Related Experiment Video
Updated: Feb 13, 2026
09:38
Embryo Microinjection and Electroporation in the Chordate Ciona intestinalis
Published on: October 16, 2016
16.7K
Germline Transgenesis in Ciona
1Shimoda Marine Research Center, University of Tsukuba, Shimoda, Shizuoka, Japan. sasakura@shimoda.tsukuba.ac.jp.
Advances in Experimental Medicine and Biology
|March 16, 2018
Summary
Transgenic Ciona lines enable accurate observation of tissues and organs. Epigenetic silencing of reporter genes provides a novel method for studying gene function through maternal gene knockdown.
Area of Science:
- Developmental Biology
- Genetics
- Molecular Biology
Background:
- Transgenesis is crucial for understanding biological mechanisms.
- Transgenic Ciona intestinalis lines offer non-mosaic reporter gene expression for precise observation.
- Transgene insertions can induce mutations, aiding gene function studies.
Purpose of the Study:
- To highlight the utility of transgenic Ciona lines for biological research.
- To introduce a novel gene knockdown method using epigenetic silencing in Ciona.
- To facilitate gene function studies in Ciona.
Main Methods:
- Creation of transgenic Ciona intestinalis lines with genome insertions.
- Utilizing reporter gene expression (e.g., GFP) for non-mosaic observation.
- Exploiting epigenetic silencing of reporter genes in the female germline for gene knockdown.
Main Results:
- Transgenic lines provide accurate visualization of tissues and organs.
- Epigenetic silencing of GFP in the female germline was observed.
- This silencing enables a novel approach for maternal gene expression knockdown.
Conclusions:
- Transgenic Ciona lines are valuable tools for biological research.
- Epigenetic silencing offers a new strategy for functional genomics in Ciona.
- Germline transgenesis facilitates comprehensive gene function analysis in Ciona.
