Pucciniomycetes

The Pucciniomycetes (formerly known as the Urediniomycetes) are a class of fungi in the Pucciniomycotina subdivision of the Basidiomycota. The class contains 5 orders, 21 families, 190 genera, and 8016 species.[3] It includes several important plant pathogens causing forms of fungal rust.

Pucciniomycetes
Aecia of Puccinia sessilis on Arum maculatum leaf
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Subdivision: Pucciniomycotina
Class: Pucciniomycetes
R. Bauer, Begerow, J.P. Samp., M. Weiss & Oberw. (2006)[1]
Orders

Helicobasidiales
Pachnocybales
Platygloeales
Pucciniales
Septobasidiales

Synonyms[2]

Pucciniomycetes D.Hawksw., B.Sutton & Ainsw. (1983)

Characteristics

Pucciniomycetes develop no basidiocarp, karyogamy occurs in a thick-walled resting spore (teliospore), and meiosis occurs upon germination of teliospore. They have simple septal pores without membrane caps and disc-like spindle pole bodies. Except for a few species, the basidia, when present, are transversally septate. Mannose is the major cell-wall carbohydrate, glucose; fucose and rhamnose are the less prevalent neutral sugars; and xylose is not present.

References
  1. Bauer R, Begerow D, Sampaio JP, Weiss M, Oberwinkler F (2006). "The simple-septate basidiomycetes: a synopsis". Mycological Progress. 5 (1): 41–66. doi:10.1007/s11557-006-0502-0.
  2. "Pucciniomycetes R. Bauer, Begerow, J.P. Samp., M. Weiss & Oberw. 2006". MycoBank. International Mycological Association. Retrieved 2011-07-08.
  3. Kirk PM, Cannon PF, Minter DW, Stalpers JA (2008). Dictionary of the Fungi (10th ed.). Wallingford: CABI. pp. 580–81. ISBN 0-85199-826-7.


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