Oocyte Meiosis Movie 1

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Oocyte Meiosis 01 icon.jpg A mouse oocyte undergoing spindle migration followed by first polar body extrusion and MII spindle positioning.
  • blue - Hoechst staining of chromosomes.
  • green - F-actin probe (UtrCH-GFP, utrophin calponin homology domain fused to GFP) label cortical changes during spindle migration.

The video shows that cytoplasmic streaming continues to the MII arrest stage to maintain the oocyte set of chromosomes/MII spindle in place close to the cortex.

Frames are 11 min apart, and video length is 840 min. Bar, 20 µm.


Meiosis Links: Oocyte Meiosis Movie | 0 min | 270 min | 280 min | 320 min | 840 min | Meiosis spindle movement model | Oocyte Development | Meiosis | Mouse Development | Movies


Oocyte meiosis movie 01 frame 1.jpg Oocyte meiosis movie 01 frame 2.jpg Oocyte meiosis movie 01 frame 3.jpg Oocyte meiosis movie 01 frame 4.jpg Oocyte meiosis movie 01 frame 5.jpg

Meiosis Links: Oocyte Meiosis Movie | 0 min | 270 min | 280 min | 320 min | 840 min | Meiosis spindle movement model | Oocyte Development | Meiosis | Mouse Development | Movies

Reference

Kexi Yi, Boris Rubinstein, Jay R Unruh, Fengli Guo, Brian D Slaughter, Rong Li Sequential actin-based pushing forces drive meiosis I chromosome migration and symmetry breaking in oocytes. J. Cell Biol.: 2013, 200(5);567-76 PubMed 23439682

| PMC3587830 | J Cell Biol.

Copyright

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Video 7 Original video altered in size and movie format.



Cite this page: Hill, M.A. 2017 Embryology Oocyte Meiosis Movie 1. Retrieved December 18, 2017, from https://embryology.med.unsw.edu.au/embryology/index.php/Oocyte_Meiosis_Movie_1

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© Dr Mark Hill 2017, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G