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Biogeosciences An interactive open-access journal of the European Geosciences Union
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Volume 12, issue 18
Biogeosciences, 12, 5277–5289, 2015
https://doi.org/10.5194/bg-12-5277-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Biogeosciences, 12, 5277–5289, 2015
https://doi.org/10.5194/bg-12-5277-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 16 Sep 2015

Research article | 16 Sep 2015

Iron encrustations on filamentous algae colonized by Gallionella-related bacteria in a metal-polluted freshwater stream

J. F. Mori et al.
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We studied filamentous macroscopic algae growing in metal-rich stream water that leaked from a former uranium-mining district. These algae were encrusted with Fe-deposits that were associated with microbes, mainly Gallionella-related Fe-oxidizing bacteria, and extracellular polymeric substances. Algae with a lower number of chloroplasts often exhibited discontinuous series of precipitates, likely due to the intercalary growth of algae which allowed them to avoid detrimental encrustation.
We studied filamentous macroscopic algae growing in metal-rich stream water that leaked from a...
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