Abstract:
:The small brown planthopper, Laodelphax striatellus, is a dangerous pest in rice fields. Although buprofezin has been used to control L. striatellus for more than a decade, the occurrence of buprofezin-resistant L. striatellus has been recently reported. To develop an alternative pest control strategy, comparative transcriptome analysis of buprofezin-treated and nontreated L. striatellus was performed to screen the buprofezin-specific target genes for RNA interference (RNAi) application. Among six genes downregulated in the buprofezin-treated L. striatellus, RNAi-based silencing of the lipophorin precursor, endocuticle structure glycoprotein, and chitin synthase significantly induced the lethality of L. striatellus in a concentration-dependent manner. In addition, a cocktail of double-stranded RNAs against these three genes showed synergistic effects with buprofezin. These results provide RNAi-based effective approaches to control L. striatellus as well as an efficient method to identify novel target genes for RNAi application.
journal_name
Arch Insect Biochem Physioljournal_title
Archives of insect biochemistry and physiologyauthors
Fang Y,Park MG,Choi JY,Park DH,Wang M,Kim HJ,Kim WJ,Je YHdoi
10.1002/arch.21739subject
Has Abstractpub_date
2020-12-01 00:00:00pages
e21739issue
4eissn
0739-4462issn
1520-6327journal_volume
105pub_type
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