期刊
SCIENTIFIC REPORTS
卷 6, 期 -, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/srep22587
关键词
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资金
- California Cherry Board Grant [CCB5400-004]
- Clarence and Estelle Albaugh Endowment
RNA interference has had major advances as a developing tool for pest management. In laboratory experiments, double-stranded RNA (dsRNA) is often administered to the insect by genetic modification of the crop, or synthesized in vitro and topically applied to the crop. Here, we engineered genetically modified yeast that express dsRNA targeting y-Tubulin in Drosophila suzukii. Our design takes advantage of the symbiotic interactions between Drosophila, yeast, and fruit crops. Yeast is naturally found growing on the surface of fruit crops, constitutes a major component of the Drosophila microbiome, and is highly attractive to Drosophila. Thus, this naturally attractive yeast biopesticide can deliver dsRNA to an insect pest without the need for genetic crop modification. We demonstrate that this biopesticide decreases larval survivorship, and reduces locomotor activity and reproductive fitness in adults, which are indicative of general health decline. To our knowledge, this is the first study to show that yeast can be used to deliver dsRNA to an insect pest.
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