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Research Article

Loss of Egg Yolk Genes in Mammals and the Origin of Lactation and Placentation

  • David Brawand,

    Affiliation: Center for Integrative Genomics, University of Lausanne, Lausanne, Switzerland

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  • Walter Wahli mail,

    To whom correspondence should be addressed. E-mail: walter.wahli@unil.ch (WW); henrik.kaessmann@unil.ch (HK)

    Affiliations: Center for Integrative Genomics, University of Lausanne, Lausanne, Switzerland, National Research Center Frontiers in Genetics, University of Lausanne, Lausanne, Switzerland

    These authors are joint senior authors on this work.

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  • Henrik Kaessmann mail

    To whom correspondence should be addressed. E-mail: walter.wahli@unil.ch (WW); henrik.kaessmann@unil.ch (HK)

    Affiliation: Center for Integrative Genomics, University of Lausanne, Lausanne, Switzerland

    These authors are joint senior authors on this work.

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  • Published: March 18, 2008
  • DOI: 10.1371/journal.pbio.0060063

About the Authors

David Brawand, Walter Wahli, Henrik Kaessmann
Center for Integrative Genomics, University of Lausanne, Lausanne, Switzerland
Walter Wahli
National Research Center Frontiers in Genetics, University of Lausanne, Lausanne, Switzerland

Corresponding Authors

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

WW proposed the study, and DB, WW, and HK conceived it. DB and HK designed the analyses. DB performed and HK guided the analyses. DB, WW, and HK cowrote the manuscript.