Cloning and Expression of the Moraxella catarrhalis Lactoferrin Receptor Genes
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چکیده
منابع مشابه
Cloning and expression of the Moraxella catarrhalis lactoferrin receptor genes.
The lactoferrin receptor genes from two strains of Moraxella catarrhalis have been cloned and sequenced. The lfr genes are arranged as lbpB followed by lbpA, a gene arrangement found in lactoferrin and transferrin receptor operons from several bacterial species. In addition, a third open reading frame, orf3, is located one nucleotide downstream of lbpA. The deduced lactoferrin binding protein A...
متن کاملCharacterization of Moraxella (Branhamella) catarrhalis lbpB, lbpA, and lactoferrin receptor orf3 isogenic mutants.
Pathogenic members of the family Neisseriaceae produce specific receptors to acquire iron from their host's lactoferrin and transferrin. Recently, putative Moraxella catarrhalis lactoferrin receptor genes and a third open reading frame (lbpB, lbpA, and orf3) were cloned and sequenced. We describe the preliminary characterization of isogenic mutants deficient in LbpB, LbpA, or Orf3 protein.
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متن کاملMolecular cloning and characterization of outer membrane protein E of Moraxella (Branhamella) catarrhalis.
Outer membrane protein E (OMP E) is a 50-kDa protein of Moraxella (Branhamella) catarrhalis. It is a potential vaccine antigen because it is expressed on the surface of the bacterium and has antigenic determinants which are conserved among most strains of M. catarrhalis. To clone the gene encoding OMP E, an EMBL-3 genomic library of strain 25240 was screened with a family of degenerate oligonuc...
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ژورنال
عنوان ژورنال: Infection and Immunity
سال: 1998
ISSN: 0019-9567,1098-5522
DOI: 10.1128/iai.66.8.3656-3665.1998