by Melissa Lee Phillips
RESEARCH ROUND-UP	Sun-free photosynthesis? Email: Melissa Lee Phillips - mlp@nasw.org News from The Scientist 2005, 6(1):20050621-01 Published   21 June 2005

Photosynthetic bacteria may be able to live without solar light, instead using thermal radiation from hot fluid for energy, according to a study in this week's PNAS. Researchers led by J. Thomas Beatty of the University of British Columbia, Vancouver, have found obligately photosynthetic green sulfur bacteria at a deep-sea hydrothermal vent more than a mile below the ocean surface.

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