نتایج جستجو برای: fusobacterium
تعداد نتایج: 1897 فیلتر نتایج به سال:
The phylogenetic interrelationships of 14 members of the genus Fusobacterium were investigated by performing a comparative analysis of the 16S rRNA sequences of these organisms. The sequence data revealed considerable intrageneric heterogeneity. The four species Fusobacterium nucleatum (including F. nucleatum subsp. nucleatum, F. nucleatum subsp. polymorphum, "F. nucleatum subsp. fusiforme," an...
Nine strains of a novel Fusobacterium sp. were isolated from the stomach of 6-8 months old and adult pigs. The isolates were obligately anaerobic, although they endured 2h exposure to air. Phylogenetic analysis based on 16S rRNA and gyrase B genes demonstrated that the isolates showed high sequence similarity with Fusobacterium mortiferum, Fusobacterium ulcerans, Fusobacterium varium, Fusobacte...
Recently, bacterial infection causing periodontal disease has attracted considerable attention as a risk factor for pancreatic cancer. Fusobacterium species is an oral bacterial group of the human microbiome. Some evidence suggests that Fusobacterium species promote colorectal cancer development; however, no previous studies have reported the association between Fusobacterium species and pancre...
The human gut microbiota is increasingly recognized as a player in colorectal cancer (CRC). While particular imbalances in the gut microbiota have been linked to colorectal adenomas and cancer, no specific bacterium has been identified as a risk factor. Recent studies have reported a high abundance of Fusobacterium in CRC subjects compared to normal subjects, but this observation has not been r...
Mixed infections with three Fusobacterium species and seven other bacterial species were studied in a subcutaneous abscess model in mice. Fifteen Fusobacterium isolates (eight F. nucleatum, four F. necrophorum, and three F. varium) and one isolate each of Bacteroides fragilis, B. asaccharolyticus, Staphylococcus aureus, Group A beta-haemolytic streptococcus, Escherichia coli, Klebsiella pneumon...
background: fusobacterium necrophorum as a non-spore-forming gram-negative anaerobic bacillus is an important human and animal pathogen. it may cause severe systemic infections (lemierre's syndrome) and some other infections. the aim of this study was to subtype fusobacterium necrophorum by using pcr methods. materials and methods: twenty five strains of fusobacterium necrophorum subspecies fun...
Bacteremia due to Fusobacterium spp. is unusual (<10% of cases of anaerobic bacteremia), and the isolation of Fusobacterium varium is especially uncommon. The most probable sources of Fusobacterium bacteremia are the respiratory, the gastrointestinal, and the genitourinary tracts. A.-M. Bourgault et al. (Clin. Infect. Dis. 25[Suppl. 2]:181-183) described 40 patients with Fusobacterium bacteremi...
Fusobacterium nucleatum is a gram-negative anaerobe that is prevalent in periodontal disease and infections of different parts of the body. The organism has remarkable adherence properties, binding to partners ranging from eukaryotic and prokaryotic cells to extracellular macromolecules. Understanding its adherence is important for understanding the pathogenesis of F. nucleatum. In this study, ...
Spondylodiscitis caused by Fusobacterium species is rare. Most cases of spontaneous spondylodiscitis are caused by Staphylococcus aureus and most postoperative cases are caused by Staphylococcus aureus or coagulase-negative staphylococci. Escherichia coli is the most common Gram-negative organism causing spondylodiscitis. Fusobacterium species are unusual causes for anaerobic spondylodiscitis. ...
The genus Fusobacterium was proposed by Knorr (1922) for the pointed, nonsporulating, gram-negative, anaerobic bacilli found in the oral cavity. On the basis of morphology, three species were named, Fusobacterium nucleatum, Fusobacterium polymorphum, and Fusobacterium plauti-vincentii. Similarly, Hine and Berry (1937) described three species, based primarily on morphological and cultural charac...
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