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

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
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

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
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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