• Engineering of multivalent protein glycosylation in E. coli, FWF Erwin-Schrödinger Fellowship J 4230; PI: Markus B. Tomek (2019-2021)
• Pyruvylation of bacterial cell wall polymers – an evolutionary conserved protein cell surface display mechanism Grant of the Hochschuljubiläumsfonds der Stadt Wien; PI: Fiona F. Hager-Mair (2019-2020)
• Cell wall and amino sugar metabolism of Tannerella forsythia FWF grant I 2875-B22; PI (FWF): Christina Schäffer; PI (DFG): Christoph Mayer (2017-2020)
• Molecular interaction basis of pyruvylated secondary cell wall polymers FWF grant P27374-B22: PI: Christina Schäffer (corresponding PI), Paul Kosma (2015-2019)
• Glycobiology of the oral bacterium Selenomonas sputigena FWF grant P26836-B22 ; PI: Christina Schäffer (2014-2019)
• Enzyme engineering of an α2,6-sialyltransferase from Helicobacter acinonychis for the sialylation of therapeutic proteins FWF Erwin Schrödinger Fellowship J3834; PI: Bettina Janesch (2016-2019)
• Investigation of a conserved fucosyltransferase in Bacteroidetes FWF Doctoral Programme W1224; PI: Christina Schäffer (2016-2018)
• Profiling of a general O-glycosylation system of Tannerella forsythia and linking glycosylation to pathogenicity FWF grant P24317-B22 ; PI: Christina Schäffer (2012-2017)
• Structure and immunogenicity of the lipopolysaccharide of the oral bacterium Selenomonas sputigena Grant of the Hochschuljubiläumsfonds der Stadt Wien; PI: Cornelia B. Rath (2016-2017)
• S-layer glycosylation for Tannerella forsythia biofilm formation FWF grant M 1492; PI: Andrea Koerdt (2012-2016)
• S-layer mediated display of customized glycans enabled by glycosylation engineering FWF grant P21954-B22; PI: Christina Schäffer (2011-2015)
• Glycobiology of Tannerella forsythia for drug development FWF grant P20605-B20; PI: Christina Schäffer (2008-2013)
• S-layer glycosylation engineering for nanobiotechnology FWF grant P19047-B20; PI: Christina Schäffer (2008-2010)
• Bacterial cell surface display of humanized oligosaccharides Nestlè Research Grant; PI: Christina Schäffer (2002-2006)
• Lipid-activated sugars as reference substances for the characterization of biosynthesis intermediates of the S-layer glycan from Geobacillus stearothermophilus NRS 2004/3a Grant by the Hochschuljubiläumsfonds der Stadt Wien H-148/2001; PI: Christina Schäffer (2002)
• Characterization of S-layer glycosylation in Bacillus stearothermophilus NRS 2004/3a Grant by the Hochschuljubiläumsstiftung der Stadt Wien H-96/200; PI: Christina Schäffer (2001)
• Construction of an S-layer neoglycoprotein containing the capsular polysaccharide of Haemophilus influenzae Type b Grant by the Bundesministerium für Wissenschaft und Verkehr, Österreich; PI: Christina Schäffer (1998)
• Characterization of enzymes and precursors in the biosynthesis of the S-layer glycan from Bacillus thermoaerophilus DSM 10155 Grant by the Hochschuljubiläumsfonds der Stadt Wien H-00109/97; PI: Christina Schäffer (1998)
• Conceptuation of an experimental S-layer vaccine against Haemophilus influenzae Type b Grant by the Wirtschaftskammer der Stadt Wien; PI: Christina Schäffer (1998)