Corynebacterium glutamicum Engineered to Express Vibrio-Derived Enzymes for Complete Alginate Breakdown

Researchers have successfully engineered the bacterium *Corynebacterium glutamicum* to express two alginate-degrading enzymes, AlyB and AlyD, originally derived from the marine bacterium *Vibrio algivorus*. This development marks a significant step in understanding and utilizing enzymatic processes for complete alginate breakdown. Alginate, a polysaccharide found in seaweed, holds potential for various applications in sustainable bioprocessing. The study demonstrates how these enzymes work together to achieve full depolymerization of alginate, paving the way for advancements in seaweed valorization.

The research focused on introducing the genes encoding AlyB and AlyD into *Corynebacterium glutamicum*, enabling it to produce both enzymes heterologously. These enzymes target different bonds within the alginate structure, allowing for its comprehensive degradation into simpler compounds. The findings provide insight into the enzymatic mechanisms involved and highlight their potential use in converting seaweed biomass into valuable products. This approach could contribute to future developments in bioengineering and sustainable resource utilization by leveraging seaweed as a renewable feedstock.

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Source: GO-AI-ne1

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Date: April 7, 2026

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GOAI