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Archaeorhizomycetes Neolectomycetes Pneumocystidomycetes Schizosaccharomycetes Taphrinomycetes

The Taphrinomycotina are one of three subdivisions constituting the Ascomycota (fungi that form their spores in a sac-like ascus) and is more or less synonymous with the slightly older invalid name Archiascomycetes (sometimes spelled Archaeascomycetes; archea = ancient). Recent molecular studies suggest that the group is monophyletic and basal to the rest of the Ascomycota.[2][3] The major taxa are Schizosaccharomycetes, Taphrinomycetes, Neolectomycetes, and Pneumocystis. The Schizosaccharomycetes are the yeasts (e.g. Schizosaccharomyces) that reproduce by fission rather than budding, unlike most other yeasts, many of which are in the subdivision Saccharomycotina. The Taphrinomycetes are dimorphic plant parasites (e.g. Taphrina) with both a yeast state and a filamentous (hyphal) state in infected plants. They characteristically infect leaves, catkins, and branches, not roots. Taphrinomycetes form asci but no ascomata. The Neolectomycetes are species in a single genus, Neolecta, which are the only members of the subdivision that form ascomata (fruiting bodies), and which specifically grow out of root tips. They may have a yeast state (ascospores bud in the asci).[citation needed] The Pneumocystidomycetes also encompasses only one genus of yeasts, Pneumocystis, one of which causes Pneumocystis pneumonia in humans by developing cysts on the lung tissue. None has ascogenous hyphae giving rise to the asci. References[edit]

^ Eriksson, O.E. & K. Winka (1997). "Supraordinal taxa of Ascomycota". Myconet. 1: 1–16.  ^ Lutzoni, F.; et al. (2004). "Assembling the fungal tree of life: progress, classification, and evolution of subcellular traits". Amer. J. Bot. 91 (10): 1446–1480. doi:10.3732/ajb.91.10.1446. PMID 21652303.  ^ James, T.Y.; et al. (2006). "Reconstructing the early evolution of Fungi using a six-gene phylogeny". Nature. 443 (7113): 818–822. doi:10.1038/nature05110. PMID 17051209. 

The Oregon Coalition of Interdisciplinary Databases: "Archiascomycetes: Early Diverging Ascomycetes"

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Opisthokont: True fungi classification, fungal orders

Domain Archaea Bacteria Eukaryota (Supergroup Plant Hacrobia Heterokont Alveolata Rhizaria Excavata Amoebozoa Opisthokonta

Animal Fungi)

Dikarya

Ascomycota (sac fungi)

Pezizomycotina

Leotiomyceta

Dothideomyceta

Coniocybomycetes Lichinomycetes Arthoniomycetes Dothideomycetes Eurotiomycetes Lecanoromycetes

Sordariomyceta

Xylonomycetes Geoglossomycetes Leotiomycetes Laboulbeniomycetes Sordariomycetes

Other

Orbiliomycetes Pezizomycetes

Saccharomycotina

Saccharomycetes

Taphrinomycotina

Archaeorhizomycetes Neolectomycetes Pneumocystidomycetes Schizosaccharomycetes Taphrinomycetes

Basidiomycota (with basidia)

Pucciniomycotina

Tritirachiomycetes Mixiomycetes Agaricostilbomycetes Cystobasidiomycetes Microbotryomycetes Classiculomycetes Cryptomycocolacomycetes Atractiellomycetes Pucciniomycetes

Ustilaginomycotina

Monilielliomycetes Malasseziomycetes Ustilaginomycetes Exobasidiomycetes

Agaricomycotina

Hymenomycete

Dacrymycetales Agaricomycetes

Other

Wallemiomycetes Bartheletiomycetes Tremellomycetes

Entorrhizomycota

Entorrhizomycetes

Glomeromycota

Glomeromycetes

Zygomycota (paraphyletic)

Mucoromycotina

Mortierellomycetes Mucoromycetes

Kickxellomycotina

Zoopagomycetes Kickxellomycetes

Entomophthoromycotina

Neozygitomycetes Basidiobolomycetes Entomophthoromycetes

Zoosporic fungi (paraphyletic)

Olpidiomycota

Olpidiomycetes

Blastocladiomycota

Blastocladiomycetes

Chytridiomycota

Neocallimastigomycetes Hyaloraphidiomycetes Monoblepharidomycetes Chytridiomycetes

Fungal phyla are underlined. See also: fungi imperfecti (polyphyletic group).

Taxon identifiers

Wd: Q133815 EoL: 10579850 EPPO: 1TAPHQ Fungorum: 501471 ITIS: 610626 MycoBank: 5

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