It typically resides in the environment and human gut and is only noted as an opportunistic pathogen creating clinical infection in compromised individuals. Raoultella planticola is a gramnegative, nonmotile, aerobic, encapsulated, rod bacterium commonly found in the environment, particularly in water, soil, and fish. Raoultella planticola is a gramnegative bacterium of the genus raoultella. Phylogenetic analysis of the 16s rrna and rpob genes shows that raoultella derives from the genus. 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. However, human infections caused by bacteria of the genus raoultella. Trivedi mk, patil s, harish s, gangwar m, jana s 2015 biofield treatment.
Nov 11, 2017 raoultella planticola is a gramnegative, nonmotile, aerobic, encapsulated, rod bacterium commonly found in the environment, particularly in water, soil, and fish. Ornithinolytica raoultella ornithinolytica is belongs to the family of enterobacteriaceae, a gramnegative encapsulated aerobic bacillus associated with bacteremia and urinary tract infections. Metabolic engineering of raoultella ornithinolytica bf60 for. He had sustained a crush injury to his left thumb 10 days earlier in a soiled environment. The natural susceptibility of 221 klebsiella strains to 71 antibiotics was examined. A rare case of softtissue infection caused by raoultella. 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. Ornithinolytica description raoultella ornithinolytica is belongs to the family of enterobacteriaceae, a gramnegative encapsulated aerobic bacillus associated with bacteremia and urinary tract infections. Many klebsiella infections are acquired in the hospital setting or in longterm care facilities. Physical examination revealed an erythematous fluctuant swelling which was incised and drained. The type strain raoultella electrica 1gb dsm 102253t was isolated from anodic biofilms of glucosefed microbial fuel cells. Raoultella species are gramnegative, nonmotile bacilli primarily considered to be environmental bacteria.
Apr 19, 2015 raoultella ornithinolytica was initially described as klebsiella ornithinolytica by sakazaki et al. This species is ornithine decarboxylase positive, able to grow at 10 degrees celsius and uses sorbose as a carbon source. 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. The genome sequence of the gramnegative bacterium raoultella electrica 1gb, which was isolated from an anodic biofilm of a glucosefed microbial fuel cell, was determined. Fat necrosis and polymicrobial wound infection caused partly. This species has been related to histamineproducing bacteria causing subsequent fish poisoning. Raoultella ornithinolytica is an encapsulated gramnegative aerobic bacillus belonging to the enterobacteriaceae family. Pdf clinical characteristics of raoultella ornithinolytica bacteremia. However, 22 strains of hpb from fish first identified as k. Raoultella ornithinolyitca is a gram negative, nonmotile, encapsulated, aerobic bacillus formerly named klebsiella ornithinolytica. 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. 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.
Impact of a tnr program on the size of freeroaming cat colonies around barns and stables. However, human infections caused by bacteria of the genus raoultella are. Answers from specialists on klebsiella ornithinolytica treatment. All patients had received previous antimicrobial treatment, including carbapenems.
Oct 10, 2018 consequently, raoultella ornithinolytica okoh. Klebsiella pneumoniae can usually be treated with antibiotics. The incidence of this genus has been underestimated, given that detecting it is really difficult. Raoultella ornithinolytica, raoultella planticola, raoultella terrigena and raoultella electrica. A rare human infection of raoultella ornithinolytica in a diabetic foot. According to our knowledge, through the available data, we think that this study represented the first record of the occurrence of the r. These bacteria are found in the natural environment. Draft genome sequence of raoultella ornithinolytica p079f. Free fulltext pdf articles from hundreds of disciplines, all in one place catheterrelated blood stream infection caused by raoultella ornithinolytica pdf paperity toggle navigation. The genus raoultella is composed of gramnegative, oxidasenegative, aerobic, nonmotile, capsulated, facultatively anaerobic rods formerly designated klebsiella in the family enterobacteriaceae. How do you get klebsiella ornithinolytica in your urine.
Select your target language in the dropdown list, enter your search term in the textbox and search. An alternative approach to combat multidrugresistant susceptibility pattern of raoultella ornithinolytica. A rare case of raoultella planticola urinary tract. Consequently, infection with this microorganism causes redness and flushing on the skin. Genomic analysis of a raoultella ornithinolytica strain. Emerging role of raoultella ornithinolytica in human infections core.
Raoultella species are gramnegative nonmotile rods belonging to. Comparison of different methods for identification of. Raoultella ornithinolytica wikispecies, free species. As biofield therapy is increasingly popular in biomedical heath care, so present study aimed to evaluate the impact of mr. Fat necrosis and wound infection following breast reduction surgery or other plastic surgeries caused by this.
Raoultella ornithinolytica is a gramnegative encapsulated aerobic bacillus belonging to family enterobacteriaceae that is found in aquatic environments, fish. Antimicrobial susceptibility of raoultella ornithinolytica by. Molecular identification by 16s rrna sequencing suggested that the isolate is r. Home tools pronunciation show description search and listen to pronunciations. A 63yearoldman was admitted to our hospital with severe subungual abscess. Raoultella planticola is a gramnegative aerobic bacillus commonly found in water, plant and soil.
These data support the division of the genus klebsiella into two genera. Interpretation of electrocardiograph is an essential part of cardiovascular diagnosi. Biofield treatment on raoultella ornithinolytica pearltrees. The present case is the first newborn patient with urinary tract infection and only the third newborn found infected with. This genus was named after the french bacteriologist didier raoult and belongs to the enterobacteriaceae family. As biofield therapy is increasingly popular in biomedical heath care, so present study aimed to. In humans, the bacteria are often present in parts of the digestive tract where they do not generally cause problems. While its genomic diversity and prevalence in the preterm neonate gut microbiota are poorly understood, r. Genomic analysis of a raoultella ornithinolytica strain causing. We isolated raoultella planticola from a river water sample, which was phenotypically indistinguishable from escherichia coli on mi agar. A case of raoultella planticola causing a urinary tract. This species has been related to histamineproducing bacteria causing subsequent fish poisoning 5.
These bacteria are found in aquatic environments, fish, and ticks. Comparison of different methods for identification of species. Listen to the pronunciation of names, cities, people, etc. It consists of species raoultella electrica, raoultella ornithinolytica, raoultella planticola and raoultella terrigena. The pathogen has been described in association with diabetic foot infections, biliary infections, bacteraemia and native and prosthetic joint infections. Raoultella ornithinolytica is an encapsulated gramnegative, oxidasenegative, catalasepositive, aerobic, nonmotile rod that belongs to the enterobacteriaceae family. Isolation and characterization of raoultella ornithinolytica.
A rare case of raoultella planticola urinary tract infection. A species of gram negative, rod shaped bacteria assigned to the phylum proteobacteria. In this paper, we report the successful treatment of the first case of prosthetic joint infection. Raoultella ornithinolytica is an encapsulated gramnegative aerobic bacillus belonging to the family enterobacteriaceae. However, the correct identification of raoultella species is very difficult. It was first described in the 1980s as klebsiella planticola and klebsiella trevisanii. Metabolic engineering of raoultella ornithinolytica bf60. The strains were isolated from clinical specimens and the environment, and belonged to k. Raoultella ornithinolytica formerly klebsiella ornithinolytica is a gramnegative aerobic bacillus in the family enterobacteriaceae. Watch related videos and images to immediately know how they look like. High production of 2,3butanediol 2,3bd by raoultella.
Raoultella planticola is a rare cause of human infections. Potential electron transfer and pathogenicity mechanisms were deduced. A rare case of a newborn with urinary tract infection by. Multidrug resistant of raoultella ornithinolytica authorstream. Raoultella is a genus that comprises gramnegative, facultative anaerobic organisms that are oxidase negative and have both fermentative and respiratory types of metabolism.
Klebsiella ornithinolytica treatment answers on healthtap. The genus raoultella was previously designated to the genus klebsiella as cluster ii. Phylogenetic analyses of klebsiella species delineate klebsiella and raoultella gen. Raoultella planticola is an aerobic gramnegative bacillus closely related to bacteria in the genus klebsiella. In the united states, klebsiella pneumoniae and klebsiella oxytoca are the two strains responsible for most human illnesses.
To evaluate the effect of temperature on cell growth and 2,3bd production, flask cultivation was conducted at 25c, 30c, and 37c with 50 gl of glucose as a carbon source. In this study, we developed an environmentally friendly process for the production of fdca from 5hydroxymethyl furfural 5hmf using a newly isolated strain, raoultella ornithinolytica bf60. Isolation, screening, and molecular identification. We report on a newborn with urinary tract infection caused by raoultella ornithinolytica. Pdf clinical characteristics of raoultella ornithinolytica. Few cases have been reported of this organism affecting humans. Strain marseillep1025 was also able to infect, multiply within, and kill acanthamoaeba castellanii amoebae. Pronunciation of raoultella ornithinolytica in english. There are some strains of this bacteria that are resistant to almost all antibiotics. So far, only genome sequences for the related species raoultella ornithinolytica, raoultella planticola, and raoultella terrigena have been published 2 5. Nevertheless, raoultella planticola cannot be distinguished from k.
Identification of raoultella terrigena as a rare causative. This bacterium, along with the closely related species r. Klebsiella is a type of bacteria commonly found in nature. This organism can be misdiagnosed as klebsiella pneumoniae or klebsiella oxytoca, and its expression of. Raoultella ornithinolytica formerly klebsiella ornithinolytica is a gramnegative bacillus that belongs to the enterobacteriaceae family. Raoultella ornithinolytica diagnosed in a neurointensive patient. Carbapenemase genes were embedded in isoforms of tn 4401 and were plasmidic and chromosomal in. These bacteria are commonly found in the natural environment. Fat necrosis and polymicrobial wound infection caused. Raoultella ornithinolytica is a rare pathogen in human infection and bacteremic cases had been scarcely reported. We report a case of serious softtissue infection in a young male tiler who presented with cellulitis of his left thumb. Klebsiella pneumoniae and klebsiella oxytoca are the bestknown hpb in fish. Genomic analysis of a raoultella ornithinolytica strain causing prosthetic joint infection in an immunocompetent patient.
Raoultella ornithinolytica is a gramnegative encapsulated aerobic bacillus belonging to family enterobacteriaceae that is found in aquatic environments, fish, and insects. Antimicrobial susceptibility of raoultella ornithinolytica. Raoultella ornithinolytica is a rare gramnegative bacterium that is both a human commensal and free living in the environment. Clinical characteristics of raoultella ornithinolytica. Natural antibiotic susceptibility of klebsiella pneumoniae. Agrowastes utilization by raoultella ornithinolytica for. The genus raoultella belongs to the family of enterobacteriaceae. Raoultella ornithinolytica is a rare opportunistic aerobic gramnegative bacillus that naturally exists in soil, water and plants.
This genus can be distinguished from the genus klebsiella, in that genus use histamine as the only source of carbon in the medium. The organism was once classified as a klebsiella species, and only recently separated on the basis of new molecular analysis. Its role in the pathogenesis of human infections has recently been recognized. Catheterrelated blood stream infection caused by raoultella. A rare human infection of raoultella ornithinolytica in a. Jan 23, 2020 of the tested raoultella strains, thirteen 12. International journal of systematic and evolutionary microbiology 51, 925932. Consequently, infection with this microorganism causes. Initially, raoultella species were classified as klebsiella species, however, on the basis of 16s ribosomal rna and rpob gene sequences, these two genera were later discriminated.
Raoultella ornithinolytica is an uncommon human pathogen, with only ten cases having been previously reported. Are you studying a language or simply interested in the pronunciation of some words. Natural antibiotic susceptibility of klebsiella pneumoniae, k. Only 3 cases of urinary tract infection secondary to r planticola have been reported, 1. Two strains of raoultella planticola and one of raoultella ornithinolytica showing carbapenem resistance were recovered from patients hospitalized in new jersey and ohio. If you had a culture done that grew this organism, then the lab should have also done sensitivities. Ent infection caused by raoultella ornithinolytica singh m. Raoultella ornithinolytica is an inhabitant of aquatic environments, but it is recognized as an emerging and underreported cause of nosocomial infections. Complete genome sequence of raoultella electrica 1gb dsm.
Production of plasmidencoding ndm1 in clinical raoultella. 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. An alternative approach to combat multidrugresistant susceptibility pattern of raoultella ornithinolytica mahendra kumar trivedi 1 shrikant patil 1 harish shettigar 1 mayank gangwar 2 and snehasis jana 2 1 trivedi global inc. Carbapenemase genes were embedded in isoforms of tn 4401 and were plasmidic and. Histamine fish poisoning is caused by histamineproducing bacteria hpb.