Identifying Target Genes with TRANSMODIS
Author Information
Author(s): Yu Ron X., Liu Jie, True Nick, Wang Wei
Primary Institution: University of California San Diego
Hypothesis
Can TRANSMODIS effectively identify direct target genes of transcription factors using sequence and expression data?
Conclusion
TRANSMODIS successfully identified 189 genes regulated by DAF-16, demonstrating its effectiveness in target gene identification.
Supporting Evidence
- TRANSMODIS identified 39 class 1 genes and 150 class 2 genes related to DAF-16.
- The model was validated on simulated data showing high accuracy in target identification.
- TRANSMODIS outperformed previous methods in identifying targets of transcription factors.
Takeaway
TRANSMODIS is a smart tool that helps scientists find which genes are controlled by specific proteins, like DAF-16, which affects how long worms live.
Methodology
TRANSMODIS integrates sequence motif, gene expression, and ChIP-chip data to identify direct targets of transcription factors.
Potential Biases
Potential biases may arise from the assumptions that all TFs are active in all experiments and that the core motifs are known.
Limitations
TRANSMODIS may miss true targets if they have inconsistent expression changes across experiments.
Participant Demographics
The study involved gene expression data from Saccharomyces cerevisiae and Caenorhabditis elegans.
Statistical Information
P-Value
0.015
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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