Jun.-Prof. Dr. Sabrina Hedrich

Foto Sabrina Hedrich







since 05/2020  Assistant professor at TU Bergakademie Freiberg for Biohydrometallurgy/Microbiology
2013-04/2020Research Fellow at the Federal Institute for Geosciences and Natural Resources (BGR), Hannover, Geomicrobiology unit (Prof. Dr. Axel Schippers)
since 2015Guest Lecturer for 'Geomicrobiology' at Montanuniversität Leoben (Austria)
2010-2012Postdoctoral Research Fellow at Bangor University (Wales, UK), Bangor Acidophile Research Team (Prof. Dr. D. Barrie Johnson)

PhD (Dr. rer. nat.) in Microbiology at TU Bergakademie Freiberg (Prof. Dr. Michael Schlömann) in collaboration with Prof. Dr. D.B. Johnson (Bangor University)

Title: Isolation of novel iron-oxidizing bacteria and their application in mine water remediation

11/2009-02/2010Leisler-Kiep travel grant - Bangor University, Bangor Acidophile Research Team (Prof. Dr. D. Barrie Johnson)
07/2007DAAD Travel grant - Bangor University, Bangor Acidophile Research Team (Prof. Dr. D. Barrie Johnson)
2007-2010PhD scholarship of the German Federal Environmental Foundation (Deutsche Bundesstiftung Umwelt)
2001-2006Diploma study of Applied Natural Sciences (Dipl.-Nat.) at TU Bergakademie Freiberg




Books and book chapters


Hedrich, S. & Schippers, A. (2020) Distribution of Acidophilic Microorganisms in Natural and Manmade Acidic Environments. In: Current issues in molecular biology. 40: 25-48.


Schippers, A. & Hedrich, S. (2018) Stand der Technik und Potential von Biohydrometallurgy für Recycling. In: Recycling und Rohstoffe, S. Thiel, E. Thomé-Kozmiensky, D. Goldmann (eds.). Thomé-Kozmiensky Verlag GmbH, Germany. 11: 351-360.


Hedrich, S., Rübberdt, K., Glombitza, F., Sand, W., Schippers, A., Véliz, M. V., Willscher, S. (eds.) (2017) 22nd Biohydrometallurgy Symposium. Solid State Phenomena 262, Trans Tech Publications, Switzerland.


Hedrich, S. & Schippers, A. (2016) Distribution of acidophilic microorganisms in natural and man-made acidic environments. In: Acidophiles - life in extremely acidic environments, D.B. Johnson and R. Quatrini (eds.). Caister Academic Press, UK, 153-175.


Schippers, A., Hedrich, S., Vasters, J., Drobe, M., Sand, W., Willscher, S. (2014) Biomining: Metal Recovery from Ores with Microorganisms. In: Geobiotechnology, A. Schippers, F. Glombitza, and W. Sand (eds.). Advances in Biochemical Engineering/Biotechnology 141: 1-47, Springer Berlin Heidelberg.


Edited special issues


Hedrich, S., Sand, W., Vera, M. (eds.) (2018) Special issue on Biohydrometallurgy, IBS 2017, Freiberg. Research in Microbiology 169: 543-658.


Peer-reviewed articles


Abhilash, Hedrich, S., Schippers, A. (2021) Distribution of scandium in red mud and extraction using Gluconobacter oxydans. Hydrometallurgy 202: 105621.

Zhang, R., Hedrich, S., Decai, J., Breuker, A., Schippers, A. (2021) Sulfobacillus harzensis sp. nov., an acidophilic bacterium inhabiting mine tailings from a polymetallic mine. International Journal of Systematic and Evolutionary Microbiology 71 (7)


Kucera, J., Lochman, J., Bouchal, P., Pakostova, E., Mikulasek, K., Hedrich, S., Janiczek, O., Mandl, M., Johnson, D. B. (2020) A Model of Aerobic and Anaerobic Metabolism of Hydrogen in the Extremophile Acidithiobacillus ferrooxidans. Frontiers in Microbiology 11: 3003,


Zhang, R., Hedrich, S., Römer, F., Goldmann, D., Schippers, A. (2020) Bioleaching of cobalt from Cu/Co-rich sulfidic mine tailings from the polymetallic Rammelsberg mine, Germany. Hydrometallurgy 197: 105443.


Hedrich, S., Kraemer, D., Junge, M.,  Marbler, H., Bau, M., Schippers, A. (2020) Bioprocessing of oxidized platinum group element (PGE) ores as pre-treatment for efficient chemical extraction of PGE. In: Hydrometallurgy 196: 105419.


González, D., Huber, K. J., Tindall, B., Hedrich, S., Rojas-Villalobos, C., Quatrini, R., Dinamarca, M. A., Ibacache-Quiroga, C., Schwarz, A., Canales, C., Nancucheo, I. (2020) Acidiferrimicrobium australe gen. nov., sp. nov., an acidophilic and obligately heterotrophic, member of the Actinobacteria that catalyses dissimilatory oxido-reduction of iron isolated from metal-rich acidic water in Chile. International Journal of Systematic and Evolutionary Microbiology 70: 3348–3354.


Willis, G., Nancucheo, I., Hedrich, S., Giaveno, A., Donati, E., Johnson, D.B. (2019) Enrichment and isolation of acid-tolerant sulfate-reducing microorganisms in the anoxic, acidic hot spring sediments from Copahue volcano, Argentina. FEMS Microbiology Ecology 95: fiz175.

González, D., Liu, Y., Gomez, D. V., Southam, G., Hedrich, S., Galleguillos, P., Colipai, C., Nancucheo, I. (2019) Performance of a sulfidogenic bioreactor inoculated with indigenous acidic communities for treating an extremely acidic mine water. Minerals Engineering 131: 370-375.


Guézennec, A.-G., Joulian, C., Jacob, J., Bodenan, F., d´Hugues, P., Hedrich, S. (2018) Influence of CO2 supplementation on the bioleaching of a copper concentrate from Kupferschiefer-type ore. Hydrometallurgy 180: 277-286.


Hedrich, S., Kermer, R. Aubel, T. Martin, M., Schippers, A., Johnson, D.B., Janneck, E. (2018) Implementation of biological and chemical techniques to recover metals from copper-rich leach solutions. Hydrometallurgy 179: 274-281.


Hedrich, S., Joulian, C., Graupner, T., Schippers, A., Guezennec, A.-G. (2018) Enhanced chalcopyrite dissolution in stirred tank bioreactors. Hydrometallurgy 179: 125-131.


Zhang, R., Hedrich, S., Ostertag-Henning, C., Schippers, A. (2018) Effect of elevated pressure on ferric iron reduction coupled to sulfur oxidation by biomining microorganisms. Hydrometallurgy 178: 215-223.


Kamradt, A., Walther, S., Schaefer, J., Hedrich, S., Schippers, A. (2018) Mineralogical distribution of base metal sulfides in processing products of black shale-hosted Kupferschiefer-type ore. Minerals Engineering 119: 23-30.


Hedrich, S., Kermer, R. Aubel, T. Martin, M., Schippers, A., Johnson, D.B., Janneck, E. (2017) Selective chemical and biological metal recovery from Cu-rich bioleaching solutions. Solid State Phenomena 262: 107-112.


Hedrich, S., Joulian, C., Graupner, T., Schippers, A., Guezennec, A.-G. (2017) Effect of temperature ramping on stirred tank bioleaching of a copper concentrate. Solid State Phenomena 262: 3-6.


Guézennec, A.-G., Joulian, C., Jacob, J., Bodenan, F., d´Hugues, P., Hedrich, S. (2017) Influence of CO2 supplementation on the bioleaching of a copper concentrate from Kupferschiefer ore. Solid State Phenomena 262: 242-245.


Zhang, R., Hedrich, S., Schippers, A. (2017) Reduction of iron(III) ions at elevated pressure by acidophilic microorganisms. Solid State Phenomena 262: 88-92.


Kamradt, A., Schäfer, J., Schippers, A., Hedrich, S. (2017) Comparative bioleaching and mineralogical characterization of black shale-hosted ores and corresponding flotation concentrates. Solid State Phenomena 262: 139-142.


Aspiazu, C.L, Aguirre, P., Hedrich, S., Schippers, A. (2017) Microbial community analysis inside a biooxidation heap for gold recovery in Equador. Solid State Phenomena 262: 135-138.


Johnson, D.B., Hedrich, S., Pakostova, E. (2017) Indirect redox transformations of iron, copper and chromium catalyzed by extremely acidophilic bacteria. Frontiers in Microbiology. 8: 211.


Hedrich, S. & Schippers, A. (2017) Metallgewinnung mittels Geobiotechnologie. Chemie, Ingenieur & Technik 89: 29-40.


Kermer, R., Hedrich, S., Bellenberg, S., Brett, B., Schrader, D. et al. (2017) Lignite ash: Waste material or potential resource - Investigation of metal recovery and utilization options. Hydrometallurgy 168: 141-152.


Hedrich, S., Guézennec, A.-G., Charron, M., Schippers, A., Joulian, C. (2016) Quantitative monitoring of microbial species during bioleaching of a copper concentrate, Frontiers in Microbiology 7:2044.


Holanda, R., Hedrich, S., Nancucheo, I., Oliveira, G., Grail, B.M., Johnson, D.B. (2016) Isolation and characterisation of mineral-oxidising "Acidibacillus" spp. from mine sites and geothermal environments in different global locations. Research in Microbiology 167: 613-623.


Nancucheo, I., Rowe, O.F., Hedrich, S., Johnson, D.B. (2016) Solid and liquid media for isolating and cultivating acidophilic and acid-tolerant sulfate-reducing bacteria. FEMS Microbiology Letters 363: fnw083.

Hedrich, S., Bellenberg, S., Kermer, R., Gehrke, T., Sand, W., Schippers, A., Reichel, S., Glombitza, F., Janneck, E. (2015) Biotechnological recovery of valuable metals from lignite ash. Advanced Materials Research. 1130: 664-667.


Hedrich, S., Schippers, A., Johnson, D.B. (2015) Development of a strategy for selective metal recovery from pregnant leach solutions of Kupferschiefer bioleaching. Advanced Materials Research 1130: 255-258.


Sánchez-Andrea, I., Stams, A.J.M., Hedrich, S., Ňancucheo, I., Johnson, D.B. (2014) Desulfosporosinus acididurans sp. nov.: an acidophilic sulfate-reducing bacterium isolated from acidic sediments. Extremophiles 19: 39-47.


Hedrich, S. & Johnson, D.B. (2014) Remediation and selective recovery of metals from acidic mine waters using novel modular bioreactors. Environmental Science and Technology 48: 12206-12212.


Kutschke, S., Guézennec, A.G., Hedrich, S., Schippers, A., Borg, G., Kamradt, A., Gouin, J., Giebner, F., Schopf, S., Schlömann, M., Rahfeld, A., Gutzmer, J., D’Hugues, P., Pollmann, K., Dirlich, S., Bodénan, F. (2014) Bioleaching of Kupferschiefer blackshale – a review including perspectives of the Ecometals project. Minerals Engineering 75: 116-125.


Talla, E., Hedrich, S., Mangenot, S., Ji, B., Johnson, D.B., Barbe, V., Bonnefoy, V. (2014) Initial genome analysis of the chemolithotrophic acidophile Acidithiobacillus ferrivorans CF27: insights into pathways of iron- and sulfur-oxidation, and biofilm formation. Research in Microbiology 165: 753-760.


Johnson, D.B., Hallberg, K.B., Hedrich, S. (2014) Uncovering a microbial enigma: Isolation and characterization of the streamer-generating, iron-oxidizing, acidophilic bacterium "Ferrovum myxofaciens" Applied and Environmental Microbiology 80: 672-680.


Hedrich, S. & Johnson, D.B. (2013) Acidithiobacillus ferridurans, sp. nov.; an acidophilic      iron-, sulfur-and hydrogen-metabolizing chemolithotrophic gammaproteobacterium. International Journal of Systematic and Evolutionary Microbiology 63: 4018-4025.


Jones, R. M., Hedrich, S., Johnson, D.B. (2013) Acidocella aromatica sp. nov.: an acidophilic heterotrophic alphaproteobacterium with unusual phenotypic traits. Extremophiles 17: 841-850.


Hedrich, S. & Johnson, D.B. (2013) Aerobic and anaerobic oxidation of hydrogen by acidophilic bacteria. FEMS Microbiology Letters 349: 40-45.


Hedrich, S., du Plessis, C., Mora, N., Johnson, D.B. (2013) Reduction and complexation of copper in a novel bioreduction system developed to recover base metals from mine process waters. Advanced Materials Research 825: 483-486.


Kay, C.M., Hedrich, S., Johnson, D.B. (2013) Selective removal of metals from Scandinavian mine waters using biomineralisation technologies. Advanced Materials Research 825: 479-482.


Hedrich, S. & Johnson, D.B. (2013) Evidence for widespread dissimilatory hydrogen metabolism among acidophilic bacteria. Advanced Materials Research 825: 202-205.


Talla, E., Hedrich S., Johnson, D.B., Bonnefoy, V. (2013) Genome analysis of the psychrotolerant biomining bacterium Acidithiobacillus ferrivorans CF27. Advanced Materials Research 825: 145-148.


Willis, G., Hedrich, S., Nancucheo, I., Johnson, D.B., Donati, E. (2013) Microbial diversity in acidic anaerobic sediments at the geothermal Caviahue – Copahue system, Argentina. Advanced Materials Research 825: 7-10.


Kermer, R., Hedrich, S., Taubert, M., Baumann, S., Schlömann, M., Johnson, D.B., von Bergen, M. and Seifert, J. (2012) Elucidation of carbon transfer in a mixed culture of Acidiphilium cryptum and Acidithiobacillus ferrooxidans using protein-based stable isotope probing. Journal of Integrated OMICS 2: 37-45.


Johnson, D.B., Kanao, T., Hedrich, S. (2012) Redox transformations of iron at extremely low pH: fundamental and applied aspects. Frontiers in Microbiological Chemistry 3: 96.


Nancucheo, I., Hedrich, S., Johnson, D.B. (2012) New microbiological strategies that enable the selective recovery and recycling of metals from acid mine drainage and mine process waters. Mineralogical Magazine 76: 2683-2692.

Hedrich, S. & Johnson, D.B. (2012) A modular continuous flow reactor system for the selective bio-oxidation of iron and precipitation of schwertmannite from mine-impacted waters. Bioresource Technology 106: 44-49.


Hallberg, K. B., Hedrich, S., Johnson, D.B. (2011) Acidiferrobacter thiooxydans, gen. nov. sp. nov.; an acidophilic, thermo-tolerant, facultatively anaerobic iron- and sulfur-oxidizer of the family Ectothiorhodospiraceae. Extremophiles 15: 271-279.


Hedrich, S., Schlömann, M., Johnson, D.B. (2011) The iron-oxidising Proteobacteria. Microbiology 157: 1551-1564.


Hedrich, S., Lünsdorf, H., Kleeberg, R., Heide, G., Seifert, J., Schlömann, M. (2011) Schwertmannite formation adjacent to cells of ‘Ferrovum myxofaciens’ in a mine water treatment plant. Environmental Science and Technology 45: 7685-7692.


Heinzel, E., Hedrich, S., Janneck, E., Glombitza, F., Seifert, J., Schlömann, M. (2009) Bacterial diversity in a mine water treatment plant. Applied and Environmental Microbiology 75: 858-861.


Hedrich, S., Heinzel, E., Seifert, J., Schlömann, M. (2009) Isolation of novel iron-oxidizing bacteria from an acid mine water treatment plant. Advanced Materials Research 71-73: 125-128.


Heinzel, E., Hedrich, S., Seifert, J., Schlömann, M. (2007) Microbial diversity in a pilot plant for producing iron hydroxysulfates. Advanced Materials Research 20-21: 527-530.






  • International Scientific Committee of the International Biohydrometallurgy Symposium
  • Society for General Microbiology (SGM, since 2010)
  • Society for Chemical Engineering and Biotechnology (DECHEMA, since 2009)
  • Association for General and Applied Microbiology (VAAM, since 2005)



Scientific Activities


 Editorial work


  • Research Topic Editor for Frontiers in Microbiology “Bioleaching and Biocorrosion: Advances in Interfacial Processes”
  • Editorial Board Member Minerals
  • Guest Editor Research in Microbiology
  • Review Editor Frontiers in Microbiology
  • Reviewer for international journals in the field of microbiology, biohydrometallurgy, biotechnology, geochemistry, microbial ecology
  • Reviewer for national science foundations: FONDECYT (Chile), NERC (UK), NRF (South Africa)


Scientific Meetings 


  • Organizer Biohydrometallurgy Summer School (2019, Hannover, Germany)
  • Session convener “The Environmental Behavior of Contaminants in Mining-Impacted Environments“ (Goldschmidt, 2018, Boston, USA)
  • Organizing committee of the International Biohydrometallurgy Symposium (2017, Freiberg, Germany)
  • Organizing committee and instructor at FIMIN Environmental Iron Microbiology Workshop (2012, Manchester and Bangor, UK)


Invited Talks


2017 - Biomining – Principle and Applications-, DAAD Alumni Event: Mining and the Environment, RWTH Aachen

2016 - Biomining zur Metallgewinnung aus primären und sekundären Rohstoffquellen -  Austauschsitzung Consulting-Wirtschaft-BGR, VGBU Berlin

2016 - Reductive dissolution – bioleaching of oxidized ores - summer school SysMetex (EU project), Freiberg

2015 - Selective recovery of metals from mine-impacted waters using novel biomineralization technologies - BHT Freiberg

2015 - The microbiology of mine-impacted environments, and how to take advantage of these microbes – Highgrade summer school, Leipzig

2014 - Iron-, sulfur-, nitrogen- and carbon-cycling microbial communities in an abandoned acidic metal sulfide mine – 2nd Transnational Workshop on Genomics and Transcriptomics in Geobiotechnology and White Biotechnology, Freiberg

2012 - Neue biotechnologische Anwendungen zur Metallgewinnung aus Abraum und Prozesswässern durch reduktive Prozesse– DECHEMA, TAK Geobiotechnologie, Geobiotechnologien, Freiberg