Histone Modifications and Gene Coexpression in Yeast
Author Information
Author(s): Deng Yangyang, Dai Xianhua, Xiang Qian, Dai Zhiming, He Caisheng, Wang Jiang, Feng Jihua
Primary Institution: School of Information Science and Technology, Sun Yat-Sen University
Hypothesis
The study investigates the effect of histone modifications on the coexpression of neighboring genes in Saccharomyces cerevisiae.
Conclusion
Histone modifications primarily affect the coexpression of neighboring genes within a small local chromatin region.
Supporting Evidence
- Histone modifications were found to be similar in neighboring genes.
- Coexpression was significantly correlated with histone modifications of neighboring genes.
- The study identified over 2000 chromatin domains with similar acetylation changes.
Takeaway
This study found that genes close to each other in yeast tend to be turned on or off together, and this is influenced by certain chemical changes on their DNA.
Methodology
The study used autocorrelation analysis and hidden Markov models to analyze histone modifications and gene expression.
Potential Biases
Potential systemic bias in gene expression data due to probe arrangement.
Limitations
The study focused only on a limited number of neighboring genes and may not represent all gene interactions.
Statistical Information
P-Value
p<10-307
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website