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Open Access Research article

Hidden genetic diversity in the green alga Spirogyra (Zygnematophyceae, Streptophyta)

Charlotte Chen1, Michael HJ Barfuss2, Thomas Pröschold13 and Michael Schagerl1*

Author Affiliations

1 Department of Limnology, University of Vienna, Althanstraße 14, Vienna A-1090, Austria

2 Department of Systematic and Evolutionary Botany, University of Vienna, Rennweg 14, Vienna, A-1030, Austria

3 Department Applied Limnology, University of Rostock, Albert-Einstein-Str. 3, Rostock, D-18059, Germany

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BMC Evolutionary Biology 2012, 12:77  doi:10.1186/1471-2148-12-77

Published: 1 June 2012

Additional files

Additional file 1:

Table S1. Comparison of the maximum likelihood tree (Zygnematophyceaen alignment) with user defined trees by AU (P-value of the approximately unbiased test calculated from multiscale bootstrap), PP, KH, SH and weighted SH. Trees significantly worse than the best trees at p≤ 0.05 are indicated by grey highlighting.

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Additional file 2:

Table S2. Comparison of the maximum likelihood tree (Spirogyra alignment) with user defined trees by AU, KH, SH and weighted SH. Trees significantly worse than the best trees at p≤ 0.05 are indicated by grey highlighting.

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Additional file 3:

Table S3. Results of the Relative Rate Test carried out in GRate [56]; using only unambiguously aligned positions of all sequences used in this study; not significant: N.S. (p > 0.05; relative rates not significantly different at 5% level). Asterisks: p = 0.05 > * > 0.01 > ** > 0.005 > *** (relative rates significantly different).

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Additional file 4:

Table S4. List of NHS found for the genus Spirogyra and clades.

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Additional file 5:

Table S5. Origin of Spirogyra isolates.

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