نتایج جستجو برای: prevotella
تعداد نتایج: 1918 فیلتر نتایج به سال:
When PrevoteUa ruminicola 23 was grown in a defined medium containing a vitamin mixture, significant amounts of propionate were formed. Succinate and acetate were the major fermentation acids produced when vitamins were omitted, and further experiments demonstrated that propionate formation was dependent on vitamin B12. When the organism was grown in continuous culture at dilution rates of less...
When undergoing chemotherapy, it is easy for patients to develop an intraoral disorder as an adverse event. If intraoral disorder worsens, we cannot but stop chemotherapy. In this situation, oral bacteria are often detected in the blood. The goal of perioperative oral function management (POMF) during chemotherapy is to allow chemotherapy to proceed smoothly while maintaining the intraoral envi...
The gram-negative, anaerobic bacterium Prevotella intermedia plays an important role in the progression of periodontitis, whereas the etiological role of the closely related but phenotypically indistinguishable species Prevotella nigrescens is controversial. To differentiate between these species properly, 16S rDNA/RNA directed, computer-optimized oligonucleotides were designed and tested with ...
It was recently proposed that the genus Bacteroides should be restricted to Bacteroides fragilis (the type species) and closely related organisms (viz., B. caccae, B. distasonis, B. eggerthii, B. merdae, B. ovatus, B. stercoris, B. thetaiotaomicron, B. uniformis, and B. vulgatus). By contrast, the moderately saccharolytic, predominantly oral Bacteroides species, which include B. melaninogenicus...
In view of recent understanding of the association of periodontal infections and adverse pregnancy outcomes, the present investigation was undertaken to study the periodontal infections among 390 asymptomatic pregnant women and to find an association of bacterial etiologies with the disease. Prevalence of gingivitis was 38% and clinical periodontitis was 10% among the study population. Subgingi...
The gut microbiota of patients recently diagnosed with rheumatoid arthritis is enriched in microbes belonging to the Prevotella genus.
Diet strongly affects human health, partly by modulating gut microbiome composition. We used diet inventories and 16S rDNA sequencing to characterize fecal samples from 98 individuals. Fecal communities clustered into enterotypes distinguished primarily by levels of Bacteroides and Prevotella. Enterotypes were strongly associated with long-term diets, particularly protein and animal fat (Bacter...
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