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Posted Wed Nov 2 2011: from Indiana University:
IU biologists identify light-regulated mechanism in cyanobacteria as aid to optimizing photosynthesis
Indiana University biologists have uncovered how a control system works in producing the important light-harvesting antennae that power photosynthesis in cyanobacteria, the microorganisms that are progenitors of all land plants and responsible for nearly half of the Earth's current oxygen production. Implications of fully comprehending the mechanism, called "light-regulated transcription attenuation," include the potential for increasing agricultural yields, making bio-solar energy production more feasible, and improving understanding of a globally important biological process that is vital for providing the energy needed to sustain virtually all life on Earth...
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