Special Lactic Acids Offer a New Approach to Reducing Antibiotic Resistance in Infants
New research indicates that supporting beneficial bifidobacteria in infants' guts through special lactic acids can significantly reduce antibiotic-resistant bacteria, offering a natural strategy to combat resistance from early life.
Recent research from the Technical University of Denmark (DTU) highlights a promising natural strategy to combat the growing issue of antibiotic resistance in infants. The study reveals that a specific subgroup of naturally occurring bifidobacteria in the gut produces unique lactic acids that play a crucial role in preventing the proliferation of antibiotic-resistant bacteria. This discovery emphasizes the importance of nurturing beneficial gut bacteria from early infancy to reduce the risk of resistance gene transfer, which can complicate treatments during childhood.
The study analyzed 547 stool samples collected over five years from 56 children and their mothers, providing detailed insights into how gut bacteria interact and influence resistance development. The findings show that high levels of these special bifidobacteria correlate with lower counts of resistant bacteria, suggesting that supporting these bacteria can be a vital component of child health and antimicrobial stewardship.
Infants with a higher presence of beneficial bifidobacteria are less likely to harbor resistant bacteria, which is vital since infections caused by resistant bacteria, such as Klebsiella pneumoniae, can be harder to treat with standard antibiotics. Professor Susanne Brix Pedersen explains that developing rapid tests to assess a child's bifidobacteria levels early in life could help identify those who might benefit from supplements containing these bacteria.
Supporting the growth of beneficial bifidobacteria might involve dietary interventions or supplements. The ongoing BEGIN study at Aarhus University Hospital, for example, investigates whether a probiotic supplement containing these bacteria can bolster infants’ immune defenses, reducing their vulnerability to infections and resistance development.
This research paves the way for a natural, preventive approach to tackle antibiotic resistance beginning from the earliest stages of life. Strengthening the gut microbiome early on could be a critical step in safeguarding children's health against future infections, making this an important area for further development and application in pediatric healthcare.
Source: https://medicalxpress.com/news/2025-09-special-lactic-acids-antibiotic-resistance.html
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