News International Sugar Journal

Bioengineered Escherichia coli converts seaweed into ethanol [Registered]

A team of scientists from California’s Bio Architecture Lab (BAL) have succeeded in bioengineering Escherichia coli to extract all the major sugars in seaweed (microalgae) and convert them into ethanol. BAL’s E. coli could be modified to produce other renewable fuels and chemicals. About 60% of the dry biomass of seaweed are fermentable carbohydrates, and approximately half of those are locked in a single carbohydrate – alginate. BAL scientists have engineered an enzyme to degrade and a pathway to metabolize the alginate, allowing utilization of all the major sugars in seaweed for the production of renewable fuels and chemicals. BAL’s…

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