Identification of 11-amino acid peptides that disrupt Notch-mediated processes in Drosophila
2011
Disrupting Notch Signaling with 11-Amino Acid Peptides in Drosophila
publication
Evidence: moderate
Author Information
Author(s): Pi Haiwei, Huang Yi-Chun, Chen I-Chun, Lin Chung-De, Yeh Hsiao-Fong, Pai Li-Mei
Primary Institution: Chang Gung University
Hypothesis
Can 11-amino acid peptides disrupt Notch-mediated processes in Drosophila?
Conclusion
The study shows that overexpression of Pri/Tal 11-amino acid peptides disrupts Notch signaling and reduces the expression of Notch target genes.
Supporting Evidence
- Overexpression of Pri/Tal peptides leads to ectopic sensory organ formation.
- Pri/Tal peptides disrupt the dorsal-ventral boundary formation in wing development.
- The study identifies novel antagonistic activity of Pri/Tal peptides against the Notch pathway.
Takeaway
Scientists found that certain tiny proteins can stop a signaling process in fruit flies that helps cells decide what they will become, which could help in treating diseases.
Methodology
The study used a gain-of-function modifier screen in Drosophila to identify genes that affect external sensory organ development.
Digital Object Identifier (DOI)
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