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Related Concept Videos

Binary Fission01:20

Binary Fission

Fission is the division of a single entity into two or more parts, which regenerate into separate entities that resemble the original. Organisms in the Archaea and Bacteria domains reproduce using binary fission, in which a parent cell splits into two parts that can each grow to the size of the original parent cell. This asexual method of reproduction produces cells that are all genetically identical.
Binary Fission01:26

Binary Fission

Binary fission is the primary mode of asexual reproduction in prokaryotes, such as bacteria. It results in the production of two genetically identical daughter cells. This highly efficient process ensures the rapid propagation of bacterial populations under favorable conditions and involves coordinated cellular and molecular events.DNA Replication and SeparationThe process begins with the replication of the bacterial chromosome. The circular DNA molecule unwinds at a specific origin of...
Distribution of Cytoplasmic Content02:33

Distribution of Cytoplasmic Content

Cytokinesis segregates a cell’s chromosomes and organelles into its daughter cells. Organelles divide and grow prior to cell division but cannot be synthesized de novo; therefore, cells must receive at least one copy of each organelle to survive. Currently, many of the details of how the organelles are distributed are not yet fully elucidated.
Distribution of cytoplasmic determinants
The cytoplasm contains various organelles, as well as salts, proteins, and water. The distribution of small...
Fungal Phylum Ascomycota01:28

Fungal Phylum Ascomycota

Phylum Ascomycota, a major division within the subkingdom Dikarya, comprises a diverse range of fungal species, including both unicellular yeasts and filamentous molds such as Aspergillus and Penicillium. These fungi thrive in a variety of habitats, from aquatic ecosystems to terrestrial environments, playing crucial ecological and economic roles.Morphology and ReproductionThe defining characteristic of Ascomycetes, commonly referred to as sac fungi, is the ascus—a sac-like structure that...
Determining the Plane of Cell Division02:13

Determining the Plane of Cell Division

Positioning the cell division plane is a critical step during development and cell differentiation, particularly during mitosis when the plane is essential for determining the size of the two daughter cells. The cell division plane is perpendicular to the plane of chromosome segregation, but different types of organisms have different cell division mechanisms to suit their morphology and function. 
Animal cells
In animal cells, the cleavage furrow forms along the plane of cell division starting...
Diversity of Protists IV01:27

Diversity of Protists IV

Amoebozoa represent a diverse group of terrestrial and aquatic protists that utilize lobe-shaped pseudopodia for locomotion and feeding. This characteristic differentiates them from the Rhizaria, which possess threadlike pseudopodia. The primary classifications within Amoebozoa include gymnamoebas, entamoebas, and the plasmodial and cellular slime molds. Phylogenetic evidence indicates that Amoebozoa diverged from a lineage that ultimately gave rise to fungi and animals.Gymnamoebas and...

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Related Experiment Video

Updated: May 17, 2026

Microscopy of Fission Yeast Sexual Lifecycle
07:47

Microscopy of Fission Yeast Sexual Lifecycle

Published on: March 9, 2016

Fission yeast: in shape to divide.

Olivier Hachet1, Felipe O Bendezú, Sophie G Martin

  • 1Department of Fundamental Microbiology, Faculty of Biology and Medicine, University of Lausanne, Biophore Building, CH-1015 Lausanne, Switzerland.

Current Opinion in Cell Biology
|November 7, 2012
PubMed
Summary

Fission yeast coordinate cell shape and division using microtubules and Cdc42 signaling. This rod shape guides cell cycle progression and division timing for self-organization.

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Examination of Mitotic and Meiotic Fission Yeast Nuclear Dynamics by Fluorescence Live-cell Microscopy

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Quantitative Live Cell Fluorescence-microscopy Analysis of Fission Yeast
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Quantitative Live Cell Fluorescence-microscopy Analysis of Fission Yeast

Published on: January 23, 2012

Related Experiment Videos

Last Updated: May 17, 2026

Microscopy of Fission Yeast Sexual Lifecycle
07:47

Microscopy of Fission Yeast Sexual Lifecycle

Published on: March 9, 2016

Examination of Mitotic and Meiotic Fission Yeast Nuclear Dynamics by Fluorescence Live-cell Microscopy
12:04

Examination of Mitotic and Meiotic Fission Yeast Nuclear Dynamics by Fluorescence Live-cell Microscopy

Published on: June 24, 2019

Quantitative Live Cell Fluorescence-microscopy Analysis of Fission Yeast
06:52

Quantitative Live Cell Fluorescence-microscopy Analysis of Fission Yeast

Published on: January 23, 2012

Area of Science:

  • Cell Biology
  • Microbiology
  • Biophysics

Background:

  • Fission yeast (Schizosaccharomyces pombe) serves as a model for cell self-organization.
  • Understanding cell morphogenesis and cell cycle coordination is crucial for cell biology.

Purpose of the Study:

  • To explore how fission yeast establish and maintain their rod shape.
  • To elucidate the mechanisms linking cell shape to cell division control.

Main Methods:

  • Microtubule dynamics analysis
  • Investigation of Cdc42 signaling pathways
  • Vesicle trafficking regulation studies

Main Results:

  • Microtubules define antipodal growth zones and medial division sites.
  • Cdc42 GTPase and vesicle trafficking regulate cellular dimensions.
  • The rod shape is repetitively utilized to orchestrate cell division.

Conclusions:

  • Fission yeast utilize their rod shape for precise spatial and temporal control of cell division.
  • Microtubules and Cdc42-mediated pathways are key regulators of cell morphogenesis and cell cycle coordination.