ACTA AGRICULTURAE BOREALI-SINICA ›› 2021, Vol. 36 ›› Issue (4): 172-183. doi: 10.7668/hbnxb.20192207

Special Issue: Tomato Biotechnology

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

The Influence of Bemisia tabaci MED on Detoxification and Protective Enzymes after Feeding on ToCV-infected Tomato

DAI Huijie1, CHENG Lin4, CAO Hui2, ZHU Xiaoping3, ZHAO Jing2   

  1. 1. Key Laboratory of Facility Horticulture of Shandong Universities, Weifang University of Science and Technology, Shouguang 262700, China;
    2. Key Laboratory of Biochemistry and Molecular Biology of Shandong Universities, College of Biological and Agricultural Engineering, Weifang University, Weifang 261061, China;
    3. Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Pests, College of Plant Protection, Shandong Agricultural University, Tai'an 271018, China;
    4. Shandong Provincial Key Laboratory of Facility Vegetable Molecular Breeding, Shandong Shouguang Vegetable Seed Industry Group, Shouguang 262700, China
  • Received:2021-04-18 Published:2021-08-28

Abstract: To clarify the defense responses of Bemisia tabaci after feeding on ToCV-infected tomato, RNA-Seq analysis and qRT-PCR were performed to explore changes that occurred with the internal detoxification and protective enzyme systems as well as with the gene expression and metabolic functions 6, 12, 24, 48 hours respectively after B. tabaci MED fed on both ToCV-infected and uninfected tomato plants. The results showed that the transcription level of detoxification enzymes P450, GST, CarE and protective enzymes SOD, POD, CAT made different changes when B. tabaci MED feeding on ToCV-infected tomato at different times. The genes expression levels of P450, GST, CarE, SOD and POD tended to be up-regulated with the exception of CAT, among which P450 and SOD played the most major roles. Through GO annotation and KEGG function analysis of DEGs, it was found that biological function and metabolic pathways of DEGs of B. tabaci MED after feeding on ToCV-infected tomato for 12 h were different from other time points. After feeding for 12 h, B. tabaci MED mainly decomposed protein through lysosomes, while biosynthesis of amino acids to proteins were carried out through ribosomes at other times. In conclusion, B. tabaci that feeding on ToCV-infected tomato might have caused changes on the gene expression of detoxification and protective enzymes, and regulated the autoimmune response to ToCV invasion through lysosomal pathway. Among them, 12 hours feeding period might be the critical point for B. tabaci to interact with ToCV. The results here are helpful to further clarify the defense mechanism of B. tabaci toward ToCV infections, enrich the interaction theory of B. tabaci -ToCV-host, and provide a scientific basis for effective control of ToCV in the field.

Key words: Bemisia tabaci MED, Transcriptome, Tomato chlorosis virus, Detoxification enzymes, Protective enzymes

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Cite this article

DAI Huijie, CHENG Lin, CAO Hui, ZHU Xiaoping, ZHAO Jing. The Influence of Bemisia tabaci MED on Detoxification and Protective Enzymes after Feeding on ToCV-infected Tomato[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2021, 36(4): 172-183. doi: 10.7668/hbnxb.20192207.

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