New Ways to Reduce Antibiotics in Food Animals by 2030. Animals Biology Health 

New Ways to Reduce Antibiotics in Food Animals by 2030

By Neha Jain @lifesciexplore In a new study, researchers in the United States and Europe propose three measures—capping antibiotic use in farm animals, imposing a fee for veterinary use of antibiotics, and limiting meat intake—that, together, can reduce the use of antibiotics in food animals by up to 80 percent by 2030. Antibiotic resistance results from antibiotics overuse Overuse of antibiotics, particularly in animals for food, is the main cause of the spread of resistance whereby antibiotics lose their effectiveness, and infections become untreatable, leading to what many scientists call…

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Spinach, iron, and fiber Biology Health 

Stopping Bacteria from Stealing Our Iron

By Ada Hagan @adahagan As we discussed last time, bacteria that infect the human body face a major challenge, iron, which is essential for bacterial growth, is hard to obtain from human tissues.  Many pathogenic bacteria solve this problem by deploying “stealth siderophores,” which steal iron from human iron-binding proteins while evading our defenses. In the battle between humans and pathogenic bacteria, our best weapons—antibiotics—are being weakened by widespread resistance. Is there a way to use bacteria’s need for iron against them? Researchers have pursued the answer to this question…

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Komodo Dragon Blood Inspires Alternative Antibiotic Biology Health 

Komodo Dragon Blood Inspires Alternative Antibiotic

By Katherine Lindemann In light of growing concerns about antibiotic resistance, the search is on for alternatives to existing antibiotics. Peptides, small protein-like molecules that sometimes have antimicrobial properties, are one promising avenue. In a new study, researchers modeled a synthetic peptide after one that occurs naturally in the blood of Komodo dragons, protecting the reptiles from infection. They found that it helped heal infected wounds in mice. The peptide, called DRGN-1, works by increasing the permeability of bacterial membranes. It also promotes the migration of skin cells to the…

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Wood Ants Make Defensive Cocktails Against Microbes Animals Chemistry 

Wood Ants Make Defensive Cocktails Against Microbes

By Neha Jain @lifesciexplore Wood ants are natural mixologists, concocting their own defensive cocktails, a new study finds. They protect themselves from infection by mixing self-produced acid with resin collected from trees to create a potent antimicrobial. “This is an unusual case where insects combine plant defenses with their own chemical defenses to produce a potent antimicrobial substance,” says Michel Chapuisat, of the University of Lausanne, Switzerland, who is the senior author of the study. We sanitize our homes using cleaners such as alcohol and bleach to protect ourselves from…

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