The active sulfate-reducing microbial community in littoral sediment of oligotrophic Lake Constance
S Wörner, M Pester - Frontiers in Microbiology, 2019 - frontiersin.org
Active sulfate-reducing microorganisms (SRM) in freshwater sediments are under-
examined, despite the well-documented cryptic sulfur cycle occurring in these low-sulfate
habitats. In Lake Constance sediment, sulfate reduction rates of up to 1,800 nmol cm-3 day-
1 were previously measured. To characterize its SRM community, we used a tripartite
amplicon sequencing approach based on 16S rRNA genes, 16S rRNA, and dsrB transcripts
(encoding the beta subunit of dissimilatory sulfite reductase). We followed the respective …
examined, despite the well-documented cryptic sulfur cycle occurring in these low-sulfate
habitats. In Lake Constance sediment, sulfate reduction rates of up to 1,800 nmol cm-3 day-
1 were previously measured. To characterize its SRM community, we used a tripartite
amplicon sequencing approach based on 16S rRNA genes, 16S rRNA, and dsrB transcripts
(encoding the beta subunit of dissimilatory sulfite reductase). We followed the respective …
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