Phylogenetic Relationships of Five Species of the Amphipod Genus Gammarus |
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| Authors: | STEEN KOLDING VIBEKE SIMONSEN |
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| Institution: | Institute of Ecology and Genetics, University of Aarhus, Aarhus, Denmark |
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| Abstract: | The phylogenetic relationships of five amphipod species of the genus Gummarus: G. oceanicus, G. locusta, G. salinus, G. zaddachi and G. duebeni are presented based on starch gel electrophoresis of 12 enzymes determined by 17 loci. The five species separate into three groups: G. locusta and G. duebeni each represent a distinct group while G. oceanicus, G. salinus and G. zaddachi together form a third group. This grouping results when the number of diagnostic loci, as well as when genetic distance between species pairs, are considered. The results compare well with morphological and, to some extent, ecological data. |
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