Faculty of Biology
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Fak. Biologie ; AG Eukaryotische Mikrobiologie
Address
Universitätsstr 2
45117 Essen
45117 Essen
Room
S05 R04 H83
Phone
E-Mail
Functions
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Professor/in, Eukaryotische Mikrobiologie
Current lectures
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WiSe 2025
Past lectures (max. 10)
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SoSe 2025
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WiSe 2024
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SoSe 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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Intermediate insights : Tracing trematodes infecting amphibians via their first intermediate snail hostsIn: Parasites and Vectors, Vol. 18, 2025, Nr. 1, 285DOI (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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Description and prevalence of gregarines infecting the amphipod Gammarus pulex, in the Water of Leith, Scotland, UKIn: European Journal of Protistology, Vol. 94, 2024, 126084DOI (Open Access)
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EUKARYOME : The rRNA gene reference database for identification of all eukaryotesIn: Database: The Journal of Biological Databases and Curation, Vol. 2024, 2024, baae043DOI (Open Access)
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In memoriam: Thomas Cavalier‐Smith (1942–2021)In: The Journal of Eukaryotic Microbiology, Vol. 71, 2024, Nr. 1, e13013
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Metacollinia emscheri n. sp., a novel sanguicolous apostome ciliate of freshwater amphipods (Gammarus spp.)In: Journal of Invertebrate Pathology, Vol. 207, 2024, 108224DOI (Open Access)
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Coinfection patterns of two marine apicomplexans are not associated with genetic diversity of their polychaete hostIn: The Journal of Eukaryotic Microbiology, Vol. 70, 2023, Nr. 1, e12932DOI (Open Access)
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Evolutionary analysis of cellular reduction and anaerobicity in the hyper-prevalent gut microbe BlastocystisIn: Current Biology, Vol. 33, 2023, Nr. 12, pp. 2449 – 2464.e8DOI (Open Access)
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Gregarines from darkling beetles of the Atacama Desert, Atacamagregarina paposa gen. et sp. nov. from Scotobius and Xiphocephalus ovatus sp. nov. from Psectrascelis (Coleoptera, Tenebrionidae)In: European Journal of Protistology, Vol. 90, 2023, 126008
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Raccoons contraband : The metazoan parasite fauna of free-ranging raccoons in central EuropeIn: International Journal for Parasitology: Parasites and Wildlife, Vol. 20, 2023, pp. 79 – 88DOI (Open Access)
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Where to fish in the forest? : Tree characteristics and contiguous seagrass features predict mangrove forest quality for fishes and crustaceansIn: Journal of Applied Ecology, Vol. 60, 2023, Nr. 7, pp. 1340 – 1351DOI (Open Access)
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Fluctuating Starvation Conditions Modify Host-Symbiont Relationship Between a Leaf Beetle and Its Newly Identified Gregarine SpeciesIn: Frontiers in Ecology and Evolution, Vol. 10, 2022, 850161DOI (Open Access)
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Gregarine apicomplexans : model organisms to uncover the evolutionary path to obligate intracellular parasitism?In: Microbiology Today, Vol. 49, 2022, Nr. 2, pp. 88 – 91Online Full Text (Open Access)
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Protists on the spot : opening the field of view on protistologyIn: Microbiology Today, Vol. 49, 2022, Nr. 2, pp. 68 – 71Online Full Text (Open Access)
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Composition and structure of the mangrove fish and crustacean communities of Vanga Bay, KenyaIn: Western Indian Ocean Journal of Marine Science, Vol. 20, 2021, Nr. 2, pp. 25 – 44DOI (Open Access)
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Gregarine single-cell transcriptomics reveals differential mitochondrial remodeling and adaptation in apicomplexansIn: BMC Biology (incorporating Journal of Biology), Vol. 19, 2021, Nr. 1, 77DOI (Open Access)
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Parasites, pathogens, and other symbionts of copepodsIn: Trends in Parasitology, Vol. 37, 2021, Nr. 10, pp. 875 – 889DOI (Open Access)
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The increase in global aquaculture and the associated protists : opportunities and threatsIn: Microbiology Today, Vol. 48, 2021, Nr. 1, pp. 20 – 23Online Full Text (Open Access)
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First genetic evidence that invasive bullhead (Cottus L. 1758) in Scotland is of English origin and the difficulty of resolving the European Cottus species taxonomyIn: Journal of Fish Biology, Vol. 96, 2020, Nr. 3, pp. 617 – 630DOI (Open Access)
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Increasing intensities of Anisakis simplex third-stage larvae (L3) in Atlantic salmon of coastal waters of ScotlandIn: Parasites and Vectors, Vol. 13, 2020, Nr. 1, 62DOI (Open Access)
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Evolution: Parallel Paths to Parasitism in the ApicomplexaIn: Current Biology, Vol. 29, 2019, Nr. 17, pp. R836 – R839DOI (Open Access)
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Revisions to the Classification, Nomenclature, and Diversity of EukaryotesIn: The Journal of Eukaryotic Microbiology, Vol. 66, 2019, Nr. 1, pp. 4 – 119DOI (Open Access)
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The Symbiotic Spectrum : Where Do the Gregarines Fit?In: Trends in Parasitology, Vol. 35, 2019, Nr. 9, pp. 687 – 694DOI (Open Access)
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Consistent patterns of high alpha and low beta diversity in tropical parasitic and free-living protistsIn: Molecular Ecology, Vol. 27, 2018, Nr. 13, pp. 2846 – 2857DOI, Online Full Text (Open Access)
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Morphology and molecular systematic of marine gregarines (Apicomplexa) from Southwestern Atlantic spionid polychaetesIn: Journal of Invertebrate Pathology, Vol. 159, 2018, pp. 49 – 60DOI (Open Access)
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Archigregarines of the English Channel revisited : New molecular data on Selenidium species including early described and new species and the uncertainties of phylogenetic relationshipsIn: PLoS ONE, Vol. 12, 2017, Nr. 11, e0187430DOI (Open Access)
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Gregarines (Apicomplexa, Gregarinasina) in psocids (Insecta, Psocoptera) including a new species description and their potential use as pest control agentsIn: European Journal of Protistology, Vol. 60, 2017, pp. 60 – 67DOI, Online Full Text (Open Access)
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Report of the 2017 Protistology-UK Spring MeetingIn: European Journal of Protistology, Vol. 61, Part A, 2017, pp. 307 – 310
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Epinephelus fuscoguttatus mariculture in Indonesia : Implications from fish parasite infections
2nd Symposium on Japanese Marine Biological Stations ; December 2014, Tokyo, Japan,In: Regional Studies in Marine Science, Vol. 2, 2015, Nr. Supplement: 2nd Symposium on Japanese Marine Biological Stations, pp. 54 – 70 -
Molecular systematics of marine gregarine apicomplexans from Pacific tunicates, with descriptions of five novel species of LankesteriaIn: International Journal of Systematic and Evolutionary Microbiology (IJSEM), Vol. 65, 2015, Nr. 8, pp. 2598 – 2614DOI (Open Access)
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Nematode eel parasite found inside acanthocephalan cysts : A "Trojan horse" strategy?In: Parasites and Vectors, Vol. 7, 2014, Nr. 1, 504DOI (Open Access)
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Discovery of a Diverse Clade of Gregarine Apicomplexans (Apicomplexa: Eugregarinorida) from Pacific Eunicid and Onuphid Polychaetes, Including Descriptions of Paralecudina n. gen., Trichotokara japonica n. sp., and T. eunicae n. sp.In: The Journal of Eukaryotic Microbiology, Vol. 60, 2013, Nr. 2, pp. 121 – 136
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Erratum: The revised classification of eukaryotesIn: The Journal of Eukaryotic Microbiology, Vol. 60, 2013, Nr. 3, pp. 321 – 321DOI (Open Access)
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Fusiforma themisticola n. gen., n. sp., a New Genus and Species of Apostome Ciliate Infecting the Hyperiid Amphipod Themisto libellula in the Canadian Beaufort Sea (Arctic Ocean), and Establishment of the Pseudocolliniidae (Ciliophora, Apostomatia)In: Protist, Vol. 164, 2013, Nr. 6, pp. 793 – 810
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Parasites of wild rabbits (Oryctolagus cuniculus) from an urban area in Germany, in relation to worldwide resultsIn: Parasitology Research, Vol. 112, 2013, Nr. 12, pp. 4255 – 4266
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Invasive Ponto-Caspian Amphipods and Fish Increase the Distribution Range of the Acanthocephalan Pomphorhynchus tereticollis in the River RhineIn: PLoS ONE, Vol. 7, 2012, Nr. 12, e53218DOI (Open Access)
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Large-scale infection of the ascidian Ciona intestinalis by the gregarine Lankesteria ascidiae in an inland culture systemIn: Diseases of Aquatic Organisms, Vol. 101, 2012, Nr. 3, pp. 185 – 195DOI (Open Access)
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The revised classification of eukaryotesIn: The Journal of Eukaryotic Microbiology, Vol. 59, 2012, Nr. 5, pp. 429 – 514DOI (Open Access)
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Identification of a Divergent Environmental DNA Sequence Clade Using the Phylogeny of Gregarine Parasites (Apicomplexa) from Crustacean HostsIn: PLoS ONE, Vol. 6, 2011, Nr. 3, e18163DOI (Open Access)
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Parasite diversity as an indicator of environmental change? : An example from tropical grouper (Epinephelus fuscoguttatus) mariculture in IndonesiaIn: Parasitology, Vol. 138, 2011, Nr. Special issue 13: Systematics as a cornerstone of parasitology, pp. 1793 – 1803
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Species Boundaries in Gregarine Apicomplexan Parasites : A Case Study - Comparison of Morphometric and Molecular Variability in Lecudina cf. tuzetae (Eugregarinorida, Lecudinidae)In: The Journal of Eukaryotic Microbiology, Vol. 58, 2011, Nr. 4, pp. 275 – 283DOI (Open Access)
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Description of Trichotokara nothriae n. gen. et sp. (Apicomplexa, Lecudinidae) : An intestinal gregarine of Nothria conchylega (Polychaeta, Onuphidae)In: Journal of Invertebrate Pathology, Vol. 104, 2010, Nr. 3, pp. 172 – 179
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Gastrointestinal and ectoparasites from urban stray dogs in Fortaleza (Brazil) : high infection risk for humans?In: Parasitology Research, Vol. 107, 2010, Nr. 3, pp. 713 – 719
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Molecular systematics of marine gregarines (Apicomplexa) from North-eastern Pacific polychaetes and nemerteans, with descriptions of three novel species : Lecudina phyllochaetopteri sp. nov., Difficilina tubulani sp. nov. and Difficilina paranemertis sp. nov.In: International Journal of Systematic and Evolutionary Microbiology (IJSEM), Vol. 60, 2010, Nr. 11, pp. 2681 – 2690
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Parasites of cultured and wild brown-marbled grouper Epinephelus fuscoguttatus (Forsskål, 1775) in Lampung Bay, IndonesiaIn: Aquaculture Research, Vol. 41, 2010, Nr. 8, pp. 1158 – 1169
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Parasitic infection of the hyperiid amphipod Themisto libellula in the Canadian Beaufort Sea (Arctic Ocean), with a description of Ganymedes themistos sp. n. (Apicomplexa, Eugregarinorida)In: Polar Biology, Vol. 33, 2010, Nr. 10, pp. 1339 – 1350
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A new approach to visualize ecosystem health by using parasitesIn: Parasitology Research, Vol. 105, 2009, Nr. 2, pp. 539 – 553
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Metazoan fish parasites of Segara Anakan Lagoon, Indonesia, and their potential use as biological indicatorsIn: Regional Environmental Change, Vol. 9, 2009, Nr. 4, pp. 315 – 328
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Molecular Phylogeny and Surface Morphology of Marine Archigregarines (Apicomplexa), Selenidium spp., Filipodium phascolosomae n. sp., and Platyproteum n. g. and comb. from North-Eastern Pacific Peanut Worms (Sipuncula)In: The Journal of Eukaryotic Microbiology, Vol. 56, 2009, Nr. 5, pp. 428 – 439
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Phylogenetic position and description of Rhytidocystis cyamus sp. n. (Apicomplexa, Rhytidocystidae) : a novel intestinal parasite of the north-eastern Pacific ‘stink worm’ (Polychaeta, Opheliidae, Travisia pupa)In: Marine Biodiversity, Vol. 39, 2009, Nr. 4, pp. 227 – 234
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Transmission of fish parasites into grouper mariculture (Serranidae: Epinephelus coioides (Hamilton, 1822)) in Lampung Bay, IndonesiaIn: Parasitology Research, Vol. 104, 2009, Nr. 3, pp. 523 – 532
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Morphology and molecular phylogeny of Haplozoon praxillellae n. sp. (Dinoflagellata) : A novel intestinal parasite of the maldanid polychaete Praxillella pacifica BerkeleyIn: European Journal of Protistology, Vol. 44, 2008, Nr. 4, pp. 299 – 307
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Morphology and phylogenetic position of two novel marine gregarines (Apicomplexa, Eugregarinorida) from the intestines of North‐eastern Pacific ascidiansIn: Zoologica Scripta, Vol. 37, 2008, Nr. 6, pp. 637 – 645
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Parasite fauna of seabass (Lates calcarifer) under mariculture conditions in Lampung Bay, IndonesiaIn: Journal of Applied Ichthyology, Vol. 24, 2008, Nr. 3, pp. 321 – 327
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Genetic variability in Hysterothylacium aduncum, a raphidascarid nematode isolated from sprat (Sprattus sprattus) of different geographical areas of the northeastern AtlanticIn: Parasitology Research, Vol. 101, 2007, Nr. 5, pp. 1425 – 1430
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Parasite fauna of bream Abramis brama and roach Rutilus rutilus from a man-made waterway and a freshwater habitat in northern GermanyIn: Diseases of Aquatic Organisms, Vol. 74, 2007, Nr. 3, pp. 225 – 233
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Diet and metazoan parasites of silver scabbard fish Lepidopus caudatus from the Great Meteor Seamount (North Atlantic)In: Marine Ecology Progress Series: MEPS, Vol. 315, 2006, pp. 249 – 257
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Fish parasites in the Arctic deep-sea : Poor diversity in pelagic fish species vs. heavy parasite load in a demersal fishIn: Deep Sea Research Part I: Oceanographic Research Papers, Vol. 53, 2006, Nr. 7, pp. 1167 – 1181
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Erratum: Life cycle strategy of Hysterothylacium aduncum to become the most abundant anisakid fish nematode in the North SeaIn: Parasitology Research, Vol. 97, 2005, Nr. 4, pp. 340 – 343
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Life cycle strategy of Hysterothylacium aduncum to become the most abundant anisakid fish nematode in the North SeaIn: Parasitology Research, Vol. 97, 2005, Nr. 2, pp. 141 – 149
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The life cycle of Anisakis simplex in the Norwegian Deep (northern North Sea)In: Parasitology Research, Vol. 94, 2004, Nr. 1, pp. 1 – 9
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Parasites of the Antarctic rattail Macrourus whitsoni (Regan, 1913) (Macrouridae, Gadiformes)In: Polar Biology, Vol. 25, 2002, Nr. 9, pp. 633 – 640
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Metacollinia emscheri n. sp., a novel sanguicolous apostome ciliate of freshwater amphipods (Gammarus spp.)2024DOI (Open Access)
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New Gregarines from the Atacama Desert, Atacamagregarina Paposa Gen. Et Sp. Nov. And Xiphocephalus Psectrascelii Sp. Nov. From Tenebrionid Beetles2023DOI (Open Access)
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The Protists : Small But MightyIn: Aquatic Parasitology: Ecological and Environmental Concepts and Implications of Marine and Freshwater Parasites / Smit, Nico J.; Sures, Bernd (Eds.). Cham: Springer Nature, 2025, pp. 9 – 40DOI (Open Access)
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Fish parasites in Indonesian maricultures : annotated checklist and bioindicator useBogor City: IPB Press Publisher, 2022
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Marine Fischparasiten in Indonesien : Befallssituation und Bedeutung für die Marikultur von ZackenbarschenDüsseldorf, 2006Online Full Text (Open Access)
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Parasitäre Protisten : Klein aber mit großer WirkungDuisburg, Essen, 2025
(Die Kleine Form ; WS 2025/26)Online Full Text (Open Access)