Drosophila insulin-like peptide 8 (ILP8) is expressed in mature follicle cells, but not in younger follicles. In their work, Jianjun Sun and colleagues show that ILP8 is required to induce ovulation and egg laying in virgin Drosophila females. To learn more about their work, we spoke to the first author, Rebecca Oramas, and the corresponding author, Jianjun Sun, Professor of Physiology & Neurobiology, University of Connecticut, USA.
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