Interlocking Transcriptional Feedback Loops Control White-Opaque Switching in Candida albicans
2007

Controlling White-Opaque Switching in Candida albicans

publication Evidence: high

Author Information

Author(s): Rebecca E. Zordan, Mathew G. Miller, David J. Galgoczy, Brian B. Tuch, Alexander D. Johnson

Primary Institution: University of California San Francisco

Hypothesis

The study investigates the transcriptional circuitry that specifies the two cell types of Candida albicans and controls the switching between them.

Conclusion

The research identifies two new transcriptional regulators, Czf1 and Wor2, that are crucial for the white-opaque switching in Candida albicans.

Supporting Evidence

  • The study identified two new transcriptional regulators, Czf1 and Wor2, that are essential for the white-opaque switching.
  • A network of positive feedback loops was found to maintain the opaque state through many cell divisions.
  • The research demonstrated that the master regulator gene WOR1 plays a central role in the switching process.

Takeaway

Candida albicans can change between two types of cells, white and opaque, and this study found new genes that help control this change.

Methodology

The study used genetic mutants and chromatin immunoprecipitation to analyze the roles of various transcriptional regulators in white-opaque switching.

Digital Object Identifier (DOI)

10.1371/journal.pbio.0050256

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