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Applied Microbiology and Biotechnology

, Volume 68, Issue 2, pp 163–173 | Cite as

Curdlan and other bacterial (1→3)-β-d-glucans

  • M. McIntosh
  • B. A. Stone
  • V. A. Stanisich
Mini-Review

Abstract

Three structural classes of (1→3)-β-d-glucans are encountered in some important soil-dwelling, plant-associated or human pathogenic bacteria. Linear (1→3)-β-glucans and side-chain-branched (1→3,1→2)-β-glucans are major constituents of capsular materials, with roles in bacterial aggregation, virulence and carbohydrate storage. Cyclic (1→3,1→6)-β-glucans are predominantly periplasmic, serving in osmotic adaptation. Curdlan, the linear (1→3)-β-glucan from Agrobacterium, has unique rheological and thermal gelling properties, with applications in the food industry and other sectors. This review includes information on the structure, properties and molecular genetics of the bacterial (1→3)-β-glucans, together with an overview of the physiology and biotechnology of curdlan production and applications of this biopolymer and its derivatives.

Keywords

Glucan Bacterial Cellulose Agrobacterium Triple Helix Alcaligenes Faecalis 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

We thank Ann Matthysse for critically reading the manuscript. Work in the laboratories of B.A.S. and V.A.S. was supported, in part, by Australian Research Council Grants (AO 9925079, LX 0211339). M.M. was the recipient of an Australian Postgraduate Award.

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© Springer-Verlag 2005

Authors and Affiliations

  1. 1.Department of BiochemistryLa Trobe UniversityBundooraAustralia
  2. 2.Department of MicrobiologyLa Trobe UniversityBundooraAustralia
  3. 3.Lehrstuhl für GenetikUniversität Bielefeld33501 BielefeldGermany

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