Nucleotide insertion and deletion (indel) events, together with substitutions, represent the major mutational processes of gene evolution. Through the alignment of 8148 orthologous genes from human, mouse, and rat, we have identified 1743 indel events within rodent protein-coding sequences. Using human as an out-group, we reconstructed the mutational event underlying each of these indels. Overall, we found an excess of deletions over insertions, particularly for the rat lineage (70% excess). ...Expand abstract
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Occurrence and consequences of coding sequence insertions and deletions in Mammalian genomes.
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