The cantharelloid clade: dealing with incongruent gene trees and phylogenetic reconstruction methods

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The cantharelloid clade: dealing with incongruent gene trees and phylogenetic reconstruction methods

Moncalvo, J. M. (author)

Nilsson, R. Henrik, 1976 (author): Gothenburg University,Göteborgs universitet,Institutionen för växt- och miljövetenskaper,Department of Plant and Environmental Sciences

Koster, B. (author)

Dunham, S. M. (author)

Bernauer, T. (author)

Matheny, P. B. (author)

Porter, T. M. (author)

Margaritescu, S. (author)

Weiss, M. (author)

Garnica, S. (author)

Danell, E. (author): Uppsala universitet,Evolutionsmuseet

Langer, G. (author)

Langer, E. (author)

Larsson, Ellen, 1961 (author): Gothenburg University,Göteborgs universitet,Institutionen för växt- och miljövetenskaper,Department of Plant and Environmental Sciences

Larsson, Karl-Henrik, 1948 (author): Gothenburg University,Göteborgs universitet,Institutionen för växt- och miljövetenskaper,Department of Plant and Environmental Sciences

Vilgalys, R. (author)

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Informa UK Limited, 2006
2006
English.
In: Mycologia. - : Informa UK Limited. - 0027-5514 .- 1557-2536. ; 98:6, s. 937-948

Related links:: https://gup.ub.gu.se...; show more...; https://urn.kb.se/re...; https://doi.org/10.3...; show less...

Journal article (peer-reviewed)

Abstract Subject headings

We reassessed the circumscription of the cantharelloid clade and identified monophyletic groups by using nLSU, nSSU, mtSSU and RPB2 sequence data. Results agreed with earlier studies that placed the genera Cantharellus, Craterellus, Hydnum, Clavulina, Membranomyces, Multiclavula, Sistotrema, Botryobasidium and the family Ceratobasidiaceae in that clade. Phylogenetic analyses support monophyly of all genera except Sistotrema, which was highly polyphyletic. Strongly supported monophyletic groups were: (i) Cantharellus-Craterellus, Hydnum, and the Sistotrema confluens group; (ii) Clavulina-Membranomyces and the S. brinkmannii-oblongisporum group, with Multiclavula being possibly sister of that clade; (iii) the Sistotrema eximum-octosporum group; (iv) Sistotrema adnatum and S. coronilla. Positions of Sistotrema raduloides and S. athelioides were unresolved, as were basal relationships. Botryobasidium was well supported as the sister taxon of all the above taxa, while Ceratobasidiaceae was the most basal lineage. The relationship between Tulasnella and members of the cantharelloid clade will require further scrutiny, although there is cumulative evidence that they are probably sister groups. The rates of molecular evolution of both the large and small nuclear ribosomal RNA genes (nuc-rDNA) are much higher in Cantharellus, Craterellus and Tulasnella than in the other cantharelloid taxa, and analyses of nuc-rDNA sequences strongly placed Tulasnella close to Cantharellus-Craterellus. In contrast analyses with RPB2 and mtSSU sequences placed Tulasnella at the base of the cantharelloid clade. Our attempt to reconstruct a "supertree" from tree topologies resulting from separate analyses that avoided phylogenetic reconstruction problems associated with missing data and/or unalignable sequences proved unsuccessful.

Subject headings

NATURVETENSKAP -- Biologi (hsv//swe)
NATURAL SCIENCES -- Biological Sciences (hsv//eng)

Keyword

Basidiomycota
fungi
mtSSU
nLSU
nSSU
phylogeny
RPB2
MUSHROOM-FORMING FUNGI
RIBOSOMAL DNA-SEQUENCES
LENGTH DIFFERENCE
TEST
RDNA SEQUENCES
MISSING DATA
NUCLEAR
BASIDIOMYCOTA
MITOCHONDRIAL
EVOLUTION
ACCURACY
Basidiomycota
Biology

Publication and Content Type

ref (subject category)
art (subject category)

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By the author/editor: Moncalvo, J. M.; Nilsson, R. Henr ...; Koster, B.; Dunham, S. M.; Bernauer, T.; Matheny, P. B.; show more...; Porter, T. M.; Margaritescu, S.; Weiss, M.; Garnica, S.; Danell, E.; Langer, G.; Langer, E.; Larsson, Ellen, ...; Larsson, Karl-He ...; Vilgalys, R.; show less...

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NATURAL SCIENCES: NATURAL SCIENCES; and Biological Scien ...

Articles in the publication: Mycologia

By the university: University of Gothenburg; Uppsala University

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