Posted: 05 Dec 2014 08:40 AM PST
One of the oldest and most widely used antibiotics, penicillin, attacks enzymes that build the bacterial cell wall. Researchers have now shown that penicillin and its variants also set in motion a toxic malfunctioning of the cell's wall-building machinery, dooming the cell to a futile cycle of building and then immediately destroying that wall.
Posted: 02 Dec 2014 05:24 AM PST
A network of genes that appear to work together in determining alcohol dependence has been discovered by researchers. The findings, which could lead to future treatments and therapies for alcoholics and possibly help doctors screen for alcoholism, resulted from comparing brain tissue of alcoholics and non-alcoholics.
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