Antimicrobial Peptide Discovery Service

MtoZ Biolabs provides comprehensive Antimicrobial Peptide Discovery Services that combine high-throughput screening, bioinformatics analysis, and advanced mass spectrometry to identify and characterize peptides with strong antibacterial, antifungal, and antiviral activities. Our solutions support pharmaceutical, agricultural, and biotechnology research, helping clients accelerate the discovery of bioactive peptides with therapeutic or industrial potential.

What Is Antimicrobial Peptide?

Antimicrobial peptides (AMPs) are short, naturally occurring polypeptides found in various organisms, serving as an essential component of innate immunity. They possess broad-spectrum activity against bacteria, fungi, and even viruses,. Their mechanisms of action often include membrane disruption, inhibition of cell wall synthesis, and modulation of immune responses.

Importance of Antimicrobial Peptides:

• Offer an alternative to conventional antibiotics amid rising antimicrobial resistance.

• Exhibit fast bactericidal effects and lower likelihood of resistance development.

• Possess immunomodulatory and wound-healing properties, expanding their therapeutic applications.

• Show potential in food preservation, crop protection, and biomaterial development.



Zhang, H. et al. Molecules. 2025.

 

Figure 1. Antibacterial Mechanisms of Antimicrobial Peptides

Principle of Antimicrobial Peptide Discovery Service

Antimicrobial peptide discovery integrates biochemical, genetic, and computational approaches to efficiently identify active peptide sequences.

Key strategies include:

1. High-throughput screening: Rapidly evaluate large peptide libraries against multiple microbial strains.

2. Display technologies: Utilize phage, yeast, or bacterial surface display systems to identify strong peptide–target interactions.

3. Bioinformatics and AI modeling: Predict peptide activity, charge distribution, and hydrophobicity profiles.

4. Mass spectrometry analysis: Characterize peptide sequences, modifications, and binding affinities with precision.

5. Functional assays: Assess antimicrobial potency, minimum inhibitory concentrations (MICs), and cytotoxicity profiles.

Antimicrobial Peptide Discovery Service at MtoZ Biolabs

MtoZ Biolabs integrates microfluidic screening, automated liquid-handling platforms, and advanced display technologies to accelerate the discovery of antimicrobial peptides. By combining phage, yeast, bacterial, and cell surface display systems with LC-MS/MS identification, we enable precise evaluation of peptide libraries from both natural and synthetic origins. This service allows accurate determination of minimum inhibitory concentrations (MICs) and analysis of structure–activity relationships across multiple microbial strains. Through high-throughput and data-driven workflows, we provide a reliable solution for identifying potent peptide candidates with strong antimicrobial efficacy and therapeutic potential.

Workflow of Antimicrobial Peptide Discovery Service

1. Sample and Target Definition

Clients provide information on target pathogens or application goals.

2. Peptide Library Selection or Construction

Choose from our extensive natural and synthetic peptide libraries or request customized libraries.

3. High-Throughput Screening

Perform functional screening using phage display, yeast display, or cell surface display platforms.

4. Activity Evaluation

Assess peptide efficacy through antimicrobial assays, including MIC and kill-curve determinations.

5. Structural and Functional Characterization

Identify sequence, hydrophobicity, and charge using LC-MS/MS and bioinformatics tools.

6. Data Interpretation and Reporting

Deliver comprehensive datasets with structure–activity relationships and optimization recommendations.

Why Choose MtoZ Biolabs

✔️Advanced high-throughput screening combined with LC-MS/MS verification.

✔️Diverse peptide libraries covering natural and synthetic origins.

✔️Integration of bioinformatics prediction and experimental validation.

✔️Flexible customization for specific pathogens or application areas.

✔️Rigorous quality control and reproducible data output.

✔️Experienced scientific team with proven expertise in peptide discovery and functional validation.

Applications of Antimicrobial Peptide Discovery Service

1. Pharmaceutical Research: Identification of antimicrobial and antiviral therapeutic leads.

2. Agricultural Biotechnology: Development of plant-protective peptides for crop disease management.

3. Food Industry: Discovery of natural preservatives for improving food safety and shelf life.

4. Biomedical Engineering: Integration of AMPs into biomaterials for infection prevention.

5. Environmental Science: Screening peptides capable of inhibiting biofilm formation or environmental pathogens.

FAQ

Q1: What types of samples are suitable?

MtoZ Biolabs accepts a wide range of biological samples, including but not limited to:

• Blood or other biological fluids

• Animal and plant tissues

• Cell pellets or lysates

• Microbial cultures

• Purified proteins

For other sample types, please contact us in advance for tailored preparation guidance.

Q2: How should I prepare my samples?

1. Ensure samples are freshly prepared or snap-frozen.

2. Avoid using detergents, reducing agents, or preservatives that may interfere with LC-MS/MS analysis.

3. Store samples at –80 °C before shipment.

4. Transport samples on dry ice to maintain stability during delivery.

For more information, please refer to Sample Submission Guidelines for Proteomics.

Q3: What is the service general workflow?



Q4: What data formats are provided?

• LC-MS/MS raw data files for full traceability and independent verification.

• Processed quantitative results in Excel or CSV format for easy data handling.

• High-resolution chromatograms, spectra, and assay result images (TIFF or PNG).

• Comprehensive experimental and screening report in PDF format summarizing methods, results, and interpretations.

• Annotated peptide sequence files including structural and activity information.

• Additional formats can be provided upon request to meet specific analysis or publication requirements.

Start Your Project with MtoZ Biolabs

Contact us to discuss your experimental design or request a quote. Our technical specialists are available to provide a free business assessment.