Characterization of a periplasmic protein involved in iron utilization of Actinobacillus actinomycetemcomitans.

Autor: Willemsen PT; Department of Oral Microbiology, Academic Centre for Dentistry Amsterdam, The Netherlands. PTJ.Willemsen.omb.acta@med.vu.nl, Vulto I, Boxem M, de Graaff J
Jazyk: angličtina
Zdroj: Journal of bacteriology [J Bacteriol] 1997 Aug; Vol. 179 (15), pp. 4949-52.
DOI: 10.1128/jb.179.15.4949-4952.1997
Abstrakt: The periodontopathic bacterium Actinobacillus actinomycetemcomitans possesses a 35-kDa periplasmic iron-repressible protein. Its regulation is mediated by the Fur protein, as was inferred from the Fur-binding consensus sequence at the -35 position of the gene for the 35-kDa protein and from the relaxed expression of the gene in a mutant with an altered Fur-binding sequence. The 35-kDa protein, designated AfuA, has strong homology to HitA and FbpA of Haemophilus influenzae and Neisseria meningitidis, respectively, which serve as periplasmic iron transport proteins.
Databáze: MEDLINE