Skip to main content


Holzinger, A., Plag, N., Karsten, U. & Glaser, K. (2023) Terrestrial Trentepohlia sp. (Ulvophyceae) from alpine and coastal collection sites show strong desiccation tolerance and broad light and temperature adaptation. Protoplasm .

Mikhailyuk T.I., Vinogradova O.M., Gromakova A.B., Glaser K., Karsten U. (2023) A Polyphasic Approach Leading to the Discovery of New Taxa of Terrestrial Cyanobacteria for the Flora of Ukraine. International Journal on Algae 25 (4), 301-322

Ohan J, Siani R, Kurth J, Sommer V, Glaser K, Karsten U, Schloter M & Schulz S. (2023) Microbiome convergence and deterministic community assembly along successional biocrust gradients on potash salt heaps, FEMS Microbiology Ecology, Volume 99, Issue 8, fiad081,

Kurth JK, Albrecht M, Glaser K, Karsten U, Vestergaard G, Armbruster M, Kublik S, Schmid CAO, Schloter M, Schulz S. (2023) Biological soil crusts on agricultural soils of mesic regions promote microbial cross-kingdom co-occurrences and nutrient retention. Front Microbiol.;14:1169958. doi: 10.3389/fmicb.2023.1169958.

Kammann S, Schiefelbein U, Dolnik C, Mikhailyuk T, Demchenko E, Karsten U, Glaser K. Successional Development of the Phototrophic Community in Biological Soil Crusts on Coastal and Inland Dunes. Biology. 2023; 12(1):58.


Gall, C., Ohan, J., Glaser, K., Karsten, U., Schloter, M., Scholten, T., Schulz, S., Seitz, S., & Kurth, J. K. (2022). Biocrusts: Overlooked hotspots of managed soils in mesic environments. Journal of Plant Nutrition and Soil Science, 185, 745- 751.

Glaser, K., Van, A.T., Pushkareva, E., Barrantes, I. and Karsten, U. Microbial communities in biocrusts are recruited from the neighbouring sand at coastal dunes along the Baltic Sea. Front. Microbiol. 13,859447.

Glaser, K., Albrecht, M., Baumann, K., Overmann, J., Sikorski, J., 2022. Biological Soil Crust From Mesic Forests Promote a Specific Bacteria Community. Front. Microbiol. 13, 769767.

Van, A.T., Glaser, K., 2022. Pseudostichococcus Stands Out from Its Siblings Due to High Salinity and Desiccation Tolerance. Phycology 2, 108-119.

Mikhailyuk, T., Vinogradova, O., Holzinger, A., Glaser, K., Akimov, Y., Karsten, U., 2022. Timaviella dunensis sp. nov. from sand dunes of the Baltic Sea, Germany, and emendation of Timaviella edaphica (Elenkin) O.M. Vynogr. & Mikhailyuk (Synechococcales, Cyanobacteria) based on an integrative approach. Phytotaxa 532, 192-208.

Sommer, V., Palm, A., Schink, A., Leinweber, P., Gose, N., Karsten, U. & Glaser, K. Artificial biocrust establishment on materials of potash tailings piles along a salinity gradient. J Appl Phycol34, 405-421 (2022).


Van, A. T., Karsten, U., and Glaser, K. (2021). A chemosystematic investigation of selected Stichococcus-like organisms (Trebouxiophyta). Algae 36(2): 123-135. doi: 10.4490/algae.2021.36.6.5 .

Medwed, C., Holzinger, A., Hofer, S., Hartmann, A., Michalik, D., Glaser, K., and Karsten, U. (2021). Ecophysiological, morphological, and biochemical traits of free-living Diplosphaera chodatii (Trebouxiophyceae) reveal adaptation to harsh environmental conditions. Protoplasm. doi:10.1007/s00709-021-01620-6 .

Van, A. T., Sommer, V., and Glaser, K. (2021). The Ecophysiological Performance and Traits of Genera within the Stichococcus-like Clade (Trebouxiophyceae) under Matric and Osmotic Stress. Microorganisms 9, 1816. doi:10.3390/microorganisms9091816 .

Mikhailyuk, T., Vinogradova, O., Glaser, K., Rybalka, N., Demchenko, E. M., and Karsten, U. (2021). Algae of Biological Soil Crusts from Sand Dunes of the Danube Delta Biosphere Reserve (Odesa Region, Ukraine). International Journal on Algae 23, 7-42.

Baumann, K., Eckhardt, K.-U., Acksel, A., Gros, P., Glaser, K., Gillespie, A. W., Karsten, U. and Leinweber, P. (2021). Contribution of biological soil crusts to soil organic matter composition and stability in temperate forests. Soil Biology and Biochemistry 160, 108315. doi:10.1016/j.soilbio.2021.108315 .

Prelle, L., Albrecht, M., Karsten, U., Damer, P., Giese, T., Jähns, J., Müller, S., Schulz, L., Viertel, L. and Glaser, K. (2021). Ecophysiological and cell biological traits of benthic diatoms from coastal wetlands of the southern Baltic Sea. Frontiers in Microbiology. doi:10.3389/fmicb.2021.642811

Khanipour Roshan, S., Dumack, K., Bonkowski, M., Leinweber, P., Karsten, U., and Glaser, K. (2021). Taxonomic and Functional Diversity of Heterotrophic Protists (Cercozoa and Endomyxa) from Biological Soil Crusts. Microorganisms 9, 205. doi:10.3390/microorganisms9020205 .

Kurth, J. K., Albrecht, M., Karsten, U., Glaser, K., Schloter, M., and Schulz, S. (2021). Correlation of the abundance of bacteria catalyzing phosphorus and nitrogen turnover in biological soil crusts of temperate forests of Germany. Biol Fertil Soils, 14. doi:10.1007/s00374-020-01515-3 .

Graiff, A., Bartsch, I., Glaser, K. & Karsten, U. (2021) Seasonal photophysiological performance of adult western Baltic Fucus vesiculosus (Phaeophyceae) under ocean warming and acidification. Frontiers in Marine Science 8,476. doi:10.3389/fmars.2021.666493


Aigner, S., Glaser, K., Arc, E., Holzinger, A., Schletter, M., Karsten, U., and Kranner, I. (2020). Adaptation to Aquatic and Terrestrial Environments in Chlorella vulgaris (Chlorophyta). Front. Microbiol. 11, 585836. doi:10.3389/fmicb.2020.585836 .

Hartmann, A., Glaser, K., Holzinger, A., Ganzera, M., and Karsten, U. (2020). Klebsormidin A and B, Two New UV-Sunscreen Compounds in Green Microalgal Interfilum and Klebsormidium Species (Streptophyta) From Terrestrial Habitats. Front. Microbiol. 11, 499. doi:10.3389/fmicb.2020.00499 .

Roshan, K. S., Dumack, K., Bonkowski, M., Karsten, U., and Glaser, K. (2020). Stramenopiles and Cercozoa dominate the heterotrophic protist community of biological soil crusts irrespective of edaphic factors. Pedobiologia 83, 150673. doi:10.1016/j.pedobi.2020.150673 .

Sommer, V., Mikhailyuk, T., Glaser, K., and Karsten, U. (2020). Uncovering Unique Green Algae and Cyanobacteria Isolated From Biocrusts in Highly Saline Potash Tailing Pile Habitats, Using an Integrative Approach. Microorganisms 8, 1667. doi:10.3390/microorganisms8111667 .

Glaser, K. & Karsten, U. (2020) Salinity tolerance in biogeographically different strains of the marine benthic diatom Cylindrotheca closterium (Bacillariophyceae). Journal of Applied Phycology (2020). doi: 10.1007/s10811-020-02238-6

Samolov, E., Baumann, K., Büdel, B., Jung, P., Leinweber, P., Mikhailyuk, T., Karsten, U., Glaser, K. (2020.) Biodiversity of Algae and Cyanobacteria in Biological Soil Crusts Collected Along a Climatic Gradient in Chile Using an Integrative Approach. Microorganisms 8, 1047.

Sommer, V., Karsten, U., Glaser, K. (2020). Halophilic Algal Communities in Biological Soil Crusts Isolated From Potash Tailings Pile Areas. Front. Ecol. Evol. 8, 46.

Mikhailyuk, T., Holzinger, A., Tsarenko, P., Glaser, K., Demchenko, E., Karsten, U. (2020). Dictyosphaerium -like morphotype in terrestrial algae: what is Xerochlorella (Trebouxiophyceae, Chlorophyta)? J. Phycol. 56, 671-686.

Ngosong, C., Buse, T., Ewald, M., Richter, A., Glaser, K., Schöning, I., Ruess, L. (2020). Influence of management intensity and environmental conditions on microbiota in biological soil crust and crust-free soil habitats of temperate forests. Soil Biology and Biochemistry 144, 107761.


Kern, R., Hotter, V., Frossard, A., Albrecht, M., Baum, C., Tytgat, B., De Maeyer, L., Valezquez, D., Seppey, C., Frey, B., Plötze, M, Verleyen, E., Quesada, A., Svenning, M., Glaser, K., Karsten, U. (2019). Comparative vegetation survey with focus on cryptogamic covers in the high Arctic along two differing catenas. Polar Biol,

Mikhailyuk, T., Vinogradova, O., Holzinger, A., Glaser, K., Samolov, E., & Karsten, U. (2019). New record of the rare genus Crinalium Crow (Oscillatoriales, Cyanobacteria) from sand dunes of the Baltic Sea, Germany: epitypification and emendation of Crinalium magnum Fritsch et John based on an integrative approach. Phytotaxa, 400: 165.

Mikhailyuk T., Glaser K., Tsarenko P., Demchenko E., Karsten U. 2019. Composition of biological soil crusts from sand dunes of the Baltic Sea coast in the context of an integrative approach to the taxonomy of microalgae and cyanobacteria. European Journal of Phycology 1-28.

Sommer, V., Kockx, M., Wölk, A. & Glaser, K. (2019) Von Vogelkot zu grünen Teppichen - Eine neue Möglichkeit, Kali-Rückstandshalden mit biologischen Bodenkrusten zu begrünen. Biology in our time 49 (2), 122-130.


Samolov, E., Mikhailyuk, T., Lukešová, A., Glaser, K., Büdel, B. & Karsten, U. (2018) Usual alga from unusual habitats: biodiversity of Klebsormidium (Klebsormidiophyceae, Streptophyta) from the phylogenetic superclade G isolated from biological soil crusts. Molecular Phylogenetics and Evolution 133, 236-255.

Mikhailyuk, T., Vinogradova, O., Glaser, K., Demchenko, E. & Karsten, U. (2018) Diversity of terrestrial algae of Cape Kazantip (the Sea of Azov, Ukraine) and some remarks on their phylogeny and ecology. International Journal on Algae 20, 313-338.

Mikhailyuk, T., Lukešová, A., Glaser, K., Holzinger, A., Obwegeser, S., Nyporko, S., Friedl, T., Karsten, U. (2018). New Taxa of Streptophyte Algae (Streptophyta) from Terrestrial Habitats Revealed Using an Integrative Approach. Protist 169:406-431. DOI: 10.1016/j.protis.2018.03.002

Hotter, V., Glaser, K., Hartmann, A., Ganzera, M., and Karsten, U. (2018). Polyols and UV-sunscreens in the Prasiola -clade (Trebouxiophyceae, Chlorophyta) as metabolites for stress response and chemotaxonomy. Journal of Phycology 54, 264-274. DOI: 10.1111/jpy.12619 .

Pierangelini, M., Glaser, K., Mikhailyuk, T., Karsten, U., Holzinger, A. (2018). Light and Dehydration but Not Temperature Drive Photosynthetic Adaptations of Basal Streptophytes (Hormidiella, Streptosarcina and Streptofilum) Living in Terrestrial Habitats. Microbial Ecology. DOI: 10.1007/s00248-018-1225-x

Lv, Z., Leite, AF., Harms, H., Glaser, K., Liebetrau, J., Kleinsteuber, S., Nikolausz, M. (2018). Microbial community shifts in biogas reactors upon complete or partial ammonia inhibition. Applied Microbiology and Biotechnology 103 (1), 519-533. DOI: 10.1007/s00253-018-9444-0

Glaser, K., Baumannn, K., Leinweber, P., Mikhailyuk, T., Karsten, U. (2018), Algal richness in BSCs in forests under different management intensity with some implications for P cycling, Biogeosciences 15:4181-4192, DOI: 10.5194/bg-15-4181-2018 .


Glaser, K., Donner, A., Albrecht, M., Mikhailyuk, T., & Karsten, U. (2017). Habitat-specific composition of morphotypes with low genetic diversity in the green algal genus Klebsormidium (Streptophyta) isolated from biological soil crusts in Central European grasslands and forests, Eur J Phycol, 52: 188-199, DOI: 10.1080/09670262.2016.1235730 .

Baumann, K., Glaser, K., Mutz, J.-E., Karsten, U., MacLennan, A., Hu, Y., Michalik, D., Kruse, J., Eckhardt, K.-U., Schall, P., Leinweber, P. (2017). Biological soil crusts of temperate forests: Their role in P cycling, Soil Biol. Biochem., 109, 156-166, DOI: 10.1016/j.soilbio.2017.02.011 .

Fiore-Donno, A.M., Rixen, C., Rippin, M., Glaser, K., Samolov, E., Karsten, U., et al. (2017). New barcoded primers for efficient retrieval of cercozoan sequences in high-throughput environmental diversity surveys, with emphasis on worldwide biological soil crusts, bioRxiv, 171611, preprint, DOI: 10.1101/171611 .

Donner, A., Glaser, K.; Borchhardt, N.; Karsten U. (2017). Ecophysiological response on dehydration and temperature in terrestrial Klebsormidium (Strptophyta) isolated from biological soil crusts in Central European grasslands and forests, Environmental Microbiology, DOI: 10.1007/s00248-016-0917-3 .

Lippert, H., Weigelt, R., Glaser, K., Krauss, R., Bastrop, R., Karsten, U. (2017). Teredo navalis in the Baltic Sea: Larval Dynamics of an Invasive Wood-Boring Bivalve at the Edge of Its Distribution, Front Mar Sci, 4, DOI: 10.3389/fmars.2017.00331 .

2016 and earlier

Mikhailyuk, T., Vinogradova, O.N., Glaser, K., Karsten, U. (2016). New Taxa for the Flora of Ukraine, in the Context of Modern Approaches to Taxonomy of Cyanoprokaryota/Cyanobacteria, International Journal on Algae 18, 301-320, DOI: 10.1615/InterJAlgae.v18.i4.10 .

Wintsche, B., Glaser, K., Sträuber, H., Centler, F., Liebetrau, J., Harms, H., & Kleinsteuber, S. (2016). Trace Elements Induce Predominance among Methanogenic Activity in Anaerobic Digestion, Front Microbiol, 7: 2034, DOI: 10.3389/fmicb.2016.02034 .

Mikhailyuk, T., Glaser, K., Holzinger, A., Karsten, U. (2015), Biodiversity of Klebsormidium (Streptophyta) from alpine biological soil crusts (Alps, Tyrol, Austria, and Italy). J Phycol 51:750-767, DOI: 10.1111/jpy.12316 .

Glaser, K., Kuppardt, A., Boenigk, J., Harms, H., Fetzer, I., Chatzinotas, A. (2015). The influence of environmental factors on protistan microorganisms in grassland soils along a land-use gradient, Science of The Total Environment 537, 33-42, DOI: 10.1016/j.scitotenv.2015.07.158 .

Glaser, K., Kuppardt, A., Krohn, S., Heidtmann, A., Harms, H., Chatzinotas, A. (2014). Primer pairs for the specific environmental detection and T-RFLP analysis of the ubiquitous flagellate taxa Chrysophyceae and Kinetoplastea, J. Microbiol. Methods 100: 8-16, DOI: 10.1016/j.mimet.2014.02.006 .

Allan, E., Bossdorf, O., Dormann, C.F., Prati, D., Gossner, M.M., Tscharntke, T., Blüthgen, N., Bellach, M., Birkhofer, K., Boch, S., Böhm, S., Börschig, C., Chatzinotas, A., Christ, S., Daniel, R., Diekötter, T., Fischer, C., Friedl, T., Glaser, K., Hallmann, C., Hodac, L., Hölzel, N., Jung, K., Klein, A.M., Klaus, V.H., Kleinebecker, T., Krauss, J., Lange, M., Morris, E.K., Müller, J., Nacke, H., Pašalić, E., Rillig, M.C., Rothenwöhrer, C., Schall, P., Scherber, C., Schulze, W., Socher, S.A., Steckel, J., Steffan-Dewenter, I., Türke, M., Weiner, C.N., Werner, M., Westphal, C., Wolters, V., Wubet, T., Gockel, S., Gorke, M., Hemp, A., Renner, S.C., Schöning, I., Pfeiffer, S., König-Ries, B., Buscot, F., Linsenmair, K.E., Schulze, E.-D., Weisser, W.W., Fischer, M. (2014). Interannual variation in land-use intensity enhances grassland multidiversity, Proceedings of the National Academy of Sciences 111, 308-313, DOI: 10.1073/pnas.1312213111 .

Chatzinotas, A., Schellenberger, S., Glaser, K., Kolb, S. (2013). Assimilation of Cellulose-Derived Carbon by Microeukaryotes in Oxic and Anoxic Slurries of an Aerated Soil, Appl. Environ. Microbiol. 79:18 5777-5781, DOI: 10.1128/AEM.01598-13 .

Leibeling, S., Glaser, K., Neytschev, M., Harms, H., Müller, R. (2014), Productive Degradation of Dichlorprop by Transconjugant Strains Carrying Plasmid pMC1 of Delftia acidovorans MC1 with Special Focus on the Activity of RdpA, p. 1:28, In Handbook on Herbicides: Biological Activity, Classification and Health & Environmental Implications. Nova Science Publishers Inc.

Professional experience

Time periodPositionDepartmentInstitution
Since Oct. 2023Junior ProfessorWorking Group Leader AG Biology / Ecology, teaching and support of various projects, HeadInstitute of Biosciences, TU Bergakademie Freiberg
2016-2023Scientific AssistantTeaching and support of various projects, HeadApplied Ecology and Phycology, University of Rostock
2014-2016Scientific AssistantCrustfunction in the DFG-funded SPP 1374Applied Ecology and Phycology, University of Rostock
2012-2014Scientific AssistantMicrobial Systems Ecology, Bioenergy (Co-operation DBFZ)Environmental Microbiology, Helmholtz Centre for Environmental Research - UFZ
2008-2011Scientific AssociateActiFlag in the DFG-funded SPP 1374Environmental Microbiology, Helmholtz Centre for Environmental Research - UFZ



2016DissertationMonitoring diversity patterns of active flagellate taxa in different grassland ecosystems as a tool in terrestrial ecologyUniversity of Leipzig
2008-2011HIGRADEGraduate SchoolHelmholtz Centre for Environmental Research - UFZ
2007-2008Diploma ThesisInvestigation of potential activity markers in protists using molecular biological and proteomic methodsEnvironmental Microbiology, Helmholtz Centre for Environmental Research - UFZ
2002-2008StudiesBiology; Main subjects: Microbiology, Genetics, Immunology, BiochemistryUniversity of Leipzig