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Nature 392, 15-16 (5 March 1998) | doi:10.1038/32033

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A paradigm gets shifty

W. Ford Doolittle1

The prevailing view of the origin of complex eukaryotic cells presumes a symbiosis, based on respiration, between a bacterium and a primitive eukaryotic 'host'. But could the symbiosis have been based instead on hydrogen metabolism, with the host being an archaean?

  1. W. Ford Doolittle is with the Program in Evolutionary Biology, Canadian Institute for Advanced Research, Dalhousie University, Halifax, Nova Scotia B3H 4H7, Canada.
    e-mail: Email: ford@is.dal.ca