Amazon deforestation enriches antibiotic resistance genes
The expansion of livestock production and agriculture is responsible for the increase of deforestation rates in the Amazon rainforest, with consequences to climate and micro and macro biodiversity. Although many studies have evaluated the effects of deforestation on the microbiome, its effect on the soil resistome remains unknown. Considering that antibiotic resistance genes (ARGs) are a threat to global health and food security, here we evaluated how land-use change in the Amazon region impacts the soil resistome. Our analysis revealed that several antibiotic resistance mechanisms and genes are common to both the native forest and the altered areas; however, deforestation and subsequent conversion to other land-use systems increased the diversity and abundance of these genes.
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