Assembling the Fungal Tree of Life

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Phylum Subphylum Class Subclass Order Family Genus Species Anamorph
Ascomycota Pezizomycotina Leotiomycetes Leotiomycetidae Helotiales Sclerotiniaceae Botrytis cinerea anamorph
Anamorph genusBotrytis
Anamorph speciescinerea
Anamorph authorityPers.

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 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
Notes Low magnification, hard to see Woronin body details. Hexagonal Woronin bodies also present.
Character Quality Good
Fixation glutaraldehyde with osmium postfix
Study Complete No
Author Kohn, L.M. and Grenville, D.J.
Date 1989
Source Can. J. Bot. 67:394-406
Collector W. Jarvis
Collector no. 52
Source of character Culture LMK 20

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 function SPK not nucleating microtubules 1  
SPK structure (light microscopy) central core present, phase-bright 2  
SPK detailed structure (electron microscopy) central core enriched with microvesicles 2  
Ribosome cluster distal to SPK or vesicle accumulation in apical dome present 1  
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 No
Author Roberson unpublished
Culture collection American Cyanamid Company (Agricultural Products Research Division, Princeton, NJ)

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