"A series of experiments by researchers at the California Institute of Technology found that dry soil-drought conditions-consistently select for and enrich antibiotic resistance in soil bacterial communities."
"More concerningly, the researchers found that pro-resistance conditions in soil link to higher frequencies of antibiotic-resistant infections in hospitals around the world."
"Assuming the link is real, projections indicate that drought-threatened regions across the globe will face heightened emergence of antibiotic resistance."
"Our study offers a clear example of how climate change has the potential to intersect with microbial ecology to shape public health outcomes."
Soil bacteria produce antibiotics to combat each other, leading to the development of modern antibiotics for treating infections. However, antibiotic resistance is rising, complicating treatment. A study from Caltech reveals that drought conditions in soil enhance antibiotic resistance in bacterial communities, correlating with increased resistant infections in hospitals. With climate change expected to worsen droughts, the emergence of antibiotic resistance may escalate in affected regions. The study suggests a significant intersection between climate change, microbial ecology, and public health outcomes.
Read at Ars Technica
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