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Effects of Insecticide Stress on Expression of NlABCG Transporter Gene in the Brown Planthopper, Nilaparvata lugens.


ABSTRACT: The brown planthopper (BPH), Nilaparvata lugens, is an important pest of rice that severely affects production. Insecticides are an important means of controlling BPH, but their long-term use has led to resistance. To provide insight into BPH responses to insecticide stress, we determined the expression levels of BPH ABCG transporter genes under treatment with thiamethoxam, abamectin, and cyantraniliprole at LC10, LC25, LC50, and LC90. We cloned 13 BPH ABCG transporters, named NlABCG1 to NlABCG13. Conservative domain analysis showed that all 13 transporters have one nucleotide binding domain and one transmembrane domain, typical of semi-molecular transporters. Real-time quantitative PCR showed that thiamethoxam, abamectin, and cyantraniliprole stress increased the expression of some NlABCG transporters gene in BPH. However, after treatment with thiamethoxam at LC25 and abamectin at LC10, there was no significant upregulation of NlABCG. These results indicate that the expression of NlABCG varies in response to stress from different insecticides. These findings provide baseline information for further understanding of the molecular mechanisms of insecticide resistance in BPH.

SUBMITTER: Yang H 

PROVIDER: S-EPMC6836012 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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Effects of Insecticide Stress on Expression of <i>NlABCG</i> Transporter Gene in the Brown Planthopper, <i>Nilaparvata lugens</i>.

Yang Hong H   Zhou Cao C   Yang Xi-Bin XB   Long Gui-Yun GY   Jin Dao-Chao DC  

Insects 20191008 10


The brown planthopper (BPH), <i>Nilaparvata lugens</i>, is an important pest of rice that severely affects production. Insecticides are an important means of controlling BPH, but their long-term use has led to resistance. To provide insight into BPH responses to insecticide stress, we determined the expression levels of BPH <i>ABCG</i> transporter genes under treatment with thiamethoxam, abamectin, and cyantraniliprole at LC<sub>10</sub>, LC<sub>25</sub>, LC<sub>50</sub>, and LC<sub>90</sub>. We  ...[more]

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