2009 – now Post Doc; Institute for Limnology of the Austrian Academy of Sciences, Mondsee, Austria

2006 - 2009 PhD student and Guest Researcher; Max Planck Institute for Plant Breeding Research, Cologne ,Germany

2004 - 2005 Diploma student and Student/Graduate Assistant; Institute for Animal Evolution and Ecology, University of Münster, Germany

2009 PhD in Genetics; University of Cologne, Germany

2005 Diplom (~MSc) in Biology; University of Münster, Germany

Research interests: Evolutionary biology, ecology and molecular genetics

Current topics:

• Sex-Asex: Mendelian inheritance of obligate parthenogenesis and phenotypic effects of the underlying allele (Brachionus calyciflorus)
• Genome size evolution (Brachionus plicatilis)

Former topics:

• (MPF1- and) MPF2-like MADS-box genes, their cis-regulatory regions and the evolution of the Inflated Calyx Syndrome (Solanaceae)
• Host-parasite interactions (Caenorhabditis elegans, Bacillus thuringiensis)

Tian Y., Khan M.R., Zhang J., Li. Z., Riss S., He C. (submitted): Diversification of MPF2-like proteins

Scheuerl S., Riss S., Stelzer C.P. (in press): Phenotypic effects of an allele causing obligate parthenogenesis in a rotifer. Journal of Heredity

Stelzer C.P.*, Riss S.*, Stadler P. (2011): Genome size evolution at the speciation level: the cryptic species complex Brachionus plicatilis (Rotifera). BMC Evolutionary Biology 11:90 BMC doi:10.1186/1471-2148-11-90
* equal contribution

Stelzer C.P., Schmidt J., Wiedlroither A., Riss S. (2010): Loss of Sexual Reproduction and Dwarfing in a Small Metazoan. PLoS ONE 5(9): e12854. doi: 10.1371/journal.pone.0012854

He C., Tian Y., Saedler R., Efremova N., Riss S., Khan M.R., Yephremov A., Saedler H. (2010): The MADS-domain protein MPF1 of Physalis floridana controls plant architecture, seed development and flowering time. Planta 231(3):767-77. doi: 10.1007/s00425-009-1087-z

Riss S. (2009): Isolation and analysis of MPF2-like MADS-box genes from Physaleae and characterization of their cis-regulatory regions. PhD thesis, University of Cologne. http://kups.ub.uni-koeln.de/volltexte/2009/2865/

Khan M.R., Hu J.Y., Riss S., He C., Saedler H. (2009): MPF2-Like-A MADS-Box Genes Control the Inflated Calyx Syndrome in Withania (Solanaceae): Roles of Darwinian Selection. Molecular Biology and Evolution 26(11): 2463-73. doi: 10.1093/molbev/msp159

Lüttmann K., Anthes N., D’Souza T.G., Riss S., Michiels N.K. (2006): Population size estimate of a reef flat aggregation of Chromodoris annulata (Opisthobranchia, Chromodoridae). Journal of Molluscan Studies 72 (2): 214-216. doi: 10.1093/mollus/eyi065

Riss S. (2005): Analysis of innate immunity in the nematode Caenorhabditis elegans. Diploma thesis, University of Münster

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