Abstract
Primordial germ cells (PGCs) are the precursor cells that form during early embryogenesis and later differentiate into oocytes or spermatozoa. Abnormal development of PGCs is frequently a causative factor of infertility and germ cell tumors. However, our understanding of PGC development remains insufficient, and we have few pharmacological tools for manipulating PGC development for biological study or therapy. The zebrafish (Danio rerio) embryos provide an excellent in vivo animal model to study PGCs, because zebrafish embryos are transparent and develop outside the mother. Importantly, the model is also amenable to facile chemical manipulations, including scalable screening to discover novel compounds that alter PGC development. This chapter describes methodologies for manipulating the germline (i.e., PGCs) with small molecules and for monitoring PGC development. Utilizing the 3′UTR of PGC marker genes such as nanos3 and ddx4/vasa is a key component of these methodologies, which consist of expressing fluorescent or luminescent proteins in PGCs, treatment with small molecules, and quantitative observation of PGC development.
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Jin, Y.N., Peterson, R.T. (2021). Chemical Genetics: Manipulating the Germline with Small Molecules. 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_6
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DOI: https://doi.org/10.1007/978-1-0716-0970-5_6
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