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Magnetite Formation by the Novel Fe(III)-reducing Geothrix fermentans Strain HradG1 Isolated from a Hydrocarbon-Contaminated Sediment with Increased Magnetic Susceptibility

Title data

Klueglein, Nicole ; Lösekann-Behrens, Tina ; Obst, Martin ; Behrens, Sebastian ; Appel, Erwin ; Kappler, Andreas:
Magnetite Formation by the Novel Fe(III)-reducing Geothrix fermentans Strain HradG1 Isolated from a Hydrocarbon-Contaminated Sediment with Increased Magnetic Susceptibility.
In: Geomicrobiology Journal. Vol. 30 (2013) Issue 10 . - pp. 863-873.
ISSN 1521-0529
DOI: https://doi.org/10.1080/01490451.2013.790922

Abstract in another language

Surface sediments at the former military base Hradcany, Czech Republic, heavily contaminated with hydrocarbons, were remediated over years by air-sparging. The sediments show a strong magnetic enhancement at the groundwater fluctuation zone. Here we describe the isolation of a new Fe(III)-reducing and magnetite-producing bacterial strain Geothrix fermentans HradG1from this magnetic and redox-dynamic layer. This isolation underlines that the genus Geothrix is a relevant group of bacteria in hydrocarbon-contaminated environments that undergo dynamic oxic-anoxic redox fluctuations. The Fe(III)-reducing metabolic activity of these organisms potentially leads to changing magnetic soil properties that can potentially be used to identify biogeochemical hotspots.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER135425
Keywords: Biodegradation; Biomineralization; Groundwater; Iron reduction; Molecular ecology
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Heisenberg Professorship - Experimental Biogeochemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Heisenberg Professorship - Experimental Biogeochemistry > Heisenberg Professorship - Experimental Biogeochemistry - Univ.-Prof. Dr. Martin Obst
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Result of work at the UBT: No
DDC Subjects: 500 Science
500 Science > 550 Earth sciences, geology
Date Deposited: 13 Aug 2020 10:03
Last Modified: 15 Sep 2020 08:53
URI: https://eref.uni-bayreuth.de/id/eprint/56479