Raoultella ornithinolytica pneumonia and pleural effusion were observed in 24%. Emerging role of raoultella ornithinolytica in human. Carbapenem resistance is unusual in raoultella spp. Physical examination revealed an erythematous fluctuant swelling which was incised and drained. Communityacquired infection to raoultella ornithinolytica.
Scombroid food poisoning is a foodborne illness from eating spoiled fish. If you had a culture done that grew this organism, then the lab should have also done sensitivities. Pronunciation of raoultella ornithinolytica in english. Raoultella ornithinolytica is a gramnegative encapsulated aerobic bacillus belonging to family enterobacteriaceae that is found in aquatic environments, fish. Human infection with raoultella ornithinolytica is rare, with only ten cases having been reported previously. We present the case of 68yearold woman with a fiveday history of inability to move right hand. It is an extremely rare causative organism of infections in humans. Introduction members of the raoultella genus were formerly considered to be klebsiella species until they were differentiated based on phylogenetic deoxyribonucleic acid dna analysis.
A retrospective study of cases of infection caused by r. Antibiotic resistance of raouitella ornithinolytica. Will you have raoultella ornithinolytica infection with. High production of 2,3butanediol 2,3bd by raoultella.
While every effort is made to ensure the accuracy of this information, please check current reference material prior. Isolation of a rare bacterium, raoultella klebsiella ornithinolytica, after cholecystectomy. This bacterium, along with the closely related species r. In this study, a high production of 2,3bd in fedbatch fermentation was investigated with a newly isolated bacterium designated as raoultella ornithinolytica b6. Ndm1producing strains, family enterobacteriaceae, in. It is a short, straight rod occurring singly, in pairs, and in short chains. There is no raoultella ornithinolytica infection reported by people with urinary tract infection yet. Clinical characteristics of raoultella ornithinolytica. Catheterrelated blood stream infection caused by raoultella. This species has been related to histamineproducing bacteria causing subsequent fish poisoning 5. This new genus included the three species, raoultella planticola, raoultella ornithinolytica, and raoultella terrigena 1. We report on a newborn with urinary tract infection caused by raoultella ornithinolytica.
An unusual pathogen for prosthetic joint infection. A rare case of a newborn with urinary tract infection by. Formerly known as klebsiella ornithinolytica, the bacterium was reclassified as raoultella based on new genetic approaches. Raoultella ornithinolytica is a gramnegative encapsulated aerobic bacillus belonging to family enterobacteriaceae that is found in aquatic environments, fish, and insects. Klebsiella pneumoniae can usually be treated with antibiotics.
Raoultella ornithinolytica is not well known as a clinical pathogen. Pdf raoultella ornithinolytica formerly klebsiella ornithinolytica is a gram negative aerobic bacillus in the family enterobacteriaceae. International journal of systematic and evolutionary microbiology 51, 925932. We describe the first paediatric case of blandm1 raoultella ornitholytica bacteraemia in a preterm neonate that developed three days after hospitalisation. Genetic and rare diseases information center gard po box 8126, gaithersburg, md 208988126 tollfree. Molecular identification by 16s rrna sequencing suggested that the isolate is r. Its role in the pathogenesis of human infections has recently been recognized. Answers from specialists on klebsiella ornithinolytica treatment. This was performed 5 months later which revealed an inflamed gallbladder. A case of raoultella planticola causing a urinary tract. Klebsiella ornithinolytica treatment answers on healthtap. Clinical examination and ultrasound scan were consistent with gallstones and acute cholecystitis. Genomic analysis of a raoultella ornithinolytica strain causing.
Comparison of different methods for identification of. These data support the division of the genus klebsiella into two genera. Although the majority can recover with adequate antibiotic therapy, some cases have a fatal outcome. Raoultella ornithinolytica was initially described as klebsiella ornithinolytica. Raoultella planticola is a gramnegative aerobic bacillus commonly found in water, plant and soil. What is raoultella ornithinolytica, a bacteria on a lab. The genus raoultella belongs to the family of enterobacteriaceae.
Raoultella ornithinolytica is a rare pathogen in human infection and bacteremic cases had been scarcely reported. Raoultella ornithinolytica enterobacteriaceae are aquatic bacteria in a new proposed genus that was originally classified as klebsiella. The other shared bacteria belong to lineages that include insectassociated and extremophilic taxa. Pdf raoultella ornithinolytica bacteremia in cancer patients. Emerging role of raoultella ornithinolytica in human infections. In this paper, we report the successful treatment of the first case of prosthetic joint infection. Rearrange individual pages or entire files in the desired order. Our case is the second newborn case of human infection by r. Raoultella ornithinolytica this microbe was formerly considered part of the klebsiella group 47. Out of these, 11 isolates were identified as raoultella ornithinolytica, which represent 7. Pdf raoultella ornithinolytica is a gramnegative aerobic bacillus reclassified in the new genus from the klebsiella species based on new. It is named after the french bacteriologist didier raoult.
The clinical outcome was favorable after a twostage prosthetic exchange and a sixmonth course of antimicrobial therapy. Learn about the study conducted by mahendra trivedi and research team, to check the antimicrobial susceptibility pattern of multidrugresistant raoultella ornithinolytica. A rare human infection of raoultella ornithinolytica in a. Raoultella ornithinolytica is a gramnegative aerobic bacillus reclassified in the new genus from the klebsiella species based on new genetic approaches. Strain marseillep1025 was also able to infect, multiply within, and kill acanthamoaeba castellanii amoebae. The present study aimed to evaluate the impact of mr. In particular, resistance to three classes of antibiotics that are commonly used to treat.
If you have problems viewing pdf files, download the latest version of adobe reader. Recently, to clarify the prevalence of bla ndm1 in enterobacteriaceae strains, we carried out retrospective surveillance for bla ndm1 among carbapenemresistant enterobacterial strains isolated from patients at the chinese pla general hospital in. Raoultella ornithinolytica formerly klebsiella ornithinolytica is a gramnegative aerobic bacillus in the family. First report of neonatal bacteraemia caused by blandm1. Raoultella ornithinolytica formerly klebsiella ornithinolytica is a gramnegative bacillus that belongs to the enterobacteriaceae family. The species raoultella ornithinolytica was originally described and validly published by drancourt et al. Raoultella planticola is a gramnegative bacterium of the genus raoultella.
Raoultella ornithinolytica bacteremia in cancer patients. Biological production of 2,3butandiol 2,3bd has received great attention as an alternative to the petroleumbased 2,3bd production. Home tools pronunciation show description search and listen to pronunciations. The clinical features and outcomes of human infections caused by r. Raoultella ornithinolyitca is a gram negative, nonmotile, encapsulated, aerobic bacillus formerly named klebsiella ornithinolytica. The present case is the first newborn patient with urinary tract infection and only the third newborn found infected with. Fatal raoultella ornithinolytica sepsis and purpura. For language access assistance, contact the ncats public information officer.
A total of 144 bacterial isolates were recovered and identified as klebsiellalike organisms. Antimicrobial susceptibility of raoultella ornithinolytica. Raoultella ornithinolytica is known to inhabit aquatic environments. Recently, clinical reports involving raoultella have increased, probably through the introduction of massspectrometry in clinical microbiology laboratories and the development of accurate molecular. A rare case of cholecystitis caused by raoultella planticola. Raoultella ornithinolytica is indicated in a number of clinical problems including an enteric feverlike syndrome. Urinary tract infection with rare pathogen raoultella. We isolated raoultella planticola from a river water sample, which was phenotypically indistinguishable from escherichia coli on mi agar. A rare human infection of raoultella ornithinolytica in a diabetic foot. The new genus remained relatively uncommon, although, r. Dear editor, raoultella ornithinolytica, an encapsulated gramnegative bacterium, is a member of the enterobacteriaceae family. Are you studying a language or simply interested in the pronunciation of some words.
We study people who have raoultella ornithinolytica infection and urinary tract infection from food and drug administration fda. This species is ornithine decarboxylase positive, able to grow at 10 degrees celsius and uses sorbose as a carbon source. It was previously named as klebsiella planticola and klebsiella trevisanii. Raoultella ornithinolytica is a gramnegative aerobic bacterium belonging to. Raoultella ornitholytica, an environmental organism, has only recently been reported as a cause of infections in humans, and is associated mainly with bacteraemia in elderly patients. It is often missed because it resembles an allergic reaction gram stain. This differs from the descriptions of patients reported to be infected with raoultella ornithinolytica3,5,711, though in a case report concerning a 21dayold boy, the patient was healthy. She received 3 days of intravenous coamoxiclav and was discharged with 5days of oral antibiotics with arrangements to return for an elective cholecystectomy.
Pdf enteric feverlike syndrome caused by raoultella. Raoultella ornithinolytica is a gram negative aerobic bacillus belonging in the family enterobacteriaceae that is a known but extremely rare pathogen which causes infections in humans. Raoultella ornithinolytica and raoultella planticola are histamineproducing bacteria that are usually found in fish and water. Raoultella ornithinolytica ro is an encapsulated, gram negative, nonmotile aerobic rob which was reclassified from klepsiella genus belonging in the family of enterobacteriaceae. Raoultella ornithinolytica formerly klebsiella ornithinolytica is a gramnegative aerobic bacillus in the family enterobacteriaceae. A species of gram negative, rod shaped bacteria assigned to the phylum proteobacteria. Identification of raoultella terrigena as a rare causative. The genus raoultella is composed of gramnegative, oxidasenegative, aerobic, nonmotile, capsulated, facultatively anaerobic rods formerly designated klebsiella in the family enterobacteriaceae.
Raoultella ornithinolytica isolation in cloacal microbiota of tinamus. Trivedis biofield treatment onantimicrobial sensitivity, minimum inhibitory concentration mic, biochemical study, and biotype number of multidrug resistant strain of r. Carbapenemaseproducing enterobacteriaceae from wastewater disseminated in the environment thomas wittum jiyoung lee. Enteric feverlike syndrome caused by raoultella ornithinolytica. There are some strains of this bacteria that are resistant to almost all antibiotics. A 62yearold female presented with right upper quadrant pain.
Raoultella planticola is primarily an environmental bacteria found in water and soil and is known as a rare cause of infections in humans 1, 2. The presence of raoultella ornithinolytica and an unknown enterobacteriaceae was in contrast to a set of noncycad. However, human infections caused by bacteria of the genus raoultella. Phylogenetic analyses of klebsiella species delineate klebsiella and raoultella gen. Raoultella ornithinolytica is a gramnegative encapsulated aerobic bacillus belonging to family enterobacteriaceae. Resistant raoultella ornithinolytica bacteremia by mario. This genus can be distinguished from the genus klebsiella, in that genus use histamine as the only source of carbon in the medium. Few cases have been reported of this organism affecting humans. 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.
Consequently, infection with this microorganism causes redness and flushing on the skin. Select your target language in the dropdown list, enter your search term in the textbox and search. The genus raoultella was excised from klebsiella in 2001, but difficulties in its identification may have led to an underestimation of its incidence and uncertainty on its pathogenic role. Abstract we herein report the first case of a prosthetic joint infection caused by raoultella ornithinolytica in an immunocompetent patient. Pdf raoultella ornithinolytica causing fatal sepsis. What is raoultella ornithinolytica, a bacteria on a lab result for a culture and sensitivity for a urine specimen.
305 497 1518 1278 1171 274 1175 424 696 273 1387 1135 1045 1540 754 1379 200 187 1165 799 220 1224 1082 81 459 213 1158 830 1384 344 1422 5 79 1479 1082 953 320 53 327 398 907 601