Related Experiment Video
Updated: Aug 9, 2026
09:38
Embryo Microinjection and Electroporation in the Chordate Ciona intestinalis
Published on: October 16, 2016
Predictable mosaic transgene expression in ascidian embryos produced with a simple electroporation device
Robert W Zeller1, Michael J Virata, Angela C Cone
1Molecular Biology Institute and Coastal and Marine Institute, San Diego State University, San Diego, California 92182-4614, USA. rzeller@sciences.sdsu.edu
Summary
Researchers developed inexpensive, custom electroporators for creating transgenic ascidian embryos. These devices ensure consistent results, aiding in the study of gene expression and cell lineage in ascidians.
Area of Science:
- Developmental Biology
- Genetics
- Marine Biology
Background:
- Ascidians are valuable model organisms for studying vertebrate development.
- Generating transgenic ascidians is crucial for functional genomic studies.
- Existing electroporation methods can be expensive or lack consistency.
Purpose of the Study:
- To design and validate cost-effective, reliable electroporators for ascidian transgenesis.
- To optimize parameters for creating transient transgenic ascidian embryos.
- To investigate transgene expression patterns relative to embryonic cell lineage.
Main Methods:
- Customized electroporator construction with a focus on pulse consistency.
- Electroporation of ascidian embryos with fluorescent protein reporter genes.
- Analysis of transgene expression patterns using microscopy and cell lineage tracing.
Main Results:
- The custom electroporators were inexpensive and simple to build.
- Transgenic ascidian embryos were produced with high and repeatable efficiency.
- Transgene expression generally followed embryonic cell lineage, with potential for transgene loss.
- Consistent electroporation pulses facilitated predictable mosaic transgene expression.
Conclusions:
- The developed electroporators provide a cost-effective and reliable tool for ascidian transgenesis.
- These devices enable detailed studies of gene function and embryonic development in ascidians.
- The electroporation technique may be adaptable to other marine embryo systems.
