Using bacteria to generate energy hopeful

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    The revelation was published in Proceedings² of the National Academy of Sciences in the U.S. on Monday.

    Scientists used a technique called "x-ray crystallography" to reveal the molecular structure of proteins, which work as atom-sized "wires" discharging excess electricity.

    "This is an exciting advance in our understanding of how some bacterial³ species move electrons from the inside to the outside of a cell," said lead author Tom Clarke of the University of East Anglia's School of Biological Sciences in Norwich, England.

    He said this discovery means "We can now start developing efficient 'bio-batteries' as the viable⁴ energy source in the future."Still, it could take perhaps a decade to go. Before that, existing uses of such bacteria needed to become 100 or 1,000 times more efficient, he said.

    The advance could also hasten the development of microbe technology that can help clean up oil or uranium pollution, he said.

    Microbes might in future be enlisted⁵ to clean up nuclear accidents such as Japan's Fukushima Daiichi disaster, he added.(本文由在线英语听力室整理编辑)

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