Assembling the Fungal Tree of Life

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Phylum Subphylum Class Subclass Order Family Genus Species Anamorph
Chytridiomycota Chytridiomycetes incertaesedis incertaesedis Polyphagus euglenae



Nuclear Division

Cell type: (MI) mitosis

Component: Nuc Div / SPB

CharacteristicStateCodeImages
Centriole present 1 Images
Basic organization of the spindle pole centriolar-associated material 0 Images
Spindle pole body form, interphase-prophase centriole-associated material c Images
Spindle pole body form, metaphase-anaphase centriole associated material f Images
Spindle development site gap in nuclear envelope 0 Images
Spindle pole body migration (per Heath, 1980, Int. Rev. Cytol. 64:1) integration of spindle pole body into invaginated nuclear envelope before spindle formation 3 Images
Metaphase nuclear envelope loose polar fenestrae, including extensions of nuclear envelope into the cytoplasm at the spindle pole, but mainly intact 2 Images
Perinuclear endoplasmic reticulum present 1 Images
Spindle vesicles absent 0  
Central spindle absent 0 Images
Metaphase plate present 1 Images
Spindle pole body cap absent 0 Images
Nucleolus behavior nucleolus or part of it is more persistent and is discarded after metaphase 2 Images
Sources
Notes Nucleolus may be expelled in telophase
Character Quality good
Fixation gluteraldehyde with osmium postfix
Study Complete no
Author Roychoudhury, S. and Powell, M.J.
Date 1990
Source Can. J. Bot. 69: 2201-2214

Motile Cell

Cell type: (ZO) zoospore

Component: Motile Cell

CharacteristicStateCodeImages
Number of flagella one 1 Images
Electron-opaque plug in axoneme core and between axoneme and flagellar membrane absent 0 Images
Flagellum coating present 1 Images
Electron-opaque core in kinetosome absent 0 Images
Scalloped ring within kinetosome, extensions of the A, B, or C microtubule absent 0 Images
Kinetosome support kinetosome props 1 Images
Kinetosome-associated plates absent 0  
Kinetosome-associated saddle absent 0  
Kinetosome-associated shield absent 0  
Kinetosome-associated spur absent 0  
Kinetosome-associated striated disc absent 0  
Non-flagellated centriole parallel to kinetosome 1 Images
Length of non-flagellated centriole (NfC) compared to length of kinetosome (K) NfC = K 1 Images
Kinetosome-non-flagellated centriole fibrillar bridge fibers perpendicular to NfC and K 1 Images
Non-flagellated centriole-associated veil absent 0  
Paracrystalline inclusion absent 0  
Ribosomal organization core area of aggregated ribosomes partially or completely enclosed by endoplasmic reticulum (Chytridiomycota: Chytridiomycetes: Chytridiales, Rhizophydiales, Cladochytriales, Lobulomycetales; incertae sedis: Polyphagus euglenae; Monoblepharidomycetes) 1 Images
Mitochondrion multiple 2 Images
Cisterna fenestrated 2 Images
Paraxonemal structure absent 0 Images
Relationship of microbodies to lipid(s) or nucleus microbody associated with a single lipid (Chytridiomycota: Chytridiomycetes- Chytridiales, Cladochytriales, Lobulomycetales, Rhizophydiales) 0 Images
Location of cisterna relative to lipid(s) adjacent to lipids (Chytridiomycota: Chytridiomycetes: Chytridiales, Rhizophydiales, Cladochytriales) 0 Images
Location of mitochondria outside ribosomal core 0 Images
Nuclear heel absent 0 Images
Nucleus location distal to kinetosome 0 Images
Posterior dome composed of peripheral granules and array of megatubules absent 0  
Sources
Notes
Study Complete Yes
Author Powell MJ.
Date 1981.
Source Can J Bot 59: 2049-2061.
Lit. Identifier Ultrastructure of Polyphagus euglenae zoospores.

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