Cytokinesis in animal cells /
Animal information
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Cambridge ; New York, NY, USA :
Cambridge University Press,
1996.
|
| Series: | Developmental and cell biology series ;
32. |
| Subjects: |
Table of Contents:
- Normal cell division
- Sea urchin egg cleavage
- Unilateral cleavage, ctenophores, and amphibia
- Tissue cell division
- Theories of cell division
- Theories that postulate a physically active mitotic apparatus
- Traction fiber theories
- Expanding spindle theories
- Astral cleavage theories
- Theories that postulate a physically active surface
- Equatorial contraction theories
- Equatorial tension increase
- Polar tension decrease
- Equatorial tension decrease or polar tension increase
- Local surface growth and expansion theories
- No force implied: diastema and vesicles
- Force implied: active expansion.
- Hybrid theories
- Hypothetical stimulus mechanisms
- Global stimulation combined with mitotic apparatus interference
- Regionally restricted stimulation mechanisms
- Polar stimulation
- Equatorial stimulation
- The Site of the division mechanism
- The Mitotic apparatus
- The Region between the spindle and the surface
- The Surface
- The Nature of the division mechanism
- Expanding surface mechanisms
- Equatorial constriction mechanism
- Polar tension decrease
- Equatorial tension increase
- Force measurements.
- Positioning the division mechanism
- How is the position of the mitotic apparatus determined
- Orientation during formation
- Reorientation of the formed mitotic apparatus
- Which parts of the mitotic apparatus are necessary
- Chromosomes
- Spindle
- Asters
- The Diastema
- How is division mechanism formation temporally related to mitosis
- When is the position of the furrow established
- What is the duration of the stimulus period
- What geometrical relations between the surface and the mitotic apparatus are necessary
- Cleavage cells
- How does distance affect the mitotic apparatus-surface interaction
- Is the normal opportunity for interaction between the surface and all parts of the mitotic apparatus essential
- Is the normal distance between the asters important
- tissue cells.
- Formation of the division mechanism
- Prefurrow phenomena
- Stiffness changes
- Changes in cortical gel strength
- Resistance to bursting
- Mitotic apparatus-induced surface contractility
- Cortical birefringence
- Prefurrow cortical response to chemical and physical agents
- Prefurrow behavior changes in the normal equatorial surface
- Prefurrow distribution of contraction-related molecules
- The Beginning of cleavage
- Sources of contractile ring material
- Factors involved in assembly of the contractile ring
- Cortical movement
- Subcortical movement.
- Ultrastructural changes at the beginning of cleavage
- Contractile ring changes during cytokinesis
- Composition of the contractile ring
- Actin
- Myosin
- Attachment proteins
- Organization and force production
- Energy requirements
- The Stimulus-response system
- Modes of furrow establishment
- The Rate of stimulus movement
- How long does the stimulus-response system remain active
- How is the nonuniform distribution of the cleavage stimulus accomplished
- Degree of structural normality required for effective operation
- The Surface
- The Subsurface
- Aster-induced relaxation or aster-induced contraction.
- Mitotic apparatus activity
- The Cleavage stimulus or signal
- Chemistry of potential stimuli and signals
- Signal transport
- Division mechanism function and its consequences
- Duration of the functional period
- Division activity and surface increase
- Documentation of normal surface changes
- Small eggs
- Large eggs
- Tissue cells
- Bulk cytoplasmic movement
- Disappearance of the contractile ring
- Effects of component interaction
- Effects of cell surface deformation
- Informative variations on the normal process
- Unequal division
- Micromere formation
- Unequal cleavage
- Ganglion cell formation
- Polar body formation
- Polar lobe formation
- Delayed cytokinesis
- Division of amoebae
- Conclusion.