NewKerala.com

New Hope Against Superbugs: How Antimicrobial Peptides Battle Salmonella and E. coli

Researchers have discovered that antimicrobial peptides can effectively kill dangerous pathogens like Salmonella and E. coli. These short amino acid chains work without contributing to antibiotic resistance, making them promising alternatives to traditional antibiotics. The study specifically tested these peptides in chickens, where they successfully reduced Salmonella loads. This breakthrough could revolutionize food safety practices and help combat the growing threat of antimicrobial resistance worldwide.

Key Points: Antimicrobial Peptides Fight Salmonella E. coli Combat AMR

  • Short amino acid chains kill harmful bacteria without inducing antibiotic resistance
  • Effectively control Salmonella and E. coli in chickens and test tube environments
  • Retain antibacterial activity even after heat and protease treatments
  • Could significantly improve food safety by reducing pathogen contamination
2 min read

Antimicrobial peptides can curb Salmonella, E. coli and help combat AMR: Study

Study reveals antimicrobial peptides effectively kill Salmonella and E. coli without antibiotic resistance, offering new food safety solutions and AMR combat strategies.

"Antimicrobial peptides have the potential to be alternatives to antibiotics and thereby could mitigate antibiotic resistance - Gireesh Rajashekara, University of Illinois"

New Delhi, Nov 5

Antimicrobial peptides can control pathogens like Salmonella and E. coli -- a major cause of foodborne diseases -- and can also act as an alternative to antibiotics to help combat increasing antimicrobial resistance (AMR).

Antimicrobial peptides, which are short chains of amino acids, have the potential to kill harmful bacteria without inducing resistance to antibiotics.

The findings show that antimicrobial peptides have the potential to improve food safety and protect public health without relying on antibiotic use.

“Antimicrobial peptides have the potential to be alternatives to antibiotics and thereby could mitigate antibiotic resistance,” said corresponding study author Gireesh Rajashekara, Professor at College of Veterinary Medicine, University of Illinois Urbana-Champaign.

“These peptides not only can kill Salmonella but also other related bacterial pathogens such as E. coli, so they could be really valuable in controlling a broad range of pathogens,” he added.

The researchers conducted their study to identify antibiotic alternatives to control Salmonella in chickens.

Salmonella is one of the major causes of foodborne illnesses in the US, and chickens and chicken products (eggs and meat) have been considered the main vehicles of Salmonella infection in humans.

In the new study, published in the journal Microbiology Spectrum, researchers identified a set of antimicrobial peptides that could kill many different types of Salmonella in test tubes, then showed they could also kill Salmonella in chickens.

The antibacterial activity of the peptides is likely due to their effect on Salmonella membranes. The researchers said the peptides retain their activity upon exposure to heat and protease treatments, characteristics necessary for the use of antimicrobial products in the poultry industry.

“We identified 2 antimicrobial peptides that kill many different types of Salmonella and also reduce Salmonella load in chickens,” Rajashekara said.

The expert noted that their next step "is to test these peptides in chickens on a large scale, optimise their delivery in water and/or feed, understand better how they kill Salmonella, and explore more peptides like these for their anti-Salmonella activity.”

- IANS

Share this article:

Reader Comments

R
Rohit P
Great research, but I hope they consider the cost factor. In a country like India where chicken is a major protein source, any new technology needs to be affordable for farmers and consumers alike.
A
Ananya R
As a microbiology student, this is so exciting! Antimicrobial peptides working against multiple pathogens like Salmonella and E. coli could revolutionize food safety. The heat resistance property is particularly impressive for our Indian cooking conditions. 🔬
D
David E
While this sounds promising, I'm concerned about long-term effects. We've seen many "miracle solutions" before that created new problems. Hope they conduct thorough safety studies before commercial use.
M
Meera T
This could be a game-changer for Indian poultry industry! Foodborne illnesses are a real concern here, especially during monsoon season. If these peptides can work in our local conditions, it would be amazing. 🐔
V
Vikram M
Excellent research! Antimicrobial resistance is becoming a huge problem worldwide. Alternatives like this are desperately needed. Hope Indian research institutions collaborate on similar studies for our specific needs.

We welcome thoughtful discussions from our readers. Please keep comments respectful and on-topic.

Leave a Comment

Minimum 50 characters 0/50