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. 1994 Aug;176(16):4890–4898. doi: 10.1128/jb.176.16.4890-4898.1994

New osmoregulated beta(1-3),beta(1-6) glucosyltransferase(s) in Azospirillum brasilense.

S G Altabe 1, N Iñón de Iannino 1, D de Mendoza 1, R A Ugalde 1
PMCID: PMC196324  PMID: 8051002

Abstract

A linear beta(1-3),beta(1-6) glucan was detected in the periplasm of Azospirillum brasilense cells growing in a medium of low osmotic strength. This glucan was produced in vitro by purified bacterial inner membranes with UDP-glucose as the sugar donor in the presence of Mg2+. Growth in a high-osmotic-strength medium strongly reduced the amount of this glucan accumulated in the periplasmic space, and the inhibition was associated with a reduction in the enzymatic activity of the beta(1-3),beta(1-6) glucosyltransferase(s).

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Selected References

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