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ISEP XIV Foraminifera and Cercozoa share a common origin according to RNA polymerase II phylogenies
 

Summary: ISEP XIV Foraminifera and Cercozoa share a common origin
according to RNA polymerase II phylogenies
David Longet,1
John M. Archibald,2
Patrick J. Keeling2
and Jan Pawlowski1
Correspondence
Jan Pawlowski
jan.pawlowski@zoo.unige.ch
1
Dept of zoology and animal biology, University of Geneva, Sciences III, 30 Quai Ernest
Ansermet, CH 1211 Gene`ve 4, Switzerland
2
Canadian Institute for Advanced Research, Department of Botany, University of British
Columbia, #3529-6270 University Blvd, Vancouver, British Columbia, Canada V6T 1Z4
Phylogenetic analysis of small and large subunits of rDNA genes suggested that Foraminifera
originated early in the evolution of eukaryotes, preceding the origin of other rhizopodial protists. This
view was recently challenged by the analysis of actin and ubiquitin protein sequences, which
revealed a close relationship between Foraminifera and Cercozoa, an assemblage of various filose
amoebae and amoeboflagellates that branch in the so-called crown of the SSU rDNA tree of

  

Source: Archibald, John - Department of Biochemistry and Molecular Biology, Dalhousie University
Keeling, Patrick - Department of Botany, University of British Columbia

 

Collections: Biology and Medicine; Environmental Sciences and Ecology