Limits on the Number of Transcription Factors
Author Information
Author(s): Itzkovitz Shalev, Tlusty Tsvi, Alon Uri
Primary Institution: Weizmann Institute of Science
Hypothesis
Are there limits on the numbers of transcription factors from different super-families?
Conclusion
The study suggests that there are upper bounds on the number of transcription factors from different super-families, which correlate with the binding mechanisms of those factors.
Supporting Evidence
- The number of transcription factors from most super-families appears to be bounded.
- The maximal number of transcription factors correlates with the number of degrees of freedom in the binding mechanism.
- Transcription factors with similar binding sequences tend to regulate genes with similar biological functions.
Takeaway
This study found that there are limits to how many transcription factors can exist in different groups, and that these limits help prevent mistakes in gene regulation.
Methodology
The study analyzed the number of transcription factors in various organisms and compared them to coding theory predictions regarding binding mechanisms.
Limitations
The study's conclusions are based on theoretical models and may not account for all biological complexities.
Digital Object Identifier (DOI)
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