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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...

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Related Experiment Video

Updated: May 7, 2026

Imaging Centrosomes in Fly Testes
09:41

Imaging Centrosomes in Fly Testes

Published on: September 20, 2013

Imaging centrosomes in fly testes.

Marcus L Basiri1, Stephanie Blachon, Yiu-Cheung Frederick Chim

  • 1Department of Biological Sciences, University of Toledo.

Journal of Visualized Experiments : Jove
|October 3, 2013
PubMed
Summary
This summary is machine-generated.

Drosophila spermatogenesis is a powerful model for studying centrosomes. Genetically tagged markers enable genetic screens to identify new proteins and understand known ones involved in centrosome function and formation.

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Last Updated: May 7, 2026

Imaging Centrosomes in Fly Testes
09:41

Imaging Centrosomes in Fly Testes

Published on: September 20, 2013

Super-Resolution Live Cell Imaging of Subcellular Structures
06:50

Super-Resolution Live Cell Imaging of Subcellular Structures

Published on: January 13, 2021

Cytological Analysis of Spermatogenesis: Live and Fixed Preparations of Drosophila Testes
10:30

Cytological Analysis of Spermatogenesis: Live and Fixed Preparations of Drosophila Testes

Published on: January 20, 2014

Area of Science:

  • Cell Biology
  • Genetics
  • Developmental Biology

Background:

  • Centrosomes are crucial microtubule-based organelles regulating cell division and cilia formation.
  • The molecular mechanisms governing centrosome dynamics and protein functions are not fully understood.
  • Drosophila melanogaster offers a robust genetic system for studying centrosome biology.

Purpose of the Study:

  • To leverage Drosophila spermatogenesis for identifying novel centrosomal proteins.
  • To elucidate the functions of known and newly discovered proteins in centrosome formation and regulation.
  • To utilize advanced microscopy and genetic tagging for centrosome research.

Main Methods:

  • Employing genetically tagged centrosomal markers in Drosophila testes.
  • Conducting genetic screens to isolate mutants affecting centrosome structure and function.
  • Utilizing advanced light microscopy for high-resolution imaging of centrosomes.

Main Results:

  • Identification of new genes critical for centrosome formation and function.
  • Gaining insights into the roles of specific proteins in regulating centrosome dynamics.
  • Demonstration of Drosophila testes as an effective model for centrosome research.

Conclusions:

  • Drosophila spermatogenesis is a valuable system for dissecting centrosome biology.
  • Genetically tagged markers and genetic screens are effective for discovering centrosome-related genes.
  • This approach advances our understanding of centrosome assembly and function.