Abstract
The study of translational regulation requires reliable measurement of both mRNA levels and protein synthesis. Cytoplasmic polyadenylation is a prevalent mode of translational regulation during oogenesis and early embryogenesis. Here the length of the poly(A) tail of an mRNA is coupled to its translatability. We describe a protocol to identify translationally regulated genes and measure their translation rate in the early zebrafish embryo using genome-wide polysome profiling. This protocol relies on the isolation of mRNA by means of an rRNA depletion strategy, which avoids capture bias due to short poly(A) tail that can occur when using conventional oligo(dT)-based methods. We also present a simple PCR-based method to measure the poly(A) tail length of selected mRNAs.
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Acknowledgments
M.Ł. is supported by the DIAMENTOWY scholarship from the Polish Ministry of Science and Higher Education. The project no. POIR.04.04.00-00-1AF0/16-00/ is carried out within the First TEAM programme of the Foundation for Polish Science co-financed by the European Union under the European Regional Development Fund. This work was supported by funding from A*STAR and BMRC, Singapore.
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Winata, C.L., Łapiński, M., Ismail, H., Mathavan, S., Sampath, P. (2021). Exploring Translational Control of Maternal mRNAs in Zebrafish . In: Dosch, R. (eds) Germline Development in the Zebrafish. Methods in Molecular Biology, vol 2218. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-0970-5_29
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DOI: https://doi.org/10.1007/978-1-0716-0970-5_29
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