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Title: Phylogenetic relationships of the Gomphales based on nuc-25S-rDNA, mit-12S-rDNA, and mit-atp6-DNA combined sequences

Author: Giachini, Admir J.; Hosaka, Kentaro; Nouhra, Eduardo; Spatafora, Joseph; Trappe, James M.;

Date: 2010

Source: British Mycological Society. 114: 224-234

Publication Series: Scientific Journal (JRNL)

Description: Phylogenetic relationships among Geastrales, Gomphales, Hysterangiales, and Phallales were estimated via combined sequences: nuclear large subunit ribosomal DNA (nuc-25S-rDNA), mitochondrial small subunit ribosomal DNA (mit-12S-rDNA), and mitochondrial atp6 DNA (mit-atp6-DNA). Eighty-one taxa comprising 19 genera and 58 species were investigated, including members of the Clathraceae, Gautieriaceae, Geastraceae, Gomphaceae, Hysterangiaceae, Phallaceae, Protophallaceae, and Sphaerobolaceae. Although some nodes deep in the tree could not be fully resolved, some well-supported lineages were recovered, and the interrelationships among Gloeocantharellus, Gomphus, Phaeoclavulina, and TurbinelIus, and the placement of Ramaria are better understood. The results reaffirm relationships between the Geastrales, Gomphales, Hysterangiales, and the Phallales, suggesting extensive convergence in basidiomal morphology among members of these groups. A more extensive sampling that focuses on other loci (protein-coding genes have been shown to be phylogenetically informative) may be useful to answer questions about evolutionary relationships among these fungal groups.

Keywords: atp6, Gomphales, Homobasidiomycetes, rDNA, systematics

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Giachini, Admir J.; Hosaka, Kentaro; Nouhra, Eduardo; Spatafora, Joseph; Trappe, James M. 2010. Phylogenetic relationships of the Gomphales based on nuc-25S-rDNA, mit-12S-rDNA, and mit-atp6-DNA combined sequences. British Mycological Society. 114: 224-234.

 


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