期刊
INVERTEBRATE NEUROSCIENCE
卷 10, 期 1, 页码 25-33出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s10158-010-0102-1
关键词
Nicotinic acetylcholine receptor; Alternative splicing; Insecticide resistance; Plutella xylostella; A-to-I RNA editing
资金
- Dow Agrosciences
- Sarkaria Fellowship
- Grace Griswold fund
The cDNA sequence of the alpha 6 nicotinic acetylcholine receptor subunit of diamondback moth (Plutella xylostella) was cloned and sequenced. Transcripts were similar between the spinosad-susceptible G88 and Wapio strains. All transcripts from the spinosad-resistant Pearl-Sel strain contained premature stop codons, and most transcripts have not been previously reported. None of these truncated transcripts were seen in the spinosad-susceptible strains. Proteins made from these transcripts would likely have no, or greatly altered, receptor function. An F-2 backcross and spinosad bioassay showed that all spinosad bioassay survivors produced truncated alpha 6 transcripts. Thus, it appears that spinosad resistance in diamondback moth is due to a mutation(s) that results in no functional Pxyl alpha 6 being produced.
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