Christian Leitner
Dipl.-Ing. Dr.nat.techn. Christian Leitner
Status left BOKU
Career
- 2005 Univ. Assistant, Dept. of Food science and Technology, Boku
- 2004 - 2005 Post-Doc, Reseach Centre Wood, Division Wood and Pulp Chemistry, Linz
- 2002 - 2004 Post-Doc, "Stabilisatiopn of pyranose oxidase", FWF -project P15719-B07
- 2001 - 2002 Post-Doc, Institute of Foodtechnology, Boku
- 2001 Graduation, Dr. rer. nat., Boku
- 1996 Graduation, Dipl. Ing., Boku
Projects
0 Projects found.
Publications
Knowledge Transfer to Society
Media
Lectures
(2014) Cross-species comparison of recombinant protein secretion in CHO cells and Pichia pastoris
Autoren: Landes, Nils; Maccani, Andreas; Leitner, Christian; Maurer, Michael; Graf, Alexandra; Valli, Minoska; Gruber, Clemens; Modarres, Gerda; Altmann, Friedrich; Gasser, Brigitte; Ernst, Wolfgang; Kunert, Renate; Mattanovich, Diethard
ECB16 2014
(2014) Cross-species comparison of recombinant protein secretion in CHO cells and Pichia pastoris
Autoren: Landes, Nils; Maccani, Andreas; Leitner, Christian; Maurer, Michael; Gasser, Brigitte; Ernst, Wolfgang; Kunert, Renate; Mattanovich, Diethard
CHOgenome Workshop 2014
(2013) Cross-species comparison of recombinant protein secretion in CHO cells and Pichia pastoris
Autoren: Landes, N; Maccani, A; Leitner, C; Maurer, M; Gasser, B; Ernst, W; Kunert, R; Mattanovich, D.
7th Conference on Recombinant Protein Production RPP7 2013
(2013) Transcriptome study of high and low producing recombinant Chinese hamster ovary cell lines
Autoren: Maccani, A., Tatto, N., Graf, A., Leitner, C., Mattanovich, D., Kunert, R., Ernst, W.
7th Conference on Recombinant Protein Production RPP7 2013
(2011) Comparison of CHO host cell lines CHO-DUKX-B11 and CHO-DG44
Autoren: Urszula Puc Christian Leitner Renate Kunert
3rd ÖGMBT Annual Meeting 2011
(2010) Cloning, Expression and Characterisation of a new Galactose Oxidase from Fusarium oxysporum
Autoren: Paukner, R; Wührer, P; Durigon, E; Leitner, C
OxyZymes & 9th International Meeting on Peroxidases 2010
(2009) Charcterisation of different pyranose oxidases
Autoren: Vasiljevic, V., Paukner, R., Pisanelli, I., Leitner, C., Spadiut, O., Tan, T.-C., Divne, C., Haltrich, D.
Carbohydrate Bioengineering Meeting 2009
(2009) A thermostable variant of pyranose 2-oxidase - an attractive biocatalytic tool for food industry
Autoren: Spadiut, O., Leitner, C., Peterbauer, C. K., Tan T.-C., Divne, C., Varga, B., Vertessy, B., Haltrich, D.
8th International Conference on Protein Stabilisation ProStab 2009
(2009) Galactose oxidase: screening, expression and purification of a C6 oxidizing enzyme
Autoren: Paukner, R., Wührer, P., Durigon, E., Haltrich, D., Leitner, C.
13. Österreichischer Kohlenhydratworkshop 2009
(2008) Sweet Biocatalysis – biokatalytische Verfahren für funktionelle Oligosaccharide
Autoren: Haltrich, D. Leitner, C., Kneifel, W.
Hydrokolloide VI 2008
(2008) Improving the Activity of Pyranose 2-oxidase via Site Directed Mutagenesis of the Active Site Loop
Autoren: Brugger, D. Spadiut, O. Divne, C. Leitner, C.
Protein Design and Evolution for Biocatalysis 2008
(2008) Modification of pyranose 2-oxidase from Trametes multicolor in terms of substrate specificity
Autoren: Salaheddin, C., Spadiut, O., Leitner, C., Peterbauer, C. K., Divne, C., Haltrich, D.
2nd annual workshop of COST Action 928 Food Bioprocessing 2008 - Control and exploitation of enzymes for added-value products
(2008) Genetic engineering of the carbohydrate oxidase pyranose 2-oxidase from Trametes multicolor
Autoren: Spadiut, O., Leitner C., and Haltrich, D.
12. Österreichischer Kohlenhydrat-Workshop 2008
(2008) Improving pyranose 2-oxidase from Trametes multicolor for biocatalytic applications by genetic engineering
Autoren: Spadiut, O., Divne, C., Haltrich, D.
Protein Design and Evolution for Biocatalysis 2008
(2008) Reparation of Lactose free Galactose-oligosaccharides
Autoren: Gugler, J. Maischberger, T. Zehetner, R. Leitner, C Rastall, RA. Haltrich, D.
First European Food Congress EFFoST 2008 - Food Production - Nutrition - Healthy Consumers
(2008) Modification of Pyranose 2-Oxidase from Trametes multicolor in terms of substrate specificity
Autoren: C. Salaheddin, O. Spadiut, C. Leitner, C. K. Peterbauer, C. Divne & D. Haltrich
2nd annual workshop of COST Action 928 Food Bioprocessing 2008 - Control and exploitation of enzymes for added-value products
(2008) Improvement of temperature stability and modification of substrate specificity of pyranose 2-oxidases from Trametes multicolor
Autoren: Salaheddin, C., Spadiut, O., Leitner, C., Peterbauer, C.L., Divne, C., Haltrich, D.
16th International Symposium on Flavins and Flavoproteins 2008
(2008) Preparation of lactose free galacto-oligosaccharides
Autoren: Gugler, J. Maischberger, T. Zehetner, R. Leitner, C. Rastall, RA. Haltrich, D
First European Food Congress EFFoST 2008 - Food Production - Nutrition - Healthy Consumers
(2007) Biocatalytic production of lactobionic acid from lactose using fungal oxidoreductases
Autoren: Peterbauer, C., Ludwig, R., Leitner, C., Zamocky, M., Kulbe, K.D., and Haltrich, D.
IDF International Symposium 2007 - Lactose and Its Derivatives
(2007) Improvement of the temperature stability of pyranose oxidase from Trametes multicolor
Autoren: Clara Salaheddin-Nassr, Oliver Spadiut, Christina Divne, Dietmar Haltrich, Christian Leitner
1st Annual workshop Enzymes - Tools for tailored food processing 2007
(2007) Improvement of the temperature stability of Pyranose 2-oxidase through site directed mutagenesis
Autoren: Christian Leitner
International Conference on Enzyme Technology Relatenz 2007
(2007) Cloning of Pyranose 2-oxidase from Trametes multicolor in E. coli
Autoren: Christian Leitner
Dept. of Biochemistry, Faculty of Science, Mahidol University
(2007) Rational protein design: mutations of Thr169 affect substrate specificity of T. multicolor pyranose oxidase
Autoren: Spadiut, O., Leitner, C., Haltrich, D., and Divne, C.
Carbohydrate Bioengineering Meeting 2007
(2007) Impact of new microbial enzymes and improved biocatalytic design on the biotechnological production of carbohydrate-based food ingredients
Autoren: Klaus Dieter Kulbe, Barbara Splechtna, Thu-Ha Nguyen, Christian Leitner, Roland Ludwig, Clemens Peterbauer and Dietmar Haltrich
13th European Congress on Biotechnology 2007
(2007) Properties of pyranose dehydrogenase purified from Agaricus xanthoderma
Autoren: Magdalena Kujawa, Jindrich Volc, Petr Halada, Petr Sedmera, Christina Divne, Christoph Sygmund, Christian Leitner, Clemens Peterbauer and Dietmar Haltrich
13th European Congress on Biotechnology 2007
(2007) Improving thermostability and catalytic activity of pyranose 2-oxidase from Trametes multicolor by semi-rational and rational protein design
Autoren: Spadiut, O. Leitner, C. Haltrich, D. Divne, C.
2007 Annual Chemistry Department Symposium on Graduate Research
(2007) Heterologous expression and characterization of two new pyranose 2-oxidases from Trametes sp.
Autoren: Regina Paukner, Vanja Vasiljevic, Ines Pisanelli, Dietmar Haltrich and Christian Leitner
1st Annual workshop Enzymes - Tools for tailored food processing 2007
(2006) Preparation of high-value compounds from xylan: synthesis and derivatization of xylooligomers
Autoren: Abad-Romero, B., Leitner, C., Rosenau, T., Potthast, A., Kosma, P., Haltrich, D., Sixta, H.
9th European Workshop on Lignocellulosics and Pulp EWLP 2006
(2006) Continuous oxido-reductive isomerization of aldoses: Reaction engineering and process development
Autoren: Leitner C. Haltrich D.
Multistep Enzyme Catalysed Processes, 2006
(2006) Different strategies for the recombinant production of the tetrameric enzyme pyranose oxidase
Autoren: Christian Leitner Stefan Ertl Jindrich Volc Dietmar Haltrich Roland Ludwig
Institute of Microbiology ASCR, 10th International Symposium on the Genetics of Industrial Microorganisms
(2006) Pyranose oxidase — structure, improvement and application for the production of the prebiotic sugar tagatose
Autoren: Haltrich, D., Leitner, C., Ludwig, R., Peterbauer, C., Hallberg, M., Divne, C., Halada, P., Volc, J.
10th Symposium on Genetics of Industrial Microorganisms
(2006) Continuous oxido-reductive isomerization of aldoses: Reaction engineering and process development
Autoren: Leitner C. Haltrich D.
Multistep Enzyme Catalysed Processes, 2006
(2006) A multi-step oxidoreductase-catalysed process for L-ascorbic acid production
Autoren: Nasufi, L., Leitner, C., Zámocky, M., Haltrich, D., Kulbe, K.D.
Multistep Enzyme Catalysed Processes, 2006
(2006) Improvement of the temperature stability of pyranose oxidase from Trametes multicolor
Autoren: Clara Salaheddin-Nassr Johannes Zöchlinger Magdalena Kujawa Christina Divne Dietmar Haltrich Christian Leitner
Protein Design and Evolution for Biocatalysis 2006
(2006) Convenient oxido-reductive isomerization of aldoses for the production of prebiotic food ingredients
Autoren: C. Leitner K. D. Kulbe J. Volc D. Haltrich
3rd International Conference Biocatalysis in the Food and Drinks Industries 2006
(2006) Convenient oxido-reductive isomerization of aldoses for the production of prebiotic food ingredients
Autoren: Leitner, C., Kulbe, K.D., Volc, J., Haltrich, D.
3rd International Conference Biocatalysis in the Food and Drinks Industries 2006
(2006) Different strategies for the recombinant production of the tetrameric enzyme pyranose oxidase
Autoren: Leitner, C., Ertl, S., Volc, J., Haltrich, D., Ludwig, R.
Institute of Microbiology ASCR, 10th International Symposium on the Genetics of Industrial Microorganisms
(2006) Pyranose Oxidase — Structure, Molecular Modifications and Applicatin in Food Biotechnology
Autoren: Peterbauer, C., Leitner, C., Ludwig, R., Hallberg, M., Divne, C., Halada, P., Volc, J., Haltrich, D.
Cost Action 928 Joint Workgroup Meeting
(2005) Pyranose oxidase from Trametes multicolor - application in biocatalysis.
Autoren: M. Kujawa, C. Leitner, P. Halada, J.Volc, B.M. Hallberg, C. Divne, C.K. Peterbauer, D. Haltrich
12th Eur. Conference on Biotechnology (ECB12)
(2005) Regeneration of fungal oxidoreductases used for carbohydrate conversion by a laccase / redox mediator system.
Autoren: Ludwig, R., Leitner, C., Kulbe, K. D. and Haltrich, D.
Instituto di Chimica del Riconoscimento Molecolare (ICRM)
(2005) Sequential application of oxidoreductases with different cofactor specificty for conversion of renewable carbohydrates to food and feed ingrdients
Autoren: Leitner, C., Kulbe, K.D., Volc, J., Ludwig, R., Haltrich, D.
18th Enzyme Engineering Conference 2005
(2004) Use of renewable carbohydrate sources for the enzymatic synthesis of food and feed ingredients.Abstr. 1
Autoren: K.D. Kulbe, C. Leitner, R. Ludwig, C. Peterbauer, M. Zamocky, J. Volc and D. Haltrich
1. Minisymposium für Nachwachsende Rohstoffe und Erneuerbare Energien 2004
(2004) Cloning and heterologous expression of a gene encoding pyranose oxidase from the white-rot fungus Trametes multicolor. Abstr. VIII p-1
Autoren: Leitner C., Hoang L., Halada P., Volc J., Kulbe K.D., Haltrich D., Peterbauer C.K.
7th European Conference on Fungal Genetics ECFG 7 2004
(2004) Cloning and heterologues expression of a gene encoding pyranose oxidase from the white-rot fungus Trametes multicolor. Abstr. VIII p-1.
Autoren: Leitner C., Hoang L., Halada P., Volc J., Kulbe K.D., Haltrich D., Peterbauer C.K.,
7th European Conference on Fungal Genetics ECFG 7 2004
(2004) Pyranose oxidase from the white-rot fungus Trametes multicolor - cloning, expression, structure, biocatalysis. Abstr. P4
Autoren: Leitner C., Halada P., Volc J., Divne C., Kulbe K.D., Haltrich D., Peterbauer C.K.
1st Workshop on Enzyme Technology and Biocatalysis, 2004
(2004) Cloning and heterologous expression of a gene encoding pyranose oxidase from the white-rot fungus Tramtes multicolor. p 28
Autoren: Leitner C., Halada P., Volc J., Divne C., Kulbe K.D., Haltrich D., Peterbauer C.K.
2nd European meeting
(2003) Mass spectrometric and NMR contribution to characterization of fungal pyranose oxidase and its enzyme reaction products.
Autoren: P. Halada, C. Leitner, P. Sedmera, V. Prikrylova, D. Haltrich and J. Volc
Presented at 5. Igler MS-Tage
(2003) Novel enzymatic processes for the pruduction of the prebiotic Ketose D-tagatose.
Autoren: D.Haltrich, B. Felber, M.Kujawa, C. Leitner and K.D. Kulbe
8 th Asean Food Conference
(2003) Pyranose dehydrogenase, a novel quinone-dependent sugar oxidoreductase of lignocellulose-degrading litter fungi.
Autoren: C. Leitner, P. Halada, D. Haltrich, E. Kubatová , M. Kujawa, C. Peterbauer, P. Sedmera, J. Volc
225th National Spring Meeting of the American Chemical Society ACS 2003
(2003) Shortcuts to mushrooms: NMR and MS analyses of fungal pyranose oxidase
Autoren: P. Halada, P. Sedmera, C. Leitner, K. Bezouska, D. Haltrich and J. Volc
Presented at the 2nd Meeting of Czech and Slovak Structural Biologists
(2002) Cellobiose dehydrogenase from Sclerotium rolfsii, purification and characterisation of an extracellular flavocytochrome.
Autoren: R. Ludwig, U. Baminger, M. Zamocky, C. Leitner, K. D. Kulbe, and D. Haltrich
14th International Symposium on Flavins and Flavoproteins 2002
(2002) Characterization of covalent flavinylation site in pyranose 2-oxidase.
Autoren: P. Halada, P. Sedmera, C. Leitner, D. Haltrich, and J. Volc
20th Informal Meeting on Mass Spectrometry 2002
(2000) Purification and characterization of pyranose oxidase from Trametes multicolor.
Autoren: C. Leitner, J. Volc, K. D. Kulbe and D. Haltrich
Poster presented at the international conference „Application of Biotechnology in Agriculture and Food Production“
(1999) The use of MALDI-MS to design oligonucleotide hybridization probes for cloning cDNA encoding pyranose oxidase from Trametes multicolor.
Autoren: P. Halada, C. Leitner, J. Volc and D. Haltrich
Poster presented at „3. Igler MS-Tage“
(1996) Novel pyranose 2-oxidase from basidiomycetes: Screening and characterization of the enzyme from Trametes multicolor.
Autoren: D. Haltrich, C. Leitner, B. Nidetzky and K.D. Kulbe
Poster presented at the 8th International IUMS Congress