ArticleScientific reports2024
A novel prolixicin identified in common bed bugs with activity against both bacteria and parasites.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Fate of Trypanosoma cruzi, the causative agent of Chagas disease, in bed bugs after oral ingestion or intrathoracic injection.PLoS neglected tropical diseases · 2025Article
- Exploring the mechanisms of action of the antimicrobial peptide CZS-5 against Trypanosoma cruzi epimastigotes: insights from metabolomics and molecular dynamics.Parasites & vectors · 2025Article
- Functionality of highly diverged Imd like genes identified in stinkbugs and bedbugs.Scientific reports · 2025Article
- Common Bed Bugs: Non-Viable Hosts forCells · 2024Article
- Glycine rich proteins of ticks: more than a cement component.Parasitology · 2024Review
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Authors and funding
5 authors.
Funding
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Abstract
The hematophagous common bed bug, Cimex lectularius, is not known to transmit human pathogens outside laboratory settings, having evolved various immune defense mechanisms including the expression of antimicrobial peptides (AMPs). We unveil three novel prolixicin AMPs in bed bugs, exhibiting strong homology to the prolixicin of kissing bugs, Rhodnius prolixus, and to diptericin/attacin AMPs. We demonstrate for the first time sex-specific and immune mode-specific upregulation of these prolixicins in immune organs, the midgut and rest of body, following injection and ingestion of Gr+ (Bacillus subtilis) and Gr- (Escherichia coli) bacteria. Synthetic CL-prolixicin2 significantly inhibited growth of E. coli strains and killed or impeded Trypanosoma cruzi, the Chagas disease agent. Our findings suggest that prolixicins are regulated by both IMD and Toll immune pathways, supporting cross-talk and blurred functional differentiation between major immune pathways. The efficacy of CL-prolixicin2 against T. cruzi underscores the potential of AMPs in Chagas disease management.
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