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Expression of thePasteurella multocida ompHgene is negatively regulated by the Fur protein

Authors
Journal
FEMS Microbiology Letters
0378-1097
Publisher
Oxford University Press
Publication Date
Volume
203
Issue
1
Identifiers
DOI: 10.1016/s0378-1097(01)00329-9
Keywords
  • Furandomphgenes
  • Virulence
  • Catabolite Repression
  • Pasteurella Multocida
Disciplines
  • Biology

Abstract

Abstract The fur gene of Pasteurella multocida has been cloned by complementation of an Escherichia coli fur mutant. The P. multocida fur gene, which encodes a predicted protein of 147 amino acids, displaying the highest identity (89%) with the same protein of Haemophilus influenzae, is negatively regulated by its own product. By construction of a P. multocida fur mutant, it has been demonstrated that the ompH gene, encoding a major structural protein of the outer membrane, presenting high antigenicity power, is negatively regulated by iron and glucose. Furthermore, wild-type and fur-defective cells of P. multocida show the same level of virulence.

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