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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
The ascomycota tree of life: A phylum-wide phylogeny clarifies the origin and evolution of fundamental reproductive and ecological traits
Systematic Biology, Volume 58, No. 2, Year 2009
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Description
We present a 6-gene, 420-species maximum-likelihood phylogeny of Ascomycota, the largest phylum of Fungi. This analysis is the most taxonomically complete to date with species sampled from all 15 currently circumscribed classes. A number of superclass-level nodes that have previously evaded resolution and were unnamed in classifications of the Fungi are resolved for the first time. Based on the 6-gene phylogeny we conducted a phylogenetic informativeness analysis of all 6 genes and a series of ancestral character state reconstructions that focused on morphology of sporocarps, ascus dehiscence, and evolution of nutritional modes and ecologies. A gene-by-gene assessment of phylogenetic informativeness yielded higher levels of informativeness for protein genes (RPB1, RPB2, and TEF1) as compared with the ribosomal genes, which have been the standard bearer in fungal systematics. Our reconstruction of sporocarp characters is consistent with 2 origins for multicellular sexual reproductive structures in Ascomycota, once in the common ancestor of Pezizomycotina and once in the common ancestor of Neolectomycetes. This first report of dual origins of ascomycete sporocarps highlights the complicated nature of assessing homology of morphological traits across Fungi. Furthermore, ancestral reconstruction supports an open sporocarp with an exposed hymenium (apothecium) as the primitive morphology for Pezizomycotina with multiple derivations of the partially (perithecia) or completely enclosed (cleistothecia) sporocarps. Ascus dehiscence is most informative at the class level within Pezizomycotina with most superclass nodes reconstructed equivocally. Character-state reconstructions support a terrestrial, saprobic ecology as ancestral. In contrast to previous studies, these analyses support multiple origins of lichenization events with the loss of lichenization as less frequent and limited to terminal, closely related species. © 2009 Society of Systematic Biologists.
Authors & Co-Authors
Schoch, Conrad L.
United States, Corvallis
Oregon State University
United States, Bethesda
National Library of Medicine Nlm
Sung, Gi-ho
United States, Corvallis
Oregon State University
López-Giráldez, Francesc
United States, New Haven
Yale University
Townsend, Jeffrey P.
United States, New Haven
Yale University
Mia̧dlikowska, Jolanta M.
United States, Durham
Duke University
Hofstetter, Valérie
Switzerland, Nyon
Forschungsanstalt Agroscope Changins Wadenswil Acw
Robbertse, Barbara
United States, Corvallis
Oregon State University
Matheny, Patrick Brandon
United States, Worcester
Clark University
United States, Knoxville
The University of Tennessee, Knoxville
Kauff, Frank
Germany, Kaiserslautern
Technische Universität Kaiserslautern
Wang, Zheng
United States, New Haven
Yale University
Gueidan, Cécile
Netherlands, Utrecht
Westerdijk Fungal Biodiversity Institute - Knaw
Andrie, Rachael M.
United States, Corvallis
Oregon State University
Trippe, Kristin
United States, Corvallis
Oregon State University
Ciufetti, Linda M.
United States, Corvallis
Oregon State University
Amtoft, Anja
Denmark, Copenhagen
Københavns Universitet
Fraker, Emily
United States, Durham
Duke University
Hodkinson, Brendan
United States, Durham
Duke University
Bonito, Gregory M.
United States, Durham
Duke University
Groenewald, Johannes Zacharias Ewald
Netherlands, Utrecht
Westerdijk Fungal Biodiversity Institute - Knaw
Arzanlou, Mahdi
Netherlands, Utrecht
Westerdijk Fungal Biodiversity Institute - Knaw
Iran, Tabriz
University of Tabriz
de Hoog, Gerrits Sybren
Netherlands, Utrecht
Westerdijk Fungal Biodiversity Institute - Knaw
Crous, Pedro Willem
Netherlands, Utrecht
Westerdijk Fungal Biodiversity Institute - Knaw
Hewitt, David A.
United States, Cambridge
Harvard University
Pfister, Donald H.
United States, Cambridge
Harvard University
Peterson, Kristin
United States, Cambridge
Harvard University
Gryzenhout, Marieka
South Africa, Pretoria
University of Pretoria
Wingfield, Michael J.
South Africa, Pretoria
University of Pretoria
Aptroot, André
Netherlands, Soest
Adviesbureau Voor Bryologie en Lichenologie
Suh, Sung Oui
United States, Manassas
Mycology and Botany Program
Blackwell, Meredith
United States, Baton Rouge
Louisiana State University
Hillis, David M.
United States, Austin
The University of Texas at Austin
Griffith, Gareth Wyn
United Kingdom, Aberystwyth
Institute of Biological, Environmental and Rural Sciences
Castlebury, Lisa A.
United States, Beltsville
Usda Ars Beltsville Agricultural Research Center
Rossman, Amy Y.
United States, Beltsville
Usda Ars Beltsville Agricultural Research Center
Thorsten Lumbsch, H. Thorsten
United States, Chicago
Field Museum of Natural History
Lücking, Robert K.
United States, Chicago
Field Museum of Natural History
Büdel, Burkhard
Germany, Kaiserslautern
Technische Universität Kaiserslautern
Rauhut, Alexandra
Germany, Kaiserslautern
Technische Universität Kaiserslautern
Diederich, Paul
Luxembourg, Luxembourg
Musee National D'histoire Naturelle Luxembourg
Ertz, Damien
Belgium, Meise
Botanic Garden Meise
Geiser, David M.
United States, University Park
Pennsylvania State University
Hosaka, Kentaro
Japan, Tokyo
National Museum of Nature and Science
Inderbitzin, Patrik
United States, Parlier
University of California Kearney Agricultural Research and Extension Center
Kohlmeyer, Jan E.
United States, Chapel Hill
The University of North Carolina at Chapel Hill
Volkmann-Kohlmeyer, Brigitte
United States, Chapel Hill
The University of North Carolina at Chapel Hill
Mostert, Lizel
South Africa, Stellenbosch
Stellenbosch University
O\'Donnell, Kerry L.
United States, Peoria
Usda Ars National Center for Agricultural Utilization Research
Sipman, Harrie J.M.
Germany, Berlin
Freie Universität Berlin
Rogers, Jack D.
United States, Pullman
Washington State University Pullman
Shoemaker, Robert A.
Canada, Ottawa
Agriculture and Agri-food Canada
Sugiyama, Junta
Japan, Shizuoka
Technosuruga Laboratory Co., Ltd.
Summerbell, Richard C.
Unknown Affiliation
Untereiner, Wendy A.
Canada, Brandon
Brandon University
Johnston, Peter R.
New Zealand, Auckland
New Zealand Fungal Herbarium
Stenroos, Soili K.
Finland, Helsinki
Luonnontieteellinen Keskusmuseo
Zuccaro, Alga
Germany, Giessen
Justus-liebig-universität Gießen
Dyer, Paul S.
United Kingdom, Nottingham
University of Nottingham
Crittenden, Peter D.
United Kingdom, Nottingham
University of Nottingham
Cole, Mariette S.
Unknown Affiliation
Hansen, Karen
Sweden, Stockholm
Naturhistoriska Riksmuseet
Trappe, James Martin
United States, Corvallis
Oregon State University
Yahr, Rebecca
United Kingdom, Edinburgh
Royal Botanic Garden Edinburgh
Lutzoni, François M.
United States, Durham
Duke University
Spatafora, Joseph W.
United States, Corvallis
Oregon State University
Statistics
Citations: 614
Authors: 64
Affiliations: 39
Identifiers
Doi:
10.1093/sysbio/syp020
ISSN:
10635157
e-ISSN:
1076836X
Research Areas
Genetics And Genomics
Sexual And Reproductive Health