Multinucleotide mutations cause false inferences of lineage-specific positive selection.

Abstract excerpt

Phylogenetic tests of adaptive evolution, such as the widely used branch-site test (BST), assume that nucleotide substitutions occur singly and independently. Recent research has shown that errors at adjacent sites often occur during DNA replication, and the resulting multinucleotide mutations (MNMs) are overwhelmingly likely to be non-synonymous. To evaluate whether the BST misinterprets sequence patterns...

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