Assembling the Fungal Tree of Life

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Phylum Subphylum Class Subclass Order Family Genus Species Anamorph
Basidiomycota Pucciniomycotina Microbotryomycetes Kriegeria eriophori
AuthorityBres.
Anamorph genusZymoxenogloea
Anamorph specieseriophori
Anamorph authorityMcLaughlin & Doubles



Nuclear Division

Cell type: (ME) meiosis

Component: Nuc Div / SPB

CharacteristicStateCodeImages
Centriole absent 0  
Spindle pole body cap absent 0 Images
Nucleolus behavior nucleolus discarded between prophase and metaphase 1 Images
Sources
Fixation gluteraldehyde with osmium postfix
Author Doubles, J.C.
Date 1991
Source MS Thesis, University of Minnesota

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
Spindle development site cytoplasm 1 Images
Metaphase nuclear envelope nearly or entirely dispersed 4 Images
Telophase nuclear envelope reappearance of nuclear envelope after metaphase 4 Images
Perinuclear endoplasmic reticulum absent 0  
Metaphase plate absent 0 Images
Spindle pole body cap fragments of a discontinuous membrane that do not form a true cap 3 Images
Interphase chromatin condensation present 1 Images
Nucleolus behavior nucleolus discarded between prophase and metaphase 1 Images
Sources
Notes Spindle pole body form in interphase/prophase not a disc but layer not clear in subgloboid; nuclear envelope clearly gone at metaphase; based on single nucleus.
Character Quality High
Fixation freeze substitution
Study Complete No
Author Swann, E.C., Frieders, E.M., and McLaughlin, D.J.
Date 1999
Source Mycologia 91: 51-66
Other Sources See McLaughlin et al. 1996, Mycologia 88:339-349 for immunofluorescence analysis of the spindle.

Septum / Pore Cap

Cell type: (NN) dikaryotic mycelium

Component: Hypha excluding ascogenous hypha/ascus

CharacteristicStateCodeImages
Uniperforate septa absent, walled off pore, or apparently walled off pore 0 Images
Uniperforate septal pore margin uniperforate septal pore absent 0  
Protruding non-membrane-bound bodies associated with septal pore(s) absent 0 Images
Membrane-bound bodies associated with septal pore(s) absent 0 Images
Membranous structures associated with septal pore(s) absent 0 Images
Non-membrane-bound, electron-dense bodies associated with septal pore(s) present 1 Images
Organelle trafficking organelle trafficking absent 0 Images
Woronin body type Woronin bodies absent 0 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 simple pores in multiperforate septum with uniform pores not solely adjacent to hyphal wall 1 Images
Desmotubules in plasmodesmata absent 0 Images
Sources
Notes Electron-dense material is present at pore openings and possibly in pore lumen and extends a short distance into the cytoplasm and along the plasma membrane.
Character Quality Good
Fixation glutaraldehyde; postfixed in osmium
Study Complete Yes
Author Doubles, J.C., and McLaughlin, D.J.
Date 1991
Source Amer. J. Bot. 78: 1542-1548
Herbarium MIN
Collector D. J. McLaughlin
Collector no. DJM 643
Substrate On Scirpus atrovirens
Source of character Host tissue

Cell type: (BC) basidiocarp

Component: Basidium/basidiocarp

CharacteristicStateCodeImages
Septal pore cap at primary septum within basidium absent 0 Images
Sources
Notes Deposits in occluded pore.
Character Quality Good
Fixation gluteraldehyde; postfixed in osmium
Study Complete Yes
Author Doubles, J.C., and McLaughlin, D.J.
Date 1991
Source Amer. J. Bot. 78: 1542-1548
Herbarium MIN
Collector D. J. McLaughlin
Collector no. DJM 643
Substrate On Scirpus atrovirens
Source of character Host tissue

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