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Updated: May 6, 2026

RNAi Interference by dsRNA Injection into Drosophila Embryos
Published on: April 11, 2011
Effective gene knockdown in the Drosophila germline by artificial miRNA-mimicking siRNAs
Hailong Wang1, Haidong Huang, Dahua Chen
1State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.
Abstract:
Gene knockdown using double-stranded RNA (dsRNA) is a powerful tool to characterize gene function in Drosophila. The Drosophila germline provides an elegant model to study the regulation of numerous processes, such as stem cell fate, gametogenesis, piRNA, and piRNA-related gene functions. However, for unknown reasons, traditional dsRNA gene knockdown has not been successful in the germline. Here, we establish a simple gene silencing method for the Drosophila germline by the generation of artificial miRNA-mimicking siRNAs. This method, which is different from that of classical dsRNA, mimics natural miRNA biogenesis and enables the analysis of gene functions specifically in the Drosophila germline.
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