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A new perspective from Information Theory on genetic sequences

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If you have a question about this talk, please contact Rachel Furner.

I demonstrate conceptual links between features of population genetic samples and a core information-theoretic property. In essence, long stretches of genetic variants may be captured as ‘typical sequences’ of a nonstationary source modelled on the source population. I will introduce the concepts of typical genotypes, population entropy rate and mutual typicality, and their relation to the asymptotic equipartition property. The interplay of typical genotypes from differing populations and their geometric properties in high dimensional space will provide motivation for constructing simple typicality-based population assignment schemes, where the communication channel can be likened to an inferential channel. We then highlight a surprising resilience to allele frequency estimation noise of such schemes. Finally, I will discuss the prospects of further applications of ideas from information theory for interpreting population genetic data.

This talk is part of the CCIMI Seminars series.

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EPIGENETICS: Technology, Tools and Applications of Epigenetic data (21 September 2009, Hinxton) The Forensic Use of Bioinformation III Pint of Knowledge AUTOMATE* Slavonic Studies Graduate Research Forum Cambridge Italian Research Network

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