Acta Agriculturae Boreali-Sinica ›› 2025, Vol. 40 ›› Issue (1): 177-188. doi: 10.7668/hbnxb.20195087

Special Issue: Cotton Plant protection

• Resources & Environment·Plant Protection • Previous Articles     Next Articles

Comparative Transcriptome Analysis of Resistant and Sensitive Strains to Imidacloprid of Aphis gossypii(Hemiptera:Aphisidae)

WANG Xinxia, ZHANG Huibin, LIU Yunxiang, LIU Siyu, LAI Youpeng, LI Qiurong   

  1. Academy of Agriculture and Forestry Sciences,Qinghai University,State Scientific Observing and Experimental Station of Crop Pest in Xining,Ministry of Agriculture and Rural Affairs,Provincial Key Laboratory of Agricultural Integrated Pest Management in Qinghai,Xining 810016,China
  • Received:2024-10-18 Published:2025-02-28

Abstract:

To explore candidate genes for resistance of Aphis gossypii to the insecticide imidacloprid,the transcriptome data of the two strains were obtained and compared with imidacloprid indoor resistant and relatively sensitive lines of Aphis gossypii by using Illumina HiSeq 2500 high-throughput sequencing technology.The gene annotation was performed using the NCBI database,and bioinformatics analysis of the differential genes at the transcriptional level included GO function,KEGG metabolic pathway,and other analyses.The relative expression of eight candidate differentially expressed genes(CYP6a2,CYP6a13,CYP6k1,CYP6j1,CYP4c1,AChE2,CarE and ALP3)was detected using qRT-PCR technology,and the evolutionary relationships of resistance related genes were analyzed.After sequencing and sequence splicing,a total of 70 101 Unigenes were obtained,with an average length of 654.37 bp.29 131,27 861 and 2 993 Unigenes were annotated in NR,GO and KEGG databases,respectively.According to the NR annotation analysis of the differential genes of insecticide resistance and sensitivity strains,a total of 22 differential genes that may be related to insecticide resistance were found,including 9 detoxification enzyme genes(CYP6a13,CYP6k1,CYP6j1,CYP4c1 and ALP3 each,two CYP6a2,two CarE),8 cuticle protein genes(CP)and their precursors(CPP),target enzyme genes(AChE2),2 transcription factors(WRKY1,leucine zipper transcription factor-like protein 1 gene,LZTFL1),one pancreatic lipase-related protein 2 gene(PLRP2)and one multidrug resistance-associated protein gene(MRP).The results of qRT-PCR indicated that the expression levels of CYP6a2,CYP6a13,CYP6k1,CYP6j1,CarE and ALP3 genes in insecticide resistance strains were significantly higher than those in sensitive strains.The phylogenetic tree analysis of CYP,ALP,GST and CP genes obtained by NR annotation indicated that the genetic relationship between the Aphis gossypii and Aphis glycines and Acyrthosiphon pisum was relatively close.We found that 87.50% of the candidate differentially expressed genes in the two strains showed consistent changes in expression levels at the transcriptional and mRNA levels.

Key words: Aphis gossypii, Imidacloprid, Insecticide resistance, Insecticide sensitive, Transcriptome, Differentially expressed gene

Cite this article

WANG Xinxia, ZHANG Huibin, LIU Yunxiang, LIU Siyu, LAI Youpeng, LI Qiurong. Comparative Transcriptome Analysis of Resistant and Sensitive Strains to Imidacloprid of Aphis gossypii(Hemiptera:Aphisidae)[J]. Acta Agriculturae Boreali-Sinica, 2025, 40(1): 177-188. doi: 10.7668/hbnxb.20195087.

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