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| Phylum | Subphylum | Class | Subclass | Order | Family | Genus | Species | Anamorph |
|---|---|---|---|---|---|---|---|---|
| Chytridiomycota | Chytridiomycetes | Rhizophydiales | Rhizophydiaceae | Rhizophydium | sphaerotheca |
Nuclear Division
Cell type: (MI) mitosis
Component: Nuc Div / SPB
| Characteristic | State | Code | Images |
|---|---|---|---|
| Centriole | present | 1 |  |
| Basic organization of the spindle pole | centriolar-associated material | 0 | |
| Spindle pole body form, interphase-prophase | centriole-associated material | c | |
| Spindle pole body form, metaphase-anaphase | centriole associated material | f | |
| Spindle development site | gap in nuclear envelope | 0 | |
| Spindle pole body migration (per Heath, 1980, Int. Rev. Cytol. 64:1) | migration before spindle formation | 0 | |
| Metaphase nuclear envelope | loose polar fenestrae, including extensions of nuclear envelope into the cytoplasm at the spindle pole, but mainly intact | 2 | |
| Perinuclear endoplasmic reticulum | present | 1 | |
| Spindle vesicles | absent | 0 | |
| Central spindle | absent | 0 | |
| Metaphase plate | present | 1 | |
| Spindle pole body cap | absent | 0 | |
| Sources | |
|---|---|
| Notes | Nucleolus persists and is expelled in late telophase; new nucleoli appear adjacent and inside envelopes of daughter nuclei. |
| Character Quality | good |
| Fixation | gluteraldehyde with osmium postfix |
| Study Complete | no |
| Author | Powell, M.J. |
| Date | 1980 |
| Source | Amer. J. Bot. 67: 839-853 |
Motile Cell
Cell type: (ZO) zoospore
Component: Motile Cell
| Characteristic | State | Code | Images |
|---|---|---|---|
| Number of flagella | one | 1 | |
| Electron-opaque plug in axoneme core and between axoneme and flagellar membrane | absent | 0 | |
| Flagellum coating | absent | 0 | |
| Electron-opaque core in kinetosome | absent | 0 | |
| Scalloped ring within kinetosome, extensions of the A, B, or C microtubule | absent | 0 | |
| Kinetosome support | kinetosome props | 1 | |
| Kinetosome-associated plates | absent | 0 | |
| Kinetosome-associated saddle | absent | 0 | |
| Kinetosome-associated shield | absent | 0 | |
| Kinetosome-associated spur | present | 1 | |
| Kinetosome-associated striated disc | absent | 0 | |
| Primary microtubule root | 2-5 laterally-oriented, parallel, stacked microtubules arising from side of kinetosome (Chytridiomycota: Chytridiomycetes: Rhizophydiales- Alphamyces, Aquamyces, Globomyces, Urceomyces, Gorgonomyces, Pateramyces, Protrudomyces, Rhizophydium, Terramyces, Coralloidiomyces) | 1 | |
| Primary microtubule root absolute configuration | 50 degrees left average (20-80 degrees) | 3 | |
| Striated rhizoplast between kinetosome and nucleus | absent | 0 | |
| Non-flagellated centriole | parallel to kinetosome | 1 | |
| Length of non-flagellated centriole (NfC) compared to length of kinetosome (K) | NfC = K | 1 | |
| Kinetosome-non-flagellated centriole fibrillar bridge | fibers perpendicular to NfC and K | 1 | |
| 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 | |
| Mitochondrion | multiple | 2 | |
| Cisterna | fenestrated | 2 | |
| Paraxonemal structure | absent | 0 | |
| Relationship of microbodies to lipid(s) or nucleus | microbody associated with a single lipid (Chytridiomycota: Chytridiomycetes- Chytridiales, Cladochytriales, Lobulomycetales, Rhizophydiales) | 0 | |
| Location of cisterna relative to lipid(s) | adjacent to lipids (Chytridiomycota: Chytridiomycetes: Chytridiales, Rhizophydiales, Cladochytriales) | 0 | |
| Location of mitochondria | outside ribosomal core | 0 | |
| Nuclear heel | absent | 0 | |
| Nucleus location | distal to kinetosome | 0 | |
| Posterior dome composed of peripheral granules and array of megatubules | absent | 0 |
| Sources | |
|---|---|
| Notes | |
| Study Complete | Yes |
| Author | Letcher P. M., C. G. Velez, M. E. Barrantes, M. J. Powell, P .F. Churchill, W. S. Wakefield. |
| Date | 2008. |
| Source | Mycological Research 112: 759-782. |
| Lit. Identifier | Ultrastructural and molecular analyses of Rhizophydiales (Chytridiomycota) isolates from North America and Argentina. |
Sterol data
Cell type: (XN) mycelium of unknown nuclear status
Component: Sterol pathway
| Characteristic | State | Code | Images |
|---|---|---|---|
| 24-Methyl-cholesterol pathway | present | 1 |
| Sources | |
|---|---|
| Fixation | Gas-liquid chromatography |
| Study Complete | Yes |
| Author | Weete, J.D., Fuller, M.S., Huang, M.Q., and Gandhi, S. |
| Date | 1989 |
| Source | Experimental Mycology 13:183-195 |
| Lit. Identifier | Maritza Abril, 9 September, 2008 |
| Culture collection | UGA |
| Culture no. | 175 |
| Source of character | Culture |
Cell type: (XN) mycelium of unknown nuclear status
Component: Sterol types
| Characteristic | State | Code | Images |
|---|---|---|---|
| Ergosta-5,24(28)-dienol (24-Methylene-cholesterol) | present | 1 |
| Sources | |
|---|---|
| Fixation | Gas-liquid chromatography |
| Study Complete | Yes |
| Author | Weete, J.D., Fuller, M.S., Huang, M.Q., and Gandhi, S. |
| Date | 1989 |
| Source | Experimental Mycology 13:183-195 |
| Lit. Identifier | Maritza Abril, 9 September, 2008 |
| Culture collection | UGA |
| Culture no. | 175 |
| Source of character | Culture |