Skip to main content
×
×
Home

Phylogenetic position of the crustose Stereocaulon species

  • Filip HÖGNABBA (a1), Raquel PINO-BODAS (a1) (a2), Anders NORDIN (a1) (a3), Leena MYLLYS (a1) and Soili STENROOS (a1)...
Abstract

Phylogenetic relationships of Stereocaulon with emphasis on the crustose taxa were studied based on nuclear ribosomal ITS1–5.8S–ITS2 and partial beta-tubulin sequences. The placement of four of the six crustose species currently included in the genus has previously been confirmed based on molecular data. It has, however, remained unresolved whether the crustose growth form is a plesiomorphic or apomorphic feature within Stereocaulon, due to contradictory placements of the crustose species in earlier studies. The aim of this study was to clarify the position of the crustose species by including additional data, especially of S. nivale and S. plicatile, which have not been included in previous analyses. The inclusion of S. plicatile in the genus is of particular interest as it is the only species in the genus with submurifrom to muriform ascospores. Altogether 37 specimens representing 31 species of the ingroup, including all the crustose Stereocaulon species, were incorporated in the analyses. Conventional, as well as direct optimization parsimony, maximum likelihood and Bayesian analyses were performed. The results show that the crustose species do not form a monophyletic entity and that the crustose growth form is a plesiomorphic feature within Stereocaulon. The crustose S. nivale and S. plicatile are nested within the genus and their inclusion in Stereocaulon is thereby confirmed. The nested position of S. plicatile indicates that the submuriform to muriform spore type has been gained independently within the genus. Here, S. plicatile is also reported for the first time from Scandinavia.

Copyright
References
Hide All
Edgar, R. C. (2004) MUSCLE: multiple sequence alignment with high accuracy and high throughput. Nucleic Acids Research 32: 17921797.
Ekman, S. & Tønsberg, T. (2002) Most species of Lepraria and Leproloma form a monophyletic group closely related to Stereocaulon . Mycological Research 106: 12621276.
Farris, J. S., Albert, V. A., Källersjö, M., Lipscomb, D. & Kluge, A. G. (1996) Parsimony jackknifing outperforms neighbor-joining. Cladistics 12: 99124.
Fryday, A. M. (2006) New and interesting North American lichen records from the alpine and sub-alpine zones of Mt. Katahdin, Maine. Bryologist 109: 570578.
Fryday, A. M. & Coppins, B. J. (1996) A new crustose Stereocaulon from the mountains of Scotland and Wales. Lichenologist 28: 513519.
Fryday, A. M. & Glew, K. A. (2003) Stereocaulon nivale, comb. nov., yet another crustose species in the genus. Bryologist 106: 565568.
Gardes, M. & Bruns, T. D. (1993) ITS primers with enhanced specificity for basidiomycetes – application to the identification of mycorrhizae and rusts. Molecular Ecology 2: 113118.
Goloboff, P. A. (1999) Analyzing large data sets in reasonable times: solutions for composite optima. Cladistics 15: 415428.
Goloboff, P. A., Farris, J. S. & Nixon, K. C. (2008) TNT, a free program for phylogenetic analysis. Cladistics 24: 774786.
Högnabba, F. (2006) Molecular phylogeny of the genus Stereocaulon (Stereocaulaceae, lichenized ascomycetes). Mycological Research 110: 10801092.
Huelsenbeck, J. & Roquist, F. (2001) MRBAYES: Bayesian inference of phylogenetic trees. Bioinformatics 17: 754755.
Jahns, H. M. (1970) Untersuchungen zur Entwicklungsgeschichte der Cladoniaceen unter besonderer Berücksichtigung des Podetien-Problems. Nova Hedwigia 20: 1177.
Jahns, H. M., Klöckner, P., Jørgensen, P. M. & Ott, S. (1995) Development of thallus and ascocarps in Stereocaulon tornense . Bibliotheca Lichenologica 58: 181190.
Jørgensen, P. M. & Jahns, H. M. (1987) Muhria, a remarkable new lichen genus from Scandinavia. Notes from the Royal Botanic Garden Edinburgh 44: 581599.
Lamb, I. M. (1951) On the morphology, phylogeny, and taxonomy of the lichen genus Stereocaulon . Canadian Journal of Botany 29: 522584.
Lamb, I. M. (1977) A conspectus of the lichen genus Stereocaulon (Schreb.) Hoffm. Journal of the Hattori Botanical Laboratory 43: 191355.
Lohtander, K., Myllys, L., Sundin, R., Källersjö, M. & Tehler, A. (1998) The species pair concept in the lichen Dendrographa leucophaea (Arthoniales): analyses based on ITS sequences. Bryologist 101: 404411.
Lumbsch, H. T. & Huhndorf, S. M. (2010) Myconet Volume 14. Part One. Outline of Ascomycota–2009. Part Two. Notes on Ascomycete Systematics. Nos. 4751–5113. Fieldiana: Life and Earth Sciences 1: 164.
Lutzoni, F., Kauff, F., Cox, C., McLaughlin, D., Celio, G., Dentinger, B., Padamsee, M., Hibbett, D., James, T. Y., Baloch, E. et al. (2004) Assembling the fungal tree of life: progress, classification, and evolution of subcellular traits. American Journal of Botany 91: 14461480.
Maddison, D. R. & Maddison, W. P. (2003) MacClade 4: Analysis of Phylogeny and Character Evolution. Version 4.06. Sunderland, Massachusetts: Sinauer Associates.
Maddison, W. P. & Maddison, D. R. (2010) Mesquite: a modular system for evolutionary analysis. Version 2.73. http://mesquiteproject.org
Miądlikowska, J., Kauff, F., Hofstetter, V., Fraker, E., Grube, M., Hafellner, J., Reeb, V., Hodkinson, B. P., Kukwa, M., Lücking, R. et al. (2006) New insights into classification and evolution of the Lecanoromycetes (Pezizomycotina, Ascomycota) from phylogenetic analyses of three ribosomal RNA- and two protein-coding genes. Mycologia 98: 10881103.
Myllys, L., Lohtander, K., Källersjö, M. & Tehler, A. (1999) Sequence insertions and ITS data provide congruent information on Roccella canariensis and R. tuberculata (Arthoniales, Euascomycetes) phylogeny. Molecular Phylogenetics and Evolution 12: 295309.
Myllys, L., Lohtander, K. & Tehler, A. (2001) β-tubulin, ITS and group I intron sequences challenge the species pair concept in Physcia aipolia and P. caesia . Mycologia 93: 335343.
Myllys, L., Högnabba, F., Lohtander, K., Thell, A., Stenroos, S. & Hyvönen, J. (2005) Phylogenetic relationships of Stereocaulaceae based on simultaneous analysis of beta-tubulin, GAPDH and SSU rDNA sequences. Taxon 54: 605618.
Nixon, K. C. (1999) The parsimony ratchet, a new method for rapid parsimony analysis. Cladistics 15: 407414.
Nylander, J. A. A. (2004) MrModelTest 2.1. Program distributed by the author. Evolutionary Biology Centre, Uppsala University. Available at http://www.abc.se/~nylander.
Orange, A., James, P. W. & White, F. J. (2001) Microchemical Methods for the Identification of Lichens. London: British Lichen Society.
Printzen, C. & Kantvilas, G. (2004) Hertelidea, genus novum Stereocaulacearum (Ascomycetes lichensiati). Bibliotheca Lichenologica 88: 539553.
Purvis, O. W. & James, P. W. (1985) Lichens of the Coniston copper mines. Lichenologist 17: 221237.
Rambaut, A. (2009) FigTree. Version 1.3.1. Institute of Evolutionary Biology, University of Edinburgh. http://tree.bio.ed.ac.uk/software/figtree
Rambaut, A. & Drummond, A. J. (2007) Tracer version 1.4. http://beast.bio.ed.ac.uk/Tracer.
Stamatakis, A. (2006) RAxML-VI-HPC: maximum likelihood-based phylogenetic analyses with thousands of taxa and mixed models. Bioinformatics 22: 26882690.
Timdal, E. (2002) Stereocaulon cumulatum comb. nov., another crustose species in the genus. Lichenologist 34: 711.
Varón, A., Vinh, L. S., Bomash, I. & Wheeler, W. C. (2008) POY 4.1.2.1. American Museum of Natural History, New York. Documentation by Varón, A., Vinh, L. S., Bomash, I., Wheeler, W. C., Tëmkin, I., Cevasco, M., Pickett, K. M., Faivovich, J., Grant, T. & Smith, W. L. http://research.amnh.org/scicomp/projects/poy.php and http://code.google.com/p/poy4/
Varón, A., Vinh, L. S. & Wheeler, W. C. (2010) POY version 4: phylogenetic analysis using dynamic homologies. Cladistics 26: 7285.
Wheeler, W. C. (1996) Optimization alignment: the end of multiple sequence alignment in phylogenetics? Cladistics 12: 19.
White, T. J., Bruns, T., Lee, S. B. & Taylor, J. W. (1990) Amplification and direct sequencing of fungal ribosomal RNA genes for phylogenetics. In PCR Protocols: A Guide to Methods and Applications (Innis, M. A., Gelfand, D. H., Sninsky, J. J. & White, T. J., eds): 315322. San Diego: Academic Press.
Recommend this journal

Email your librarian or administrator to recommend adding this journal to your organisation's collection.

The Lichenologist
  • ISSN: 0024-2829
  • EISSN: 1096-1135
  • URL: /core/journals/lichenologist
Please enter your name
Please enter a valid email address
Who would you like to send this to? *
×

Keywords

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed