A Case Of Convergence: Why Did a Simple Alternative to Canonical Antibodies Arise in Sharks and Camels?
2011

Why Sharks and Camels Have Unique Antibodies

publication

Author Information

Author(s): Martin F. Flajnik, Nick Deschacht, Serge Muyldermans

Hypothesis

What explains the evolutionary convergence of functional heavy-chain-only antibodies in sharks and camels?

Conclusion

Sharks and camels have developed similar types of antibodies that lack light chains, suggesting a remarkable case of evolutionary convergence.

Supporting Evidence

  • Both sharks and camels have developed heavy-chain-only antibodies that function effectively.
  • The emergence of these antibodies is believed to be a response to similar evolutionary pressures.
  • The antibodies in both species are capable of binding to a wide range of antigens despite their simpler structure.

Takeaway

Sharks and camels both have special antibodies that are simpler than usual ones, and they help these animals fight off germs.

Digital Object Identifier (DOI)

10.1371/journal.pbio.1001120

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication