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Hinchcliffe N, Benbow A, Moshiri T, Thompson J, Venkatesan P. Isolation of Raoultella ornithinolytica in a HIV positive patient with a lung abscess. Access Microbiol 2022; 4:acmi000365. [PMID: 36004361 PMCID: PMC9394669 DOI: 10.1099/acmi.0.000365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 04/28/2022] [Indexed: 11/18/2022] Open
Abstract
A 38 year old male HIV positive patient with a history of intravenous drug use presented with chest pains, cough, sputum and weight loss and radiology demonstrated the evolution of a right basal lung abscess. A lung biopsy sent for 16S rRNA analysis and sputum cultured about the same time demonstrated
Raoultella ornithinolytica
. No other causative pathogens were clearly identified. He gradually improved with a 4 week course of intravenous cefazolin.
R. ornithinolytica
is a rare, but recognised pathogen.
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Affiliation(s)
- Nicola Hinchcliffe
- Department of Infectious Diseases, Nottingham University Hospitals, City Campus, Nottingham, NG5 1PB, UK
| | - Aled Benbow
- Department of Infectious Diseases, Nottingham University Hospitals, City Campus, Nottingham, NG5 1PB, UK
| | - Tara Moshiri
- Department of Infectious Diseases, Nottingham University Hospitals, City Campus, Nottingham, NG5 1PB, UK
| | - Jonathan Thompson
- Department of Infectious Diseases, Nottingham University Hospitals, City Campus, Nottingham, NG5 1PB, UK
| | - Pradhib Venkatesan
- Department of Infectious Diseases, Nottingham University Hospitals, City Campus, Nottingham, NG5 1PB, UK
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2
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Goodman DT, Murphy D, Dorairaj J. Case Study: Soft Tissue Infection with Raoultella ornithinolytica. JPRAS Open 2022; 33:17-20. [PMID: 35633992 PMCID: PMC9133572 DOI: 10.1016/j.jpra.2022.04.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 04/23/2022] [Indexed: 11/25/2022] Open
Abstract
Raoultella ornithinolytica is a rare encapsulated Gram-negative aerobic and facultative anaerobic rod belonging to the Enterobacteriaceae family. It tends to inhabit water and soil environments and can be found on insects, fish, ticks, and termites, but can also found in the hospital environment.1,2R ornithinolytica has been documented in respiratory, urinary, gastrointestinal, and biliary tract infections as well as bacteraemia and systemic infections but has rarely been documented in soft tissue infections.2 This case study describes a recurrent paronychia infection secondary to R ornithinolytica in a young woman not responding to antibiotics and successfully treated with surgical management.
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3
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Abd El-Ghany WA. A spotlight on Raoultella ornithinolytica: A newly emerging life-threatening zoonotic pathogen. INTERNATIONAL JOURNAL OF ONE HEALTH 2021. [DOI: 10.14202/ijoh.2021.1-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The genus Raoultella contains Raoultella ornithinolytica (R. ornithinolytica), which was previously named as Klebsiella ornithinolytica. R. ornithinolytica is a Gram-negative bacillus that belongs to the family Enterobacteriaceae. This pathogen is normally present in aquaculture, and it has been isolated from fish, insects, and wild and domestic birds. Seafood and poultry products are incriminated as sources of R. ornithinolytica infection. Community-acquired human infection with R. ornithinolytica is common. This infection is commonly associated with sepsis, bacteremia, food poisoning, purities, and urinary and respiratory tracts' infections. Rapid acquired resistance of R. ornithinolytica strains is common, and it is related to the development of resistant genes. R. ornithinolytica is considered as a newly emerging life-threatening pathogen world-wide. Hence, it is very important to determine the role of animals and birds in the epidemiological situation of this pathogen as well as the detection of antibiotic resistance genes before treatment.
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Affiliation(s)
- Wafaa A. Abd El-Ghany
- Department of Poultry Diseases, Faculty of Veterinary Medicine, Cairo University, Egypt
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4
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Hajjar R, Ambaraghassi G, Sebajang H, Schwenter F, Su SH. Raoultella ornithinolytica: Emergence and Resistance. Infect Drug Resist 2020; 13:1091-1104. [PMID: 32346300 PMCID: PMC7167274 DOI: 10.2147/idr.s191387] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 12/13/2019] [Indexed: 11/23/2022] Open
Abstract
Raoultella ornithinolytica is an encapsulated Gram-negative, oxidase-negative, catalase-positive, aerobic, non-motile rod that belongs to the Enterobacteriaceae family. This bacterium was initially classified in the genus Klebsiella as Klebsiella ornithinolytica, until the creation of the genus Raoultella in 2001. R. ornithinolytica is usually found in water environments and soil, and due to its ability to convert histidine to histamine, it has been associated with histamine poisoning in humans. R. ornithinolytica is an emerging entity in human infections, with several reports of virulent infections in comorbid at-risk patients. Increasing reports are potentially due to better and more precise identification tools. The objective of this article is to provide a comprehensive review of reported cases of R. ornithinolytica infections, the emergent virulence of described multiresistant strains, and an overview of currently used identification methods.
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Affiliation(s)
- Roy Hajjar
- Digestive Surgery Service, Department of Surgery, Centre Hospitalier de l'Université de Montréal (CHUM), Montréal, Québec, Canada
| | - Georges Ambaraghassi
- Department of Medical Microbiology and Infectious Diseases, Centre Hospitalier de l'Université de Montréal (CHUM), Montréal, Québec, Canada
| | - Herawaty Sebajang
- Digestive Surgery Service, Department of Surgery, Centre Hospitalier de l'Université de Montréal (CHUM), Montréal, Québec, Canada
| | - Frank Schwenter
- Digestive Surgery Service, Department of Surgery, Centre Hospitalier de l'Université de Montréal (CHUM), Montréal, Québec, Canada
| | - Shih-Hann Su
- Department of Medical Microbiology and Infectious Diseases, Centre Hospitalier de l'Université de Montréal (CHUM), Montréal, Québec, Canada
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Wang S, Xu L, Chi X, Li Y, Kou Z, Hou P, Xie H, Bi Z, Zheng B. Emergence of NDM-1- and CTX-M-3-Producing Raoultella ornithinolytica in Human Gut Microbiota. Front Microbiol 2019; 10:2678. [PMID: 31824461 PMCID: PMC6883284 DOI: 10.3389/fmicb.2019.02678] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 11/05/2019] [Indexed: 12/21/2022] Open
Abstract
Raoultella ornithinolytica is an opportunistic pathogen of the Enterobacteriaceae family and has been implicated in nosocomial infections in recent years. The aim of this study was to characterize a carbapenemase-producing R. ornithinolytica isolate and three extended-spectrum β-lactamase (ESBL)-producing R. ornithinolytica isolates from stool samples of adults in a rural area of Shandong Province, China. The species were identified using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) and 16S rDNA sequence analysis. Antimicrobial susceptibility test showed that all four isolates were multidrug-resistant (MDR). The whole genome sequence (WGS) of these isolates was determined using an Illumina HiSeq platform, which revealed MDR-related genes. The S1 nuclease-pulsed-field gel electrophoresis (S1-PFGE) was used to characterize the plasmids carried by the R. ornithinolytica isolates. The blaNDM-1 and blaCTX-M-3 genes were probed using Southern blotting, which confirmed the location of both genes on the same plasmid with molecular weight of 336.5–398.4 kb. The transferability of blaNDM-1 and blaCTX-M was also confirmed by conjugation assays. Finally, BLAST analysis of both genes showed that mobile genetic elements were associated with the spread of drug resistance genes. Taken together, we report the presence of conjugative blaNDM-1 and blaCTX-M plasmids in R. ornithinolytica isolates from healthy humans, which indicate the possibility of inter-species transfer of drug resistance genes. To the best of our knowledge, this is the first study to isolate and characterize carbapenemase-producing R. ornithinolytica and ESBL-producing R. ornithinolytica isolates from healthy human hosts.
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Affiliation(s)
- Shuang Wang
- Bacterial Infection Disease Control of Institute, Shandong Center for Disease Control and Prevention, Jinan, China
| | - Liuchen Xu
- Bacterial Infection Disease Control of Institute, Shandong Center for Disease Control and Prevention, Jinan, China
| | - Xiaohui Chi
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Department of Environment and Health, School of Public Health, Shandong University, Jinan, China
| | - Yan Li
- Bacterial Infection Disease Control of Institute, Shandong Center for Disease Control and Prevention, Jinan, China
| | - Zengqiang Kou
- Bacterial Infection Disease Control of Institute, Shandong Center for Disease Control and Prevention, Jinan, China
| | - Peibin Hou
- Bacterial Infection Disease Control of Institute, Shandong Center for Disease Control and Prevention, Jinan, China
| | - Hengjie Xie
- Department of Supervise Sampling, Shandong Institute for Food and Drug Control, Jinan, China
| | - Zhenwang Bi
- Bacterial Infection Disease Control of Institute, Shandong Center for Disease Control and Prevention, Jinan, China.,Shandong Academy of Clinical Medicine, Shandong Provincial Hospital, Jinan, China
| | - Beiwen Zheng
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
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