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Using Fluorescence In Situ Hybridization (FISH) to Monitor the State of Arm Cohesion in Prometaphase and Metaphase I Drosophila Oocytes
JoVE Journal
Developmental Biology
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JoVE Journal Developmental Biology
Using Fluorescence In Situ Hybridization (FISH) to Monitor the State of Arm Cohesion in Prometaphase and Metaphase I Drosophila Oocytes
DOI:

12:46 min

December 06, 2017

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Chapters

  • 00:05Title
  • 00:50Removal of Chorions and Vitelline Membranes
  • 05:57FISH
  • 10:27Results: Representative Images of Meiotic Figures with Intact Arm Cohesion and Disrupted Arm Cohesion
  • 11:31Conclusion

Summary

Automatic Translation

This manuscript presents a detailed method for generating X-chromosome arm probes and performing fluorescence in situ hybridization (FISH) to examine the state of sister chromatid cohesion in prometaphase and metaphase I arrested Drosophila oocytes. This protocol is suitable for determining whether meiotic arm cohesion is intact or disrupted in different genotypes.

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