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Osmotic regulation of beta(1-2) glucan synthesis in members of the family Rhizobiaceae.

Authors
  • A Zorreguieta
  • S Cavaignac
  • R A Geremia
  • R A Ugalde
Publication Date
Aug 01, 1990
Source
PMC
Keywords
License
Unknown

Abstract

High osmolarity in the culture medium of growing Agrobacterium tumefaciens strongly inhibited the accumulation of cellular beta(1-2) glucan. However, the enzymatic system required for the synthesis of this polysaccharide from UDP-glucose was not repressed by high osmolarity. Mutants of A. tumefaciens and Rhizobium meliloti affected in beta(1-2) glucan synthesis were unable to grow normally in low-osmolarity media.

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