Bactericidal action of violacein revealed

In an article published in the journal ACS Infectious Diseases, Brazilian researchers describe the bactericidal action mechanism of violacein, a violet pigment produced by environmental bacteria, especially Chromobacterium ...

Novel antibiotic resistance gene in milk

Researchers of the University of Bern have identified a new antibiotic resistance gene in bacteria from dairy cows. This gene confers resistance to all beta-lactam antibiotics including the last generation of cephalosporins ...

An engineer's perspective on using silver against microbes

Humans have appreciated silver's antimicrobial activity for millennia. Hippocrates used the precious metal for wound dressings while the pioneers of the American frontier placed coins in their water to guard against bacteria ...

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