Peptide-functionalized diatomaceous earth and boronic acid materials for targeted pest microbiome disruption
Novel pest control approach combining antimicrobial peptides with diatomaceous earth or boronic acid-functionalized materials to simultaneously target cockroaches and their gut microbiome. The diatom carrier improves peptide bioavailability for enhanced antimicrobial action against pest-associated bacteria essential for survival.
Overview
This research proposes a multi-pronged pest control strategy that targets both cockroaches and their gut microbiome using antimicrobial peptides conjugated to diatomaceous earth or boronic acid-functionalized materials. Cockroach gut bacteria play essential roles in host functioning and survival, making them promising targets for novel pest management. By functionalizing diatoms with synthesized antimicrobial peptides, the approach aims to deliver bioactive compounds more effectively into the pest's body, improving peptide access to the microbiome and enhancing antimicrobial efficacy.
Technical specifications
- Solid-phase peptide synthesis produces antimicrobial peptides designed to target bacteria associated with cockroach gut microbiome
- Diatomaceous earth serves as a biocompatible carrier material that absorbs into the pest's body, improving peptide bioavailability
- Boronic acid-functionalized materials provide an alternative functionalization route for enhanced targeting
- Dual-target mechanism simultaneously attacks the pest itself and its essential microbial symbionts
- Microbiome-focused design exploits the dependence of cockroaches on gut bacteria for survival and normal physiological function
Technology readiness level
This research is at an early conceptual stage. The hypothesis centers on synthesizing peptides via solid-phase methods and conjugating them to diatom or boronic acid carriers, with future validation planned to assess antimicrobial activity against cockroach-associated gut bacteria and delivery efficacy through the diatom carrier system. Further work is needed to confirm peptide specificity, carrier absorption behavior, and overall pest management effectiveness before commercial translation can be considered.
About University of Prince Edward Island
UPEI is a comprehensive public university in Charlottetown with an applied, partnership‑oriented research culture. Companies engage through a 78,000‑sq‑ft engineering facility built for co‑creation and a client‑focused design‑clinic model, and through the veterinary teaching hospital’s services. The campus links to the provincial health system, including an on‑campus patient medical home and a new Faculty of Medicine and Health Sciences Centre for interprofessional training and clinical translation. Research is backed by federal funding from NSERC, CIHR, SSHRC, and the Canada Foundation for Innovation, with regional support from the Atlantic Canada Opportunities Agency. Research Partnerships and Innovation manages IP, licensing, industry contracts, and startup pathways, and connects partners to Charlottetown’s bioscience park.
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