Hemin uptake system of Yersinia enterocolitica: similarities with other TonB-dependent systems in gram-negative bacteria.
نویسندگان
چکیده
منابع مشابه
Antagonism by gram-negative bacteria to growth of Yersinia enterocolitica in mixed cultures.
The inhibition of the growth of Yersinia enterocolitica by other gram-negative bacteria in mixed cultures at 32 degrees C was not the consequence of a depletion in essential nutrients, an unfavorable change in pH or oxygen tension or the production of toxic metabolic products. The inability of Y. enterocolitica to attain its potential maximum population in mixed cultures appeared instead to res...
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Members of the families Neisseriaceae, Pasteurellaceae and Moraxellaceae are capable of transferrin-iron acquisition in the absence of siderophore production. They do so via expression of a bi-partite receptor composed of two dissimilar proteins, TbpA and TbpB. Both proteins are surface exposed, iron-regulated and capable of binding transferrin. However, other physiochemical, antigenic, and imm...
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Abstract Background and Objective: The excessive use of broad-spectrum antibiotics will lead to drug resistance of microorganism and specially nosocomial organisms. Because of high incidence of antibiotic resistance in hospitals, we aimed to study antibiotic resistance to gram negative bacteria. Material and Methods: This cross-sectional study was conducted on the data of biological sampl...
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A total of 339 Yersinia strains were tested for virulence-associated autoagglutination and hemagglutinin (HA) production. Autoagglutination was frequent among human clinical isolates belonging to Y. enterocolitica serogroups O:3, O:8, and O:9 and among porcine isolates of serogroups O:3 and O:9. Positive autoagglutination results were also observed in serogroups O:1 and O:2, associated with out...
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P rotein export systems are present in all living organisms, including gram-negative bacteria and the eukaryotic organelles that derived from them (Table 1). In contrast to other organisms, however, gram-negative bacteria contain numerous, apparently independent systems for exporting proteins, including at least eight types that mediate export across or insertion into the inner cytoplasmic memb...
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ژورنال
عنوان ژورنال: The EMBO Journal
سال: 1992
ISSN: 0261-4189
DOI: 10.1002/j.1460-2075.1992.tb05535.x