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Mycologia. 2013 Nov-Dec;105(6):1350-73. doi: 10.3852/13-003. Epub 2013 Aug 11.

Phylogenetic and phylogenomic overview of the Polyporales.

Author information

1
Biology Department, Clark University, 950 Main Street, Worcester, Massachusetts 01610, and CBS-KNAW Fungal Biodiversity Centre, Uppsalalaan 8, 3584 CT, Utrecht, the Netherlands.

Abstract

We present a phylogenetic and phylogenomic overview of the Polyporales. The newly sequenced genomes of Bjerkandera adusta, Ganoderma sp., and Phlebia brevispora are introduced and an overview of 10 currently available Polyporales genomes is provided. The new genomes are 39 500 000-49 900 00 bp and encode for 12 910-16 170 genes. We searched available genomes for single-copy genes and performed phylogenetic informativeness analyses to evaluate their potential for phylogenetic systematics of the Polyporales. Phylogenomic datasets (25, 71, 356 genes) were assembled for the 10 Polyporales species with genome data and compared with the most comprehensive dataset of Polyporales to date (six-gene dataset for 373 taxa, including taxa with missing data). Maximum likelihood and Bayesian phylogenetic analyses of genomic datasets yielded identical topologies, and the corresponding clades also were recovered in the 373-taxa dataset although with different support values in some datasets. Three previously recognized lineages of Polyporales, antrodia, core polyporoid and phlebioid clades, are supported in most datasets, while the status of the residual polyporoid clade remains uncertain and certain taxa (e.g. Gelatoporia, Grifola, Tyromyces) apparently do not belong to any of the major lineages of Polyporales. The most promising candidate single-copy genes are presented, and nodes in the Polyporales phylogeny critical for the suprageneric taxonomy of the order are identified and discussed.

KEYWORDS:

Polyporales; genomics; new molecular markers; taxonomy

PMID:
23935031
DOI:
10.3852/13-003
[Indexed for MEDLINE]

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