一种高效抗弧菌肽及其应用

By designing highly efficient anti-Vibrio peptides with specific amino acid sequences, the problems of antibiotic resistance and insufficient activity of natural antimicrobial peptides have been solved, achieving highly efficient inhibition and killing of Vibrio, which is suitable for aquaculture, clinical medicine and water disinfection.

CN121673373BActive Publication Date: 2026-07-17BINZHOU MEDICAL COLLEGE

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BINZHOU MEDICAL COLLEGE
Filing Date
2026-02-09
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing antibiotics have problems with drug resistance in controlling Vibrio strains and pollute the environment. Natural antimicrobial peptides have insufficient activity and poor stability, making it difficult to meet the actual needs of aquaculture and clinical medicine.

Method used

The highly efficient anti-Vibrio peptide was designed and synthesized. The specific amino acid sequence consists of 18-20 amino acids, with a net charge of +6, a Boman index of 1.32-2.13, and a hydrophobicity of 39%-60%. The peptide exhibits a specific secondary structure, as predicted by Alphafold 2 structure and verified by circular dichroism spectroscopy. It is intended for use in the preparation of anti-Vibrio infection products.

Benefits of technology

It effectively inhibits and kills Vibrio, has good stability and low cytotoxicity, and is widely used in aquaculture, clinical medicine and water disinfection, providing prevention and control solutions in multiple fields.

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Abstract

本发明属于抗菌肽生物工程技术领域,具体涉及一种高效抗弧菌肽及其应用。高效抗弧菌肽的肽段的氨基酸数量为18‑20个,净电荷为+6,Boman指数为1.32‑2.13,疏水比为39%‑60%。所述高效抗弧菌肽在制备抗弧菌感染产品中的应用。本发明的高效抗弧菌肽具有高活性、高稳定性、细胞毒性低、应用前景广等优势,可广泛应用于制备抗弧菌感染产品。
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