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The researchers started with 50 samples collected from 1941 to 1947, and they found that the samples contained seven different Streptococcus species, including two subspecies of S. dysgalactiae. Interestingly, the researchers found some of the samples were resistant to the antibiotic tetracycline and did not carry antibiotic resistance genes typically seen in today s antibiotic-resistant bacterial strains. Since these samples were collected prior to the antibiotic era, the results add to a growing body of literature showing that antibiotic resistance occurred naturally before humans discovered and began to use antibiotics. ....
Uncovering New Details From 1940s Milk Samples miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.
Sometime in the 1940s or so, someone in what is now the Department of Pathobiology and Veterinary Science got a lyophilizer, a piece of equipment that freeze-dries samples, says Director of the Connecticut Veterinary Medical Diagnostic Laboratory (CVMDL) ....
Cardiovascular disease is a massive problem as it is killing nearly 20 million people around the globe each year. But researchers at Michigan State University are thinking very small about new ways to fight heart disease. ....