Assembling the Fungal Tree of Life

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Phylum Subphylum Class Subclass Order Family Genus Species Anamorph
Ascomycota Pezizomycotina Pezizomycetes Pezizomycetidae Pezizales Ascobolaceae Ascobolus stercorarius
Authority(Bull.) J. Schrvt.



Nuclear Division

Cell type: (ME) meiosis

Component: Nuc Div / SPB

CharacteristicStateCodeImages
Centriole absent 0  
Basic organization of the spindle pole spindle pole body a plaque or disc 3 Images
Spindle pole body form, interphase-prophase quadrilaterial plaque 0 Images
Spindle pole body form, metaphase-anaphase quadilateral plaque with intact nuclear envelope and internal microtubule organizing center 0 Images
Metaphase nuclear envelope intact 0 Images
Perinuclear endoplasmic reticulum absent 0  
Spindle vesicles absent 0  
Central spindle absent 0 Images
Metaphase plate present 1 Images
Spindle pole body cap absent 0 Images
Interphase chromatin condensation absent 0  
Nucleolus behavior nucleolus is persistent throughout division 3 Images
Sources
Notes Author describes rectangular spindle pole plaque with narrow tubules.
Character Quality good
Fixation gluteraldehyde with osmium postfix
Study Complete no
Author Zickler, D.
Date 1970
Source Chromosoma 30: 287-304
Other Sources Wells, K. 1970. Mycologia 62:761-790

Septum / Pore Cap

Cell type: (AC) ascocarp -- nonascogenous hyphae or ascospore

Component: Hypha excluding ascogenous hypha/ascus

CharacteristicStateCodeImages
Uniperforate septa a single central pore 1 Images
Uniperforate septal pore margin unelaborated margin 1 Images
Protruding non-membrane-bound bodies associated with septal pore(s) absent 0 Images
Membrane-bound bodies associated with septal pore(s) Woronin bodies 1 Images
Membranous structures associated with septal pore(s) absent 0 Images
Non-membrane-bound, electron-dense bodies associated with septal pore(s) absent 0 Images
Woronin body type globose 1 Images
Septal pore cap basic structure pore cap absent 0 Images
Detailed structure of elaborated septal pore cap elaborated cap absent 0 Images
Detailed structure of simple septal pore cap simple cap absent 0 Images
Saccules of elaborated pore cap lined with external electron-dense layer absent 0  
Substructure of pore cap absent 0  
Zone of organelle exclusion at pore absent 0 Images
Pore cap enclosed by endoplasmic reticulum absent 0 Images
Multiperforate septum multiperforate septum absent 0 Images
Sources
Character Quality Good
Fixation permanganate or glutaraldehyde-osmium
Study Complete No
Author Wells, K.
Date 1972
Source Light and Electron Microscopic Studies of Ascobolus stercorarius. II. Ascus and ascospore ontogeny
Source of character Sporocarp

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