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Updated: Jan 29, 2026
12:10
Microinjection of Xenopus Laevis Oocytes
Published on: February 23, 2009
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Methods for Isolating the Balbiani Body/Germplasm from Xenopus laevis Oocytes
Amanda Butler1, Dawn Owens1, Mary Lou King1
1Department of Cell Biology, Miller School of Medicine, University of Miami, Miami, FL, USA.
Methods in Molecular Biology (Clifton, N.J.)
|February 10, 2019
Summary
The Balbiani body (Bb), crucial for germline identity in frog oocytes, is a complex organelle. This study details two new methods for isolating the Bb and germplasm from Xenopus laevis primary oocytes.
Area of Science:
- Developmental Biology
- Cell Biology
- Reproductive Biology
Background:
- The Balbiani body (Bb) is a large, membrane-less organelle found in vertebrate female gametes.
- In Xenopus laevis, the Bb is an early oogenesis determinant for germline identity via germplasm formation.
Purpose of the Study:
- To describe novel techniques for isolating the Balbiani body (Bb) and germplasm.
- To facilitate further research into the Bb's role in germline specification.
Main Methods:
- Isolation of Balbiani body/germplasm from Xenopus laevis primary oocytes.
- Detailed description of two distinct isolation protocols.
Main Results:
- Successful isolation of the Balbiani body/germplasm complex.
- Establishment of reproducible methods for Bb/germplasm retrieval.
Conclusions:
- The presented techniques enable efficient isolation of the Bb/germplasm.
- These methods will support future investigations into maternal factors controlling germline development in Xenopus.
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