![]() “With metagenomics, you take all of the organisms from an environment and extract the sum total DNA of those organisms all mixed up together,” Withers explains. To assess potential enzyme candidates more quickly, Withers collaborated with a colleague at his institution, the University of British Columbia (UBC), who uses metagenomics to study ecology. “If you can remove those antigens, which are just simple sugars, then you can convert A or B to O blood.” He says scientists have pursued the idea of adjusting donated blood to a common type for a while, but they have yet to find efficient, selective enzymes that are also safe and economical. “We have been particularly interested in enzymes that allow us to remove the A or B antigens from red blood cells,” Stephen Withers, Ph.D., says. It features more than 10,000 presentations on a wide range of science topics.Ī brand-new video on the research is available at. ACS, the world’s largest scientific society, is holding the meeting here through Thursday. The researchers will present their results today at the 256 th National Meeting & Exposition of the American Chemical Society (ACS). Now, scientists say they have identified enzymes - from the human gut - that can turn type A and B blood into O, as much as 30 times more efficiently than previously studied enzymes. The nation’s blood supply was especially in need of O-type blood that can be universally administered in an emergency. East Coast, prompting the Red Cross to issue an urgent call for blood donations. 21, 2018 - In January, raging storms caused medical emergencies along the U.S. To ask questions online, sign in with a Google account.īOSTON, Aug. Reporters may check-in at the press center, Room 102 A, or watch live on YouTube. Eastern time in the Boston Convention & Exhibition Center. ![]() Note to journalists: Please report that this research will be presented at a meeting of the American Chemical Society.Ī press conference on this topic will be held Tuesday, Aug.
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