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Related Concept Videos

Centrioles and Centrosomes01:13

Centrioles and Centrosomes

Most animal cells comprise a pair of centrioles together called a centrosome. The cell duplicates its centrosome and contains two centrosomes side-by-side, which begin to move apart during the prophase. As the centrosomes migrate to two different sides of the cell, microtubules start extending from each centrosome toward the other end. The mitotic spindle is composed of the centrosomes and their emerging microtubules.
Near the end of the prophase, also called late prophase or "prometaphase,"...
Centrosome Duplication02:25

Centrosome Duplication

The primary microtubule organizing center (MTOC) in animal cells is the centrosome. A centrosome has two cylindrical centrioles at its core. Each centriole consists of nine sets of three microtubules held together by proteins. The centrioles are positioned at right angles to each other and surrounded by a shapeless protein cloud called the pericentriolar matrix, or pericentriolar material (PCM).
To ensure that each daughter cell receives a centrosome after cell division, centrosome duplication...
Centrosome Duplication02:25

Centrosome Duplication

The primary microtubule organizing center (MTOC) in animal cells is the centrosome. A centrosome has two cylindrical centrioles at its core. Each centriole consists of nine sets of three microtubules held together by proteins. The centrioles are positioned at right angles to each other and surrounded by a shapeless protein cloud called the pericentriolar matrix, or pericentriolar material (PCM).
To ensure that each daughter cell receives a centrosome after cell division, centrosome duplication...
Spindle Assembly02:50

Spindle Assembly

Spindle assembly occurs through three, often coexisting, pathways – the centrosome-mediated pathway, the chromatin-mediated pathway, and the microtubule-mediated pathway – collectively contributing to form a robust spindle apparatus.
In most cells, centrosomes are the primary microtubule nucleation centers. In the centrosome-mediated pathway, the G2-prophase transition triggers centrosome maturation and increased microtubule nucleation. Progressive nucleation results in a microtubule array...
Histone Variants at the Centromere02:30

Histone Variants at the Centromere

Histone variants are the histone proteins with structural and sequence variations. These variants may be regarded as “mutant” forms that replace their canonical histone counterparts in the nucleosomes. Specific post-translational modifications on the histone variants enable further chromatin complexity and regulate tissue-specific gene expression. The most common histone variants are from histone H2A, H2B, and linker histone H1 families. However, several variants of histone H3 variants are also...
Assembly of Complex Microtubule Structures01:32

Assembly of Complex Microtubule Structures

Complex microtubule structures are present in resting cells and in dividing cells. In resting cells, they are responsible for maintaining the cellular architecture, tracks for intracellular transport, positioning of organelles, assembly of cilia and flagella. They mediate the bipolar spindle assembly for chromosomal segregation and positioning of the cell division plate in dividing cells. The formation of microtubule complex structures depends on the cell type, cell stage, and cell function.

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Related Experiment Video

Updated: May 9, 2026

Isolation and Fluorescence Imaging for Single-particle Reconstruction of Chlamydomonas Centrioles
10:38

Isolation and Fluorescence Imaging for Single-particle Reconstruction of Chlamydomonas Centrioles

Published on: September 21, 2018

Meeting report - building a centrosome.

Alexandre D Baffet1, Carol-Anne Martin, Ilaria Scarfone

  • 1Department of Pathology and Cell Biology, Columbia University, New York, NY 10032, USA. adb2160@columbia.edu

Journal of Cell Science
|August 3, 2013
PubMed
Summary
This summary is machine-generated.

Leaders in centrosome biology convened at the 'Building a Centrosome' Workshop to discuss key challenges in the field. The meeting fostered interdisciplinary exchange, driving new research directions in centrosome biology.

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Quantitative Immunofluorescence Assay to Measure the Variation in Protein Levels at Centrosomes
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Quantitative Immunofluorescence Assay to Measure the Variation in Protein Levels at Centrosomes

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Immunofluorescence Analysis of Endogenous and Exogenous Centromere-kinetochore Proteins
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Immunofluorescence Analysis of Endogenous and Exogenous Centromere-kinetochore Proteins

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Related Experiment Videos

Last Updated: May 9, 2026

Isolation and Fluorescence Imaging for Single-particle Reconstruction of Chlamydomonas Centrioles
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Isolation and Fluorescence Imaging for Single-particle Reconstruction of Chlamydomonas Centrioles

Published on: September 21, 2018

Quantitative Immunofluorescence Assay to Measure the Variation in Protein Levels at Centrosomes
09:39

Quantitative Immunofluorescence Assay to Measure the Variation in Protein Levels at Centrosomes

Published on: December 20, 2014

Immunofluorescence Analysis of Endogenous and Exogenous Centromere-kinetochore Proteins
05:35

Immunofluorescence Analysis of Endogenous and Exogenous Centromere-kinetochore Proteins

Published on: March 3, 2016

Area of Science:

  • Cell Biology
  • Molecular Biology

Background:

  • The 'Building a Centrosome' Workshop convened leading scientists in centrosome biology.
  • The event aimed to foster discussion and collaboration among researchers.
  • It provided a platform for established scientists and early-career researchers to interact.

Framework:

  • The workshop facilitated a multi-disciplinary exchange of ideas on centrosome biology.
  • Discussions focused on outstanding questions and future research directions.
  • The event encouraged networking and mentorship opportunities.

Implementation:

  • Held in March 2013 at Wiston House, West Sussex, UK.
  • Organized by The Company of Biologists.
  • Chaired by Fanni Gergely and David Glover from the University of Cambridge.

Implications:

  • The workshop stimulated fresh impetus for tackling complex questions in centrosome biology.
  • It highlighted the collaborative nature of scientific advancement in the field.
  • The event served as a catalyst for future research and discoveries in centrosome duplication and function.