Patterns of exon-intron architecture variation of genes in eukaryotic genomes
2009

Patterns of Exon-Intron Variation in Eukaryotic Genomes

Sample size: 13 publication Evidence: high

Author Information

Author(s): Zhu Liucun, Zhang Ying, Zhang Wen, Yang Sihai, Chen Jian-Qun, Tian Dacheng

Primary Institution: State Key Laboratory of Pharmaceutical Biotechnology, Department of Biology, Nanjing University

Hypothesis

What are the patterns of exon-intron architecture variation in eukaryotic genomes?

Conclusion

The study identifies three basic patterns of exon-intron variation across 13 eukaryotic genomes.

Supporting Evidence

  • Three basic patterns of exon-intron variation were found in nearly all analyzed genomes.
  • A significant negative correlation exists between intron length and ordinal position.
  • The first intron generally has the highest GC content compared to others.

Takeaway

Scientists looked at how genes are built in different living things and found some common patterns in how parts of genes are arranged.

Methodology

The study analyzed the length, GC content, ordinal position, and divergence of exons and introns in 13 eukaryotic genomes.

Limitations

The mechanisms behind the observed patterns remain unclear.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1471-2164-10-47

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