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Caption: This shows a negative contrast highlight of the same protease-negative cheater colony as in the previous image. This image relates to a paper that appeared in the Oct. 12, 2012, issue of Science, published by AAAS. The paper, by Ajai Dandekar at University of Washington School of Medicine in Seattle, Wash., and colleagues was titled, “Bacterial Quorum Sensing and Metabolic Incentives to Cooperate.”
Credit: [Image courtesy of Ajai Dandekar, University of Washington]
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