Canadian journal of infectious diseases and medical microbiology. Jan 23, 2020 of the tested raoultella strains, thirteen 12. This organism is a very rare human pathogen as only 29 cases of raoultella planticolarelated infections have been reported until 2017, with only 7 cases in the united states. Raoultella ornithinolytica is not well known as a clinical pathogen. Pdf clinical characteristics of raoultella ornithinolytica.
A rare case of raoultella planticola urinary tract. We sequenced the genome of raoultella ornithinolytica strain marseillep1025 that caused a rare case of prosthetic joint infection in a 67yearold. We report a case of central catheter line exit site wound infection in a 15monthold baby girl who was admitted electively for closure of ileostomy and incisional hernia repair. Fat necrosis and polymicrobial wound infection caused. Emerging role of raoultella ornithinolytica in human. These bacteria are commonly found in the natural environment. The members of this species are gramnegative, encapsulated, nonmotile rods with the general characteristics of the familyenterobacteriaceae and of the genusklebsiella. Raoultella ornithinolytica formerly klebsiella ornithinolytica is a gramnegative aerobic bacillus in the family enterobacteriaceae. Nov 11, 2017 raoultella planticola is a gramnegative, aerobic, rod bacterium commonly found in the environment, particularly in water, soil, and fish. However, human infections caused by bacteria of the genus raoultella are infrequent, and spontaneously occurring bacteremia cases have not been reported. Emerging role of raoultella ornithinolytica in human infections. Raoultellaornithinolytica presentations on authorstream. Raoultella planticola is a gramnegative, aerobic, nonmotile mostly found in. A rare case of raoultella planticola urinary tract infection in a.
Fat necrosis and polymicrobial wound infection caused partly. This species has been related to histamineproducing bacteria causing subsequent fish poisoning 51. A retrospective study of cases of infection caused by r. Metabolic engineering of raoultella ornithinolytica bf60. Raoultella ornithinolytica is increasingly being isolated as a causative organism in human infections. Syddansk universitet raoultella ornithinolytica diagnosed. Raoultella ornithinolytica is a rare pathogen in human infection and bacteremic cases had been scarcely reported. Enteric feverlike syndrome caused by raoultella ornithinolytica. Raoultella planticola is a gramnegative, aerobic, nonmotile mostly found in environments with high prevalence in soil and water.
An atypical case of raoultella planticola urinary tract. Enteric feverlike syndrome caused by raoultella ornithinolytica klebsiella ornithinolytica. For further comprehension of the rare infection, we summarized clinical characteristics of 6 cases that were detected at our medical facility and 5 cases from previous literature. Raoultella ornithinolytica is known to inhabit aquatic environments. I present a 64yearold woman affected by a frontal brain abscess that was surgically treated, from which raoultella ornithinolytica r. Here we report the case of a patient who developed urinary tract infection. International journal of systematic and evolutionary microbiology 51. Raoultella ornithinolytica is a gramnegative, oxidasenegative, aerobic, encapsulated, nonmotile rod, belonging to the enterobacteriaceae family 1, 2. This differs from the descriptions of patients reported to be infected with raoultella ornithinolytica 3,5,711, though in a case report concerning a 21dayold boy, the patient was healthy. Raoultella planticola is a gramnegative bacterium of the genus raoultella.
Raoultella planticola bacteremiainduced fatal septic shock. According to our knowledge, through the available data, we think that this study represented the first record of the occurrence of the r. Samples were screened for presence of raoultella spp. The pathogen has been described in association with diabetic foot infections, biliary infections, bacteraemia and native and prosthetic joint infections. This case report describes an ent infection caused by r. Diabetic foot infection caused by raoultella ornithinolytica. The patient, after 1 year, is doing well, except for her right eye that had already lost its visual power before surgery.
Jul 25, 2016 raoultella ornithinolytica formerly klebsiella ornithinolytica is a gramnegative bacillus that belongs to the enterobacteriaceae family. Urinary tract infection with rare pathogen raoultella. Clinical and microbiological study of a series of 4 oncologic patients. Aeromonas infection in critically ill burn patients. Trivedis biofield treatment onantimicrobial sensitivity, minimum inhibitory concentration mic, biochemical study, and biotype number of multidrug resistant strain of r. Raoultella are gramnegative, aerobic, encapsulated, nonmotile bacilli. Neonatal sepsis caused by raoultella ornithinolytica in a calf. Identification of raoultella terrigena as a rare causative. Raoultella ornithinolytica is an opportunistic pathogen of the enterobacteriaceae family and has been implicated in nosocomial infections in recent years.
Emergence of raoultella ornithinolytica producing ampc beta lactamases in the different clinical specimens intidhaar n. Strain marseillep1025 was also able to infect, multiply within, and kill acanthamoaeba castellanii amoebae. The reliability of the chromosomal bla gene, journal of microbiological methods on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Keywords 2,5furandicarboxylicacid,5hydroxymethylfurfural, raoultella ornithinolytica bf60,metabolicengineering,wholecellbiocatalyst a. Pdf emerging role of raoultella ornithinolytica in human. Carbapenemase genes were embedded in isoforms of tn 4401 and were plasmidic and chromosomal in. Raoultella ornithinolytica, an encapsulated gramnegative bacterium, is a member of the enterobacteriaceae family. A 63yearoldman was admitted to our hospital with severe subungual abscess. Open epub for a rare case of raoultella planticola. Phylogenetic analyses of klebsiella species delineate. Pdf emergence of colistin resistance gene mcr8 and its.
Pdf raoultella ornithinolytica is a gramnegative aerobic bacillus reclassified in the new genus from the klebsiella. Antibiotic susceptibility patterns were remarkable for resistance to piperacillintazobactam with mic 644 mcgml. It could have cryptogenic origin in 10%35% of cases. Fat necrosis and wound infection following breast reduction surgery or other plastic surgeries caused by this. Raoultella planticola is a gramnegative bacillus closely related to the genus klebsiella, under which it was formerly classified. Pdf raoultella ornithinolytica causing fatal sepsis. Raoultella planticola is a gramnegative, nonmotile, anaerobic bacterium of the genus raoultella most commonly found in water, soil, and aquatic environments1 originally classified as a member of the genus klebsiella, it was reclassified as raoultella spp. Only 3 cases of urinary tract infection secondary to r planticola have been reported, 1. Raoultella ornithinolytica is an uncommon human pathogen, with only ten cases having been previously reported. Clinical characteristics of raoultella ornithinolytica bacteremia article pdf available in infection 431 november 2014 with 2,8 reads how we measure reads. We described the first case in the literature of isolated external otitis sustained by raoultella ornithinolytica in an immunocompetent host. Raoultella ornithinolytica, a rare microorganism found in aquatic environments, is not a common cause of human infection. Raoultella ornithinolytica pneumonia and pleural effusion were observed in 24% of cases cases of osteomyelitis, meningitis, and cerebral abscess are reported for the first time.
It is very rare but should be dealt with atten tion. Phylogenetic analyses of klebsiella species delineate klebsiella and raoultella gen. Emergence of raoultella ornithinolytica producing ampc. Raoultella ornithinolytica is a pathogen with potent virulence. Dec 15, 2015 raoultella ornithinolytica, a rare microorganism found in aquatic environments, is not a common cause of human infection. Raoultella planticolaassociated cholangitis and sepsis. Raoultella ornithinolytica may have fatal outcome in patients with severe comorbidities. The clinical features and outcomes of human infections caused by r. Two strains of raoultella planticola and one of raoultella ornithinolytica showing carbapenem resistance were recovered from patients hospitalized in new jersey and ohio. Raoultella ornithinolytica is a bacterium belonging to the family enterobacteriacae.
Resistant raoultella ornithinolytica bacteremia in a patient with. Raoultella ornithinolytica pneumonia and pleural effusion were observed in 24% of. Clinical characteristics of raoultella ornithinolytica. It is a rare but emergent cause of human pathologies especially in immunocompromised patients. Pdf raoultella ornithinolytica bacteremia in cancer patients. Raoultella ornithinolytica is a gramnegative encapsulated aerobic bacillus belonging to family enterobacteriaceae that is found in aquatic environments, fish, and insects. All patients had received previous antimicrobial treatment, including carbapenems.
A total of 720 clinical samples were collected from three main hospitals in hilla city babylon province, iraq. Abid department of pathological analysis,college of science, thiqar university, thi qar, iraq abstract the incidence of ampc. Raoultella ornithinolytica formerly klebsiella ornithinolytica is a gramnegative bacillus that belongs to the enterobacteriaceae family. Genomic analysis of a raoultella ornithinolytica strain causing.
A urinary tract infection uti is the most frequent complication. This organism can be misdiagnosed as klebsiella pneumoniae or klebsiella oxytoca, and its expression of. Klebsiella ornithinolytica treatment answers on healthtap. Members of the genera klebsiella and raoultella have properties similar to other enterobacteriaceae with some distinctive features see key points. Communityacquired infection to raoultella ornithinolytica. Consequently, infection with this microorganism causes redness and flushing on the skin. The incidence of this genus has been underestimated, given that. Formerly known as klebsiella ornithinolytica, the bacterium was reclassified as raoultella based on new genetic approaches. It consists of species raoultella electrica, raoultella ornithinolytica, raoultella planticola and raoultella terrigena.
Both lower urinary tract and pelvic floor function can be efficiently evaluated by a urodynamic study us, 1 but it is an invasive procedure that involves urethral catheterization. Isolation and characterization of raoultella ornithinolytica. This report provides a starting point for further metabolic engineering aimed at a process for industrial production offdcausingr. It was first described in the 1980s as klebsiella planticola and klebsiella trevisanii. Raoultella planticola, a central venous line exit site. The aim of the study was to indicate the reliable method for raoultella spp. Molecular identification by 16s rrna sequencing suggested that the isolate is r. This organism has been found to cause a variety of infections, such as necrotizing fasciitis, cystitis, cholecystitis, pancreatitis, hepatic disease, and soft tissue infections. The reservoir of raoultella is the gastrointestinal tract and upper respiratory tract. Raoultella ornithinolytica and raoultella planticola are histamineproducing bacteria that are usually found in fish and water. Klebsiella pneumoniae can usually be treated with antibiotics. Raoultella ornithinolytica is an encapsulated gramnegative aerobic bacillus belonging to the enterobacteriaceae family. The present case report describes catheterrelated blood stream infection caused by r. First report of neonatal earlyonset sepsis caused by multi.
Bacteria were isolated from pus samples, and an inconsistent identification was shown by vitek 2 system and malditof mass spectrometry as raoultella planticola and raoultella terrigena, respectively. A case of urinary tract infection caused by raoultella. There are some strains of this bacteria that are resistant to almost all antibiotics. Raoultella planticola is a gram negative, aerobic, nonmotile bacilli primarily considered to be environmental bacteria.
Ent infection caused by raoultella ornithinolytica singh m, kaur i. Download fulltext pdf download fulltext pdf raoultella ornithinolytica. Raoultella ornithinolytica was previously classified as a klebsiella specie, but in 2001, the genus raoultella was created to include this germ along with klebsiella planticola and. If you had a culture done that grew this organism, then the lab should have also done sensitivities. Genomic analysis of a raoultella ornithinolytica strain. This is a first report of early onset neonatal sepsis caused by multidrugresistant r. A rare human infection of raoultella ornithinolytica in a. Raoultella ornithinolytica causing fatal sepsis the. A rare case of raoultella planticola urinary tract infection. An unusual pathogen for prosthetic joint infection article pdf available in idcases july 2016 with 50 reads. The incidence of this genus has been underestimated, given that detecting it is really difficult. Four cases of raoultella planticola conjunctivitis eye. In this paper, we report the successful treatment of the first case of prosthetic joint infection. Pdf enteric feverlike syndrome caused by raoultella.
Raoultella ornithinolytica in urinary tract infections. Pdf clinical characteristics of raoultella ornithinolytica bacteremia. Catheterrelated blood stream infection caused by raoultella. The prevalence of raoultella ornithinolytica may be an underreported, emerging hospitalacquired infec. Ent infection caused by raoultella ornithinolytica singh m.
The name raoultella is proposed as a genus name for species of cluster ii which contained klebsiella ornithinolytica, klebsiella planticola, and klebsiella terrigena, organisms characterized by growth at 10. Here, we present a case of enteric feverlike syndrome and bacteremia caused by r. This bacterium, along with the closely related species r. Download pdf introduction raoultella planticola is a gramnegative, nonmotile, oxidasenegative, catalasepositive, capsulated, facultative anaerobic rod in the family enterobacteriacae.
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