Functional Analysis of the Phycomyces carRA Gene Encoding the Enzymes Phytoene Synthase and Lycopene Cyclase
2011

Study of the Phycomyces carRA Gene and Its Role in Carotenoid Production

publication Evidence: moderate

Author Information

Author(s): Sanz Catalina, Velayos Antonio, Álvarez María Isabel, Benito Ernesto P., Eslava Arturo P.

Primary Institution: University of Salamanca

Hypothesis

The Phycomyces carRA gene encodes enzymes with phytoene synthase and lycopene cyclase activities.

Conclusion

The Phycomyces carRA gene is confirmed to encode a protein that has both phytoene synthase and lycopene cyclase activities.

Supporting Evidence

  • The carRA gene was shown to be expressed in Mucor transformants.
  • Carotenoid analysis confirmed the presence of β-carotene in transformed strains.
  • The study demonstrated that the carRA gene can complement mutations in Mucor.

Takeaway

Scientists studied a gene from a fungus that helps make colorful pigments. They found that this gene can do two important jobs in making these pigments.

Methodology

The study involved transforming Mucor circinelloides and E. coli with the Phycomyces carRA gene and analyzing carotenoid production.

Limitations

The efficiency of carotenoid production was low in the heterologous systems used.

Digital Object Identifier (DOI)

10.1371/journal.pone.0023102

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication