Only a small sliver of human DNA is functional, say researchers from the University of Oxford in PLOS Genetics. They calculate that 8.2 percent of the human genome is under negative selection and thus likely to be functional.
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In PNAS this week: The sea anemone is sequenced, a team describes a CRISPR/Cas9-based approach to label specific sites in the genome, and more.
In a short video, CNN introduces viewers to a fecal transplant poop donor and explains how the treatments are made.
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Two recent papers published in Science and Nature Medicine describe work that may result in a universal vaccine for the flu.