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Gregarines (Apicomplexa, Gregarinasina) in psocids (Insecta, Psocoptera) including a new species description and their potential use as pest control agents (2017)
Journal Article
Devetak, D., Rueckert, S., & Devetak, D. (2017). Gregarines (Apicomplexa, Gregarinasina) in psocids (Insecta, Psocoptera) including a new species description and their potential use as pest control agents. European Journal of Protistology, 60, 60-67. http

Gregarine apicomplexans are unicellular organisms that infect invertebrate hosts in marine, freshwater and terrestrial habitats. The largest group of invertebrates infested on land is the insects. The insect order Psocoptera (booklice) has recently... Read More about Gregarines (Apicomplexa, Gregarinasina) in psocids (Insecta, Psocoptera) including a new species description and their potential use as pest control agents.

Parasites of deep-sea fish Simenchelys parasitica. (2015)
Presentation / Conference Contribution
Rueckert, S. (2015, September). Parasites of deep-sea fish Simenchelys parasitica. Poster presented at MASTS 5th Annual Science Meeting, University of Strathclyde, Glasgow

Molecular systematics of marine gregarine apicomplexans from Pacific tunicates, with descriptions of five novel species of Lankesteria (2015)
Journal Article
Rueckert, S., Wakeman, K. C., Jenke-Kodama, H., & Leander, B. S. (2015). Molecular systematics of marine gregarine apicomplexans from Pacific tunicates, with descriptions of five novel species of Lankesteria. International Journal of Systematic and Evolut

The eugregarines are a group of apicomplexan parasites that mostly infect the intestines of invertebrates. The high level of morphological variation found within and among species of eugregarines makes it difficult to find consistent and reliable tra... Read More about Molecular systematics of marine gregarine apicomplexans from Pacific tunicates, with descriptions of five novel species of Lankesteria.

Epinephelus fuscoguttatus mariculture in Indonesia: Implications from fish parasite infections (2015)
Journal Article
Palm, H. W., Yulianto, I., Theisen, S., Rueckert, S., & Kleinertz, S. (2015). Epinephelus fuscoguttatus mariculture in Indonesia: Implications from fish parasite infections. Regional Studies in Marine Science, 2, 54-70. https://doi.org/10.1016/j.rsma.2015.07.003

Indonesia plays a major role in grouper supply for the Hong Kong based Live Reef Food Fish Trade. Hong Kong is the biggest consumer of Live Reef Food Fish in the world and around 50% of the grouper originate from Indonesia. In order to match Hong Kon... Read More about Epinephelus fuscoguttatus mariculture in Indonesia: Implications from fish parasite infections.

Nematode eel parasite found inside acanthocephalan cysts - a "Trojan horse" strategy? (2014)
Journal Article
Emde, S., Rueckert, S., Kochmann, J., Knopf, K., Sures, B., & Klimpel, S. (2014). Nematode eel parasite found inside acanthocephalan cysts - a "Trojan horse" strategy?. Parasites & vectors, 7(1), 504. https://doi.org/10.1186/s13071-014-0504-8

Background The invasive eel parasite Anguillicoloides crassus (syn. Anguillicola crassus) is considered one of the major causes for the decline of the European eel (Anguilla anguilla) panmictic population. It impairs the swim bladder function and... Read More about Nematode eel parasite found inside acanthocephalan cysts - a "Trojan horse" strategy?.

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) (2013)
Journal Article
Chantangsi, C., Lynn, D. H., Rueckert, S., Prokopowicz, A. J., Panha, S., & Leander, B. S. (2013). Fusiforma themisticola n. gen., n. sp., a New Genus and Species of Apostome Ciliate Infecting the Hyperiid Amphipod Themisto libellula in the Canadian Beauf

A novel parasitic ciliate Fusiforma themisticola n. gen., n. sp. was discovered infecting 4.4% of the hyperiid amphipod Themisto libellula. Ciliates were isolated from a formaldehyde-fixed whole amphipod and the DNA was extracted for amplification of... Read More about 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).

Parasites of wild rabbits (Oryctolagus cuniculus) from an urban area in Germany, in relation to worldwide results (2013)
Journal Article
Frank, R., Kuhn, T., Mehlhorn, H., Rueckert, S., Pham, D., & Klimpel, S. (2013). Parasites of wild rabbits (Oryctolagus cuniculus) from an urban area in Germany, in relation to worldwide results. Parasitology Research, 112(12), 4255-4266. https://doi.org/

The European rabbit (Oryctolagus cuniculus) belongs to the most invasive and successful mammalian species, which is distributed nearly worldwide. In Europe, they inhabit broad parts of the mainland and subsequently reached several European islands vi... Read More about Parasites of wild rabbits (Oryctolagus cuniculus) from an urban area in Germany, in relation to worldwide results.

Discovery of a Diverse Clade of Gregarine Apicomplexans (Apicomplexa: Eugregarinorida) from Pacific Eunicid and Onuphid Polychaetes, Including Descriptions ofParalecudinan. gen.,Trichotokara japonican. sp., andT. eunicaen. sp. (2013)
Journal Article
Rueckert, S., Wakeman, K. C., & Leander, B. S. (2013). Discovery of a Diverse Clade of Gregarine Apicomplexans (Apicomplexa: Eugregarinorida) from Pacific Eunicid and Onuphid Polychaetes, Including Descriptions ofParalecudinan. gen.,Trichotokara japonican

Marine gregarines are poorly understood apicomplexan parasites with large trophozoites that inhabit the body cavities of marine invertebrates. Two novel species of gregarines were discovered in polychaete hosts collected in Canada and Japan. The trop... Read More about Discovery of a Diverse Clade of Gregarine Apicomplexans (Apicomplexa: Eugregarinorida) from Pacific Eunicid and Onuphid Polychaetes, Including Descriptions ofParalecudinan. gen.,Trichotokara japonican. sp., andT. eunicaen. sp..

Invasive Ponto-Caspian Amphipods and Fish Increase the Distribution Range of the Acanthocephalan Pomphorhynchus tereticollis in the River Rhine (2012)
Journal Article
Emde, S., Rueckert, S., Palm, H. W., & Klimpel, S. (2012). Invasive Ponto-Caspian Amphipods and Fish Increase the Distribution Range of the Acanthocephalan Pomphorhynchus tereticollis in the River Rhine. PLOS ONE, 7(12), Article e53218. https://doi.org/10

Non-indigenous species that become invasive are one of the main drivers of biodiversity loss worldwide. In various freshwater systems in Europe, populations of native amphipods and fish are progressively displaced by highly adaptive non-indigenous sp... Read More about Invasive Ponto-Caspian Amphipods and Fish Increase the Distribution Range of the Acanthocephalan Pomphorhynchus tereticollis in the River Rhine.

Large-scale infection of the ascidian Ciona intestinalis by the gregarine Lankesteria ascidiae in an inland culture system (2012)
Journal Article
Mita, K., Kawai, N., Rueckert, S., & Sasakura, Y. (2012). Large-scale infection of the ascidian Ciona intestinalis by the gregarine Lankesteria ascidiae in an inland culture system. Diseases of Aquatic Organisms, 101(3), 185-195. https://doi.org/10.3354/d

An important way to keep transgenic and mutant lines of the ascidian Ciona intestinalis, a model system for e.g. genetic functions, in laboratories is via culturing systems. Here we report a disease of C. intestinalis observed in an inland culturing... Read More about Large-scale infection of the ascidian Ciona intestinalis by the gregarine Lankesteria ascidiae in an inland culture system.

The Revised Classification of Eukaryotes (2012)
Journal Article
Adl, S. M., Simpson, A. G. B., Lane, C. E., Lukeš, J., Bass, D., Bowser, S. S., …Spiegel, F. W. (2012). The Revised Classification of Eukaryotes. Journal of Eukaryotic Microbiology, 59(5), 429-514. https://doi.org/10.1111/j.1550-7408.2012.00644.x

This revision of the classification of eukaryotes, which updates that of Adl et al. [J. Eukaryot. Microbiol. 52 (2005) 399], retains an emphasis on the protists and incorporates changes since 2005 that have resolved nodes and branches in phylogenetic... Read More about The Revised Classification of Eukaryotes.

Species Boundaries in Gregarine Apicomplexan Parasites: A Case Study-Comparison of Morphometric and Molecular Variability in Lecudina cf. tuzetae (Eugregarinorida, Lecudinidae): SPECIES BOUNDARIES IN GREGARINES (2011)
Journal Article
Rueckert, S., Villette, P. M. E. H., & Leander, B. S. (2011). Species Boundaries in Gregarine Apicomplexan Parasites: A Case Study-Comparison of Morphometric and Molecular Variability in Lecudina cf. tuzetae (Eugregarinorida, Lecudinidae): SPECIES BOUNDAR

Trophozoites of gregarine apicomplexans are large feeding cells with diverse morphologies that have played a prominent role in gregarine systematics. The range of variability in trophozoite shapes and sizes can be very high even within a single speci... Read More about Species Boundaries in Gregarine Apicomplexan Parasites: A Case Study-Comparison of Morphometric and Molecular Variability in Lecudina cf. tuzetae (Eugregarinorida, Lecudinidae): SPECIES BOUNDARIES IN GREGARINES.

Identification of a Divergent Environmental DNA Sequence Clade Using the Phylogeny of Gregarine Parasites (Apicomplexa) from Crustacean Hosts (2011)
Journal Article
Rueckert, S., Simdyanov, T. G., Aleoshin, V. V., & Leander, B. S. (2011). Identification of a Divergent Environmental DNA Sequence Clade Using the Phylogeny of Gregarine Parasites (Apicomplexa) from Crustacean Hosts. PLOS ONE, 6(3), Article e18163. https:

Background Environmental SSU rDNA surveys have significantly improved our understanding of microeukaryotic diversity. Many of the sequences acquired using this approach are closely related to lineages previously characterized at both morphologica... Read More about Identification of a Divergent Environmental DNA Sequence Clade Using the Phylogeny of Gregarine Parasites (Apicomplexa) from Crustacean Hosts.

Parasite diversity as an indicator of environmental change? An example from tropical grouper (Epinephelus fuscoguttatus) mariculture in Indonesia (2011)
Journal Article
Palm, H. W., Kleinertz, S., & Rueckert, S. (2011). Parasite diversity as an indicator of environmental change? An example from tropical grouper (Epinephelus fuscoguttatus) mariculture in Indonesia. Parasitology, 138(13), 1793-1803. https://doi.org/10.1017

Fish parasites are used to monitor long-term change in finfish grouper mariculture in Indonesia. A total of 210 Epinephelus fuscoguttatus were sampled in six consecutive years between 2003/04 and 2008/09 and examined for parasites. The fish were obta... Read More about Parasite diversity as an indicator of environmental change? An example from tropical grouper (Epinephelus fuscoguttatus) mariculture in Indonesia.

Gastrointestinal and ectoparasites from urban stray dogs in Fortaleza (Brazil): high infection risk for humans? (2010)
Journal Article
Klimpel, S., Heukelbach, J., Pothmann, D., & Rueckert, S. (2010). Gastrointestinal and ectoparasites from urban stray dogs in Fortaleza (Brazil): high infection risk for humans?. Parasitology Research, 107, 713-719. https://doi.org/10.1007/s00436-010-1926-7

Dogs are important definite or reservoir hosts for zoonotic parasites. However, only few studies on the prevalence of intestinal parasites in urban areas in Brazil are available. We performed a comprehensive study on parasites of stray dogs in a Braz... Read More about Gastrointestinal and ectoparasites from urban stray dogs in Fortaleza (Brazil): high infection risk for humans?.

Description of Trichotokara nothriae n. gen. et sp. (Apicomplexa, Lecudinidae) – An intestinal gregarine of Nothria conchylega (Polychaeta, Onuphidae) (2010)
Journal Article
Rueckert, S., & Leander, B. S. (2010). Description of Trichotokara nothriae n. gen. et sp. (Apicomplexa, Lecudinidae) – An intestinal gregarine of Nothria conchylega (Polychaeta, Onuphidae). Journal of Invertebrate Pathology, 104, 172-179. https://doi.org/10.1016/j.jip.2010.03.005

The trophozoites of a novel gregarine apicomplexan, Trichotokara nothriae n. gen. et sp., were isolated and characterized from the intestines of the onuphid tubeworm Nothria conchylega (Polychaeta), collected at 20 m depth from the North-eastern Paci... Read More about Description of Trichotokara nothriae n. gen. et sp. (Apicomplexa, Lecudinidae) – An intestinal gregarine of Nothria conchylega (Polychaeta, Onuphidae).

Parasites of cultured and wild brown-marbled grouper Epinephelus fuscoguttatus (Forsskal, 1775) in Lampung Bay, Indonesia. (2010)
Journal Article
Rueckert, S., Klimpel, S., & Palm, H. W. (2010). Parasites of cultured and wild brown-marbled grouper Epinephelus fuscoguttatus (Forsskal, 1775) in Lampung Bay, Indonesia. Aquaculture Research, 41, 1158-1169. https://doi.org/10.1111/j.1365-2109.2009.02403.x

A total of 210 Epinephelus fuscoguttatus (brown-marbled grouper) was examined for parasites. During three consecutive seasons (two rainy and one dry season from 2002 to 2004), 35 specimens each taken from floating net cages of the National Sea Farmin... Read More about Parasites of cultured and wild brown-marbled grouper Epinephelus fuscoguttatus (Forsskal, 1775) in Lampung Bay, Indonesia..

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) (2010)
Journal Article
Prokopowicz, A. J., Rueckert, S., Leander, B. S., Michaud, J., & Fortier, L. (2010). Parasitic infection of the hyperiid amphipod Themisto libellula in the Canadian Beaufort Sea (Arctic Ocean), with a description of Ganymedes themistos sp. n. (Apicomplexa

Two parasites were found in the hyperiid amphipod Themisto libellula sampled with nets and collected by sediment traps over the annual cycle in the Canadian Beaufort Sea. The trophozoites of the newly described gregarine Ganymedes themistos sp. n. in... Read More about 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).

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. (2009)
Journal Article
Chantangsi, C., Leander, B. S., & Rueckert, S. (2010). Molecular systematics of marine gregarines (Apicomplexa) from North-eastern Pacific polychaetes and nemerteans, with descriptions of three novel species: Lecudina phyllochaetopteri sp. nov., Difficili

Most eugregarine apicomplexans infecting the intestines of marine invertebrates have been described within the family Lecudinidae and the type genus Lecudina. The diversity of these parasites is vast and poorly understood and only a tiny number of sp... Read More about 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..