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Related Experiment Video

Updated: Jul 7, 2026

Imaging Subcellular Structures in the Living Zebrafish Embryo
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Imaging Subcellular Structures in the Living Zebrafish Embryo

Published on: April 2, 2016

Mitochondrial behavior during oogenesis in zebrafish: a confocal microscopy analysis.

Yong-Zhong Zhang1, Ying-Chun Ouyang, Yi Hou

  • 1State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Datun Road, Chaoyang, Beijing 100101, China.

Development, Growth & Differentiation
|March 4, 2008
PubMed
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Mitochondria in early zebrafish oocytes form unique clusters and threadlike structures. Their movement and distribution are dynamic, influenced by cytoskeletal elements like microtubules and microfilaments.

Area of Science:

  • Developmental Biology
  • Cell Biology
  • Mitochondrial Dynamics

Background:

  • Mitochondrial behavior in early zebrafish oogenesis is poorly understood.
  • Mitochondria are crucial for cellular energy and function.

Purpose of the Study:

  • To investigate mitochondrial distribution, movement, and activity during early zebrafish oogenesis.
  • To elucidate the roles of microtubules and microfilaments in mitochondrial dynamics.

Main Methods:

  • Confocal microscopy with mitochondrial probes (Mito Tracker Red, Mito Tracker Green, JC-1).
  • Fluorescence Recovery After Photobleaching (FRAP) for movement analysis.
  • Inhibition of microtubules (nocodazole) and microfilaments (cytochalasin B).
  • Assessment of mitochondrial activity using JC-1 and FCCP.

More Related Videos

Observing Mitotic Division and Dynamics in a Live Zebrafish Embryo
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Observing Mitotic Division and Dynamics in a Live Zebrafish Embryo

Published on: July 15, 2016

Metabolic Profile Analysis of Zebrafish Embryos
05:41

Metabolic Profile Analysis of Zebrafish Embryos

Published on: January 14, 2013

Related Experiment Videos

Last Updated: Jul 7, 2026

Imaging Subcellular Structures in the Living Zebrafish Embryo
11:19

Imaging Subcellular Structures in the Living Zebrafish Embryo

Published on: April 2, 2016

Observing Mitotic Division and Dynamics in a Live Zebrafish Embryo
10:10

Observing Mitotic Division and Dynamics in a Live Zebrafish Embryo

Published on: July 15, 2016

Metabolic Profile Analysis of Zebrafish Embryos
05:41

Metabolic Profile Analysis of Zebrafish Embryos

Published on: January 14, 2013

Main Results:

  • Mitochondria exhibit unique aggregation patterns, forming clusters in early stage I and becoming threadlike in later stage I oocytes.
  • Distinct high and low-density mitochondrial areas were observed near the germinal vesicle.
  • Active mitochondria were generally distributed across all sublocations, with FCCP treatment increasing this activity.
  • Cytoskeletal inhibitors (CB, nocodazole) altered mitochondrial activity distribution and increased mitochondrial movement.

Conclusions:

  • Mitochondria display dynamic and unique spatial organization during early zebrafish oogenesis.
  • Cytoskeletal components, microtubules and microfilaments, play significant roles in regulating mitochondrial distribution and movement.
  • Mitochondrial activity is spatially regulated and responsive to cellular cues and cytoskeletal dynamics.