Publications
2023
Agatha S., Weißenbacher B., Kirschner M. & Ganser M.H. (2023): Trichite features contribute to revision of the genus Strombidium (Alveolata, Ciliophora, Spirotricha). J. Eukaryot. Microbiol. e13001. https://doi.org/10.1111/jeu.13001
Ganser M.H., Bartel H., Fedrizzi M. & Agatha S. (2023): A comparative ultrastructural study on the nanoscale extrusomes of tintinnids (Alveolata, Ciliophora, Spirotricha) and their phylogenetic significance. Eur. J. Protistol. 87: 125953. https://doi.org/10.1016/j.ejop.2022.125953.
2022
Ganser M.H., Bartel H., Weißenbacher B., Andosch A., Lütz-Meindl U., Radacher P. & Agatha S. (2022): A light and electron microscopical study on the resting cyst of the tintinnid Schmidingerella (Alveolata, Ciliophora) including a phylogeny-aware comparison. Eur. J. Protistol. 86: 125922. https://doi.org/10.1016/j.ejop.2022.125922
He J., Jiang J., Agatha S. & Pan H. (2022): Taxonomy and phylogeny of the freshwater tintinnid Tintinnopsis tubuformis Chiang, 1956 (Ciliophora, Oligotrichea) and a proposed synonymization of T. longa nom. corr. Chiang, 1956. J. Eukaryot. Microbiol., 69, e12918. doi: 10.1111/jeu.12918
Agatha, S. & Bartel, H. (2022): A comparative ultrastructural study of tintinnid loricae (Alveolata, Ciliophora, Spirotricha) and a hypothesis on their evolution. J. Eukaryot. Microbiol. 69, e12877. DOI: 10.1111/jeu.12877
Agatha S., Gruber M.S., Bartel H. & Weißenbacher B. (2022): Somatic infraciliature in tintinnid ciliates (Alveolata, Ciliophora, Spirotricha): an ultrastructural comparison. J. Eukaryot. Microbiol. 69, e12885. DOI: 10.1111/jeu.12885
Frantal D., Agatha S., Beisser D., Boenigk J., Darienko T., Dirren-Pitsch G., Filker S., Gruber M., Kammerlander B., Nachbaur L., Scheffel U., Stoeck T., Qian K., Weißenbacher B., Pröschold T. & Sonntag B. (2022): 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 distribution. Front. Microbiol. 12, 787290. https://doi.org/10.3389/fmicb.2021.787290
Ganser M.H., Santoferrara L.F. & Agatha S. (2022): Molecular signature characters complement taxonomic diagnoses: A bioinformatic approach exemplified by ciliated protists (Ciliophora, Oligotrichea). Mol. Phylogenet. Evol. 170, 107433. https://doi.org/10.1016/j.ympev.2022.107433
2021
Agatha S., Ganser M.H. & Santoferrara L.F. (2021): The importance of type species and their correct identification – a key example from tintinnid ciliates (Alveolata, Ciliophora, Spirotricha). J. Eukaryot. Microbiol. 68: e12865. https://doi.org/10.1111/jeu.12865
Agatha S., Utz L., Zufall R., Warren A. (2021): Symposium on Ciliates in Memory of Denis Lynn. Eur. J. Protistol. 78: 125694. https://doi.org/10.1016/j.ejop.2020.125694
Ganser M.H., Forster D., Liu W., Lin X., Stoeck T. & Agatha S. (2021): Genetic diversity in marine planktonic ciliates (Ciliophora, Alveolata) suggests distinct geographical patterns – data from Chinese and European coastal waters. Front. Mar. Sci. 8: 643822. https://doi.org/10.3389/fmars.2021.643822
2020
Hütter T., Ganser M.H., Kocher M., Halkic M., Agatha S. & Augsten N. (2020): DeSigNate: detecting signature nucleotides for taxon diagnoses. BMC Bioinformatics 21: 151. https://doi.org/10.1186/s12859-020-3498-6
Gruber M.S., Weissenbacher B., Agatha S. (2020): Ultrastructural studies on a model tintinnid – Schmidingerella meunieri (Kofoid & Campbell, 1929) Agatha & Strüder-Kypke, 2012 (Ciliophora). II. The Oral Apparatus. J. Eukaryot. Microbiol. 67: 463–479 + Supplement 1–18. https://doi.org/10.1111/jeu.12795
2019
Adl S. M., Bass D., Lane C. E., Lukeš J., Schoch C. L., Smirnov A., Agatha S., Berney C., Brown M. W., Burki F., Cárdenas P., Čepička I., Chistyakova L., del Campo J., Dunthorn M., Edvardsen B., Eglit Y., Guillou L., Hampl V., Heiss A. A., Hoppenrath M., James T. Y., Karnkowska A., Karpov S., Kim E., Kolisko M., Kudryavtsev A., Lahr D. J. G., Lara E., Le Gall L., Lynn D. H., Mann D. G., Massana R., Mitchell E. A. D., Morrow C., Park J. S., Pawlowski J. W., Powell M. J., Richter D. J., Rueckert S., Shadwick L., Shimano S., Spiegel F. W., Torruella G., Youssef N., Zlatogursky V. & Zhang Q. (2019): Revisions to the classification, nomenclature, and diversity of eukaryotes. J. Eukaryot. Microbiol. 66: 4-119. https://doi.org/10.1111/jeu.12691
Ganser M.H. & Agatha S. (2019): Redescription of Antetintinnidium mucicola (Claparède and Lachmann, 1858) nov. gen., nov. comb. (Alveolata, Ciliophora, Tintinnina). J. Eukaryot. Microbiol. 66: 802–820. https://doi.org/10.1111/jeu.12728
2018
Gruber M., Strüder-Kypke M. & Agatha S. (2018): Redescription of Tintinnopsis everta Kofoid & Campbell, 1929 (Alveolata, Ciliophora, Tintinnina) based on taxonomic and genetic analyses – discovery of a new complex ciliary pattern. J. Eukaryot. Microbiol. 65: 484–504 + Supplement 1–10 + Tables 1, 2. https://doi.org/10.1111/jeu.12496
Qu Z., Groben R., Marteinsson V., Agatha S., & Stoeck T. (2018): Redescription of Dexiotricha colpidiopsis (Kahl, 1926) Jankowski, 1964 (Ciliophora, Oligohymeno-phorea) from a hot spring in Iceland with identification key for Dexiotricha species. Acta Protozool. 57: 95–106. https://doi.org/10.4467/16890027ap.18.009.8983
Gruber M.S., Mühlthaler A. & Agatha S. (2018): Ultrastructural studies on a model tintinnid – Schmidingerella meunieri (Kofoid and Campbell, 1929) Agatha and Strüder-Kypke, 2012 (Ciliophora). I. Somatic kinetids with unique ultrastructure. Acta Protozool. 57: 195–214. https://doi.org/10.4467/16890027AP.18.015.10091
Bardele C., Stockmann N. & Agatha S. (2018): Some ultrastructural features of the planktonic freshwater ciliate Limnostrombidium viride (Alveolata, Ciliophora, Oligotrichida) and improved diagnoses of oligotrich taxa. Acta Protozool. 57: 169–193. https://doi.org/10.4467/16890027AP.18.014.10090
2017
Ceríaco L.M.P., Gutiérrez E. E., Dubois A., Simón C., Alqarni A.S., Adler K., Adriano, E.A., Aescht E., Agarwal I., Agatha S. et al. (2016): Photography-based taxonomy is inadequate, unnecessary, and potentially harmful for biological sciences. Zootaxa 4196: 435-445. https://doi.org/10.11646/zootaxa.4196.3.9
Zhang Q., Agatha S., Zhang W., Dong J., Yu Y., Jiao N.& Gong J. (2017): Three rDNA loci-based phylogenies of tintinnid ciliates (Ciliophora, Spirotrichea, Choreotrichida). J. Eukaryot. Microbiol. 64: 226-241 + Supplement 1–20. https://doi.org/10.1111/jeu.12354
Warren A., Patterson D. J., Dunthorn M., Clamp J. C., Achilles-Day U. E. M., Aescht E., Al-Farraj S. A., Al-Quraishy S., Al-Rasheid K., Carr M., Day J. G., Dellinger M., El-Serehy H. A., Fan Y., Gao F., Gao S., Gong J., Gupta R., Hu X., Kamra K., Langlois G., Lin X., Lipscomb D., Lobban C. S., Luporini P., Lynn D. H., Ma H., Macek M., Mackenzie-Dodds J., Makhija S., Mansergh R. I., Martín-Cereceda M., McMiller N., Montagnes D. J. S., Nikolaeva S., Odhiambo Ong’ondo, G., Pérez-Uz B., Purushothaman J., Quintela-Alonso P., Rotterová J., Santoferrara L., Shao C., Shen Z., Shi X., Song W., Stoeck T., La Terza A., Vallesi A., Wang M., Weisse T., Wiackowski K., Wu L., Xu K., Yi Z., Zufall R. & Agatha S. (2017): Beyond the “Code”: a guide to the description and documentation of biodiversity in ciliated protists (Alveolata, Ciliophora). J. Eukaryot. Microbiol. 64: 539–554. https://doi.org/10.1111/jeu.12391
2016
Fotedar R., Stoeck T., Filker S., Fell W. J., Agatha S., Al Marri M. & Jiang J. (2016): Description of the halophile Euplotes qatarensis nov. spec. (Ciliophora, Spirotrichea, Euplotida) Isolated from the hypersaline Khor Al-Adaid Lagoon in Qatar. J. Eukaryot. Microbiol. 63: 578–590 + Supplement 1–3. https://doi.org/10.1111/jeu.12305
Santoferrara L.F., Bachy C., Alder V.A., Gong J., Kim Y.-O., Saccà A., Silva Neto I. D. da, Strüder-Kypke M. C., Warren A., Xu D., Yi Z., & Agatha S. (2016): Updating biodiversity studies in loricate protists: the case of the tintinnids (Alveolata, Ciliophora, Spirotrichea). J. Eukaryot. Microbiol. 63: 651–656 + Supplement 1–8. https://doi.org/10.1111/jeu.12303
Agatha S. (2016): Universitäten: Der Mangel an Taxonomen ist spürbar. Natur & Land 102: 24–26.
2015
Lee E.S., Kim Y.O., Agatha S., Jung J.-H., Xu D. & Shin M.K. (2015): Revision of Strombidium paracalkinsi (Alveolata: Ciliophora: Spirotricha: Oligotrichida), with comparison of strombidiids bearing thigmotactic membranelles. J. Eukaryot. Microbiol. 62: 400–409. https://doi.org/10.1111/jeu.12195
Dunthorn M., Lipps J.H., Dolan J.R., Abboud-Abi Saab M., Aescht E., Bachy C., Barría de Cao M.S., Berger H., Bourland W.A., Choi J.K., Clamp J., Doherty M., Gao F., Gentekaki E., Gong J., Hu X., Huang J., Kamiyama T., Johnson M.D., Kammerlander B., Kim S.Y., Kim Y.-O., la Terzaz A., Laval-Peuto M., Lipscomb D., Lobban C.S., Long H., Luporini P., Lynn D.H., Macek M., Mansergh R.I., Martín-Cereceda M., McManus G.G., Montagnes D.J.S., Ong’ondo G.O., Patterson D.J., Pérez-Uz B., Quintela-Alonso P., Safi L.S.L., Santoferrara L.F., Sonntag B., Song W., Stoeck T., Stoecker D.K., Strüder-Kypke M.C., Trautmann I., Utz L.R.P., Vallesi A., Vd’ačný P., Warren A., Weisse T., Wickham S.A., Yi Z., Zhang W., Zhan Z., Zufall R. & Agatha S. (2015): Ciliates – protists with complex morphologies and ambiguous early fossil record. Mar. Micropaleontol. 119: 1–6. https://doi.org/10.1016/j.marmicro.2015.05.004
2014
Agatha S. (2014): Redescription of Strombidium coronatum (Leegaard, 1915) Kahl, 1932 (Ciliophora, Spirotricha) based on live observation, protargol impregnation, and scanning electron microscopy. Acta Protozool. 53: 287–294. https://doi.org/10.4467/16890027AP.14.026.2021
Agatha S. & Strüder-Kypke M.C. (2014): What morphology and molecules tell us about the evolution of Oligotrichea (Protista, Ciliophora). Acta Protozool. 53: 77–90 + Supplement 1–19. https://doi.org/10.4467/16890027AP.14.008.1445
2013
Agatha S. & Strüder-Kypke M.C. (2013): Systematics and evolution of tintinnid ciliates. In: Dolan J.R., Montagnes D.J.S., Agatha S., Coats W.D. & Stoecker D.K. (eds.): The Biology and Ecology of Tintinnid Ciliates: Models for Marine Plankton. Wiley-Blackwell: 42–84.
Agatha S., Laval-Peuto M. & Simon P. (2013): The tintinnid lorica. In: Dolan J.R., Montagnes D.J.S., Agatha S., Coats W.D. & Stoecker D.K. (eds.): The Biology and Ecology of Tintinnid Ciliates: Models for Marine Plankton. Wiley-Blackwell: 17–41.
Dolan J.R., Montagnes D.J.S., Agatha S., Coats W.D. & Stoecker D.K. (2013): The Biology and Ecology of Tintinnid Ciliates: Models for Marine Plankton. Wiley-Blackwell: i–viii + 1–296.
2012
Agatha S. & Simon P. (2012): On the nature of tintinnid loricae (Ciliophora: Spirotricha: Tintinnina): a histochemical, enzymatic, EDX, and high-resolution TEM study. Acta Protozool. 51: 1–19 + Supplement 1–4. https://doi.org/10.4467/16890027AP.12.001.0384
Agatha S. & Strüder-Kypke M.C. (2012): Reconciling cladistic and genetic analyses in choreotrichid ciliates (Ciliophora, Spirotricha, Oligotrichea). J. Eukaryot. Microbiol. 59: 325–350. https://doi.org/10.1111/j.1550-7408.2012.00623.x
2011
Agatha S. (2011a): Updated hypothesis about the evolution of oligotrichid ciliates (Ciliophora, Spirotricha, Oligotrichida) based on somatic ciliary patterns and ontogenetic data. Eur. J. Protistol. 47: 51–56. https://doi.org/10.1016/j.ejop.2010.09.001
Agatha S. (2011b): Global diversity of aloricate Oligotrichea (Protista, Ciliophora, Spirotricha) in marine and brackish sea water. PLoS ONE 6: e22466: 1–13 + Supplement 1–13. https://doi.org/10.1371/journal.pone.0022466
Foissner W., Stoeck T., Agatha S. & Dunthorn M. (2011): Intraclass evolution and classification of the Colpodea (Ciliophora). J. Eukaryot. Microbiol. 58: 397–415. https://doi.org/10.1111/j.1550-7408.2011.00566.x
2010
Agatha S. (2010a): A light and scanning electron microscopic study of the closing apparatus in tintinnid ciliates (Ciliophora, Spirotricha, Tintinnina): a forgotten synapomorphy. J. Eukaryot. Microbiol. 57: 297–307. https://doi.org/10.1111/j.1550-7408.2010.00490.x
Agatha S. (2010b): Redescription of Tintinnopsis parvula Jörgensen, 1912 (Ciliophora: Spirotrichea: Tintinnina), including a novel lorica matrix. Acta Protozool. 49: 213–234.
2009
Agatha S. (2009a): Oligotrich planktonic ciliates. In: Röttger R., Knight R. & Foissner W. (eds.): A Course in Protozoology. Protozoological Monographs 4, Shaker Verlag, Aachen: 185–193.
Agatha S. (2009b): Marie Abboud-Abi Saab. 2008. Tintinnids of the Lebanese coastal waters (Eastern Mediterranean). Limnol. Oceanogr. Bull. 18: 13. https://doi.org/10.1002/lob.200918113
Agatha S. & Foissner W. (2009): Conjugation in the spirotrich ciliate Halteria grandinella (Müller, 1773) Dujardin, 1841 (Protozoa, Ciliophora) and its phylogenetic implications. Eur. J. Protistol. 45: 51–63 + Supplement 1–18. https://doi.org/10.1016/j.ejop.2008.07.004
2008
Agatha S. (2008): Redescription of the tintinnid ciliate Tintinnopsis fimbriata Meunier, 1919 (Spirotricha, Choreotrichida) from coastal waters of Northern Germany. Denisia 23: 261–272.
Agatha S. & Tsai S.-F. (2008): Redescription of the tintinnid Stenosemella pacifica Kofoid and Campbell, 1929 (Ciliophora, Spirotricha) based on live observation, protargol impregnation, and scanning electron microscopy. J. Eukaryot. Microbiol. 55: 75–85. https://doi.org/10.1111/j.1550-7408.2008.00309.x
Further Publications
Agatha S. & Strüder-Kypke M. C. (2007): Phylogeny of the order Choreotrichida (Ciliophora, Spirotricha, Oligotrichea) as inferred from morphology, ultrastructure, ontogenesis, and SSrRNA gene sequences. Europ. J. Protistol. 43: 37–63.
Foissner W., Müller H. & Agatha S. (2007): A comparative fine structural and phylogenetic analysis of resting cysts in oligotrich and hypotrich Spirotrichea (Ciliophora). Europ. J. Protistol. 43: 295–314.
Agatha S. & Riedel-Lorjé J. C. (2006): Redescription of Tintinnopsis cylindrica Daday, 1887 (Ciliophora, Spirotricha) and unification of tintinnid terminology. Acta Protozool. 45: 137–151.
Chao A., Li P. C., Agatha S. & Foissner W. (2006): A statistical approach to estimate soil ciliate diversity and distribution based on data from five continents. Oikos 114: 479–493.
Agatha S., Strüder-Kypke M. C., Beran A. & Lynn D. H. (2005): Pelagostrobilidium neptuni (Montagnes and Taylor, 1994) and Strombidium biarmatum nov. spec. (Ciliophora, Oligotrichea): phylogenetic position inferred from morphology, ontogenesis, and gene sequence data. Europ. J. Protistol. 41: 65–83.
Agatha S. (2004): Evolution of ciliary patterns in the Oligotrichida (Ciliophora, Spirotricha) and its taxonomic implications. Zoology 107: 153–168.
Agatha S. (2004): A cladistic approach for the classification of oligotrichid ciliates (Ciliophora: Spirotricha). Acta Protozool. 43: 201–217.
Agatha S. (2004): New observations on the tontoniid ciliate Spirotontonia grandis (Suzuki and Han, 2000) Agatha, 2004 (Ciliophora, Oligotrichida, Tontoniidae); comparison with the similar Laboea strobila. Europ. J. Protistol. 40: 295–301.
Agatha S., Strüder-Kypke M. C. & Beran A. (2004): Morphologic and genetic variability in the marine planktonic ciliate Laboea strobila Lohmann, 1908 (Ciliophora, Oligotrichia), with notes on its ontogenesis. J. Eukaryot. Microbiol. 51: 267–282.
Agatha S. (2003): Morphology and ontogenesis of Novistrombidium apsheronicum nov. comb. and Strombidium arenicola (Protozoa, Ciliophora): a comparative light and SEM study. Europ. J. Protistol. 39: 245–266.
Agatha S. (2003): Redescription of Strombidinopsis minima (Gruber, 1884) Lynn et al., 1991 (Protozoa, Ciliophora), with notes on its ontogenesis and distribution. Europ. J. Protistol. 39: 233–244. Foissner W., Agatha S. & Berger H. (2002): Soil ciliates (Protozoa, Ciliophora) from Namibia (Southwest Africa), with emphasis on two contrasting environments, the Etosha region and the Namib Desert. Denisia 5, Part I: Text and line drawings. Part II: Photographs. 1459 pp.
