Dr. Nadine Graupner - lab manager

Eukaryotic Microbiology

University of Duisburg-Essen

Faculty of Biology

Universitätsstr. 5

D-45141 Essen, Germany

Room S05 R04 H75

Phone +49 (0)201 183 3165

nadine.graupner [at] uni-due.de


2019 - present: Postdoc and scientific lab manager, Eukaryotic Microbiology, University of Duisburg-Essen

2018 - 2020: Postdoc, Genomics Core Facility, University of Duisburg-Essen

2012 - 2017: Scientific employee, Biodiversity, University of Duisburg-Essen



2013 - 2018: Ph.D., Biodiversity, University of Duisburg-Essen

2006 - 2011: 1. Staatsexamen Biology & Chemistry, University of Duisburg-Essen


  • Transcriptomic and metatranscriptomic analyses of meiotic genes from protists
  • Molecular community analyses of protists from terrestrial and aquatic habitats
  • Development of staining methods for microscopic investigations of ciliates


  • Dunthorn, Micah; Graupner, Nadine
    Report of the 2021 meeting of the German Society for Protozoology
    In: European Journal of Protistology Vol. 79 (2021)
    ISSN: 1618-0429; 0932-4739
  • Sagova-Mareckova, Markta; Boenigk, Jens; Bouchez, Agnès; Cermakova, Kristina; Chonova, Teofana; Cordier, Tristan; Eisendle, Ursula; Elersek, Tina; Fazi, Stefano; Fleituch, Tadeusz M.; Frühe, Larissa; Gajdosova, Magdalena; Graupner, Nadine; Haegerbaeumer, Arne; Kelly, Andrea M.; Kopecky, J.; Leese, Florian; Nõges, Peeter; Orlic, Sandi; Panksep, Kristel; Pawlowski, Jan; Petrusek, Adam; Piggott, Jeremy J.; Rusch, Johannes Christopher; Salis, Romana; Schenk, Janina; Simek, Karel; Stovicek, Adam; Strand, David Allan; Vasquez, M.I.; Vrålstad, Trude; Zlatkovic, S.; Zupancic, M.; Stoeck, Thorsten
    Expanding ecological assessment by integrating microorganisms into routine freshwater biomonitoring
    In: Water Research Vol. 191 (2021) pp. 116767
    ISSN: 1879-2448; 0043-1354
  • Rajter, Lubomir; Ewers, Isabelle; Graupner, Nadine; Vďačný, Peter; Dunthorn, Micah
    Colpodean ciliate phylogeny and reference alignments for phylogenetic placements
    In: European Journal of Protistology Vol. 77 (2021) pp. 125747
    ISSN: 1618-0429; 0932-4739
  • 2019

  • Kraus, Diana; Chi, Jingyun; Boenigk, Jens; Beisser, Daniela; Graupner, Nadine; Dunthorn, Micah
    Putatively asexual chrysophytes have meiotic genes : Evidence from transcriptomic data
    In: PeerJ Vol. 2019 (2019) Nr. 1, pp. e5894
    ISSN: 2167-8359
  • 2018

  • Graupner, Nadine; Jensen, Manfred; Bock, Christina; Marks, Sabina; Rahmann, Sven; Beisser, Daniela; Boenigk, Jens
    Evolution of heterotrophy in chrysophytes as reflected by comparative transcriptomics
    In: FEMS Microbiology Ecology Vol. 94 (2018) Nr. 4, pp. fiy039
    ISSN: 1574-6941; 0168-6496
  • Röhl, Oliver; Graupner, Nadine; Peršoh, Derek; Kemler, Martin; Mittelbach, Moritz; Boenigk, Jens; Begerow, Dominik
    Flooding Duration Affects the Structure of Terrestrial and Aquatic Microbial Eukaryotic Communities
    In: Microbial Ecology Vol. 75 (2018) Nr. 4, pp. 875 - 887
    ISSN: 1432-184X
  • 2017

  • Beisser, Daniela; Graupner, Nadine; Bock, Christina; Wodniok, Sabina; Großmann, Lars; Vos, Matthijs; Sures, Bernd; Rahmann, Sven; Boenigk, Jens
    Comprehensive transcriptome analysis provides new insights into nutritional strategies and phylogenetic relationships of chrysophytes
    In: PeerJ Vol. 5 (2017) pp. e2832
    ISSN: 2167-8359
  • Beisser, Daniela; Graupner, Nadine; Großmann, Lars; Timm, Henning; Boenigk, Jens; Rahmann, Sven
    TaxMapper: an analysis tool, reference database and workflow for metatranscriptome analysis of eukaryotic microorganisms.
    In: BMC Genomics Vol. 18 (2017) pp. 787
    ISSN: 1471-2164
  • Graupner, Nadine; Röhl, Oliver; Jensen, Manfred; Beisser, Daniela; Begerow, Dominik; Boenigk, Jens
    Effects of short-term flooding on aquatic and terrestrial microeukaryotic communities : A mesocosm approach
    In: Aquatic Microbial Ecology Vol. 80 (2017) Nr. 3, pp. 257 - 272
    ISSN: 1616-1564; 0948-3055
  • Graupner, Nadine; Boenigk, Jens; Bock, Christina; Jensen, Manfred; Marks, Sabina; Rahmann, Sven; Beisser, Daniela
    Functional and phylogenetic analysis of the core transcriptome of Ochromonadales
    In: Metabarcoding and Metagenomics (MBMG) Vol. 1 (2017) pp. e19862
    ISSN: 2534-9708
  • Graupner, Nadine;
    Molecular insights into the functional diversity of protists
    Duisburg ; Essen (2017) IX, 261 Seiten
  • Beisser, Daniela; Kaschani, Farnusch; Graupner, Nadine; Großmann, Lars; Jensen, Manfred; Ninck, Sabrina; Schulz, Florian; Rahmann, Sven; Boenigk, Jens; Kaiser, Markus
    Quantitative proteomics reveals ecophysiological effects of light and silver stress on the mixotrophic protist Poterioochromonas malhamensis
    In: PLoS ONE Vol. 12 (2017) Nr. 1, pp. e0168183
    ISSN: 1932-6203
  • 2011

  • Jensen, Manfred; Nerat, Nadine; Ale-Agha, Nosratollah
    Survey of microfungi in the Landschaftspark Duisburg-Nord (Germany)
    In: Communications in agricultural and applied biological sciences Vol. 76 (2011) Nr. 4, pp. 671 - 689
    ISSN: 1379-1176
  • 2010

  • Jensen, Manfred; Nerat, Nadine; Ale-Agha, Nosratollah
    New Remarkable Records of Microfungi from Sardinia (Italy)
    In: Communications in Agricultural and Applied Biological Sciences Vol. 75 (2010) Nr. 4, pp. 675 - 697
    ISSN: 1379-1176


2018: Graupner, N., Nuy, J., Beisser, D., Boenigk, J. "Potential of metatranscriptomics for ecosystem assessment", COST-Workshop: Microbial & Meiofaunal Indicators, Prague, Czech

2016: Graupner, N., Bock, C., Wodniok, S., Jensen, M., Rahmann, S., Boenigk, J., Beisser, D. "What is in a species? A methodical overview for analyzing molecular & functional variation within and between protist species based on transcriptomes", 9th International Chrysophyte Symposium, Yamagata, Japan

2015: Graupner, N., Beisser, D., Wodniok, S., Jensen, M., Boenigk, J. "Transkriptome - Eine neue Methode mit vielfältigen Einsatzmöglichkeiten", Deutsche Gesellschaft für Limnologie, Essen, Germany



*= presenter

2021: Doliwa, A.*, Dunthorn, M., Grabner, D., Graupner, N. „In silico comparisons of Microsporidia-specific primers”, Deutsche Gesellschaft für Protozoologie, Online Poster Session

2020: Ewers, I.*, Dunthorn, M., Graupner, N., Vďačný, P., Rajter L., “Platyophryids early in the colpodean ciliate phylogeny”, International Society of Protistologists/International Society of Evolutionary Protistology, Online Poster Session

2019: Graupner, N.*, Beisser, D., Boenigk, J., Dunthorn, M. "Environmental meiotic gene inventories", Joint meeting of the 8th European Conference on Protistology and the International Society of Protistology, Rome, Italy

2017: Beisser,D.*, Graupner, N., Grossmann, L., Timm, H., Boenigk, J., Rahmann, S. "TaxMapper: An Analysis Tool, Reference Database and Workflow for Metatranscriptome Analysis of Eukaryotic Microorganisms", European Conference on Computational Biology / International Conference on Intelligent Systems for Molecular Biology, Prag

2016: Graupner, N.*, Bock, C., Wodniok, S., Jensen, M., Rahmann, S., Boenigk, J., Beisser, D. "What is in a species? A methodical overview for analyzing molecular & functional variation within and between protist species based on transcriptomes", 9th International Chrysophyte Symposium, Yamagata, Japan

2016: Graupner, N.*, Röhl, O., Bartling, M., Beisser, D., Begerow, D., Boenigk, J. "Chrysophyte community re-assembly and functional differentiation in the wake of flooding events",  A New Age of Discovery for Aquatic Microeukaryotes symposium at EMBL, Heidelberg, Germany

2016: Graupner, N.*, Röhl, O., Bartling, M., Beisser, D., Begerow, D., Boenigk, J. "Chrysophyte community re-assembly and functional differentiation in the wake of flooding events", Deutsche Gesellschaft für Protozoologie, Saignelégier, Switzerland

2016: Beisser, D.*, Graupner,N., Grossmann, L., Boenigk, J., Rahmann, S. "Taxonomic assignment of protist metatranscriptome sequences", European Conference on Computational Biology, Den Haag

2015: Graupner, N.*, Beisser, D., Wodniok, S., Boenigk, J. "What is in a species - A transcriptomic approach for Poteriospumella lacustris & Poterioochromonas malhamensis", Deutsche Gesellschaft für Protozoologie, Magdeburg, Germany

2015: Beisser, D.*, Bock, C., Wodniok, S., Graupner, N., Rahmann, S., Boenigk, J. "Comparative Analysis and Phylogenetic Inference Based on Transcriptomes of 18 Chrysophyceae Species", Gemran Conference on Bioinformatics, Dortmund

2012:  Graupner, N.*, Boenigk, J., Wodniok, S. "Comparison of DNA isolation methoths for diversity studies", Deutsche Gesellschaft für Protozoologie, Wuppertal, Germany


2019: Holz-Connor Travel Grant, International Society of Protistologists

2018: Travel Grant, European Cooperation in Science and Technology (COST) grant CA15219 (DNAqua-net)

2016: Posteraward, International Chrysophyte Symposium, Yamagata, Japan

2013 - 2014: PhD-scholarship, Faculty of Biology, University of Duisburg-Essen, Germany

2012: Posteraward, German Society for Protozoology, Wuppertal, Germany

2012: Young Scientist Award, Center for Water and Environmental Research, University of Duisburg-Essen, Germany