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Testing the kinship theory of intragenomic conflict in honey bees ( Apis mellifera )

Author(s): Galbraith, David A; Kocher, Sarah D; Glenn, Tom; Albert, Istvan; Hunt, Greg J; et al

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Abstract: Strong support for the theory of kin selection can come from predicting outcomes under circumstances of within-family conflict. Genes inherited from mothers (matrigenes) and fathers (patrigenes) usually work harmoniously in the offspring. However, kin selection theory predicts these genes may be in conflict over interactions among relatives in which they are unequally represented (half-siblings). In honey bees, patrigenes are predicted to favor daughters that lay eggs themselves rather than remaining sterile and rearing their half-sisters' offspring. We tested this prediction, using crosses of distinct genetic stocks. Workers displayed the reproductive characteristics of their paternal genomes, patrigene expression was higher in reproductive tissues, and this patrigene bias increased in reproductive workers. These results provide strong empirical support for kin selection theory.
Publication Date: 26-Jan-2016
Electronic Publication Date: 11-Jan-2016
Citation: Galbraith, David A, Kocher, Sarah D, Glenn, Tom, Albert, Istvan, Hunt, Greg J, Strassmann, Joan E, Queller, David C, Grozinger, Christina M. (2016). Testing the kinship theory of intragenomic conflict in honey bees ( Apis mellifera ). Proceedings of the National Academy of Sciences, 113 (4), 1020 - 1025. doi:10.1073/pnas.1516636113
DOI: doi:10.1073/pnas.1516636113
ISSN: 0027-8424
EISSN: 1091-6490
Pages: 1020 - 1025
Type of Material: Journal Article
Journal/Proceeding Title: Proceedings of the National Academy of Sciences
Version: Final published version. Article is made available in OAR by the publisher's permission or policy.

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