Document Detail

Reconciling an archaeal origin of eukaryotes with engulfment: a biologically plausible update of the Eocyte hypothesis.
MedLine Citation:
PMID:  21034814     Owner:  NLM     Status:  In-Data-Review    
An archaeal origin of eukaryotes is often equated with the engulfment of the bacterial ancestor of mitochondria by an archaeon. Such an event is problematic in that it is not supported by archaeal cell biology. We show that placing phylogenetic results within a stem-and-crown framework eliminates such incompatibilities, and that an archaeal origin for eukaryotes (as suggested from recent phylogenies) can be uncontroversially reconciled with phagocytosis as the mechanism for engulfment of the mitochondrial ancestor. This is significant because it eliminates a perceived problem with eukaryote origins: that an archaeal origin of eukaryotes (as under the Eocyte hypothesis) cannot be reconciled with existing cell biological mechanisms through which bacteria may take up residence inside eukaryote cells.
Anthony M Poole; Nadja Neumann
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Publication Detail:
Type:  Journal Article     Date:  2010-10-27
Journal Detail:
Title:  Research in microbiology     Volume:  162     ISSN:  1769-7123     ISO Abbreviation:  Res. Microbiol.     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-01-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8907468     Medline TA:  Res Microbiol     Country:  France    
Other Details:
Languages:  eng     Pagination:  71-6     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Institut Pasteur. Published by Elsevier SAS. All rights reserved.
Department of Molecular Biology and Functional Genomics, Stockholm University, SE-106 91 Stockholm, Sweden; School of Biological Sciences, University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand.
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