期刊
DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY
卷 127, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.dci.2021.104284
关键词
Tenebrio molitor; Innate immunity; Immune priming; Pathogen; Mealworm industry
Vertebrates rely on immunologic memory cells to defend against pathogens, while invertebrates depend on innate immunity mechanisms. Recent studies have shown the presence of memory cell equivalents in invertebrates, with findings in crustaceans and insects. Understanding the transgenerational immune priming response in insects like T. molitor can enhance knowledge of invertebrate immunity and help reduce pathogen infection rates.
Vertebrates rely on the most sophisticated adaptive immunity to defend themselves against various pathogens. This includes immunologic memory cells, which mount a stronger and more effective immune response against an antigen after its first encounter. Unlike vertebrates, invertebrates' defense completely depends on the innate immunity mechanisms including humoral and cell-mediated immunity. Furthermore, the invertebrate equivalent of the memory cells was discovered only recently. Since the discovery of transgenerational immune priming (TGIP) in crustaceans, numerous findings have proven the IP in invertebrate classes such as insects. TGIP can be induced through maternal priming pathways such as transcriptional regulation of antimicrobial peptides, and also paternal IP including the induction of proPO system activity. We appraise the diversity and specificity of IP agents to provide sustained immunologic memory in insects, particularly T. molitor in the review. An understanding of IP (more so TGIP) response in T. molitor will deepen our knowledge of invertebrate immunity, and boost the mass-rearing industry by reducing pathogen infection rates.
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