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Journal Article

Heterologous reporter expression in the planarian Schmidtea mediterranea through somatic mRNA transfection

MPS-Authors

Weill,  Uri
Department of Tissue Dynamics and Regeneration, Max Planck Institute for Multidisciplinary Sciences, Max Planck Society;

Drees, leo,  Leonard
Department of Tissue Dynamics and Regeneration, Max Planck Institute for Multidisciplinary Sciences, Max Planck Society;

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Rink,  Jochen Christian
Department of Tissue Dynamics and Regeneration, Max Planck Institute for Multidisciplinary Sciences, Max Planck Society;

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PIIS2667237522001801.pdf
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Citation

Hall, R. N., Weill, U., Drees, leo, L., Leal-Ortiz, S., Li, H., Khariton, M., et al. (2022). Heterologous reporter expression in the planarian Schmidtea mediterranea through somatic mRNA transfection. Cell Reports: Methods, 2(10): 100298. doi:10.1016/j.crmeth.2022.100298.


Cite as: https://hdl.handle.net/21.11116/0000-000B-38D9-2
Abstract
Planarians have long been studied for their regenerative abilities. Moving forward, tools for ectopic expression of non-native proteins will be of substantial value. Using a luminescent reporter to overcome the strong autofluorescence of planarian tissues, we demonstrate heterologous protein expression in planarian cells and live animals. Our approach is based on the introduction of mRNA through several nanotechnological and chemical transfection methods. We improve reporter expression by altering untranslated region (UTR) sequences and codon bias, facilitating the measurement of expression kinetics in both isolated cells and whole planarians using luminescence imaging. We also examine protein expression as a function of variations in the UTRs of delivered mRNA, demonstrating a framework to investigate gene regulation at the post-transcriptional level. Together, these advances expand the toolbox for the mechanistic analysis of planarian biology and establish a foundation for the development and expansion of transgenic techniques in this unique model system.