Publications

Pirritano M, Yakovleva Y, Potekhin A, Simon M  (2022)
Species-specific duplication of surface antigen genes in Paramecium. Microorganisms 10, 2378 PDF

Spanner C, Darienko T, Filker S, Sonntag B, Pröschold T  (2022)
Morphological diversity and molecular phylogeny of five Paramecium bursaria (Alveolata, Ciliophora, Oligohymenophorea) syngens and the identification of their green algal endosymbionts. Scientific Reports 12, 18089 PDF

Sommer F, Sonntag B, Rastl N, Summerer M, Tartarotti B (2022)
Ciliates in man-made mountain reservoirs
. Frontiers in Environmental Science, 10.3389 PDF

Sonntag B, Frantal D, Kammerlander B, Darienko T, Filker S, Stoeck T, Gruber M, Pröschold T (2022)
Widespread occurrence of two planktonic ciliate species (
Urotricha, Prostomatida) originating from high mountain lakes. Diversity 14, 362 PDF

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. Frontiers in Microbiology 12, 787290 PDF

Pröschold T, Rieser D, Darienko T, Nachbaur L, Kammerlander B, Qian K, Pitsch G, Bruni EP, Qu Z, Forster D, Rad-Menendez C, Posch T, Stoeck T, Sonntag B (2021)
An integrative approach sheds new light onto the systematics and ecology of the widespread ciliate genus Coleps (Ciliophora, Prostomatea). Scientific Reports 11, 5916 PDF

Forster D, Qu Z, Pitsch G, Bruni EP, Kammerlander B, Pröschold T, Sonntag B, Posch T, Stoeck T (2021)
Lake ecosystem robustness and resilience inferred from a climate-stressed protistan plankton network.  Microorganisms 2021, 9, 549 PDF

Qu Z, Forster D, Bruni EP, Frantal D, Kammerlander B, Nachbaur L, Pitsch G, Posch T, Pröschold T, Teubner K,  Sonntag B, Stoeck T (2021)
Aquatic food webs in deep temperate lakes: key species establish through their autecological versatility. Molecular Ecology. 2021;30:1053–1071 PDF

Sonntag B, Sommaruga R  (2020)
Effectiveness of photoprotective strategies in three mixotrophic planktonic ciliate species. Diversity 12:252 PDF

Spanner C, Darienko T, Biehler T, Sonntag B, Pröschold T  (2020)
Endosymbiotic green algae in Paramecium bursaria: a new isolation method and a simple diagnostic PCR approach for the identification. Diversity 12:240 PDF

Flemming FE, Potekhin A, Pröschold T, Schrallhammer M  (2020)
Algal diversity in Paramecium bursaria: species identification, detection of Choricystis parasitica, and assessment of the interaction specificity. Diversity 12:287 PDF

Pröschold T, Pitsch G, Darienko T (2020)
Micractinium tetrahymenae (Trebouxiophyceae, Chlorophyta), a new endosymbiont isolated from ciliates. Diversity 12:200 PDF

Darienko T, Rad-Menendez L, Campbell C, Pröschold T (2019)
Are there any true marine Chlorella species? Molecular phylogenetic assessment and ecology of marine Chlorella-like organisms, including a description of Droopiella gen. nov. Systematics and Biodiversity 17:811-829 PDF

Pitsch G, Bruni EP, Forster D, Qu Z, Sonntag B, Stoeck T, Posch T  (2019)
Seasonality of planktonic freshwater ciliates: are analyses based on V9 regions of the 18S rRNA gene correlated with morphospecies counts? Frontiers in Microbiology: Aquatic Microbiology 10:248 PDF

Kammerlander B, Tartarotti B, Sonntag B (2018)
The impact of UV radiation on Paramecium populations from alpine lakes. Journal of Eukaryotic Microbiology 65:250-254 PDF

Sonntag B, Kammerlander B, Summerer M (2017)
Bioaccumulation of ultraviolet sunscreen compounds (mycosporine-like amino acids) by the heterotrophic freshwater ciliate Bursaridium living in alpine lakes. Inland Waters 7:55-64 PDF

Schabetsberger R, Sichrowsky U, Scheck A, Schagerl M, Mähnert B,  Sonntag B, Pall K (2017)
First limnological characterization of the crater-lake Billy Mitchell (Bougainville Island, Papua New Guinea). Pacific Science 71:29 – 45 PDF

Kammerlander B, Koinig KA, Rott E, Sommaruga R, Tartarotti B, Trattner F, Sonntag B (2016)
Ciliate community structure and interactions within the planktonic food web in two alpine lakes of contrasting transparency. Freshwater Biology 61:1950-1965 PDF

Slaveykova V, Sonntag B, Gutiérrez JC (2016)
Stress and protists: no life without stress. European Journal of Protistology 55:39-49 PDF

Weisse T, Sonntag B (2016)
Ciliates in planktonic food webs: communication and adaptive response. In: Witzany G. & Nowacki M (eds), Biocommunication of ciliates. Springer, Berlin, pp. 351-372 PDF

Dunthorn M, Lipps JH, Dolan JR, Abboud-Abi Saab M, Aescht E, Bachy C, Barría de Cao MS, Berger H, Bourland WA, Choi JK, Clamp J, Doherty M, Gao F, Gentekaki E, Gong J, Hu X, Huang J, Kamiyama T, Johnson MD, Kammerlander B, Kim SY, Kim Y-O, la Terza A, Laval-Peuto M, Lipscomb D, Lobban CS, Long H, Luporini P, Lynn DH, Macek M, Mansergh RI, Martín-Cereceda M, McManus GG, Montagnes DJS, Ong’ondo GO, Patterson DJ, Pérez-Uz B, Quintela-Alonso P, Safi LSL, Santoferrara LF, Sonntag B, Song W, Stoeck T, Stoecker DK, Strüder-Kypke MC, Trautmann I, Utz LRP, Vallesi A, Vd’ačný P, Warren A, Weisse T, Wickham SA, Yi Z, Zhang W, Zhan Z, Zufall R, Agatha S (2015)
Ciliates  – protists with complex morphologies and ambiguous early fossil record. Marine Micropaleontology 119:1-6 PDF

Kammerlander B, Breiner H-W, Filker S, Sommaruga R, Sonntag B, Stoeck T (2015)
High diversity of protistan plankton communities in remote high mountain lakes in the European Alps and the Himalaya mountains. FEMS Microbiology Ecology 91:fiv010 PDF

Sichrowsky U, Schabetsberger R, Pall K, Sonntag B, Stoyneva M, Kalfatak D, Økland F, Scheck A, Tambets M (2015)
Limnological characterization of the largest freshwater lake in remote Oceania (Lake Letas, Gaua Island, Vanuatu). Pacific Science  69:165-180 PDF

Sichrowsky U, Schabetsberger R, Sonntag B, Stoyneva M, Maloney AE, Nelson DB, Richey JN, Sachs JP (2014)
Limnological characterization of volcanic crater lakes on Uvea Island (Wallis and Futuna, South Pacific). Pacific Science 68:333-343 PDF

Stoeck T, Breiner H-W, Filker S, Ostermaier V, Kammerlander B, Sonntag B (2014)
A morpho-genetic survey on ciliate plankton from a mountain lake pinpoints the necessity of lineage-specific barcode markers in microbial ecology. Environmental Microbiology 16:430-444 PDF

Ong’ondo GO, Yasindi AW, Oduor SO, Jost S, Schagerl M, Sonntag B, Boenigk J (2013)
Ecology and community structure of ciliated protists in two alkaline-saline Rift Valley lakes in Kenya with special emphasis on FrontoniaJournal of Plankton Research 35: 759-771 PDF

Sonntag B, Summerer M, Sommaruga R (2011)
Are freshwater mixotrophic ciliates less sensitive to solar UV radiation than heterotrophic ones? Journal of Eukaryotic Microbiology 58: 196-202 PDF

Sonntag B, Summerer M, Sommaruga R (2011)
Factors involved in the distribution pattern of ciliates in the water column of a transparent alpine lake. Journal of Plankton Research 33: 541-546 PDF Cover

Sommaruga R, Sonntag B (2009)
Photobiological aspects of the mutualistic association between Paramecium bursaria and Chlorella. In: Endosymbionts of Paramecium (M Fujishima, Ed.), Microbiology Monographs 12, Springer Verlag, Berlin, Germany, 111-130 PDF

Summerer M, Sonntag B, Hörtnagl P, Sommaruga R (2009)
Symbiotic ciliates receive protection against UV damage from their algae: A test with Paramecium bursaria and Chlorella. Protist 160: 233-243 PDF

Sonntag B, Strüder-Kypke MC, Summerer M (2008)
Uroleptus willii nov. sp., a euplanktonic freshwater ciliate (Dorsomarginalia, Spirotrichea, Ciliophora) with algal symbionts: morphological description including phylogenetic data of the small subunit rRNA gene sequence and ecological notes. Denisia 23: 279-288 PDF

Summerer M, Sonntag B, Sommaruga R (2008)
Ciliate-symbiont specificity of freshwater endosymbiotic Chlorella (Trebouxiophyceae, Chlorophyta). Journal of Phycology 44: 77-87 PDF

Sterr B, Sommaruga R (2008)
Does ultraviolet radiation alter kairomones? An experimental test with Chaoborus obscuripes and Daphnia pulex. Journal of Plankton Research 30: 1343-1350 PDF

Sonntag B, Summerer M, Sommaruga R (2007)
Sources of mycosporine-like amino acids in planktonic Chlorella-bearing ciliates (Ciliophora). Freshwater Biology 52: 1476-1485 PDF + Cover

Summerer M, Sonntag B, Sommaruga R (2007)
An experimental test of the symbiosis specificity between the ciliate Paramecium bursaria and strains of the unicellular green alga Chlorella. Environmental Microbiology 9: 2117-2122 PDF

Posch T, Mindl B, Horňák K, Jezbera J, Salcher MM, Sattler B, Sonntag B, Vrba J, Šimek K (2007)
Biomass reallocation within freshwater bacterioplankton induced by manipulating phosphorous availability and grazing. Aquatic Microbial Ecology 49: 223-232 PDF

Salcher MM, Hofer J, Horňák K, Jezbera J, Sonntag B, Vrba J, Šimek K, Posch T (2007)
Modulation of microbial predator-prey dynamics by phosphorous availability. Part II: Growth patterns and survival strategies of bacterial phylogenetic clades. FEMS Microbiology Ecology 60: 40-50 PDF

Sonntag B, Posch T, Klammer S, Teubner K, Psenner R (2006)
Phagotrophic ciliates and flagellates in an oligotrophic deep alpine lake: contrasting variability with seasons and depths. Aquatic Microbial Ecology 43: 193-207 PDF

Pérez P, Libkind D, Diéguez MdC, Summerer M, Sonntag B, Sommaruga R, van Broock M, Zagarese HE (2006)
Mycosporines from freshwater yeasts: a trophic cul-de-sac? Photochemical and Photobiological Sciences 5: 25-30 PDF

Rott E, Füreder L, Schütz C, Sonntag B, Wille A (2006)
Species coexistence in contrast to competition – first evidence from biota within an extreme stream microhabitat. Proceedings of the International Association of Theoretical and Applied Limnology (SIL) 29: 2321-2323 PDF

Mindl B, Sonntag B, Pernthaler J, Vrba J, Psenner R, Posch T (2005)
Effects of phosphorus loading on interactions of algae and bacteria: reinvestigation of the „phytoplankton-bacteria paradox“ in a continuous cultivation system. Aquatic Microbial Ecology 38: 203-213 PDF

Sonntag B, Foissner W (2004)
Urotricha psenneri n. sp. and Amphileptus piger (Vuxanovici, 1962) n. comb., two planktonic ciliates (Protozoa, Ciliophora) from an oligotrophic lake in Austria. Journal of Eukaryotic Microbiology 51: 670-677 PDF

Sonntag B, Posch T, Klammer S, Griebler C, Psenner R (2002)
Protozooplankton in the deep oligotrophic Traunsee (Austria) influenced by discharges of soda and salt industries. Water, Air, and Soil Pollution: Focus 2: 211-226 PDF

Griebler C, Sonntag B, Mindl B, Posch T, Klammer S, Psenner R (2002)
Assessment of the ecological integrity of Traunsee (Austria) via analysis of sediments and benthic microbial communities. Water, Air, and Soil Pollution: Focus 2: 33-62 PDF

Klammer S, Posch T, Sonntag B, Griebler C, Mindl B, Psenner R (2002)
Dynamics of bacterial abundance, biomass, activity, and community composition in the oligotrophic Traunsee and the Traun River (Austria). Water, Air, and Soil Pollution: Focus 2: 137-163 PDF

Posch T, Jezbera J, Vrba J, Šimek K, Pernthaler J Andreatta S, Sonntag B (2001)
Size selective feeding in Cyclidium glaucoma (Ciliophora, Scuticociliatida) and its effects on bacterial community structure: a study from a continuous cultivation system. Microbial Ecology 42: 217-227 PDF

Sonntag B, Posch T, Psenner R (2000)
Comparison of three methods for determining flagellate abundance, cell size, and biovolume in cultures and natural freshwater samples. Archiv für Hydrobiologie 149: 337-351 PDF

Wille A, Sonntag B, Sattler B, Psenner R (1999)
Abundance, biomass and size structure of the microbial assemblage in the high mountain lake Gossenköllesee (Tyrol, Austria) during the ice-free period. Journal of Limnology 58: 117-126 PDF

Posch T, Šimek K, Vrba J, Pernthaler J, Nedoma J, Sattler B, Sonntag B, Psenner R (1999)
Predator-induced changes of bacterial size-structure and productivity studied on an experimental microbial community. Aquatic Microbial Ecology 18: 235-246 PDF

Pfister G, Sonntag B, Posch T (1999)
Comparison of a direct live count and an improved quantitative protargol stain (QPS) in determining abundance and cell volumes of pelagic freshwater protozoa. Aquatic Microbial Ecology 18: 95-103 PDF

Popular scientific contributions

Unseen worlds: microscopic lake plankton fuel food chains and befriend algae, Scientia, PDF

Hochalpiner Sonnenschutz, Zukunft Forschung 01/10: 14-15 PDF

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Unseen worlds: microscopic lake plankton fuel food chains and befriend algae

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