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Applied and Environmental Microbiology, February 1999, p. 862-864, Vol. 65, No. 2
0099-2240/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.

Exopolysaccharide-Producing Bacteria from Sugar Beets

Antti H. Tallgren,1 Ulla Airaksinen,1 Robert von Weissenberg,2 Heikki Ojamo,2 Juhani Kuusisto,3 and Matti Leisola1,*

Department of Chemical Technology, FIN-02015 Helsinki University of Technology, Helsinki,1 and Cultor Ltd. Technology Center2 and Finnsugar,3 FIN-02460 Kantvik, Finland

Received 9 July 1998/Accepted 19 November 1998

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% were heteropolysaccharides. The yield of heteropolysaccharides from sucrose was lower than that of dextrans. Five isolates, which were chosen for closer study, were identified as Leuconostoc mesenteroides (two species), Rahnella aquatilis (two species), and Enterobacter amnigenus.


* Corresponding author. Mailing address: Helsinki University of Technology, Department of Chemical Technology, Laboratory of Bioprocess Engineering, P.O. Box 6100, FIN-02015 HUT, Helsinki, Finland. Phone: (358) 9-4512546. Fax: (358) 9-462373. E-mail: mleisola{at}cc.hut.fi.


Applied and Environmental Microbiology, February 1999, p. 862-864, Vol. 65, No. 2
0099-2240/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.



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