Exobasidiomycetes

Exobasidiomycetes
Exobasidium vaccinii
Systematics
without rank: Nucletmycea Empire : Mushrooms (fungi) Sub-kingdom : Dikarya Department : Stand mushrooms (Basidiomycota) Subdivision : Ustilaginomycotina Class : Exobasidiomycetes
Scientific name
Exobasidiomycetes
Begerow , M. Stoll & R. Bauer

The Exobasidiomycetes are a group of smut fungi (Ustilaginomycotina). All representatives are parasites on flowering plants .

features

Like their sister group, the Ustilaginomycetes , the Exobasidiomycetes predominantly have septal pores with membrane caps. However, there are also species without septal pores. The Exobasidiomycetes are characterized by local interaction zones with their host , while they are extensive in the Ustilaginomycetes.

ecology

The Exobasidiales and Microstromatales grow on woody plants and do not form teliospores ; their basidia arise directly on the leaf tissue of the host. The Georgefischeriales, Entylomatales and Doassaniales form teliospores inside the leaf tissue, the spores are only released when the leaf rots. In the Tilletiales, the spores are released by tearing open the host tissue; their biology is largely similar to that of the smut fungus (Ustilaginales).

Systematics

As a likely monophyletic group, the Exobasidiomycetes form one of the two classes of smut fungi . The Exobasidiomycetes themselves are divided into several orders:

• Doassansiales
• Entylomatales
• Naked Basidia - Exobasidiales
• Georgefischeriales
• Microstromatales
• Tilletiales

swell

literature

• Dominik Begerow, Matthias Stoll, Robert Bauer: A phylogenetic hypothesis of Ustilaginomycotina based on multiple gene analyzes and morphological data . In: Mycologia . tape 98 , 2006, pp. 906-916 , doi : 10.3852 / mycologia.98.6.906 .

Individual proof

1. ↑ P. Brandon Matheny and Judd M. Curtis, Valérie Hofstetter, M. Catherine Aime, Jean-Marc Moncalvo, Zai-Wei Ge and Zhu-Liang Yang, Jason C. Slot, Joseph F. Ammirati, Timothy J. Baroni, Neale L. Bougher, Karen W. Hughes, D. Jean Lodge, Richard W. Kerrigan, Michelle T. Seidl, Duur K. Aanen, Matthew DeNitis, Graciela M. Daniele, Dennis E. Desjardin, Bradley R. Kropp, Lorelei L. Norvell, Andrew Parker, Else C. Vellinga, Rytas Vilgalys, David S. Hibbett: Major clades of Agaricales: a multilocus phylogenetic overview . In: Mycologia . tape 98 , no. 6 . Mycological Society of America, 2006, pp. 982-995 , doi : 10.3852 / mycologia.98.6.982 ( mycologia.org [PDF; 1.9 MB ]).

Web links

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