Assembling the Fungal Tree of Life

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Phylum Subphylum Class Subclass Order Family Genus Species Anamorph
Basidiomycota Agaricomycotina Agaricomycetes Corticiales Corticiaceae Laetisaria arvalis

Septum / Pore Cap

Cell type: (XN) mycelium of unknown nuclear status

Component: Hypha excluding ascogenous hypha/ascus

Uniperforate septa a single central pore 1 Images
Uniperforate septal pore margin septal pore swelling 3 Images
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) septal pore cap 1 Images
Non-membrane-bound, electron-dense bodies associated with septal pore(s) absent 0 Images
Septal pore occlusion absent 0 Images
Organelle trafficking ribosomes/small particles or organelles 3 Images
Woronin body type Woronin bodies absent 0 Images
Septal pore cap basic structure simple cap (cap with unelaborated abseptal surface) 2 Images
Detailed structure of elaborated septal pore cap elaborated cap absent 0 Images
Detailed structure of simple septal pore cap cap multiperforate, small pores 3 Images
Saccules of elaborated pore cap lined with external electron-dense layer absent 0  
Substructure of pore cap cap with uniform electron-dense contents 2 Images
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
Desmotubules in plasmodesmata absent 0 Images
Character Quality High
Fixation freeze-substitution
Study Complete Yes
Author Hoch, H.C. and Howard, R.J.
Date 1981
Source Exp. Mycol. 5: 167-172
Other Sources Voucher and culture: Burdsall, H.H. at al., Mycologia 72: 728-736, 1980
Herbarium NRRL
Herbarium Number 11375
Culture collection CFMR
Collector Boosalis
Source of character Holotype: Boosalis isolate
Voucher Notes Voucher and culture: CFMR; Burdsall, H.H. at al. (1980) Mycologia 72: 728-736

Apical organization

Cell type: (MH) Mature hyphae

Component: Apical organization

Spitzenkörper (SPK) present 1  
Vesicles concentrated in thin layer beneath apical plasma membrane and/or loosely organized throughout apical dome absent 0  
SPK detailed structure (electron microscopy) central core with few or no microvesicles 3  
Ribosome cluster distal to SPK or vesicle accumulation in apical dome absent or not observed 0  
Macrovesicles with uniformly dense lumen present, 70–120 nm diam. 1  
Microvesicles (25–45 nm diam.) with uniformly dense lumen present (polyhedral profile) 2  
Macrovesicles (90–250 nm diam.) with an electron dense core, and less dense periphery absent 0  
Microvesicles with an electron dense core, and less dense periphery (30-65 nm diam.) absent 0  
Filasomes (protein-coated microvesicles; 30–40 nm diam.) present and common 2  
Sub-apical cluster of putative lipid globules absent 0  
Character Quality Good
Fixation cryofixation/freeze substitution
Study Complete Yes
Author Hoch and Howard
Date 1980
Source Protoplasma 130:281-297
Culture collection NRRL
Culture no. 11375
Source of character Hyphae

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