Assembling the Fungal Tree of Life

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Phylum Subphylum Class Subclass Order Family Genus Species Anamorph
Basidiomycota Pucciniomycotina Microbotryomycetes Microbotryales Microbotryaceae Microbotryum violaceum
Authority(Pers.) G. Deml & Oberw.



Nuclear Division

Cell type: (ME) meiosis

Component: Nuc Div / SPB

CharacteristicStateCodeImages
Centriole absent 0  
Basic organization of the spindle pole spindle pole body globular 4 Images
Spindle pole body form, interphase-prophase a subgloboid with flat internalized layer 6 Images
Spindle pole body form, metaphase-anaphase a subgloboid with flat internalized layer directly connected to spindle (Microbotryum) 9 Images
Perinuclear endoplasmic reticulum absent 0  
Transient intranuclear element at late interphase-prophase present within nucleus opposite the extranuclear spindle pole body 1 Images
Sources
Notes Microtubules and multivesicular bodies associated with prophase I spindle pole bodies; Prophase spindle pole bodies have an extra electron-dense layer next to nuclear envelope
Fixation freeze substitution
Author Berbee, M.L., Bauer, R., and Oberwinkler, F.
Date 1991
Source Can. J. Bot. 69: 1795-1803

Cell type: (MI) mitosis

Component: Nuc Div / SPB

CharacteristicStateCodeImages
Centriole absent 0  
Basic organization of the spindle pole spindle pole body globular 4 Images
Spindle pole body form, interphase-prophase a subgloboid with flat internalized layer 6 Images
Spindle pole body form, metaphase-anaphase a subgloboid with flat internalized layer directly connected to spindle (Microbotryum) 9 Images
Metaphase nuclear envelope nearly or entirely dispersed 4 Images
Telophase nuclear envelope reappearance of nuclear envelope after metaphase 4 Images
Spindle pole body cap fragments of a discontinuous membrane that do not form a true cap 3 Images
Interphase chromatin condensation absent 0  
Nucleolus behavior nucleolus discarded between prophase and metaphase 1 Images
Sources
Study Complete No
Author Poon, N.H. and Day, A.W.
Date 1976
Source Can. J. Microbiol. 22: 507-522
Other Sources Poon, N.H. and Day, A.W. 1976. Can. J. Microbiol. 22:495-506

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