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Open Access Research article

A survey of nuclear ribosomal internal transcribed spacer substitution rates across angiosperms: an approximate molecular clock with life history effects

Kathleen M Kay12*, Justen B Whittall23 and Scott A Hodges2

Author Affiliations

1 Department of Plant Biology, Michigan State University, 166 Plant Biology Building, East Lansing, MI, 48824, USA

2 Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara, CA, 93106, USA

3 Section of Evolution and Ecology, University of California, One Shields Ave., Davis, CA, 95616, USA

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BMC Evolutionary Biology 2006, 6:36  doi:10.1186/1471-2148-6-36

Published: 25 April 2006

Additional files

Additional File 1:

This is the alignment of Winteraceae nrITS from Genbank accessions AY004111-AY004128[27], used in calculating the effects of calibration uncertainty and branch length estimation on substitution rate. It includes PAUP and r8s command blocks and the tree description from the maximum likelihood analysis.

Format: TXT Size: 37KB Download file

Open Data

Additional File 2:

This is the alignment of Dendroseris nrITS from Sang [28] used in calculating the effects of calibration uncertainty and branch length estimation on nrITS substitution rate. It includes a PAUP command block and the tree description from the maximum likelihood analysis.

Format: TXT Size: 8KB Download file

Open Data