Developmental stage related patterns of codon usage and genomic GC content: searching for evolutionary fingerprints with models of stem cell differentiation
2007

Codon Usage and GC Content in Stem Cell Differentiation

publication Evidence: moderate

Author Information

Author(s): Ren Lichen, Gao Ge, Zhao Dongxin, Ding Mingxiao, Luo Jingchu, Deng Hongkui

Primary Institution: College of Life Sciences, Shanghai Jiao Tong University

Hypothesis

Are there correlations between codon usage and gene expression patterns during different developmental stages in stem cells?

Conclusion

Developmental stage-related patterns of gene expression are correlated with codon usage and GC content in stem cell hierarchies.

Supporting Evidence

  • Highly expressed genes use more optimal codons.
  • Developmental-specific genes generally have higher GC content.
  • Negative correlations were found between gene expression levels and GC3.

Takeaway

This study found that the way genes are expressed changes during development, and this affects how often certain DNA codes are used.

Methodology

The study used two models of mouse stem cell differentiation to analyze correlations between gene expression levels and codon usage.

Limitations

The study may not generalize to all mammalian genes as it focuses on specific models of stem cell differentiation.

Statistical Information

P-Value

p<0.005

Statistical Significance

p<0.005

Digital Object Identifier (DOI)

10.1186/gb-2007-8-3-r35

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