Abstract
Here, we describe the genome sequence of Acidianus ambivalens DSM 3772, an archaeon belonging to the Sulfolobales order that was first isolated from continental solfataric fields. This thermoacidophile was sequenced because it utilizes a unique sulfur disproportionation pathway that enables this metabolism under aerobic conditions, in contrast to obligately anaerobic bacterial sulfur disproportionators.
Highlights
Acidianus ambivalens DSM 3772 is an obligate chemolithoautotrophic acidophile isolated from continental solfataric fields [1, 2]
The A. ambivalens genome was recovered at 140ϫ average coverage as 721,210 reads, which were assembled into 65 contigs with an N50 value of 1,228,068 bp and totaling 2,326,940 bp encoding 2,794 coding sequences and 48 RNAs
The aerobic sulfur disproportionation pathway encoded by A. ambivalens differs from that of anaerobic sulfur disproportionators, which encode a variant of the dissimilatory sulfate reduction pathway [5, 14, 15]
Summary
Acidianus ambivalens DSM 3772 is an obligate chemolithoautotrophic acidophile isolated from continental solfataric fields [1, 2]. The A. ambivalens genome was recovered at 140ϫ average coverage as 721,210 reads, which were assembled into 65 contigs with an N50 value of 1,228,068 bp and totaling 2,326,940 bp encoding 2,794 coding sequences and 48 RNAs. The genome has a 34.4% GC content. CheckM estimates the genome to be 100% complete based on the presence of single-copy marker genes with 0% redundancy and strain heterogeneity.
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