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Zainuddin Nurhafizhoh,Maidin Mohd Shawal Thakib,Kamarudin Noorhazwani,Napiah Nur Robaatul Adhawiyah Mohd Ali,Keni Mohd Fahmi,Masri Mohamed Mazmira Mohd 한국응용곤충학회 2023 Journal of Asia-Pacific Entomology Vol.26 No.1
The oil palm pest bagworm, Metisa plana, is the most crucial leaf defoliator and causes severe economic loss to the oil palm industry. Although there are available and effective pest control measures, the outbreak and infestation of the bagworms is still a recurring problem due to the lack of understanding of the pest in molecular aspect, especially with regard to insecticide resistance. Thus, in this study, we aimed to identify major genes probably involved in insecticide resistance and targets using de novo transcriptome analysis. Three major genes involved in insecticides detoxification (P450, GST and CCE) and insecticide targets that have potential for modifications (AChE, nAChR, ACCase, GABA and RyR) were identified and characterized. Transcriptome anal ysis through de novo assembly was generated using next generation sequencing (Illumina). The result generated 218,707 transcripts and 12,388 unigenes. Homology search to non-redundant (NR), nucleotide (NT) and Swis sProt databases showed that 6632 unigenes were successfully matched. A total of 80 P450s, 39 GSTs and 14 CCEs were identified. 10 unigenes that putatively encode insecticide targets were also identified. To our knowledge, this is the first exploration of the transcriptomic study underlying M. plana regarding to detoxification genes and potential insecticide targets. Therefore, the information obtained can improve the genetic understanding, especially, in the functional studies of the genes in M. plana.