Journal
DEVELOPMENTAL BIOLOGY
Volume 448, Issue 1, Pages 7-15Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ydbio.2019.01.005
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Funding
- Stowers Institute for Medical Research
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A mechanistic understanding of evolutionary developmental biology requires the development of novel techniques for the manipulation of gene function in phylogenetically diverse organismal systems. Recently, gene-specific knockdown by microinjection of short hairpin RNA (shRNA) was applied in the sea anemone Nematostella vectensis, demonstrating that the shRNA approach can be used for efficient and robust sequence-specific knockdown of a gene of interest. However, the time- and labor-intensive process of microinjection limits access to this technique and its application in large scale experiments. To address this issue, here we present an electroporation protocol for shRNA delivery into Nematostella eggs. This method leverages the speed and simplicity of electroporation, enabling users to manipulate gene expression in hundreds of eggs or embryos within minutes. We provide a detailed description of the experimental procedure, including reagents, electroporation conditions, preparation of Nematostella eggs, and follow-up care of experimental animals. Finally, we demonstrate the knockdown of several endogenous and exogenous genes with known phenotypes and discuss the potential applications of this method.
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