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Abstract
Phylogenetic relationships among members of the antrodia clade were investigated with molecular data from two nuclear ribosomal DNA regions, LSU and ITS. A total of 123 species representing 26 genera producing a brown rot were included in the present study. Three DNA datasets (combined LSU-ITS dataset, LSU dataset, ITS dataset) comprising sequences of 449 isolates were evaluated with three different phylogenetic analyses (maximum likelihood, maximum parsimony, Bayesian inference). We present a phylogenetic overview of the five main groups recovered: the fibroporia, laetiporus, postia, laricifomes and core antrodia groups. Not all of the main groups received strong support in the analyses, requiring further research. We were able to identify a number of well supported clades within the main groups.
Acknowledgments
This research was supported by a grant from the National Science Foundation, PolyPEET ( DEB 0933081) to DSH. The authors thank Harold H. Burdsall, Karl-Henrik Larsson, Karen Nakasone, Tuomo Niemelä and Leif Ryvarden for advice regarding taxonomy of Polyporales. Ellen Larsson, Karl-Henrik Larsson, Tuomo Niemelä and Dmitry Schigel kindly provided a number of previously unpublished sequences.