Abstract
Bacteria belonging to the family Acidimicrobiaceae are frequently encountered in heavy metal-contaminated acidic environments. However, their phylogenetic and metabolic diversity is poorly resolved. We present draft genome sequences of two novel and phylogenetically distinct Acidimicrobiaceae members assembled from an acid mine drainage biofilm metagenome.
Highlights
Bacteria belonging to the family Acidimicrobiaceae are frequently encountered in heavy metal-contaminated acidic environments
Ͼ90% complete draft genomes of novel Acidimicrobiaceae members, designated RAAP-2 and RAAP-3, from an acid-mine drainage (AMD) metagenome originating from a streamer biofilm growing in acidic heavy metal-contaminated mine-water in Colorado, USA
Post-reassembly, contigs less than 1 kb, and coverage profile outliers were removed. This resulted in a draft genome size of 2.24 MB for RAAP-2 and 3.05 MB for RAAP-3 with 58 and 149 contigs and GϩC content of 65 and 47%, respectively
Summary
Bacteria belonging to the family Acidimicrobiaceae are frequently encountered in heavy metal-contaminated acidic environments. Members of the family Acidimicrobiaceae, with the exception of Ilumatobacter sp., are typically found in acidic, metal laden environments where they characteristically oxidize ferrous iron (1). Of the five Acidimicrobiaceae genome assemblies available, only two are complete and annotated (Acidimicrobium ferrooxidans DSM 10331 [3] and Ilumatobacter coccineus YM16-304 [4]). Ͼ90% complete draft genomes of novel Acidimicrobiaceae members, designated RAAP-2 and RAAP-3, from an acid-mine drainage (AMD) metagenome originating from a streamer biofilm growing in acidic (pH ~ 3) heavy metal-contaminated mine-water in Colorado, USA.
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