hydra

Sample size: 100000 publication 10 minutes Evidence: moderate

Author Information

Author(s): Pauly Barbara, Lasi Margherita, MacKintosh Carol, Morrice Nick, Imhof Axel, Regula Jörg, Rudd Stephen, David Charles N, Böttger Angelika

Primary Institution: Ludwig-Maximilians-University Munich, Germany

Hypothesis

The diversity of 14-3-3 target proteins is conserved across the animal kingdom.

Conclusion

14-3-3 proteins are important signaling components that have been present since the early evolution of metazoans.

Supporting Evidence

  • Hydra has four isoforms of 14-3-3 proteins.
  • 23 proteins were identified as 14-3-3 binding proteins.
  • One isoform interacts with a Bcl-2 family member.

Takeaway

Scientists studied a simple creature called Hydra to see how certain proteins help it grow and survive. They found that these proteins are really important for how Hydra responds to food.

Methodology

Proteins were isolated using a 14-3-3-affinity column and identified through mass spectrometry.

Limitations

The study only detected the most abundant target proteins, potentially missing less common ones.

Digital Object Identifier (DOI)

10.1186/1471-2121-8-31

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