Assembling the Fungal Tree of Life

View changelog

Phylum Subphylum Class Subclass Order Family Genus Species Anamorph
Zoopagomycota Entomophthoromycotina Entomophthoromycetes Entomophthorales Entomophthoraceae Entomophaga aulicae
Authority(Reichardt) Humber



Nuclear Division

Cell type: (MI) mitosis

Component: Nuc Div / SPB

CharacteristicStateCodeImages
Centriole absent 0  
Basic organization of the spindle pole bar 5  
Spindle pole body form, interphase-prophase bar e  
Spindle pole body form, metaphase-anaphase bar and spindle microtubules often terminating within nucleus some distance from nuclear envelope h  
Spindle development site intranuclear (nuclear envelope intact) 2 Images
Spindle pole body migration (per Heath, 1980, Int. Rev. Cytol. 64:1) migration during spindle formation 1 Images
Metaphase nuclear envelope intact 0 Images
Telophase nuclear envelope retention of complete nuclear envelope around the chromatin with median constriction/fragmentation 0 Images
Perinuclear endoplasmic reticulum absent 0  
Spindle vesicles absent 0  
Central spindle absent 0 Images
Metaphase plate absent 0 Images
Spindle pole body cap absent 0 Images
Interphase chromatin condensation present 1 Images
Nucleolus behavior nucleolus is persistent throughout division 3 Images
Transient intranuclear element at late interphase-prophase absent 0 Images
Sources
Notes Spindle is excentrically positioned on one side of the early metaphase nucleus with most of the chromation and the nucleolus lateral to it; SPB is lens shaped in interpase then bar-shaped and elongates during spindle development.
Character Quality Good
Fixation gluteraldehyde with osmium postfix
Study Complete Yes
Author Murrin, F., Newcomb, W. and Heath, I. B.
Date 1988
Source J. Cell Sci. 90: 501-516
Lit. Identifier DJM
Other Sources Murrin, F. and Heath, I.B. 1882. Exp. Mycol. 6: 303-306; Murrin, F., Heath, I. B., and Newcomb, W. 1984. Protoplasma 120: 84-90; Heath, I.B. 1986. Progress in Prototistology 1: 115-162

Text and images © 2006–2019 Regents of the University of Minnesota and David McLaughlin. All rights reserved.

Text and images made available under the terms of the Creative Commons BY-NC-SA 3.0 except those images whose copyright is held by others.  
hosted by MSI