Curriculum vitae

  • Since 2018 Group Leader Exopolysaccharides at the Technical University of Munich, Chair of Chemistry of Biogenic Raw Materials
  • 2016: Straubing Science Award from Hochschulstadt Straubing e.V. in the category “Doctorate”
  • 2015: PhD on the topic: “Development of a Modular High Throughput Screening Platform for Microbial Exopolysaccharide Producers” at the Chair of Chemistry of Biogenic Resources
  • Rühmann B (2016): Development of a Modular High Throughput Screening Platform for Microbial Exopolysaccharide Producers. PhD thesis, In: Sieber V (ed.): Technical University of Munich, Renewable Resources in Research and Practice. Volume: 22 Verlag Attenkofer, Straubing. ISBN: 978-3-942742-68-9
  • 2014-2018: Research assistant at the Technical University of Munich, Chair of Chemistry of Biogenic Resources
  • 2009-2014: PhD student at the Technical University of Munich, Chair of Chemistry of Biogenic Resources
  • 2005 - 2009: Development Engineer Biotechnology Evonik Degussa GmbH
  • 2007: Prize of the Förderkreis of the Weihenstephan University of Applied Sciences
  • 2005: Diploma thesis - Evonik Degussa GmbH; investigation of potential exopolysaccharide-forming microorganisms and analysis of the polysaccharides they produce
  • 2003 - 2004: Practical semester - Bio-Rad Laboratories GmbH; Improvement of the HPLC analysis of carbohydrate-deficient transferrin (CDT) and increase of the stability of the separation column
  • 2000 - 2005: Studied biotechnology at Weihenstephan University of Applied Sciences; degree: Dipl. Ing. (FH)

  • 1997 - 2000: Training as a dairy laboratory technician; Danisco Cultor Niebüll GmbH starter culture manufacturer; honored by the Federal Minister of Food, Agriculture and Forestry as the best in his year in the vocational training program “Dairy Laboratory Technician”

    Research

  • Development of a modular high-throughput screening platform for exopolysaccharides
  • Identification, fermentation and structural elucidation of new exopolysaccharides
  • UHPLC-MS / GC-MS method development

Publikationen:

  • Schulze, C., et al., Investigation of exopolysaccharide formation and its impact on anaerobic succinate production with Vibrio natriegens. Microbial Biotechnology, 2023. n/a(n/a) DOI: https://doi.org/10.1111/1751-7915.14277.
  • Schilling, C., et al., CRISPR-Cas9 driven structural elucidation of the heteroexopolysaccharides from Paenibacillus polymyxa DSM 365. Carbohydrate Polymers, 2023. 312: p. 120763 DOI: https://doi.org/10.1016/j.carbpol.2023.120763.
  • Sinzinger, K., et al., Towards a cyanobacterial biorefinery: Carbohydrate fingerprint, biocomposition and enzymatic hydrolysis of Nostoc biomass. Algal Research, 2022. 65: p. 102744 DOI: https://doi.org/10.1016/j.algal.2022.102744.
  • Schilling, C., et al., Structural elucidation of the fucose containing polysaccharide of Paenibacillus polymyxa DSM 365. Carbohydrate Polymers, 2022. 278: p. 118951 DOI: https://doi.org/10.1016/j.carbpol.2021.118951.
  • Rath, T., et al., Systematic optimization of exopolysaccharide production by Gluconacetobacter sp. and use of (crude) glycerol as carbon source. Carbohydrate Polymers, 2022. 276: p. 118769 DOI: https://doi.org/10.1016/j.carbpol.2021.118769.
  • Medina-Cabrera, E.V., et al., Rheological characterization of Porphyridium sordidum and Porphyridium purpureum exopolysaccharides. Carbohydrate Polymers, 2021. 253: p. 117237 DOI: https://doi.org/10.1016/j.carbpol.2020.117237.
  • Medina-Cabrera, E.V., et al., Optimization of growth and EPS production in two Porphyridum strains. Bioresource Technology Reports, 2020. 11: p. 100486 DOI: https://doi.org/10.1016/j.biteb.2020.100486.
  • Medina-Cabrera, E.V., Characterization and comparison of Porphyridium sordidum and Porphyridium purpureum concerning growth characteristics and polysaccharide production. Algal research, 2020. v. 49: p. 2020 v.49 DOI: 10.1016/j.algal.2020.101931.
  • Shelat, K.J., et al., Overall Nutritional and Sensory Profile of Different Species of Australian Wattle Seeds (Acacia spp.): Potential Food Sources in the Arid Semi-Arid Regions. Foods, 2019. 8(10) DOI: 10.3390/foods8100482.
  • Ortiz-Tena, J. G.; Rühmann, B. und Sieber, V. (2018): Colorimetric Determination of Sulfate via an Enzyme Cascade for High-Throughput Detection of Sulfatase Activity. In: Anal Chem, Vol. 90, 4, S. 2526-2533.
  • Schmid, J.; Rühmann, B.; Sieber, V.; Romero-Jimenez, L.; Sanjuan, J. und Perez-Mendoza, D. (2018): Screening of c-di-GMP-Regulated Exopolysaccharides in Host Interacting Bacteria. In: Methods Mol Biol, Vol. 1734, S. 263-275.
  • Rütering, Marius; Cress, Brady F.; Schilling, Martin; Rühmann, Broder; Koffas, Mattheos A. G.; Sieber, Volker und Schmid, Jochen (2017): Tailor-made exopolysaccharides—CRISPR-Cas9 mediated genome editing in Paenibacillus polymyxa. In: Synthetic Biology, Vol. 2, 1, S.
  • Koenig, Steven; Rühmann, Broder; Sieber, Volker und Schmid, Jochen (2017): Quantitative assay of β-(1,3)–β-(1,6)–glucans from fermentation broth using aniline blue. In: Carbohydrate Polymers, Vol. 174, S. 57-64.
  • Ortiz-Tena, Jose G.; Rühmann, Broder; Schieder, Doris und Sieber, Volker (2016): Revealing the diversity of algal monosaccharides: Fast carbohydrate fingerprinting of microalgae using crude biomass and showcasing sugar distribution in Chlorella vulgaris by biomass fractionation. In: Algal Research, Vol. 17, S. 227-235.
  • Rütering M, Schmid J, Rühmann B, Schilling M, Sieber V (2016) Controlled production of polysaccharides – exploiting nutrient supply for levan and heteropolysaccharide formation in Paenibacillus sp.. Carbohydrate Polymers (in press).
  • Rühmann B, Schmid J, Sieber V (2016) Automated Modular High Throughput Exopolysaccharide Screening Platform Coupled with Highly Sensitive Carbohydrate Fingerprint Analysis. J Vis Exp, 110(e53249). doi:10.3791/53249
  • Rühmann, B., Schmid, J., and Sieber, V. (2015) Methods to identify the unexplored diversity of microbial exopolysaccharides, Frontiers in Microbiology 6, doi: 10.3389/fmicb.2015.00565
  • Rühmann B. , Schmid J. , Sieber V. (2015) High throughput exopolysaccharide screening platform: From strain cultivation to monosaccharide composition and carbohydrate fingerprinting in one day, doi:10.1016/j.carbpol.2014.12.021
  • Rühmann, B., Schmid, J., Sieber, V. (2014). Fast carbohydrate analysis via liquid chromatography coupled with ultra violet and electrospray ionization ion trap detection (LC-UV-ESI-MS/MS) in 96-well format, J. Chromatogr. A 1350:44-50. doi:10.1016/j.chroma.2014.05.014
  • Schmid J, Koenig S, Rühmann B, Rütering M, Sieber V (2014) Biosynthese und Genomik mikrobieller Polysaccharide. Biospektrum 20 (3):288-290. doi:10.1007/s12268-014-0443-0
  • Pick, A., Rühmann, B., Schmid, J., Sieber, V. (2012) Novel CAD-like enzymes from Escherichia coli K-12 as additional tools in chemical production, Appl.Microbiol. Biotechnol DOI: 10.1007/s00253-012-4474-5
  • Jan-Karl Guterl, Daniel Garbe, Jörg Carsten, Fabian Steffler, Bettina Sommer, Steven Reiße, Anja Philipp, Martina Haack, Broder Rühmann, Ulrich Kettling, Thomas Brück & Volker Sieber (2012) Cell-free metabolic engineering – Production of chemicals via minimized reaction cascades ChemSusChem, DOI: 10.1002/cssc.20120036

Patente:

  • Volker Sieber, André Pick, Broder Rühmann (2011) Synthetic enzymatic pathway for the production of chemicals with reduced number of functional groups EP11159592.2
  • Volker Sieber, Katrin Grammann, Broder Rühmann, Thomas Haas (2010) Method for producing multicyclical ring systems carrying amino groups. WO 2010089171
  • Volker Sieber, Johannes Kaiser, Broder Rühmann et al. (2007). Manufacture of isoprenoids with microorganisms expressing plant genes for enzymes of isoprenoid biosynthesis, Evonik Degussa GmbH, Germany WO 2009030654
  • Volker Sieber, Astrid Jäger, Broder Rühmann (2007) Fermentation of biopolymers with lower acyl group content using microorganisms with increased acylase activity, Evonik Degussa GmbH, Germany DE 102007041861