Eberhard Karls Universität Tübingen
Zentrum für Angewandte Geowissenschaften (ZAG)
Arbeitsgruppe Geomikrobiologie
Address
Schnarrenbergstraße 94-96
72076 Tübingen
Deutschland
GERiT
This institution in GERiT
72076 Tübingen
Projects
Research Fellowships
Completed projects
Geomikrobiologie des Eisens: Anaerobe Oxidation von Fe(II)-Mineralien durch phototrophe und nitratreduzierende Bakterien (Substratspezifität, Produktbildung, Biochemie der Fe(II)-Oxidation, Eisenisotopenfraktionierungen
(Applicant
Kappler, Andreas
)
Emmy Noether Independent Junior Research Groups
Completed projects
Mikrobielle Bildung reaktiver Eisen- und Huminstoffphasen
(Applicant
Kappler, Andreas
)
Research Units
Completed projects
Direct and indirect formation of organohalogens by microorganisms
(Applicant
Kappler, Andreas
)
Formation of volatile organohalogens by microbially catalyzed redox reactions of iron minerals and humic substances
(Applicant
Kappler, Andreas
)
Identification of polysulfides and their importance as intermediate sulfur species for electron transfers processes in anoxic aquifers
(Applicant
Planer-Friedrich, Britta
)
Redox activity of humic substances and their role as electron shuttles between microorganisms and Fe(III)-minerals
(Applicant
Kappler, Andreas
)
Research Grants
Current projects
Arsenic mobilization into groundwater caused by microbial iron(III) mineral reduction coupled to methane oxidation in the Red River delta in Vietnam
(Applicants
Kappler, Andreas
;
Kleindienst, Ph.D., Sara
)
Elucidating microbial and abiotic iron and silica mineral precipitation relevant for Banded Iron Formations (BIFs) in column experiments
(Applicant
Kappler, Andreas
)
Elucidating the role of natural organic matter in the methane producing and consuming microbial processes in northern peatlands
(Applicant
Kappler, Andreas
)
Formation of Biogenic Iron-Oxides (BIOS) and their susceptibility to microbial iron reduction and fermentation under anoxic conditions
(Applicants
Kappler, Andreas
;
Mansor, Ph.D., Muammar
)
Pyrite formation at ambient temperature – resolving the interplay between microbes, iron minerals, sulfur supplies and associated organics
(Applicants
Kappler, Andreas
;
Mansor, Ph.D., Muammar
;
Obst, Martin
;
Peiffer, Stefan
)
The role of root-soil interactions in shaping greenhouse gas dynamics from thawing permafrost soils
(Applicants
Kappler, Andreas
;
Muehe, Ph.D., E. Marie
)
Completed projects
Abundance, activity and interreation of phototrophic and chemotrophic microbial iron oxidation in freshwater sediments
(Applicant
Kappler, Andreas
)
Biological Origin of Precambrian Banded Iron Formations
(Applicant
Kappler, Andreas
)
Can iron-metabolizing bacteria control the fate of carbon during permafrost thaw?
(Applicant
Kappler, Andreas
)
Change of magnetic mineralogy related to groundwater fluctuation and hydrocarbon contamination
(Applicant
Kappler, Andreas
)
Chemical signatures of magnetite produced by iron-metabolizing bacteria
(Applicants
Kappler, Andreas
;
Schönberg, Ph.D., Ronny
)
Fe(II) oxidation by metabolically flexible phototrophs under complex geochemical conditions
(Applicant
Kappler, Andreas
)
From a modern highly mineralized spring to the Paleoproterozoic ocean: geomicrobiology and isotopic biogeochemistry of the Arvadi spring, Switzerland
(Applicants
Kappler, Andreas
;
Schönberg, Ph.D., Ronny
;
Strauß, Harald
)
Geochemical patterns and microbial contribution to iron plaque formation in the rice plant (Oryza sativa) rhizosphere
(Applicants
Kappler, Andreas
;
Schmidt, Caroline
)
Heterogene Oxidation von Fe(II) in wässrigen Systemen: Abhängigkeit der Produktbildung von Umweltfaktoren
(Applicant
Haderlein, Stefan
)
Hydrocarbon induced changes of magnetic properties in soil
(Applicant
Appel, Erwin
)
Immobilisation of arsenic in paddy soil by iron(II)-oxidizing bacteria
(Applicant
Kappler, Andreas
)
Inducing magnetite formation by microbial Fe(II) oxidation in the presence of mineral nucleation sites: Evaluating a novel approach to heavy metal remediation in the environment.
(Applicant
Kappler, Andreas
)
Iron cycling in freshwater sediments under oxic and anoxic conditions.
(Applicant
Kappler, Andreas
)
Mechanism of microbial humic substance electron shuttling to Fe(III) minerals
(Applicant
Kappler, Andreas
)
Microbial and diagenetic origins for BIFs mineralogy
(Applicant
Kappler, Andreas
)
Microbial Fe cycling during the genesis of Banded Iron Formations: influence on Fe mineral (trans)formation and nickel and phosphate mobility
(Applicant
Kappler, Andreas
)
Microbial Fe(II) oxidation and heavy metal co-precipitation in the Rio Tinto region, Spain
(Applicant
Kappler, Andreas
)
Microbial oxidation of Fe(II)-natural organic matter complexes
(Applicant
Kappler, Andreas
)
Microbial processes and iron-mineral formation in household sand filters used to remove arsenic from drinking water in Vietnam
(Applicant
Kappler, Andreas
)
Nitrate-reducing Fe(II)-oxidizing microorganisms in a geochemical and mineralogical Mars terrestrial analogue (Rio Tinto, Spain)
(Applicants
Kappler, Andreas
;
Kleindienst, Ph.D., Sara
)
Preservation of bacterial microfossils of Fe-oxidizing bacteria during diagenesis of sedimentary deposits, i.e. banded iron formations
(Applicant
Kappler, Andreas
)
Probing the reactivity of bio-engineered magnetic magnetite nanoparticles with metals and metalloids
(Applicant
Kappler, Andreas
)
Retardation and mobilization of arsenic at redox fronts under advective flow conditions - a concerted multidisciplinary approach (AdvectAs)
(Applicants
Cirpka, Olaf A.
;
Kappler, Andreas
;
Neumann, Thomas
)
Simulation of iron mineral diagenesis in ancient iron formations by P/T-treatment of biogenic and abiogenic iron minerals
(Applicant
Kappler, Andreas
)
Simultaneous minimization of arsenic mobilization and N2O emission in rice paddy soils
(Applicants
Kappler, Andreas
;
Zarfl, Christiane
)
Sustainable approaches to minimize arsenic in drinking water and rice in Vietnam
(Applicant
Kappler, Andreas
)
The biogeochemical coupling of Cd and Fe cycles in agricultural soils under varying redox and geochemical conditions
(Applicant
Kappler, Andreas
)
The impact of light on microbial iron(II) oxidation in freshwater sediments.
(Applicant
Kappler, Andreas
)
The importance of iron redox reactions and mineral transformations for the fate of phosphorus in the environment
(Applicants
Kappler, Andreas
;
Mansor, Ph.D., Muammar
)
The influence of thioarsenic species formation on arsenic complexation to natural organic matter
(Applicant
Planer-Friedrich, Britta
)
Priority Programmes
Current projects
Magnetite anodes to inhibit oxygen production and to circumvent membranes in microbial electrosynthesis
(Applicants
Angenent, Ph.D., Largus
;
Kappler, Andreas
)
Completed projects
DeepEarthshape: Geomicrobiology "Iron-metabolizing bacteria as a driving force in weathering of silicate minerals"
(Applicants
Kappler, Andreas
;
Neumann, Thomas
)
Investigating the roles of Fe(II)-silicate and Fe(III)-silicate complexes and nanoparticles in the survival of early cyanobacteria and photoferrotrophic bacteria
(Applicant
Kappler, Andreas
)
Mikrobiologisch/chemisch erzeugte adaptive Oberflächen für keramische Hochtemperaturwerkstoffe
(Applicants
Kappler, Andreas
;
Nickel, Ph.D., Klaus G.
)
WBP Position
Current projects
Redox properties of iron-organic matter phases: Influence of structure on biological Fe(III) reduction with implications for carbon cycling
(Applicant
Hudson, Ph.D., Jeffrey
)
Major Research Instrumentation
Completed projects
Cryogenic Focused Ion Beam Scanning Electron Microscope (cryo-FIB-SEM)
Collaborative Research Centres
Completed projects
Floodplain Biochemistry - Redox Buffering and Contaminant Fate in Waterlogged Sediments
(Project Heads
Griebler, Christian
;
Haderlein, Stefan
;
Huhn, Carolin
;
Kappler, Andreas
;
Orsetti, Silvia
)
Fractured Aquifers - Pollutant Transformations at the Groundwater - Rock Matrix Interface
(Project Heads
Grathwohl, Peter
;
Kappler, Andreas
;
Kleindienst, Ph.D., Sara
)
Clusters of Excellence (ExStra)
Current projects
EXC 2124: Controlling Microbes to Fight Infections (CMFI)
(Spokespersons
Brötz-Oesterhelt, Heike
;
Ley, Ph.D., Ruth
;
Peschel, Andreas
)
