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首页> 外文期刊>Neuron >Novel genomic cDNA hybrids produce effective RNA interference in adult Drosophila.
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Novel genomic cDNA hybrids produce effective RNA interference in adult Drosophila.

机译:新型基因组cDNA杂种在成年果蝇中产生有效的RNA干扰。

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摘要

Drosophila melanogaster has been a premier genetic model system for nearly 100 years, yet lacks a simple method to disrupt gene expression. Here, we show genomic cDNA fusions predicted to form double-stranded RNA (dsRNA) following splicing, effectively silencing expression of target genes in adult transgenic animals. We targeted three Drosophila genes: lush, white, and dGq(alpha). In each case, target gene expression is dramatically reduced, and the white RNAi phenotype is indistinguishable from a deletion mutant. This technique efficiently targets genes expressed in neurons, a tissue refractory to RNAi in C. elegans. These results demonstrate a simple strategy to knock out gene function in specific cells in living adult Drosophila that can be applied to define the biological function of hundreds of orphan genes and open reading frames.
机译:果蝇(Drosophila melanogaster)近一百年来一直是主要的遗传模型系统,但缺乏破坏基因表达的简单方法。在这里,我们显示了基因组cDNA融合体,有望在剪接后有效形成靶基因在成年转基因动物中的表达,从而形成双链RNA(dsRNA)。我们针对果蝇的三个基因:郁郁葱葱,白色和dGq(alpha)。在每种情况下,靶基因的表达均显着降低,并且白色RNAi表型与缺失突变体无法区分。该技术有效地靶向在神经元中表达的基因,神经元是秀丽隐杆线虫中RNAi难治的组织。这些结果证明了一种简单的策略,可以敲除成年果蝇活体内特定细胞中的基因功能,可用于定义数百个孤儿基因和开放阅读框的生物学功能。

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