Dr. Susanne Dunker
Contact
Department for Physiological Diversity
German Center for Integrative Biodiversity Research (iDiv)
Puschstraße 4
04103 Leipzig
Germany
Phone: +49 341 9733170
E-mail:
susanne.dunker@ufz.de
Research interests
Water quality: My research interests are strongly influenced by the time of my diploma thesis, where I dealt with a hypertrophic lake in Leipzig. In this lake cyanobacterial blooms and a massive fish kill with 11 tons of dead fish occurred. I am fascinated by the fact that although a lake contains extensive nutrients, during the phase of cyanobacterial blooms, diversity of other phytoplankton species is very low. I want to gain insights into which factors make it possible that diversity is suppressed and reversed, under which circumstances diversity can be supported.
Phytoplankton organisms are ideal candidates to study diversity due to their fast growth. These organisms are microscopic small but have an enormous impact on the water quality and ecology. Their ability to convert light energy to biomass via photosynthesis determines the extent of primary production. Phytoplankton species can be distinguished due to their different pigmentation patterns by the means of flow cytometry. Imaging flow cytometry delivers the following cellular traits: cell volume, dry weight and chl a-content per cell and also the variability of these traits within a population. It is also possible to examine multi-species experiments with a fast species identification.
Air quality and pollination: Pollen are a fascinating biological material; small in size, but highly protected against different external environmental factors (heat, various chemicals, UV-light) to guarantee a proper maintenance of a whole set of genetic information. Pollen diversity is linked to several ecosystem services, like air quality and pollination success.
We will consider air quality as being impaired by allergic pollen (wind distributed pollen) and their health consequences of combined biological and physical impacts of human activities manifested through changes in plant species pollen abundance and particulate matter resulting in air pollution. Second, pollination is impaired by insect death and changes in plant-pollinator interactions (insect distributed pollen). To understand the relationships between pollen abundance, particulate matter, incidence of allergy symptoms as well as plant-pollinator interactions, we propose to develop and integrate new methods in particle analysis, machine learning, monitoring and sensing, and to develop a larger joint project with societal engagement.
04/2015 - present | Researcher at UFZ (Helmholtz centre for environmental research)/ iDiv (German Centre for Integrative Biodiversity Research) Leipzig, Germany |
10/2013 - 03/2015 | Post-Doc at the University of Leipzig (“Plant Physiology”), Germany |
12/2008 - 07/2013 |
PhD thesis at the University of Leipzig, Germany Institute of Biology, Department: “Plant Physiology” Title: “Dynamic of phytoplankton under hypertrophic conditions” Supervisor: Prof. Dr. C. Wilhelm |
10/2003 - 10/2008 | Study of Biology (University of Leipzig, Germany) |
Index:
You could use our publication index for further requests.
2024 (5)
- Kabisch, N., Hornick, T., Bumberger, J., Krämer, R., Legg, R., Masztalerz, O., Bastl, M., Simon, J.C., Treudler, R., Dunker, S. (2024):
Monitoring and perception of allergenic pollen in urban park environments
Landsc. Urban Plan. 250 , art. 105133 10.1016/j.landurbplan.2024.105133 - Liu, Y., Dunker, S., Durka, W., Dominik, C., Heuschele, J.M., Honchar, H., Hoffmann, P., Musche, M., Paxton, R.J., Settele, J., Schweiger, O. (2024):
Eco-evolutionary processes shaping floral nectar sugar composition
Sci. Rep. 14 , art. 13856 10.1038/s41598-024-64755-5 - Mahecha, M.D., Bastos, A., Bohn, F.J., Eisenhauer, N., Feilhauer, H., Hickler, T., Kalesse-Los, H., Migliavacca, M., Otto, F.E.L., Peng, J., Sippel, S., Tegen, I., Weigelt, A., Wendisch, M., Wirth, C., Al-Halbouni, D., Deneke, H.M., Doktor, D., Dunker, S., Duveiller, G., Ehrlich, A., Foth, A., García-García, A., Guerra, C.A., Guimarães- Steinicke, C., Hartmann, H., Henning, S., Herrmann, H., Hu, P., Ji, C., Kattenborn, T., Kolleck, N., Kretschmer, M., Kühn, I., Luttkus, M.L., Maahn, M., Mönks, M., Mora, K., Pöhlker, M., Reichstein, M., Rüger, N., Sánchez-Parra, B., Schäfer, M., Stratmann, F., Tesche, M., Wehner, B., Wieneke, S., Winkler, A.J., Wolf, S., Zaehle, S., Zscheischler, J., Quaas, J. (2024):
Biodiversity and climate extremes: known interactions and research gaps
Earth Future 12 (6), e2023EF003963 10.1029/2023EF003963 - Moore, J., Kunis, S., Grüning, B., Blank-Burian, M., Mallm, J.-P., Stöter, T., Zuschratter, W., Figge, M.T., Kreshuk, A., Tischer, C., Haase, R., Zobel, T., Bauer, P., Svensson, C.-M., Gerst, R., Hanne, J., Schmidt, C., Becker, M.M., Bocklitz, T., Bumberger, J., Chalopin, C., Chen, J., Czodrowski, P., Dickscheid, T., Fortmann-Grote, C., Huisken, J., Lohmann, J., Schauss, A., Baumann, M., Beretta, C., Burel, J.-M., Heuveline, V., Kuner, R., Landwehr, M., Leibfried, A., Nitschke, R., Mittal, D., von Suchodoletz, H., Valencia-Schneider, M., Zentis, P., Brilhaus, D., Hartley, M., Hülsmann, B., Dunker, S., Keppler, A., Mathur, A., Meesters, C., Möbius, W., Nahnsen, S., Pfander, C., Rehwald, S., Serrano-Solano, B., Vilardell Scholten, L., Vogl, R., Becks, L., Ferrando-May, E., Weidtkamp-Peters, S. (2024):
NFDI4BIOIMAGE - National Research Data Infrastructure for Microscopy and Bioimage Analysis
Zenodo
115 pp. 10.5281/zenodo.13168693 - Virtanen, R., Harpole, W.S., Dunker, S., Eskelinen, A. (2024):
Multiple global change factors cause declines of a temperate bryophyte
Plant Ecol. Divers. 17 (1-2), 35- - 46 10.1080/17550874.2024.2330659
2023 (3)
- Klawonn, I., Dunker, S., Kagami, M., Grossart, H.-P., Van den Wyngaert, S. (2023):
Intercomparison of two fluorescent dyes to visualize parasitic fungi (Chytridiomycota) on phytoplankton
Microb. Ecol. 85 (1), 9 - 23 10.1007/s00248-021-01893-7 - Krajsic, P., Hornick, T., Dunker, S. (2023):
Comparison of deep learning architectures for three different multispectral imaging flow cytometry datasets
In: Ganzha, M., Maciaszek, L., Paprzycki, M., Ślęzak, D. (eds.)
Position Papers of the of the 18th Conference on Computer Science and Intelligence Systems, Warsaw, Poland, 17–20 September, 2023
Annals of Computer Science and Information Systems 36
Polish Information Processing Society, Warsaw, p. 59 - 66 10.15439/2023F8069 - Veen, J., Jang, H., Raubenheimer, D., van Pinxteren, B.O.C.M., Kandza, V., Meirmans, P.G., van Dam, N.M., Dunker, S., Hoffmann, P., Worrich, A., Janmaat, K.R.L. (2023):
Development of embodied capital: diet composition, foraging skills, and botanical knowledge of forager children in the Congo Basin
Front. Ecol. Evol. 11 , art. 935987 10.3389/fevo.2023.935987
2022 (5)
- Dunker, S. (2022):
Data for "The potential of multispectral imaging flow cytometry for environmental monitoring"
Data Investigation Portal UFZ 10.48758/ufz.12577 - Dunker, S., Boyd, M., Durka, W., Erler, S., Harpole, W.S., Henning, S., Herzschuh, U., Hornick, T., Knight, T., Lips, S., Mäder, P., Motivans Švara, E., Mozarowski, S., Rakosy, D., Römermann, C., Schmitt-Jansen, M., Stoof-Leichsenring, K., Stratmann, F., Treudler, R., Virtanen, R., Wendt-Potthoff, K., Wilhelm, C. (2022):
The potential of multispectral imaging flow cytometry for environmental monitoring
Cytom. Part A 101 (9), 782 - 799 10.1002/cyto.a.24658 - Hornick, T., Richter, A., Harpole, W.S., Bastl, M., Bohlmann, S., Bonn, A., Bumberger, J., Dietrich, P., Gemeinholzer, B., Grote, R., Heinold, B., Keller, A., Luttkus, L.M., Mäder, P., Motivans Švara, E., Passonneau, S., Punyasena, S.W., Rakosy, D., Richter, R., Sickel, W., Steffan-Dewenter, I., Theodorou, P., Treudler, R., Werchan, B., Werchan, M., Wolke, R., Dunker, S. (2022):
An integrative environmental pollen diversity assessment and its importance for the sustainable development goals
Plants People Planet 4 (2), 110 - 121 10.1002/ppp3.10234 - Prenzel, F., Treudler, R., Lipek, T., Hove, M., Kage, P., Kuhs, S., Kaiser, T., Bastl, M., Bumberger, J., Genuneit, J., Hornick, T., Klotz, S., Zarnowski, J., Boege, M., Zebralla, V., Simon, J.-C., Dunker, S. (2022):
Hohe Sensibilisierungsrate gegenüber Ailanthus altissima bei Patient/-innen mit atopischen Erkrankungen. High rate of sensitization to Ailanthus altissima in patients with atopic diseases
Allergologie 45 (5), 370 - 370 10.5414/ALX02340 - Prenzel, F., Treudler, R., Lipek, T., vom Hove, M., Kage, P., Kuhs, S., Kaiser, T., Bastl, M., Bumberger, J., Genuneit, J., Hornick, T., Klotz, S., Zarnowski, J., Boege, M., Zebralla, V., Simon, J.-C., Dunker, S. (2022):
Invasive growth of Ailanthus altissima trees is associated with a high rate of sensitization in atopic patients
J. Asthma Allergy 15 , 1217 - 1226 10.2147/JAA.S373177
2021 (4)
- Damialis, A., Gilles, S., Sofiev, M., Sofieva, V., Kolek, F., Bayr, D., Plaza, M.P., Leier-Wirtz, V., Kaschuba, S., Ziska, L.H., Bielory, L., Makra, L., Trigo, M.d.M., Gilles, O., Nhân, P.-T., Traidl-Hoffmann, C., Dunker, S., Hornick, T., Nestor, G.R., et al. (2021):
Higher airborne pollen concentrations correlated with increased SARS-CoV-2 infection rates, as evidenced from 31 countries across the globe
Proc. Natl. Acad. Sci. U.S.A. 118 (12), e2019034118 10.1073/pnas.2019034118 - Dunker, S., Hornick, T., Szczepankiewicz, G., Maier, M., Bastl, M., Bumberger, J., Treudler, R., Liebert, U.G., Simon, J.-C. (2021):
No SARS-CoV-2 detected in air samples (pollen and particulate matter) in Leipzig during the first spread
Sci. Total Environ. 755 (Part 1), art. 142881 10.1016/j.scitotenv.2020.142881 - Dunker, S., Motivans, E., Rakosy, D., Boho, D., Mäder, P., Hornick, T., Knight, T. (2021):
Pollen analysis using multispectral imaging flow cytometry and deep learning
New Phytol. 229 (1), 593 - 606 10.1111/nph.16882 - Hofmann, P., Clark, A., Hoffmann, P., Chatzinotas, A., Harpole, W.S., Dunker, S. (2021):
Beyond nitrogen: phosphorus - estimating the minimum niche dimensionality for resource competition between phytoplankton
Ecol. Lett. 24 (4), 761 - 771 10.1111/ele.13695
2020 (2)
- Dunker, S. (2020):
Imaging flow cytometry for phylogenetic and morphologically based functional group clustering of a natural phytoplankton community over 1 year in an urban pond
Cytom. Part A 97 (7), 727 - 736 10.1002/cyto.a.24044 - Weise, H., Auge, H., Baessler, C., Bärlund, I., Bennett, E.M., Berger, U., Bohn, F., Bonn, A., Borchardt, D., Brand, F., Chatzinotas, A., Corstanje, R., De Laender, F., Dietrich, P., Dunker, S., Durka, W., Fazey, I., Groeneveld, J., Guilbaud, C.S.E., Harms, H., Harpole, S., Harris, J., Jax, K., Jeltsch, F., Johst, K., Joshi, J., Klotz, S., Kühn, I., Kuhlicke, C., Müller, B., Radchuk, V., Reuter, H., Rinke, K., Schmitt-Jansen, M., Seppelt, R., Singer, A., Standish, R.J., Thulke, H.-H., Tietjen, B., Weitere, M., Wirth, C., Wolf, C., Grimm, V. (2020):
Resilience trinity: safeguarding ecosystem functioning and services across three different time horizons and decision contexts
Oikos 129 (4), 445 - 456 10.1111/oik.07213
2019 (2)
- Dunker, S. (2019):
Hidden secrets behind dots: improved phytoplankton taxonomic resolution using high‐throughput imaging flow cytometry
Cytom. Part A 95 (8), 854 - 868 10.1002/cyto.a.23870 - Hofmann, P., Chatzinotas, A., Harpole, W.S., Dunker, S. (2019):
Temperature and stoichiometric dependence of phytoplankton traits
Ecology 100 (12), e02875 10.1002/ecy.2875
2018 (3)
- Dunker, S., Boho, D., Wäldchen, J., Mäder, P. (2018):
Combining high-throughput imaging flow cytometry and deep learning for efficient species and life-cycle stage identification of phytoplankton
BMC Ecology 18 , art. 51 10.1186/s12898-018-0209-5 - Dunker, S., Wilhelm, C. (2018):
Cell wall structure of coccoid green algae as an important trade-off between biotic interference mechanisms and multidimensional cell growth
Front. Microbiol. 9 , art. 719 10.3389/fmicb.2018.00719 - Thakur, M.P., Griffin, J.N., Künne, T., Dunker, S., Fanesi, A., Eisenhauer, N. (2018):
Temperature effects on prey and basal resources exceed that of predators in an experimental community
Ecol. Evol. 8 (24), 12670 - 12680 10.1002/ece3.4695
2017 (2)
- Dunker, S., Althammer, J., Pohnert, G., Wilhelm, C. (2017):
A fateful meeting of two phytoplankton species—Chemical vs. cell-cell-interactions in co-cultures of the green algae Oocystis marsonii and the cyanobacterium Microcystis aeruginosa
Microb. Ecol. 74 (1), 22 - 32 10.1007/s00248-016-0927-1 - Richter, A., Larondelle, N., Karrasch, P., Wedekind, S., Siebert, S., Gottschall, F., Hoffmann, P., Dunker, S., Bonn, A. (2017):
Citizen Science in Schutzgebieten: wie kann Citizen Science in Schutzgebieten von Jugendlichen etabliert werden?
GEWISS-Trainingsbericht Nr. 4
Helmholtz-Zentrum für Umweltforschung - UFZ, Leipzig ; Deutsches Zentrum für Integrative Biodiversitätsforschung (iDiv) Halle-Jena-Leipzig ; Berlin-Brandenburgisches Institut für Biodiversitätsforschung (BBIB) ; Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung - MfN, Berlin, 23 S.
2016 (1)
- Dunker, S., Nadrowski, K., Jakob, T., Kasprzak, P., Becker, A., Langner, U., Kunath, C., Harpole, S., Wilhelm, C. (2016):
Assessing in situ dominance pattern of phytoplankton classes by dominance analysis as a proxy for realized niches
Harmful Algae 58 , 74 - 84 10.1016/j.hal.2016.08.004
Articles
- Dunker, S. (2014): The Cell Biology of Cyanobacteria, E. Flores, A. Herrero (Eds.). Caister Academic Press, Norfolk, UK (2014), Book review on: 308 pp., GBP 159.00, USD 319.00, ISBN: 978-1-908230-38-6, Journal of Plant Physiology, Vol. 171 (16): 1453
- Lentendu, G., Hübschmann T., Müller S., Dunker S., Buscot F., Wilhelm C. (2013) Recovery of soil unicellular eukaryotes: an efficiency and activity analysis on the single cell level. Journal of Microbiological Methods, Vol. 95 (3):463-469
- Dunker, S., Jakob, T., Wilhelm, C. (2013) Contrasting effects on the growth of two green algae (Oocystis marssonii, Scenedesmus obliquus) during cocultivation with Microcystis aeruginosa revealed by flow cytometry. Freshwater Biology, Vol. 58: 1573-1587
- Wagner, H., Dunker, S., Liu, Z., Wilhelm, C. (2013) Subcommunity FTIR to determine physiological cell states. Current Opinion in Biotechnology 24 (1): 88-94
Oral Presentations
Invited oral presentations
- Limnological Stammtisch Leipzig, 17 April 2018 (organized by Dr. Ingrid Carmienke: "Advanced image flow cytometry as a new tool in phytoplankton research")
- Hydrobiological seminar TU Dresden, 16 November 2017 (Working group Prof. Dr. T. Berendonk: High throughput-analysis of phytoplankton by imaging flow cytometry/ Cyanobacteria dominance reinforced by climate change?)
- Limnological station Iffeldorf TU München, 07 November 2012 (Working group Prof. Dr. Melzer: Phytoplankton dynamic under hypertrophic conditions)
- Dunker, S. (2010) „Flow cytometry for phytoplankton analysis with taxonomic resolution“, Meeting of the German Society for Cytometry, Leipzig
- Dunker, S. (2012) “The influence of interspecific effects on phytoplankton primary production”, Meeting of Plant Physiologists of Saxony, Saxony-Anhalt and Thuringia, Jena
- Dunker, S. (2012) “Interspecific effects on growth and primary production in mixed culture of the green algae O. marssonii and the cyanobacterium M. aeruginosa”, Meeting of the Phycology Section of the German Botanical Society, Wuppertal
- Dunker, S.; Jakob, T.; Nadrowski, K., Wilhelm, C. (2013) „Distinctive habitat preferences for major phytoplankton groups in a hypertrophic lake“, Meeting of the German Society for Limnology, Potsdam
- Dunker, S. (2015) "Phenotypic plasticity and community dynamics of phytoplankton organisms", Meeting of the German Society for Cytometry, Berlin
- Dunker, S. (2016) "Flow cytometry as a powerful tool in biodiversity research", iDiv conference, Leipzig
- Dunker, S. (2017) "Image-based flow cytometry as missing link in phytoplankton biodiversity research", DynaTrait conference, Hannover
- Dunker, S., Harpole, S. (2017) "Microscale diversity of the eukaryotic domain - Morphological and physiological traits in the size range of 1-100 µm ", iDiv conference, Leipzig
- Dunker, S. (2018) "Advanced imaging flow cytometry as a new tool in phytoplankton research", Meeting of the Phycology Section of the German Botanical Society, Berchtesgaden
- Dunker, S., Wäldchen, J., Boho, D., Mäder, P., Harpole, W.S. (2018) "Who am I and if yes, how many? A new way of phytoplankton species identification by combination of image cytometry and deep learning", Meeting of the German Society for Cytometry, Jena
- Dunker, S. (2018) "Tiny, but mighty - Innovative monitoring strategies for pollen and phytoplankton diversity", iDiv conference, Leipzig
Poster
- Dunker, S., Wilhelm, C. (2009) “Co-cultivation of algae and effects on their growth and physiology”, Meeting of the German Botanical Society Leipzig
- Dunker, S., Liu, Z., Nadrowski, K., Wilhelm, C. (2011) „Taxonomisch aufgelöste Biomassemodellierung von Phytoplankton“, Meeting of the German Society for Limnology, Freising
- Dunker, S., Wilhelm, C. (2011) “Comparative study of mono-culture and mixed culture of the green algae Oocystis marssonii and the cyanobacterium Microcystis aeruginosa”, Meeting of the German Botanical Society, Berlin
- Dunker, S., Jakob, T. Wilhelm, C. (2014) „Quantification of co-cultivation effects on phytoplankton species“, Meeting of the Phycology Section of the German Botanical Society, Stralsund
- Dunker, S. (2015) "Flow cytometry for high-throughput analysis of phytoplankton", iDiv conference, Leipzig
- Dunker, S., Harpole, S. (2017) "Microscale diversity of the eukaryotic domain - Morphological and physiological traits in the size range of 1-100 µm ", iDiv conference, Leipzig
- Dunker, S., Harpole, W.S., Wilhelm, C. (2017) "Image-based flow cytometry for high throughput analysis of phytoplankton", ASLO - Aquatic Sciences Meeting, Honolulu
- Dunker, S., Althammer, J., Pohnert, U., Neu, T., Jakob, T., Wilhelm, C., Harpole, W. S. (2018) "Fateful meetings of unicellular green algae and the cyanobacterium M. aeruginosa", ISME conference/ International Symposium on Microbial Ecology, Leipzig
- Dunker, S., Boho, D., Wäldchen, J., Bumberger, J., Mäder, P., Harpole, W.S. (2018) "Improved environmental monitoring of air and water quality by combination of high-throughput imaging flow cytometry and deep learning", International Conference on Ecological Informatics, Jena
PhD thesis
- Dunker, S. (2013) Phytoplankton dynamic under hypertrophic conditions, University of Leipzig, Department of Plant Physiology
Diploma thesis
- Dunker, S. (2008) “Estimation of Chl a-specific absorption coefficient of phytoplankton on taxon level”, University of Leipzig, Institute of Biology, Department of Plant Physiology
Reviewer activities
- Aquatic Microbial Ecology
- Citizen Science Theory Practice
- Current Microbiology
- Critical Reviews in Biotechnology
- Cytometry Part A
- Czech Science Foundation
- Ecology
- Ecology and Evolution
- Ecotoxicology
- Environmental Engineering Science
- Freshwater Biology
- Journal of Applied Ecology
- Journal of Plant Physiology
- LIMNOLOGY and OCEANOGRAPHY
- Nature - Scientific Reports
- NSF
- Themenhefte Allergologie
- WATER
Memberships
- Member of German Society for Cytometry (DGfZ)
- Member of German Society for Limnology (DGL)
- Member of German Society for Phycology
Engagement in the Environmental Committee of UFZ
- Leader of working committee: Reduction of plastic in laboratories
Activities: Information stand UFZ summer party, Participation in Let`sCleanUpEurope, Participation in Long Night of Sciences (in Halle 2017)
PolDiv (Automated high throughput pollen diversity monitoring of air quality and pollination as ecosystem services)