Fimbria-associated proteins of Bacteroides loescheii PK1295 mediate intergeneric coaggregations
نویسندگان
چکیده
منابع مشابه
Coaggregation of oral Bacteroides species with other bacteria: central role in coaggregation bridges and competitions.
Seventy-three freshly isolated oral strains representing 10 Bacteroides spp. were tested for their ability to coaggregate with other oral gram-negative and gram-positive bacteria. None coaggregated with any of the gram-negative strains tested, which included Capnocytophaga gingivalis, C. ochracea, C. sputigena, and Actinobacillus actinomycetemcomitans. Strains of Bacteroides buccae, B. melanino...
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Streptococcus mutans has been implicated as the major causative agent of human dental caries. S. mutans binds to saliva-coated tooth surfaces, and previous studies suggested that fimbriae may play a role in the initial bacterial adherence to salivary components. The objectives of this study were to establish the ability of an S. mutans fimbria preparation to bind to saliva-coated surfaces and d...
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Prevotella loescheii PK1295 can grow on native hemoglobin as a source of heme. Supernatants of P. loescheii cultures hemolysed human erythrocytes and degraded native hemoglobin. These combined activities may provide heme (or iron) for the growth of P. loescheii and other dental plaque bacteria.
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Escherichia coli is the major causative agent of human cystitis. In this study, a preliminary molecular analysis carried out by PCR (polymerase chain reaction) demonstrated that 100% of 31 E. coli strains isolated from patients with recurrent UTIs (urinary tract infections) showed the presence of the curli fimbria gene (csgA). Curli fimbria is known to be associated with bacterial biofilm forma...
متن کاملPneumocephalus associated with Bacteroides fragilis meningitis.
Gas within the intracranial cavity (pneumocephalus) commonly results from trauma or after surgery and rarely from infection by gas-forming organisms. The presence of pneumocephalus in the absence of injury or surgery should raise the suspicion of anaerobic infection of the central nervous system. I present a case of pneumocephalus associated with Bacteroides fragilis meningitis where the diagno...
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ژورنال
عنوان ژورنال: Journal of Bacteriology
سال: 1987
ISSN: 0021-9193,1098-5530
DOI: 10.1128/jb.169.9.4215-4222.1987