Increased
levels of antibiotic resistant bacteria in the environment may have different
causes. It could be a consequence of on-site selection from antibiotic residues
in the environment, hence promoting the evolution of new forms of resistance.
Alternatively, it is simply due contamination by fecal bacteria that often tend
to be more resistant than other bacteria. Understanding which explanation is
correct is fundamental to manage risks.
Joakim
Larsson, Professor in Environmental Pharmacology at Sahlgrenska Academy,
University of Gothenburg, and one of the co-authors, said: "These finding
are important as they can inform management of human health risks associated
with antibiotic resistant bacteria in the environment. While antibiotic
residues is clearly the cause for the exceptionally high levels of resistance
found near some manufacturing sites, fecal pollution is probably the
explanation in most other places.
See:
Posted by Dr. Tim Sandle, Pharmaceutical Microbiology
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Pharmaceutical Microbiology