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Abstract
Until recently, it had appeared that the septin family of proteins was restricted to the opisthokont eukaryotes (the fungi and animals and their close relatives the microsporidia and choanoflagellates). It has now become apparent that septins are also present in several other widely divergent eukaryotic lineages (chlorophyte algae, brown algae, and ciliates). This distribution and the details of the non-opisthokont septin sequences appear to require major revisions to hypotheses about the origins and early evolution of the septins.
Keywords: brown algae; chlorophyte algae; ciliates; cytokinesis; green algae; guanine-nucleotide-binding proteins
Received: 2011-5-3
Accepted: 2011-6-30
Published Online: 2011-08-01
Published in Print: 2011-08-01
©2011 by Walter de Gruyter Berlin Boston
