Biochemical properties of pancreatic colipase from the common stingray Dasyatis pastinaca
2011

Study of Pancreatic Colipase from Common Stingray

publication Evidence: moderate

Author Information

Author(s): Ben Bacha Abir, Karray Aida, Daoud Lobna, Bouchaala Emna, Bou Ali Madiha, Gargouri Youssef, Ben Ali Yassine

Primary Institution: University of Sfax

Hypothesis

The study aims to characterize the biochemical properties of pancreatic colipase from the common stingray Dasyatis pastinaca.

Conclusion

The study concludes that stingray pancreatic lipase interacts more effectively with its own colipase than with those from mammals or birds.

Supporting Evidence

  • Colipase from the common stingray was purified to homogeneity.
  • The purified colipase has an apparent molecular mass of around 10 kDa.
  • CoSPL was found to be less effective at activating bird and mammal pancreatic lipases than its own species' lipase.
  • The study suggests that the colipase-lipase interaction site is conserved across species.

Takeaway

This study looks at a special protein from stingrays that helps digest fats, showing it works best with its own kind.

Methodology

The colipase was purified using various chromatography techniques and its properties were analyzed through enzymatic assays.

Limitations

The study does not explore the full range of marine colipases or their interactions with all types of lipases.

Digital Object Identifier (DOI)

10.1186/1476-511X-10-69

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication