View changelog
| Phylum | Subphylum | Class | Subclass | Order | Family | Genus | Species | Anamorph |
|---|---|---|---|---|---|---|---|---|
| Basidiomycota | Pucciniomycotina | Pucciniomycetes | Pucciniales | Pucciniaceae | Puccinia | malvacearum |
Nuclear Division
Cell type: (ME) meiosis
Component: Nuc Div / SPB
| Characteristic | State | Code | Images |
|---|---|---|---|
| Centriole | absent | 0 | |
| Basic organization of the spindle pole | spindle pole body a plaque or disc | 3 |  |
| Spindle pole body form, interphase-prophase | a 3-layered disc | 3 | |
| Spindle pole body form, metaphase-anaphase | a 4-layered disc directly connected to spindle | 3 | |
| Spindle development site | gap in nuclear envelope | 0 | |
| Spindle pole body migration (per Heath, 1980, Int. Rev. Cytol. 64:1) | migration during spindle formation | 1 | |
| Metaphase nuclear envelope | intact with small polar fenestrae plugged by the spindle pole bodies | 1 | |
| Telophase nuclear envelope | retention of complete nuclear envelope around the chromatin with median constriction/fragmentation | 0 | |
| Perinuclear endoplasmic reticulum | absent | 0 | |
| Spindle vesicles | present | 1 | |
| Central spindle | present | 1 | |
| Metaphase plate | absent | 0 | |
| Spindle pole body cap | absent | 0 | |
| Nucleolus behavior | nucleolus is dispersed and no longer recognizable during prophase | 0 | |
| Transient intranuclear element at late interphase-prophase | present within nucleus opposite the extranuclear spindle pole body | 1 | |
| Sources | |
|---|---|
| Notes | see Tippit et al. 1984 for anaphase/telophase spindle elongation and microtubule organization. |
| Character Quality | good |
| Fixation | gluteraldehyde with osmium postfix |
| Study Complete | no |
| Author | O\'Donnell, K.L. and McLaughlin, D.J. |
| Date | 1981a, b, c |
| Source | Protoplasma 108: 225-288 |
| Other Sources | Tippet, D.H., Fields, C.T., O\'Donnell, K., Pickett-Heaps, J.D., and McLaughlin, D.J. 1984, Eur. J. Cell Biol. 34:34-44 |