A New Mutation Affecting FRQ-Less Rhythms in the Circadian System of Neurospora crassa
2011

A New Clock Mutation in Neurospora

Sample size: 600 publication 10 minutes Evidence: moderate

Author Information

Author(s): Li Sanshu, Motavaze Kamyar, Kafes Elizabeth, Suntharalingam Sujiththa, Lakin-Thomas Patricia

Primary Institution: York University

Hypothesis

What are the effects of the UV90 mutation on the circadian rhythms in Neurospora crassa?

Conclusion

The UV90 mutation disrupts conidiation rhythmicity and affects the function of the circadian system in Neurospora crassa.

Supporting Evidence

  • The UV90 mutation affects rhythmicity in both FRQ-less and FRQ-sufficient strains.
  • The UV90 gene product is required for a functional FRQ-less oscillator.
  • The UV90 mutation dampens the amplitude of the conidiation rhythm in FRQ+ strains.

Takeaway

Scientists found a new mutation in a fungus that affects its internal clock, which helps it know when to grow and produce spores.

Methodology

A mutagenesis screen was conducted on a frq knockout strain to identify mutations affecting conidiation rhythms.

Limitations

The study primarily focuses on a single mutation and its effects, which may not represent all factors influencing circadian rhythms.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pgen.1002151

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication