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Xylitol Production by Recombinant Saccharomyces Cerevisiae

• Johan Hallborn, Mats Walfridsson, +4 authors Sirkka Keränen
• Bio/Technology
• 1991

We obtained efficient conversion of xylose to xylitol by transforming Saccharomyces cerevisiae with the gene encoding the xylose reductase (XR) of Pichia stipitis CBS 6054. Comparison of the… (More)

The two stage immobilized column reactor with an integrated solvent recovery module for enhanced ABE production.

• Sandip B. Bankar, Shrikant A. Survase, Heikki Ojamo, Tom Granström
• Bioresource technology
• 2013

The production of acetone, butanol, and ethanol (ABE) by fermentation is a process that had been used by industries for decades. Two stage immobilized column reactor system integrated with… (More)

Phytase production by high cell density culture of recombinant Bacillus subtilis

• Antti Vuolanto, Niklas von Weymarn, Janne Kerovuo, Heikki Ojamo, Matti S. A. Leisola
• Biotechnology Letters
• 2004

Bacillus subtilis BD170, harboring a plasmid pGT44[phyC] carrying the phytase gene (phyC) and a phosphate-depletion inducible pst-promoter, was grown in a 2 l bioreactor. Using a controlled feeding… (More)

Thermostabilization of extremophilic Dictyoglomus thermophilum GH11 xylanase by an N-terminal disulfide bridge and the effect of ionic liquid [emim]OAc on the enzymatic performance.

• He Li, Anna Kankaanpää, +4 authors Ossi Turunen
• Enzyme and microbial technology
• 2013

In the present study, an extremophilic GH11 xylanase was stabilized by an engineered N-terminal disulphide bridge. The effect of the stabilization was then tested against high temperatures and in the… (More)

High-yield production of biologically active recombinant protein in shake flask culture by combination of enzyme-based glucose delivery and increased oxygen transfer

• Kaisa Ukkonen, Antti Vasala, Heikki Ojamo, Peter Neubauer
• Microbial cell factories
• 2011

This report describes the combined use of an enzyme-based glucose release system (EnBase®) and high-aeration shake flask (Ultra Yield Flask™). The benefit of this combination is demonstrated by over… (More)

Chemostat study of xylitol production by Candida guilliermondii

• Tom Granström, Heikki Ojamo, Matti S. A. Leisola
• Applied Microbiology and Biotechnology
• 2001

The mechanism of production of xylitol from xylose by Candida guilliermondii was studied using chemostat cultures and enzymatic assays. The maximum dilution rate in aerobic conditions was 0.34 1/h.… (More)

The Current Status and Future Expectations in Industrial Production of Lactic Acid by Lactic Acid Bacteria

• Sanna Taskila, Heikki Ojamo
• 2013

© 2013 Taskila and Ojamo, licensee InTech. This is an open access chapter distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which… (More)

Exopolysaccharide-producing bacteria from sugar beets.

• A H Tallgren, Ulla Airaksinen, von Weissenberg R, Heikki Ojamo, Johanna Kuusisto, Matti S. A. Leisola
• Applied and environmental microbiology
• 1999

Six hundred microorganisms were isolated from sugar beets collected from different parts of Finland to study their slime production. A total of 170 of them produced exopolysaccharides, of which 35%… (More)

Screening of white-rot fungi manganese peroxidases: a comparison between the specific activities of the enzyme from different native producers

• Juho Järvinen, Sanna Taskila, Ritva Isomäki, Heikki Ojamo
• AMB Express
• 2012

In this study manganese peroxidase (MnP) enzymes from selected white-rot fungi were isolated and compared for potential future recombinant production. White-rot fungi were cultivated in small-scale… (More)

Redox balances in recombinant Saccharomyces cerevisiae.

• Bärbel Hahn-Hägerdal, Johan Hallborn, +5 authors Friedrich K. Zimmermann
• Annals of the New York Academy of Sciences
• 1996

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