Proteus mirabilis is a member of the Enterobacteriaceae family and is a highly motile bacterium. Phone: (202) 737-3600, Copyright © 2020 American Society for Microbiology | Privacy Policy | Website feedback, Print ISSN: 0095-1137; Online ISSN: 1098-660X, Cardiff School of Biosciences, Cardiff University, Cardiff, United Kingdom, Sign In to Email Alerts with your Email Address. [2] These include adherence due to the presence of fimbriae or afimbrial adhesins, invasiveness, swarming phenomenon, hemolytic activity, urea hydrolysis, proteolysis, and endotoxicity. These were then resuspended to an optical density at 600 nm of 1.0 in SE buffer (75 mM NaCl, 25 mM EDTA). Wiping from back to front after a bowel movement allows fecal matter to make contact with the urethral opening. Proteus mirabilis is a bacterium normally found in the gastrointestinal tract. Despite the clinical significance of these infections and the occurrence of outbreaks in hospitals and nursing homes, previous studies have not examined the molecular epidemiology of catheter-associated P. mirabilis infections. [2] P. penneri has a distinguishing susceptibility profile, based on the production of the chromosomally induced β-lactamase HugA. The particular groups on the oligosaccharides found to play a dominant role in the specificity of P. penneri LPS are the amide of D-galacturonic acid with L-lysine α-D-GalA-(L-Lys) (and the amide of D-galacturonic acid with L-threonine α-D-GalA- [L-Thr]), respectively. Dies trifft auch auf die Bakterien zu: Die Länge und Funktion der Zellen von Proteus-Arten ist variabel; es können sogenannte „Schwärmzellen“ gebildet werden, die das „Schwärm-Phänomen“ verursachen. [23] Production of IgA proteolytic enzymes has also been reported in P. While the presence of some bacteria in the urine is normal, more than 100,000 colony-forming units per mL of urine is indicative of urinary tract infection, according to the American Academy of Family Physicians. 1 and 2). Do these stones harbor the P. mirabilis strain that colonizes successive catheters? Lanes M, molecular size markers.
Profile and prognosis of febrile elderly patients with bacteremic urinary tract infection. 3 and 4). The bacteremic group had a higher mortality rate (p=0.016). 2). Relevant sizes of bands are indicated in kilobases. Comparison of PFGE typing and Dienes testing.Strain typing by PFGE is time-consuming and requires special equipment. Proteus mirabilis is a member of the Enterobacteriaceae family and is a highly motile bacterium. The isolates NP22, -38, and -56, for example, which were from river water from France, a catheter biofilm, and sewage from South Wales, respectively, were designated the same strain by Dienes but were clearly distinct by PFGE (Table 3). Bacteraemia due to tribe Proteeae: a review of 132 cases during a decade (1991-2000). The other 23 isolates were grouped into 12 ribotypes, 13 Dienes types, and 14 PFGE types. | Community-acquired infection (p=0.017), hydronephrosis (p=0.017), band neutrophils accounting for >10% of the white blood cell count (p=0.001), hyperthermia or hypothermia (p=0.047), and a serum C-reactive protein concentration >100mg/L (p=0.002) were identified as independent risk factors for P. mirabilis bacteremic UTI.
Clinical presentation and laboratory data were analyzed to determine the risk factors and markers of P. mirabilis bacteremic UTI. Similar to other Proteus species, P. penneri is resistant to tetracyclines and nitrofurantoin. Bacteriuria is inevitably associated with the encrustation, so retention and vesico-ureteral reflux can induce ascending infection culminating in episodes of pyelonephritis, septicemia, and shock (9). Chin BS, Kim MS, Han SH, Shin SY, Choi HK, Chae YT, Jin SJ, Baek JH, Choi JY, Song YG, Kim CO, Kim JM.
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