N-Termini of Fungal CSL Transcription Factors Are Disordered, Enriched in Regulatory Motifs and Inhibit DNA Binding in Fission Yeast
2011

Fungal CSL Proteins and Their N-Terminal Extensions

Sample size: 34 publication 10 minutes Evidence: moderate

Author Information

Author(s): Martin Převorovský, Sophie R. Atkinson, Martina Ptáčková, Janel R. McLean, Kathleen Gould, Petr Folk, František Půta, Jürg Bähler

Primary Institution: University College London

Hypothesis

The extended N-termini of fungal CSL proteins are functionally significant despite their low sequence complexity.

Conclusion

The study reveals that the long N-terminal tails of fungal CSL proteins are likely disordered and play a crucial role in regulating DNA binding and CSL function.

Supporting Evidence

  • The study identified 15 novel CSL family members from 7 fungal species.
  • Long N-terminal extensions are typical for fungal CSL proteins.
  • The N-termini are likely disordered and enriched in phosphorylation sites.
  • Cbf12's N-terminus inhibits its DNA binding activity.

Takeaway

This study looks at special proteins in fungi that help control how genes work. They have long tails that might help them do their job better.

Methodology

The study involved bioinformatic analyses of CSL protein sequences from various fungal species and experimental validation using electrophoretic mobility shift assays.

Potential Biases

Potential bias due to the focus on specific fungal species and the reliance on computational predictions.

Limitations

The study primarily focuses on fission yeast and may not fully represent the function of CSL proteins in other fungi.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0023650

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication