Research article
A genomic timescale of prokaryote evolution: insights into the origin of methanogenesis, phototrophy, and the colonization of land
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* Corresponding author: S Blair Hedges sbh1@psu.edu
1 NASA Astrobiology Institute and Department of Biology, 208 Mueller Laboratory, The Pennsylvania State University, University Park, PA 16802, USA
2 European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany
BMC Evolutionary Biology 2004, 4:44 doi:10.1186/1471-2148-4-44
Published: 9 November 2004Additional files
Additional File 1:
Complete time estimation analyses. Estimated times for each node and calibration for Eubacteria and Archaebacteria. The node numbers refer to additional files 1 (eubacteria) and 2 (archaebacteria).
Format: XLS Size: 136KB Download file
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Additional File 2:
Eubacteria tree. Phylogenetic tree of eubacteria (ME; α = 0.94). Node numbers assigned during the time estimation analyses are represented in italics.
Format: PDF Size: 186KB Download file
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Additional File 3:
Archaebacteria tree. Phylogenetic tree of archaebacteria (ME; α = 1.20). Node numbers assigned during the time estimation analyses are represented in italics.
Format: PDF Size: 164KB Download file
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Additional File 4:
Prior distribution values. Mean of the prior distribution for the rate of molecular evolution of the ingroup root node (rtrate) in Eubacteria and Archaebacteria.
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Additional File 5:
Percentage difference. Divergence time estimates and percentage difference due to different ingroup root constraints used under each calibration point. Node numbers refer to additional file 2 (eubacteria) and additional file 3 (archaebacteria).
Format: DOC Size: 106KB Download file
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