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dc.contributor.authorWilliams, C.-
dc.contributor.authorHoppe, H.-
dc.contributor.authorRezgui, D.-
dc.contributor.authorStrickland, M.-
dc.contributor.authorForbes, B.-
dc.contributor.authorGrutzner, F.-
dc.contributor.authorFrago, S.-
dc.contributor.authorEllis, R.-
dc.contributor.authorWattana-Amorn, P.-
dc.contributor.authorPrince, S.-
dc.contributor.authorZaccheo, O.-
dc.contributor.authorNolan, C.-
dc.contributor.authorMungall, A.-
dc.contributor.authorJones, E.-
dc.contributor.authorCrump, M.-
dc.contributor.authorHassan, A.-
dc.identifier.citationScience, 2012; 338(6111):1209-1213-
dc.description.abstractPlacental development and genomic imprinting coevolved with parental conflict over resource distribution to mammalian offspring. The imprinted genes IGF2 and IGF2R code for the growth promoter insulin-like growth factor 2 (IGF2) and its inhibitor, mannose 6-phosphate (M6P)/IGF2 receptor (IGF2R), respectively. M6P/IGF2R of birds and fish do not recognize IGF2. In monotremes, which lack imprinting, IGF2 specifically bound M6P/IGF2R via a hydrophobic CD loop. We show that the DNA coding the CD loop in monotremes functions as an exon splice enhancer (ESE) and that structural evolution of binding site loops (AB, HI, FG) improved therian IGF2 affinity. We propose that ESE evolution led to the fortuitous acquisition of IGF2 binding by M6P/IGF2R that drew IGF2R into parental conflict; subsequent imprinting may then have accelerated affinity maturation.-
dc.description.statementofresponsibilityChristopher Williams, Hans-Jürgen Hoppe, Dellel Rezgui, Madeleine Strickland, Briony E. Forbes, Frank Grutzner, Susana Frago, Rosamund Z. Ellis, Pakorn Wattana-Amorn, Stuart N. Prince, Oliver J. Zaccheo, Catherine M. Nolan, Andrew J. Mungall, E. Yvonne Jones, Matthew P. Crump, A. Bassim Hassan-
dc.publisherAmer Assoc Advancement Science-
dc.rightsCopyright 2012 by the American Association for the Advancement of Science; all rights reserved.-
dc.subjectInsulin-Like Growth Factor II-
dc.subjectReceptor, IGF Type 2-
dc.subjectEvolution, Molecular-
dc.subjectSpecies Specificity-
dc.subjectGenomic Imprinting-
dc.subjectAlternative Splicing-
dc.subjectBinding Sites-
dc.subjectAmino Acid Sequence-
dc.subjectConserved Sequence-
dc.subjectProtein Structure, Tertiary-
dc.subjectMolecular Sequence Data-
dc.subjectEnhancer Elements, Genetic-
dc.titleAn exon splice enhancer primes IGF2:IGF2R binding site structure and function evolution-
dc.typeJournal article-
dc.identifier.orcidGrutzner, F. [0000-0002-3088-7314]-
Appears in Collections:Aurora harvest 4
Environment Institute Leaders publications
Molecular and Biomedical Science publications

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