Seaweed study fuels bioenergy enthusiasm

Engineered E. coli can convert cell wall component into ethanol

By Rachel Ehrenberg, 15:13 PM January 19, 2012

Seaweed has long made biofuel prospectors drool, but they hadn’t figured out how to efficiently chew through the stuff — until now. Researchers have engineered a bacterium that can break down and digest seaweed’s gummy cell walls to yield ethanol and other useful compounds. If scientists can make the process work at larger scales, seaweed could soon be a serious contender as a source of renewable fuel.

The new research “makes a pretty large leap forward,” says metabolic engineer Hal Alper o...

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