Antibacterial ingredients in indoor dust could contribute to antibiotic resistance

Antibiotic-resistant bacteria, known as "superbugs," pose a major public health threat. Some officials have even warned of a post-antibiotic—and sicker—era. To better understand the problem, researchers have been piecing together its contributing factors. Now in the ACS journal Environmental Science & Technology, scientists report for the first time a link between antimicrobial substances such as triclosan in indoor dust and levels of antibiotic-resistance genes, which can transfer from one bacterial cell to another.

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