16S rRNA sequencing of PM2.5 in the smelting area
Smelting is a major anthropogenic source of heavy metals, which can drive antibiotic resistance via co-selective mechanisms. However, resistance determinants in smelting-associated fine particulate matter (PM2.5) remain poorly characterized. Here, we performed metagenomic and comparative genomic analyses on PM2.5 samples collected from eight active smelting sites in China.