Cytokinesis
Cytokinesis - Related Videos
02:03
Mitosis and Cytokinesis
0 Views •
2019
In eukaryotes, the cell division cycle is divided into distinct, coordinated cellular processes that include cell growth, DNA replication/chromosome duplication, chromosome distribution to daughter cells, and finally, cell division. The cell cycle is tightly regulated by its regulatory systems as well as extracellular signals that affect cell proliferation. The processes of the cell cycle occur over approximately 24 hours (in typical human cells) and in two major distinguishable stages. The...
01:35
Mitosis And Cytokinesis
0 Views •
2023
In eukaryotes, the cell division cycle is divided into distinct, coordinated cellular processes that include cell growth, DNA replication/chromosome duplication, chromosome distribution to daughter cells, and finally, cell division. The cell cycle is tightly regulated by its regulatory systems as well as extracellular signals that affect cell proliferation. The processes of the cell cycle occur over approximately 24 hours (in typical human cells) and in two major distinguishable stages. The...
02:03
Mitosis and Cytokinesis
0 Views •
2021
In eukaryotes, the cell division cycle is divided into distinct, coordinated cellular processes that include cell growth, DNA replication/chromosome duplication, chromosome distribution to daughter cells, and finally, cell division. The cell cycle is tightly regulated by its regulatory systems as well as extracellular signals that affect cell proliferation. The processes of the cell cycle occur over approximately 24 hours (in typical human cells) and in two major distinguishable stages. The...
01:35
Mitosis and Cytokinesis
0 Views •
2025
In eukaryotes, the cell division cycle is divided into distinct, coordinated cellular processes that include cell growth, DNA replication/chromosome duplication, chromosome distribution to daughter cells, and finally, cell division. The cell cycle is tightly regulated by its regulatory systems as well as extracellular signals that affect cell proliferation. The processes of the cell cycle occur over approximately 24 hours (in typical human cells) and in two major distinguishable stages. The...
09:52
Visualizing Neuroblast Cytokinesis During C. elegans Embryogenesis
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Cited by 6 •
2014
This protocol describes how to image dividing cells within a tissue in Caenorhabditis elegans embryos. While several protocols describe how to image cell division in the early embryo, this protocol describes how to image cell division within a developing tissue during mid late embryogenesis.
FAQs
Successful cytokinesis depends on its coordination with chromosome segregation and nuclear division. This timing helps ensure that the cytoplasm is partitioned after genetic material has been distributed, preserving cellular organization and genome distribution between daughter cells. Studying this coordination therefore links the mechanics of cell division with the maintenance of accurate cellular inheritance.
In animal cells, the actin-myosin contractile ring supplies the constricting structure beneath the plasma membrane. As the ring tightens, it drives inward formation of the cleavage furrow, physically narrowing the cell until the cytoplasm separates. Its position and contraction therefore connect molecular force generation with the final shape change of the dividing cell.
Plant cytokinesis uses vesicles assembled into a cell plate rather than an inward-moving cleavage furrow. The plate expands outward and ultimately becomes a new cell wall, providing the partition between daughter cells. This mechanism is important for understanding how plant cells establish a durable boundary while completing cytoplasmic separation.
A cytokinesis defect can produce abnormal cell numbers, multinucleation, or aneuploidy. These outcomes indicate that cytoplasmic separation or its coordination with division has failed to preserve normal cellular organization and genome distribution. In research, such findings provide clues for investigating errors in cell division and their effects on daughter-cell formation.
Cytokinesis supports growth, development, and tissue maintenance by producing the daughter-cell units needed to preserve cellular organization. Because defects can alter cell number and generate multinucleated or aneuploid cells, the process has consequences beyond one division event. Its outcomes can therefore affect how tissues are maintained and how developmental changes are studied.
Developmental biology examines cytokinesis because accurate partitioning contributes to growth and tissue maintenance, while disease research considers it because failures can produce abnormal cell numbers, multinucleation, or aneuploidy. Comparing normal and defective division can therefore connect a visible cellular outcome with broader questions about development, tissue organization, and disease-related cell division errors.