Fig. 4From: Characterization of the public transit air microbiome and resistome reveals geographical specificityGeographical specificity in public transit air resistome. Heatmap of the top 30 AR protein families based on average reads per kilobase per million (RPKM) reads across metagenomes. Core AR protein families (those detected in ≥ 75% of the entire dataset) are indicated in red and asterisksBack to article page