Changing bacterial feedstock unlocks flexible biopolymers with stronger antibacterial effects
Researchers at Hiroshima University discovered that changing the carbon source used in bacterial fermentation significantly alters the properties of produced biopolymers. Using sugarcane molasses instead of refined sucrose resulted in a more flexible, glucose-rich biopolymer with enhanced antibacterial effects.
Why it matters
This finding offers a cost-effective way to produce high-performance, sustainable biopolymers for medical and industrial applications using agricultural waste.
edited by Sadie Harley , reviewed by Robert Egan
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Add as preferred source A scanning electron micrograph of Escherichia coli, which are one of many strains of bacteria found in mammalian guts. Credit: National Institute of Allergy and Infectious Diseases, National Institutes of Health Changing the carbon source used during bacterial fermentation—essentially, what bacteria are fed—can significantly influence the properties of the sugar polymers they produce, known as bacterial exopolysaccharides (EPSs).
These EPSs are secreted by bacteria into their surroundings, where they form protective layers or biofilms and serve as valuable materials for a wide range of medical and industrial applications.
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