A Natural Solution for California's Herds: African Catfish Peptides

California's cattle producers and agricultural communities are all too familiar with the rising challenge of antibiotic resistance, making common bacterial infections harder to treat in livestock. But imagine a future where we could tackle these infections with a natural, powerful alternative. Our research points to just that: antimicrobial peptides (AMPs) found in African catfish.

We're really excited about these peptides because African catfish thrive in pathogen-rich freshwater, naturally producing these robust immune compounds in their skin mucus as a defense. This natural origin makes them highly appealing alternatives to synthetic drugs.

Predicted Safety and Potent Action

One of the most compelling aspects of these AMPs is their predicted safety for mammals. Our initial computer analyses suggest that various catfish AMPs are generally recognized as safe (GRAS). We predict they'll be absorbed in the human intestine without causing liver, brain, or heart toxicity. Furthermore, lab tests on a promising peptide, NACAP-II, confirmed it was non-hemolytic, meaning it didn't damage rabbit red blood cells—a strong indicator of its potential safety for mammalian cells.

Beyond safety, these peptides demonstrate effectiveness against problematic bacteria. One study revealed NACAP-II's strong activity against Extended-Spectrum Beta-Lactamase (ESBL)-producing Escherichia coli—a critical concern for both animal and human health due to its resistance to many common antibiotics. Another peptide, ACAP-IV, also showed antibacterial activity against E. coli and Staphylococcus aureus. We believe these AMPs work by directly disrupting bacterial cell membranes, a mechanism that makes it harder for bacteria to develop resistance compared to how they resist traditional antibiotics.

Homeowner's Wildfire Mitigation Guide: Page

Additional Information

Appendix A: Quick fixes These are relatively inexpensive and easily carried out by the homeowner.

Homeowner's Wildfire Mitigation Guide: Page

Appendix A: Quick fixes

These are relatively inexpensive and easily carried out by the homeowner.

Homeowner's Wildfire Mitigation Guide: Page

Appendix B: Long-term actions

Some actions are more complex and expensive, may require expert help and take several years to implement. Your lot Make an overview sketch of the features of your lot and house including slope, trees, shrub, decks.

Homeowner's Wildfire Mitigation Guide: Page

Appendix C: Pre-fire readiness

There are several options if a wildfire threatens your home that depends on your degree of readiness and capability.

Homeowner's Wildfire Mitigation Guide: Page

Appendix D: Pre-evacuation checklist

Keep this list in an obvious and conveneient place, perferrably in your garage near your emergency supplies. Follow this checklist when a wildfire is reported.

Homeowner's Wildfire Mitigation Guide: Page

Appendix E: Wood decay

Decay (sometimes referred to by homeowners as "rot") is typically found at joints that trap water and dry slowly. Decay occurs only where wood has contact with water, such as trapped rain or condensation of water vapor moving out of the house. The wood then is a food source for the decay fungi.

Homeowner's Wildfire Mitigation Guide: Page

Appendix F: Checklist

The list below is intended to help you survey your surroundings and home for potential problems. Items in bold are the preferable condition. Details on specific problems and solutions can be found in other sections. ROOFS 1. Covering material: Class A or not Class A. 2.

Homeowner's Wildfire Mitigation Guide: Page

Attached Decks

Decks include all types of horizontal walkways, including landings, porches, and patios that are directly connected or very close to a house or building. Decks are described by the surface that you walk on (called the deck covering).

Homeowner's Wildfire Mitigation Guide: Page

Fences

Fences (and walls) are both decorative and functional (for security and privacy) and come in many materials and configurations. While we have no laboratory fire test data on fences,there are a number of observations that indicate fences like vegetation are a much greater hazard close to a house.

Homeowner's Wildfire Mitigation Guide: Page

Garages

When houses are surveyed for wildfire vulnerabilities, quite often the garage is not considered even though it could be the most hazardous aspect of the house. Garages are typically not well sealed since they are generally not heated or cooled.