Faculty of Biology
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Fakultät für Biologie, Allgemeine Botanik
Address
Universitätsstr. 5
45117 Essen
45117 Essen
Room
S05 V05 E32
Phone
Fax
E-Mail
Functions
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Professor/in, Biodiversität
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Vorsitzender, Prüfungsausschuss Biologie
Current lectures
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WiSe 2025
- Molekulare und mikrobielle Arbeitstechniken
- Absolventenfeier Biodiversität
- Einführung in die Phylogenie und Biodiversität / Molekulare Diversität
- Anleitung zum wissenschaftlichen Arbeiten
- Biodiversität und Erdgeschichte
- Einführung in die Botanik (LA Ba, Bio B.Sc., Aquatische Bio B.Sc. und MedBio B.Sc.)
- ZJA40119 - Grundlagen der aquatischen Biologie
- Aktuelle Themen der Pflanzenbiodiversität
- ZJA92112 - "Molekulare und mikrobiologische Arbeitstechniken" - Bio Master
- E3 - Bio - Biodiversität und Erdgeschichte - Cr. 2-2
- Nachhaltigkeit in der Biologie
- E3 - Bio - Nachhaltigkeit in der Biologie - Cr. 3-3
Past lectures (max. 10)
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SoSe 2025
- Nachhaltigkeit in der Biologie
- Botanische Übungen zur Biodiversität, Erweiterung für Bio B.Sc. und Aqua Bio B. Sc., 2 Prioritäten angeben!
- E3 - Bio - Evolutionsbiologie und Biodiversität - Cr. 2-2
- Aktuelle Themen der Pflanzenbiodiversität
- Anleitung zum wissenschaftlichen Arbeiten
- Seminar Ökologie und Evolutionsbiologie (LA Ba) - Anmeldung mit mehreren Prioritäten!
- Paläobiologie, Klimawandel und Evolution moderner Ökosysteme
- E3 - Bio - Nachhaltigkeit in der Biologie - Cr. 3-3
- Evolutionsbiologie und Biodiversität (LA Ba, AquaBio B.Sc. und Bio B.Sc.)
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WiSe 2024
The following publications are listed in the online university bibliography of the University of Duisburg-Essen. Further information may also be found on the person's personal web pages.
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A metatranscriptomic exploration of fungal and bacterial contributions to allochthonous leaf litter decomposition in the streambedIn: PeerJ, Vol. 13, 2025, Nr. 4, e19120DOI, Online Full Text (Open Access)
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Breaking the Standard : Can Oxford Nanopore Technologies Sequencing Compete With Illumina in Protistan Amplicon Studies?In: Environmental DNA, Vol. 7, 2025, Nr. 2, e70084DOI (Open Access)
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Complex compositional and metabolic response of river sediment microbiomes to multiple anthropogenic stressorsIn: ISME Communications: New Developments in Microbial Ecology, 2025, in pressDOI (Open Access)
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Effects of Biodiversity Loss on Freshwater Ecosystem Functions Increase With the Number of StressorsIn: Global Change Biology, Vol. 31, 2025, Nr. 11, e70617DOI (Open Access)
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Integrative Analysis of Nontargeted LC-HRMS and High-Throughput Metabarcoding Data for Aquatic Environmental Studies Using Combined Multivariate Statistical ApproachesIn: Analytical Chemistry, Vol. 97, 2025, Nr. 22, pp. 11563 – 11571DOI (Open Access)
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Microbial, holobiont, and Tree of Life eDNA/eRNA for enhanced ecological assessmentIn: Trends in Microbiology, Vol. 33, 2025, Nr. 1, pp. 48 – 65DOI (Open Access)
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Protists as determinants of the One Health frameworkIn: ISME Journal, Vol. 19, 2025, Nr. 1, wraf179DOI (Open Access)
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The impact of elevated temperature and salinity on microbial communities and food selectivity in heterotrophic nanoflagellates in the Boye RiverIn: ISME Communications: New Developments in Microbial Ecology, 2025, ycaf049DOI, Online Full Text (Open Access)
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Tire wear particles drive size-dependent loss of freshwater bacterial biofilm diversityIn: Environmental Pollution, Vol. 384, 2025, 127004DOI (Open Access)
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Unravelling the temporal dynamics of community functions in protists induced by treated wastewater exposure using metatranscriptomicsIn: Scientific Reports, Vol. 15, 2025, Nr. 1, 23957DOI (Open Access)
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Varying Responses to Heat Stress and Salinization Between Benthic and Pelagic Riverine Microbial CommunitiesIn: Environmental Microbiology, Vol. 27, 2025, Nr. 9, e70173DOI (Open Access)
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Genome-resolved metagenomics reveals the effect of nutrient availability on bacterial genomic properties across 44 European freshwater lakesIn: Environmental Microbiology, Vol. 26, 2024, Nr. 6, e16634DOI (Open Access)
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Insights from single-strain and mixed culture experiments on the effects of heatwaves on freshwater flagellatesIn: PeerJ, Vol. 12, 2024, e17912DOI, Online Full Text (Open Access)
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Differences in pigment composition and concentration between phototrophic, mixotrophic, and heterotrophic ChrysophyceaeIn: Fottea, Vol. 23, 2023, Nr. 2, pp. 223 – 234DOI (Open Access)
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Effects of stressors on growth and competition between different cryptic taxa affiliated with Ochromonadales (Chrysophyceae)In: Fottea, Vol. 23, 2023, Nr. 2, pp. 235 – 245DOI (Open Access)
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Exploring the efficacy of metabarcoding and non-target screening for detecting treated wastewaterIn: Science of the Total Environment, Vol. 903, 2023, 167457DOI (Open Access)
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Temporal disturbance of a model stream ecosystem by high microbial diversity from treated wastewaterIn: MicrobiologyOpen, Vol. 12, 2023, Nr. 2, e1347DOI, Online Full Text (Open Access)
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The Asymmetric Response Concept explains ecological consequences of multiple stressor exposure and releaseIn: Science of the Total Environment, Vol. 872, 2023, 162196
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Natrix2 : Improved amplicon workflow with novel Oxford Nanopore Technologies support and enhancements in clustering, classification and taxonomic databasesIn: Metabarcoding and Metagenomics (MBMG), Vol. 7, 2023, pp. 263 – 271DOI, Online Full Text (Open Access)
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Microbial community shifts induced by plastic and zinc as substitutes of tire abrasionIn: Scientific Reports, Vol. 12, 2022, Nr. 1, 18684DOI, Online Full Text (Open Access)
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Molecular Data Reveal a Cryptic Diversity in the Genus Urotricha (Alveolata, Ciliophora, Prostomatida), a Key Player in Freshwater Lakes, With Remarks on Morphology, Food Preferences, and DistributionIn: Frontiers in Microbiology, Vol. 12, 2022, 787290DOI (Open Access)
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Paramecium epigenetics in development and proliferationIn: The Journal of Eukaryotic Microbiology, Vol. 69, 2022, Nr. 5, Special Issue: Ciliate Research Under Scrutiny, e12914DOI (Open Access)
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Phylogenetic and functional diversity of Chrysophyceae in inland watersIn: Organisms Diversity and Evolution, Vol. 22, 2022, Nr. 2, pp. 327 – 341DOI (Open Access)
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The relationship between land cover and microbial community composition in European lakesIn: Science of the Total Environment, Vol. 825, 2022, 153732DOI, Online Full Text (Open Access)
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A multi-omics study on quantifying antimicrobial resistance in European freshwater lakesIn: Environment International, Vol. 157, 2021, 106821DOI (Open Access)
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Expanding ecological assessment by integrating microorganisms into routine freshwater biomonitoringIn: Water Research, Vol. 191, 2021, pp. 116767DOI (Open Access)
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Nutrient-driven genome evolution revealed by comparative genomics of chrysomonad flagellatesIn: Communications Biology, Vol. 4, 2021, Nr. 1, 328DOI, Online Full Text (Open Access)
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Patterns of protist distribution and diversification in alpine lakes across EuropeIn: MicrobiologyOpen, Vol. 10, 2021, Nr. 4, e1216DOI (Open Access)
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Quantification of the covariation of lake microbiomes and environmental variables using a machine learning-based frameworkIn: Molecular Ecology, Vol. 30, 2021, Nr. 9, pp. 2131 – 2144DOI (Open Access)
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Centers of endemism of freshwater protists deviate from pattern of taxon richness on a continental scaleIn: Scientific Reports, Vol. 10, 2020, Nr. 1, pp. 14431DOI, Online Full Text (Open Access)
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Ecological Differentiation in Two Major Freshwater Bacterial Taxa Along Environmental GradientsIn: Frontiers in Microbiology, Vol. 11, 2020, pp. 154DOI, Online Full Text (Open Access)
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Factors shaping community patterns of protists and bacteria on a European scaleIn: Environmental Microbiology, Vol. 22, 2020, Nr. 6, pp. 2243 – 2260DOI (Open Access)
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Natrix : A Snakemake-based workflow for processing, clustering, and taxonomically assigning amplicon sequencing readsIn: BMC Bioinformatics, Vol. 21, 2020, Nr. 1, pp. 526DOI, Online Full Text (Open Access)
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Protistan and fungal diversity in soils and freshwater lakes are substantially differentIn: Scientific Reports, Vol. 10, 2020, Nr. 1, pp. 20025DOI, Online Full Text (Open Access)
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Interaction-specific changes in the transcriptome of polynucleobacter asymbioticuscaused by varying protistan communitiesIn: Frontiers in Microbiology, Vol. 10, 2019, Nr. JULY, pp. 1498DOI, Online Full Text (Open Access)
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Intraspecific Variation in Protists : Clues for Microevolution from Poteriospumella lacustris (Chrysophyceae).In: Genome Biology and Evolution, Vol. 11, 2019, Nr. 9, pp. 2492 – 2504DOI, Online Full Text (Open Access)
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Putatively asexual chrysophytes have meiotic genes : Evidence from transcriptomic dataIn: PeerJ, Vol. 2019, 2019, Nr. 1, e5894DOI, Online Full Text (Open Access)
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Silver stress differentially affects growth of phototrophic and heterotrophic chrysomonad flagellate populationsIn: Environmental Pollution, Vol. 244, 2019, pp. 314 – 322
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Cryptophyta as major bacterivores in freshwater summer planktonIn: ISME Journal, Vol. 12, 2018, pp. 1668 – 1681DOI (Open Access)
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Evolution of heterotrophy in chrysophytes as reflected by comparative transcriptomicsIn: FEMS Microbiology Ecology, Vol. 94, 2018, Nr. 4, fiy039DOI (Open Access)
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Flooding Duration Affects the Structure of Terrestrial and Aquatic Microbial Eukaryotic CommunitiesIn: Microbial Ecology, Vol. 75, 2018, Nr. 4, pp. 875 – 887
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Genome size of chrysophytes varies with cell size and nutritional modeIn: Organisms Diversity and Evolution, Vol. 18, 2018, Nr. 2, pp. 163 – 173DOI (Open Access)
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Geographic distance and mountain ranges structure freshwater protist communities on a european scaleIn: Metabarcoding and Metagenomics (MBMG), Vol. 2, 2018, 21519DOI (Open Access)
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Illumina sequencing for the identification of filamentous bulking and foaming bacteria in industrial activated sludge plantsIn: International Journal of Environmental Science and Technology (IJEST), Vol. 15, 2018, Nr. 6, pp. 1139 – 1158
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Responses of stream microbes to multiple anthropogenic stressors in a mesocosm studyIn: Science of the Total Environment, Vol. 633, 2018, pp. 1287 – 1301DOI (Open Access)
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SEDE-GPS: socio-economic data enrichment based on GPS information.In: BMC Bioinformatics, Vol. 19, 2018, Nr. Suppl 15, pp. 440DOI (Open Access)
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Synchrony of Eukaryotic and Prokaryotic Planktonic Communities in Three Seasonally Sampled Austrian LakesIn: Frontiers in Microbiology, Vol. 9, 2018, pp. 1290DOI, Online Full Text (Open Access)
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Spannende Alleskönner : Algen und ihre „Anwendungsgebiete“In: Unikate: Berichte aus Forschung und Lehre, 2018, Nr. 51: Herausfoderung Wasserforschung - lokal, regional, global, pp. 70 – 85DOI, Online Full Text (Open Access)
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Comprehensive transcriptome analysis provides new insights into nutritional strategies and phylogenetic relationships of chrysophytesIn: PeerJ, Vol. 5, 2017, e2832DOI, Online Full Text (Open Access)
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Distinct sensitivity of fungal freshwater guilds to water qualityIn: Mycological Progress, 2017, Nr. online article, pp. 1 – 15
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Effects of short-term flooding on aquatic and terrestrial microeukaryotic communities : A mesocosm approachIn: Aquatic Microbial Ecology, Vol. 80, 2017, Nr. 3, pp. 257 – 272DOI (Open Access)
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Functional and phylogenetic analysis of the core transcriptome of OchromonadalesIn: Metabarcoding and Metagenomics (MBMG), Vol. 1, 2017, pp. e19862DOI (Open Access)
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Genetic diversity in chrysophytes : Comparison of different gene markersIn: Fottea, Vol. 17, 2017, Nr. 2, pp. 209 – 221DOI (Open Access)
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High-throughput sequencing of microbial eukaryotes in Lake Baikal reveals ecologically differentiated communities and novel evolutionary radiationsIn: FEMS Microbiology Ecology, Vol. 93, 2017, Nr. 8, pp. fix073
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Killing the killer : Predation between protists and predatory bacteriaIn: FEMS Microbiology Letters, Vol. 364, 2017, Nr. 9, pp. fnx089
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Quantitative proteomics reveals ecophysiological effects of light and silver stress on the mixotrophic protist Poterioochromonas malhamensisIn: PLoS ONE, Vol. 12, 2017, Nr. 1, pp. e0168183DOI, Online Full Text (Open Access)
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TaxMapper: an analysis tool, reference database and workflow for metatranscriptome analysis of eukaryotic microorganisms.In: BMC Genomics, Vol. 18, 2017, pp. 787DOI (Open Access)
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Molecular investigation of protistan diversity along an elevation transect of alpine lakesIn: Aquatic Microbial Ecology, Vol. 78, 2016, Nr. 1, pp. 25 – 37DOI (Open Access)
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Protistan community analysis : key findings of a large scale molecular samplingIn: ISME Journal, Vol. 10, 2016, pp. 2269 – 2279DOI (Open Access)
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Small but manifold – hidden diversity in "Spumella-like flagellates"In: The Journal of Eukaryotic Microbiology, Vol. 63, 2016, Nr. 4, pp. 419 – 439DOI (Open Access)
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Trade-off Between Taxon Diversity and Functional Diversity in European Lake EcosystemsIn: Molecular Ecology, Vol. 25, 2016, Nr. 23, pp. 5876 – 5888DOI (Open Access)
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AmpliconDuo : a split-sample filtering protocol for high-throughput amplicon sequencing of microbial communitiesIn: PLoS ONE, Vol. 10, 2015, Nr. 11, pp. e0141590DOI, Online Full Text (Open Access)
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The choanoflagellates : evolution, biology and ecologyIn: Marine Biology Research, Vol. 11, 2015, Nr. 10, pp. 1118 – 1119
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The influence of environmental factors on protistan microorganisms in grassland soils along a land-use gradientIn: Science of the Total Environment, Vol. 537, 2015, pp. 33 – 42
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Effects of silver nitrate and silver nanoparticles on a planktonic community : general trends after short-term exposureIn: PLoS ONE, Vol. 9, 2014, Nr. 4, pp. e95340DOI (Open Access)
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Magnesiothermic conversion of the silicamineralizing golden algae Mallomonas caudata and Synura petersenii to elemental silicon with high geometric precisionIn: Beilstein Journal of Nanotechnology, Vol. 5, 2014, Nr. 1, pp. 554 – 560DOI (Open Access)
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Seasonal variation of planktonic chrysophytes with special focus on DinobryonIn: Fottea, Vol. 14, 2014, Nr. 2, pp. 179 – 190DOI (Open Access)
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Differential freshwater flagellate community response to bacterial food quality with a focus on Limnohabitans bacteriaIn: ISME Journal, Vol. 7, 2013, Nr. 8, pp. 1519 – 1530
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Ecology and community structure of ciliated protists in two alkaline–saline Rift Valley lakes in Kenya with special emphasis on FrontoniaIn: Journal of Plankton Research, Vol. 35, 2013, Nr. 4, pp. 759 – 771
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Hydrurus-related golden algae (Chrysophyceae) cause yellow snow in polar summer snowfieldsIn: Phycological research, Vol. 61, 2013, Nr. 4, pp. 277 – 285
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Influence of nutrients and light on autotrophic, mixotrophic and heterotrophic freshwater chrysophytesIn: Aquatic Microbial Ecology, Vol. 71, 2013, Nr. 2, pp. 179 – 191
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Concepts in protistology : Species definitions and boundariesIn: European Journal of Protistology, Vol. 48, 2012, Nr. 2, pp. 96 – 102
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CANGS DB: a stand-alone web-based database tool for processing, managing and analyzing 454 data in biodiversity studies.In: BMC Research Notes, Vol. 4, 2011, pp. 227DOI, Online Full Text (Open Access)
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Contrasting seasonal niche separation between rare and abundant taxa conceals the extent of protist diversityIn: Molecular Ecology, Vol. 19, 2010, Nr. 14, pp. 2908 – 2915
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Cultivation independent species identification of Dinobryon sp. (Chrysophyceae) by means of multiplex single cell PCRIn: Journal of Phycology, Vol. 46, 2010, Nr. 5, pp. 901 – 906
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Cultivation-independent species identification of dinobryon species (Chrysophyceae) by means of multiplex single-cell Pcr1In: Journal of Phycology, Vol. 46, 2010, Nr. 5, pp. 901 – 906
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Diversity in a hidden world : potential and limitation of next-generation sequencing for surveys of molecular diversity of eukaryotic microorganismsIn: Molecular Ecology, Vol. 19, 2010, Nr. Supplement 1, pp. 32 – 40
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Taxonomic and ecological characterization of stomatocysts of spumella-like flagellates (Chrysophyceae)1In: Journal of Phycology, Vol. 46, 2010, Nr. 5, pp. 868 – 881
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Genetic diversity of eukaryotic plankton assemblages in Eastern Tibetan lakes differing by their salinity and altitudeIn: Microbial Ecology, Vol. 58, 2009, Nr. 3, pp. 569 – 581
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Phylogenetic placement of the Cyrtolophosididae Stokes, 1888 (Ciliophora; Colpodea) and neotypification of Aristerostoma marinum Kahl, 1931In: International journal of systematic and evolutionary microbiology, Vol. 59, 2009, Nr. 1, pp. 167 – 180
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Reverse evolution : Driving forces behind the loss of acquired photosynthetic traitsIn: PLoS ONE, Vol. 4, 2009, Nr. 12, pp. e8465DOI (Open Access)
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SSU rRNA gene variation resolves population heterogeneity and ecophysiological differentiation within a morphospecies (Stramenopiles, Chrysophyceae)In: Limnology and oceanography, Vol. 54, 2009, Nr. 1, pp. 171 – 181
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Improved methodology for identification of protists and microalgae from plankton samples preserved in Lugol’s Iodine solution : Combining microscopic analysis with single-cell PCRIn: Applied and Environmental Microbiology, Vol. 74, 2008, Nr. 8, pp. 2505 – 2510
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Multigene phylogenies of clonal Spumella-like strains, a cryptic heterotrophic nanoflagellate, isolated from different geographical regionsIn: International journal of systematic and evolutionary microbiology, Vol. 58, 2008, Nr. 3, pp. 716 – 724
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Nanoflagellates : functional groups and intraspecific variationIn: Denisia, Vol. 23: The Wilhelm Foissner Festschrift, 2008, pp. 331 – 335
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Selective feeding behaviour of key free-living protists: avenues for continued studyIn: Aquatic Microbial Ecology, Vol. 53, 2008, Nr. 1, pp. 83 – 98
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The past and present classification problem with nanoflagellates exemplified by the Genus MonasIn: Protist, Vol. 159, 2008, Nr. 2, pp. 319 – 337
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Differential thermal adaptation of clonal strains of a protist morphospecies originating from different climatic zonesIn: Environmental Microbiology, Vol. 9, 2007, Nr. 3, pp. 593 – 602
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Evidence for geographic isolation and signs of endemism within a protistan morphospeciesIn: Applied and Environmental Microbiology, Vol. 72, 2006, Nr. 8, pp. 5159 – 5164
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Exploring strategies for nanoflagellates living in a ‘wet desert’In: Aquatic Microbial Ecology, Vol. 44, 2006, Nr. 1, pp. 71 – 83
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Stuck in the mud : Suspended sediments as a key issue for survival of chrysomonad flagellatesIn: Aquatic Microbial Ecology, Vol. 45, 2006, Nr. 1, pp. 89 – 99
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Cellular identity of an 18S rRNA gene sequence clade within the class Kinetoplastea : the novel genus Actuariola gen. nov. (Neobodonida) with description of the type species Actuariola framvarensis sp. nov.In: International journal of systematic and evolutionary microbiology, Vol. 55, 2005, Nr. 6, pp. 2623 – 2635
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Heavy metal toxicity and bioavailability of dissolved nutrients to a bacterivorous flagellate are linked to suspended particle physical propertiesIn: Aquatic toxicology, Vol. 71, 2005, Nr. 3, pp. 249 – 259
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High diversity of the 'Spumella-like' flagellates : an investigation based on the SSU rRNA gene sequences of isolates from habitats located in six different geographic regionsIn: Environmental Microbiology, Vol. 7, 2005, Nr. 5, pp. 685 – 697
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A comparison of methods for analysis of plant-available soil nutrient ions using ion chromatographyIn: Agrochimica, Vol. 48, 2004, Nr. 3-4, pp. 165 – 171
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A disintegration method for direct counting of bacteria in clay-dominated sediments : dissolving silicates and subsequent fluorescent staining of bacteriaIn: Journal of Microbiological Methods, Vol. 56, 2004, Nr. 2, pp. 151 – 159
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Effect of suspended clay on the feeding and growth of bacterivorous flagellates and ciliatesIn: Aquatic Microbial Ecology, Vol. 34, 2004, Nr. 2, pp. 181 – 192
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Einfluss suspendierter Sedimente auf Wachstum und Fraß bakterivorer ProtistenIn: Berichte des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck : Supplementum, Vol. 15: 23. Jahrestagung der Deutschen Gesellschaft für Protozoologie, 2004, pp. 18
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Größenselektives Fraßverhalten von Cyclidium glaucomaIn: Berichte des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck : Supplementum, Vol. 15: 23. Jahrestagung der Deutschen Gesellschaft für Protozoologie, 2004, pp. 55
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Impact of violacein-producing bacteria on survival and feeding of bacterivorous nanoflagellatesIn: Applied and Environmental Microbiology, Vol. 70, 2004, Nr. 3, pp. 1593 – 1599
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Potential toxicity of chrysophytes affiliated with Poterioochromonas and related ‘Spumella-like’ flagellatesIn: Journal of plankton research, Vol. 26, 2004, Nr. 12, pp. 1507 – 1514
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Strain-specific differences in the grazing sensitivities of closely related ultramicrobacteria affiliated with the polynucleobacter clusterIn: Applied and Environmental Microbiology, Vol. 70, 2004, Nr. 10, pp. 5787 – 5793
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Successful predation of filamentous bacteria by a nanoflagellate challenges current models of flagellate bacterivoryIn: Applied and Environmental Microbiology, Vol. 70, 2004, Nr. 1, pp. 332 – 339
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Unexpected effects of prey dimensions and morphologies on the size selective feeding by two bacterivorous flagellates (Ochromonas sp. and Spumella sp.)In: Journal of eukaryotic microbiology, Vol. 51, 2004, Nr. 6, pp. 626 – 633
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“The disintegration method” : ein neuer methodischer Ansatz für die Analyse von Bakterien und Flagellaten in tondominierten SedimentenIn: Berichte des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck : Supplementum, Vol. 15: 23. Jahrestagung der Deutschen Gesellschaft für Protozoologie, 2004, pp. 17
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Isolation of novel ultramicrobacteria classified as Actinobacteria from five freshwater habitats in Europe and AsiaIn: Applied and Environmental Microbiology, Vol. 69, 2003, Nr. 3, pp. 1442 – 1451
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Bacterivory by heterotrophic flagellates : community structure and feeding strategiesIn: Antonie Van Leeuwenhoek : international journal of general and molecular microbiology, Vol. 81, 2002, Nr. 1, pp. 465 – 480
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Food concentration-dependent regulation of food selectivity of interception-feeding bacterivorous nanoflagellatesIn: Aquatic Microbial Ecology, Vol. 27, 2002, Nr. 2, pp. 195 – 202
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Role of bacterial phenotypic traits in selective feeding of the heterotrophic nanoflagellate Spumella sp.In: Aquatic Microbial Ecology, Vol. 27, 2002, Nr. 2, pp. 137 – 148
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Variability of ingestion rates with stage in cell cycle of a heterotrophic nanoflagellate (Spumella sp.) measured by an individual-based approachIn: European journal of protistology, Vol. 38, 2002, Nr. 3, pp. 299 – 306
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Confusing selective feeding with differential digestion in bacterivorous nanoflagellatesIn: Journal of eukaryotic microbiology, Vol. 48, 2001, Nr. 4, pp. 425 – 432
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The influence of preculture conditions and food quality on the ingestion and digestion process of three species of heterotrophic nanoflagellatesIn: Microbial Ecology, Vol. 42, 2001, Nr. 2, pp. 168 – 176
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The problematic nature of fluorescently labeled bacteria (FLB) in Spumella feeding experiments : an explanation by using video microscopyIn: Archiv für Hydrobiologie, Vol. 152, 2001, Nr. 2, pp. 329 – 338
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Comparative studies on the feeding behavior of two heterotrophic nanoflagellates : the filter-feeding choanoflagellate Monosiga ovata and the raptorial-feeding kinetoplastid Rhynchomonas nasutaIn: Aquatic Microbial Ecology, Vol. 22, 2000, Nr. 3, pp. 243 – 249
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Particle handling during interception feeding by four species of heterotrophic nanoflagellatesIn: Journal of eukaryotic microbiology, Vol. 47, 2000, Nr. 4, pp. 350 – 358
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Comparing Community Measures in Lake Microbial Ecology: Metagenomes and Metatranscriptomes and Amplicons, oh my!2020DOI (Open Access)
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Spezielle Physiologie der ProkaryotenIn: Boenigk, Biologie: Der Begleiter in und durch das Studium / Boenigk, Jens (Eds.). Berlin: Springer, 2021, pp. 547 – 580
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Five Decades of Research in Protozoology – What have We learned?In: Cilia and flagella, ciliates and flagellates: ultrastructure and cell biology, function and systematics, symbiosis and biodiversity / Hausmann, Klaus; Radek, R. (Eds.). Stuttgart: Schweizerbart Science Publ., 2014, pp. 267 – 274
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Everything is Everywhere : a twenty-first century de-/reconstruction with respect to protistsIn: Biogeography of Microscopic Organisms: Is Everything Small Everywhere? / Fontaneto, Diego; Brodie, J (Eds.). Cambridge [u.a.]: Cambridge University Press, 2011, pp. 88 – 110
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Protozoa (Heterotroph, Eukaryotic)In: Encyclopedia of Geobiology / Thil, Volker; Reitner, Jochim (Eds.). Dordrecht: Springer, 2011, pp. 746 – 750
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Clim-LandIn: Planet Austria / Köck, Günter; Lammerhuber, Lois; Piller, Werner E. (Eds.). Baden: Ed. Lammerhuber; [Wien] : Verl. der Österr. Akad. der Wiss., 2009, pp. 240 – 247
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Ecological methods for the study of heterotrophic nano- and microplankton of fresh and marine watersIn: A Course in Protozoology / Röttger, Rudolf; Knight, Robert; Foissner, Wilhelm (Eds.). Aachen: Shaker, 2009, pp. 232 – 242
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Differential impact of groundwater and surface run-off on eukaryotic microbial diversity in a mountain stream
Jahrestagung der Deutschen Gesellschaft für Limnologie 2007 : Münster, 24. - 28. September 2007,In: Erweiterte Zusammenfassungen der Jahrestagung 2007der Deutschen Gesellschaft für Limnologie (DGL) und der deutschen und österreichischen Sektion der Societas Internationalis Limnologiae (SIL), 2008, pp. 292 – 296 -
Distribution pattern in protists : facts and fictionIn: Abstracts of the talks and posters presented at the 37th Annual Conference of the Ecological Society of Germany, Austria and Switzerland, in Marburg, Germany, September 10 - 14, 2007, 2007, pp. 150
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Some remarks on strain specifity and general patterns in the ecology of Spumella (Chrysophyceae)In: Chrysophytes: Past and present : CHRYS 2004 ; Proceedings of the Sixth International Crysophyte Symposium ; 2 - 7 August 2004, Lammi, Finland / Kristiansen, J.; Cronberg, G. (Eds.). Berlin [u.a.]: Cramer, 2005, pp. 167 – 178
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Next generation sequencing for the identification of filamentous bacteria in industrial activated sludge plants
6th Congress of European Microbiologists, 07.-11.06.2015, Maastricht, Niederlande,2015 -
Nanosilber versus Silberionen : Reaktionen einer Planktongemeinschaft auf Metatranscriptomebene
14. Edelmetallforum 2014 ; Analytik, Toxikologie & Umwelt ; 07.- 08.04.2014, Ulm,2014