Characteristics of Human and Mouse Orthologous Protein-Coding Nucleotide Sequences with Large G+C Content Variations
2007

Study of G+C Content Variations in Human and Mouse Genes

Sample size: 3776 publication Evidence: moderate

Author Information

Author(s): Nakashima Hiroshi

Primary Institution: Kanazawa University

Hypothesis

The study investigates the characteristics of human and mouse orthologous sequences based on G+C content variations.

Conclusion

The study found that chromosomal locations and rearrangements are associated with G+C content variation between human and mouse sequences.

Supporting Evidence

  • The study classified orthologous gene pairs into groups based on G+C content deviations.
  • Human and mouse sequences showed distinct nucleotide substitution patterns based on G+C content.
  • Chromosomal locations of orthologous genes were found to differ significantly between groups.

Takeaway

Scientists looked at how the DNA of humans and mice is different in terms of G+C content, which is like how much of a certain building block is in their genes. They found that where these genes are located in the DNA can change a lot between the two species.

Methodology

The study analyzed 3,776 pairwise alignments of human and mouse orthologous nucleotide sequences based on G+C content deviations.

Limitations

The study did not explore the functional implications of the observed G+C content variations.

Digital Object Identifier (DOI)

10.2174/138920207783591708

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