Articles | Volume 14, issue 6
Biogeosciences, 14, 1445–1455, 2017
https://doi.org/10.5194/bg-14-1445-2017
Biogeosciences, 14, 1445–1455, 2017
https://doi.org/10.5194/bg-14-1445-2017

Research article 21 Mar 2017

Research article | 21 Mar 2017

Viable cold-tolerant iron-reducing microorganisms in geographically diverse subglacial environments

Sophie L. Nixon et al.

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Latest update: 17 Jan 2022
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Short summary
Despite their permanently cold and dark characteristics, subglacial environments (glacier ice–sediment interface) are known to harbour active microbial communities. However, the role of microbial iron cycling in these environments is poorly understood. Here we show that subglacial sediments harbour active iron-reducing microorganisms, and they appear to be cold-adapted. These results may have important implications for global biogeochemical iron cycling and export to marine ecosystems.
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