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The phylogenetic position of Spathulospora based on DNA sequences from dried herbarium material

Published online by Cambridge University Press:  05 August 2004

Patrik INDERBITZIN ,
Sea Ra LIM ,
Brigitte VOLKMANN-KOHLMEYER ,
Jan KOHLMEYER  and
Mary L. BERBEE
Patrik INDERBITZIN
Affiliation:
Department of Botany, 6270 University Boulevard, University of British Columbia, Vancouver, BC V6T 1Z4, Canada. E-mail: [email protected]
Sea Ra LIM
Affiliation:
Department of Botany, 6270 University Boulevard, University of British Columbia, Vancouver, BC V6T 1Z4, Canada. E-mail: [email protected]
Brigitte VOLKMANN-KOHLMEYER
Affiliation:
Institute of Marine Sciences, University of North Carolina at Chapel Hill, Morehead City, NC 28557, USA.
Jan KOHLMEYER
Affiliation:
Institute of Marine Sciences, University of North Carolina at Chapel Hill, Morehead City, NC 28557, USA.
Mary L. BERBEE
Affiliation:
Department of Botany, 6270 University Boulevard, University of British Columbia, Vancouver, BC V6T 1Z4, Canada. E-mail: [email protected]
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Abstract

The phylogenetic position of the marine ascomycete genus Spathulospora was investigated using partial SSU and LSU DNA sequences obtained from dried herbarium specimens. Spathulospora was represented by the two species S. adelpha and S. antarctica. Phylogenetic analyses using Bayesian, parsimony, and neighbour-joining algorithms on SSU and LSU data sets agreed with the placement of Spathulospora. Both Spathulospora species are each others closest relatives, and group within the Lulworthiales (Sordariomycetes, Ascomycota) with support in all analyses. Members of the morphologically similar insect parasites in the Laboulbeniomycetes are not closely related to Spathulospora. Despite several striking morphological differences between Spathulospora and Lulworthiales, an important shared morphological character was found that until now had not been recognized. Ascospores of Spathulospora and some members of the Lulworthiales have apical chambers containing mucus believed to be involved in ascospore attachment. A closest relative to Spathulospora could not be determined.

Type
Research Article
Information
Mycological Research , Volume 108 , Issue 7 , July 2004 , pp. 737 - 748
Copyright
© The British Mycological Society 2004

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