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Measuring genome reorganization from synteny data

B O Bengtsson¹, K K Levan, G Levan

¹Department of Genetics, Lund University, Sweden.

Cytogenetics and Cell Genetics

|January 1, 1993

Summary

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We developed two new measures, q and Q, to quantify genome reorganization between species. The mouse-rat genome reorganization is about 1/5 of that seen between humans and rodents.

Area of Science:

Comparative genomics
Evolutionary biology
Bioinformatics

Background:

Understanding genome evolution requires quantifying changes between species.
Synteny data provides insights into conserved gene order.

Purpose of the Study:

To introduce two novel quantitative measures for genome reorganization.
To assess genome evolution using synteny data.

Main Methods:

Developed a measure 'q' for syntenic relationship decay.
Developed a logarithmic measure 'Q' for substantial reorganization.
Applied measures to human, mouse, and rat genomic data.

Main Results:

Quantified genome reorganization using synteny data.

Related Experiment Videos

Estimated mouse-rat genome reorganization as 1/5 of human-rodent reorganization.

Demonstrated the utility of measures q and Q.

Conclusions:

The new measures provide a robust way to study genome evolution.
Significant differences in genome reorganization exist across mammalian lineages.