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Fast and systematic genome-wide discovery of conserved regulatory elements using a non-alignment based approach

Olivier Elemento email and Saeed Tavazoie email

Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544, USA

author email corresponding author email

Genome Biology 2005, 6:R18doi:10.1186/gb-2005-6-2-r18

Published: 26 January 2005

Subject areas: Bioinformatics, Evolution, Genome studies

Abstract

We describe a powerful new approach for discovering globally conserved regulatory elements between two genomes. The method is fast, simple and comprehensive, without requiring alignments. Its application to pairs of yeasts, worms, flies and mammals yields a large number of known and novel putative regulatory elements. Many of these are validated by independent biological observations, have spatial and/or orientation biases, are co-conserved with other elements and show surprising conservation across large phylogenetic distances.


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