Journal
FEBS LETTERS
Volume 582, Issue 8, Pages 1225-1230Publisher
WILEY
DOI: 10.1016/j.febslet.2008.02.017
Keywords
co-evolution; co-adaptation; protein interaction; mirrortree
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Interacting or functionally related proteins have been repeatedly shown to have similar phylogenetie trees. Two main hypotheses have been proposed to explain this fact. One involves compensatory changes between the two protein families (co-adaptation). The other states that the tree similarity may be an indirect consequence of the involvement of the two proteins in similar cellular process, which in turn would be reflected by similar evolutionary pressure on the corresponding sequences. There are published data supporting both propositions, and currently the available information is compatible with both hypotheses being true, in an scenario in which both sets of forces are shaping the tree similarity at different levels. (C) 2008 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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