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Ford MB, Okulicz JF, Salinas JR, Kiley JL. Epidemiology, clinical characteristics, and outcomes of nontuberculous mycobacterial skin, soft tissue, and bone infections from a single center over a 10-year period. J Clin Tuberc Other Mycobact Dis 2023; 33:100403. [PMID: 38027426 PMCID: PMC10630104 DOI: 10.1016/j.jctube.2023.100403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023] Open
Abstract
Introduction Non-tuberculous mycobacteria (NTM) cause a wide variety of clinical syndromes. Data guiding diagnosis and treatment of NTM skin and soft tissue infections (SSTI) and bone infections are limited. We sought to better understand SSTI and bone infections caused by NTM. Methods All NTM clinical isolates recovered at Brooke Army Medical Center from 2012 to 2022 were screened; SSTI and bone isolates were included. Electronic health records were reviewed for epidemiologic, microbiologic, and clinical data. Infections were defined as recovery of one or more NTM isolate from skin, soft tissue, or bone cultures with a corresponding clinical syndrome. Results Forty isolates of skin, soft tissue, or bone origin from 29 patients were analyzed. Twenty (69 %) patients, majority female (14/20, 70 %), had infecting isolates, most commonly secondary to surgery (35 %) or trauma (35 %). Six of 20 (30 %) had bone infections. Time from symptom onset to isolate recovery was a median 61 days (IQR 43-95). Eight (40 %) had combined medical/surgical therapy, 8 (40 %) had surgery alone, and 4 (20 %) had medical therapy alone. M. abscessus was more frequently isolated from patients with true infections. Conclusions Data supporting diagnosis and treatment decisions in NTM SSTI/bone infections is sparse. In this study the majority of NTM isolated were true infections. We confirm that surgery and trauma are the most common routes of exposure. The delay between symptom onset and directed therapy and the wide variety of treatment regimens highlight a need for additional studies delineating criteria for diagnosis and treatment.
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Affiliation(s)
- Mary B. Ford
- Infectious Disease Service, Department of Medicine, Brooke Army Medical Center, Fort Sam Houston, TX, USA
- Division of Infectious Disease, Department of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Jason F. Okulicz
- Infectious Disease Service, Department of Medicine, Brooke Army Medical Center, Fort Sam Houston, TX, USA
- Division of Infectious Disease, Department of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Jesse R. Salinas
- Department of Pathology and Laboratory Services, Microbiology Laboratory, Brooke Army Medical Center, Fort Sam Houston, TX, USA
| | - John L. Kiley
- Infectious Disease Service, Department of Medicine, Brooke Army Medical Center, Fort Sam Houston, TX, USA
- Division of Infectious Disease, Department of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
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Alam MS, Guan P, Zhu Y, Zeng S, Fang X, Wang S, Yusuf B, Zhang J, Tian X, Fang C, Gao Y, Khatun MS, Liu Z, Hameed HMA, Tan Y, Hu J, Liu J, Zhang T. Comparative genome analysis reveals high-level drug resistance markers in a clinical isolate of Mycobacterium fortuitum subsp . fortuitum MF GZ001. Front Cell Infect Microbiol 2023; 12:1056007. [PMID: 36683685 PMCID: PMC9846761 DOI: 10.3389/fcimb.2022.1056007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 12/05/2022] [Indexed: 01/06/2023] Open
Abstract
Introduction Infections caused by non-tuberculosis mycobacteria are significantly worsening across the globe. M. fortuitum complex is a rapidly growing pathogenic species that is of clinical relevance to both humans and animals. This pathogen has the potential to create adverse effects on human healthcare. Methods The MF GZ001 clinical strain was collected from the sputum of a 45-year-old male patient with a pulmonary infection. The morphological studies, comparative genomic analysis, and drug resistance profiles along with variants detection were performed in this study. In addition, comparative analysis of virulence genes led us to understand the pathogenicity of this organism. Results Bacterial growth kinetics and morphology confirmed that MF GZ001 is a rapidly growing species with a rough morphotype. The MF GZ001 contains 6413573 bp genome size with 66.18 % high G+C content. MF GZ001 possesses a larger genome than other related mycobacteria and included 6156 protein-coding genes. Molecular phylogenetic tree, collinearity, and comparative genomic analysis suggested that MF GZ001 is a novel member of the M. fortuitum complex. We carried out the drug resistance profile analysis and found single nucleotide polymorphism (SNP) mutations in key drug resistance genes such as rpoB, katG, AAC(2')-Ib, gyrA, gyrB, embB, pncA, blaF, thyA, embC, embR, and iniA. In addition, the MF GZ001strain contains mutations in iniA, iniC, pncA, and ribD which conferred resistance to isoniazid, ethambutol, pyrazinamide, and para-aminosalicylic acid respectively, which are not frequently observed in rapidly growing mycobacteria. A wide variety of predicted putative potential virulence genes were found in MF GZ001, most of which are shared with well-recognized mycobacterial species with high pathogenic profiles such as M. tuberculosis and M. abscessus. Discussion Our identified novel features of a pathogenic member of the M. fortuitum complex will provide the foundation for further investigation of mycobacterial pathogenicity and effective treatment.
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Affiliation(s)
- Md Shah Alam
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Diseases, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
- China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou, China
| | - Ping Guan
- State Key Laboratory of Respiratory Disease, Guangzhou Chest Hospital, Guangzhou, China
| | - Yuting Zhu
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- School of Life Sciences, University of Science and Technology of China, Hefei, Anhui, China
| | - Sanshan Zeng
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Diseases, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
- China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou, China
| | - Xiange Fang
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Diseases, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
- China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou, China
| | - Shuai Wang
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- National Clinical Research Center for Infectious Diseases, Guangdong Provincial Clinical Research Center for Tuberculosis, Shenzhen Third People's Hospital, Shenzhen, China
| | - Buhari Yusuf
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Diseases, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
- China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou, China
| | - Jingran Zhang
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Diseases, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
- China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou, China
| | - Xirong Tian
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Diseases, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
- China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou, China
| | - Cuiting Fang
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Diseases, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
- China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou, China
| | - Yamin Gao
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Diseases, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
- China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou, China
| | - Mst Sumaia Khatun
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Diseases, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
- China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou, China
| | - Zhiyong Liu
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Diseases, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
- China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou, China
| | - H M Adnan Hameed
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Diseases, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
- China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou, China
| | - Yaoju Tan
- State Key Laboratory of Respiratory Disease, Guangzhou Chest Hospital, Guangzhou, China
| | - Jinxing Hu
- State Key Laboratory of Respiratory Disease, Guangzhou Chest Hospital, Guangzhou, China
| | - Jianxiong Liu
- State Key Laboratory of Respiratory Disease, Guangzhou Chest Hospital, Guangzhou, China
| | - Tianyu Zhang
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Diseases, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
- China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou, China
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Gharbi R, Khanna V, Frigui W, Mhenni B, Brosch R, Mardassi H. Phenotypic and genomic hallmarks of a novel, potentially pathogenic rapidly growing Mycobacterium species related to the Mycobacterium fortuitum complex. Sci Rep 2021; 11:13011. [PMID: 34155223 PMCID: PMC8217490 DOI: 10.1038/s41598-021-91737-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 05/11/2021] [Indexed: 02/05/2023] Open
Abstract
Previously, we have identified a putative novel rapidly growing Mycobacterium species, referred to as TNTM28, recovered from the sputum of an apparently immunocompetent young man with an underlying pulmonary disease. Here we provide a thorough characterization of TNTM28 genome sequence, which consists of one chromosome of 5,526,191 bp with a 67.3% G + C content, and a total of 5193 predicted coding sequences. Phylogenomic analyses revealed a deep-rooting relationship to the Mycobacterium fortuitum complex, thus suggesting a new taxonomic entity. TNTM28 was predicted to be a human pathogen with a probability of 0.804, reflecting the identification of several virulence factors, including export systems (Sec, Tat, and ESX), a nearly complete set of Mce proteins, toxin-antitoxins systems, and an extended range of other genes involved in intramacrophage replication and persistence (hspX, ahpC, sodA, sodC, katG, mgtC, ClpR, virS, etc.), some of which had likely been acquired through horizontal gene transfer. Such an arsenal of potential virulence factors, along with an almost intact ESX-1 locus, might have significantly contributed to TNTM28 pathogenicity, as witnessed by its ability to replicate efficiently in macrophages. Overall, the identification of this new species as a potential human pathogen will help to broaden our understanding of mycobacterial pathogenesis.
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Affiliation(s)
- Reem Gharbi
- Unit of Typing & Genetics of Mycobacteria, Laboratory of Molecular Microbiology, Vaccinology, and Biotechnology Development, Institut Pasteur de Tunis, Université de Tunis El Manar, Tunis, Tunisia
| | - Varun Khanna
- Institut Pasteur, Hub Bioinformatique et Biostatistique, C3BI, Unité de Services et de Recherche, USR 3756, Institut Pasteur CNRS, Paris, France
| | - Wafa Frigui
- Institut Pasteur (IP), Unit for Integrated Mycobacterial Pathogenomics, 75015, Paris, France
| | - Besma Mhenni
- Unit of Typing & Genetics of Mycobacteria, Laboratory of Molecular Microbiology, Vaccinology, and Biotechnology Development, Institut Pasteur de Tunis, Université de Tunis El Manar, Tunis, Tunisia
| | - Roland Brosch
- Institut Pasteur (IP), Unit for Integrated Mycobacterial Pathogenomics, 75015, Paris, France
| | - Helmi Mardassi
- Unit of Typing & Genetics of Mycobacteria, Laboratory of Molecular Microbiology, Vaccinology, and Biotechnology Development, Institut Pasteur de Tunis, Université de Tunis El Manar, Tunis, Tunisia.
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Bugeja A, Hae R, Rajda E, Clark EG, Akbari A, Fairhead T, Arianne Buchan C. A living donor kidney transplant recipient with mycobacterium senegalense bacteremia: A case report. Transpl Infect Dis 2021; 23:e13596. [PMID: 33655620 DOI: 10.1111/tid.13596] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 02/03/2021] [Accepted: 02/21/2021] [Indexed: 11/27/2022]
Abstract
Mycobacterium senegalense is primarily known in sub-Saharan Africa to cause bovine farcy, a chronic granulomatous inflammation of the skin and lymphatics in cows. Reports of M. senegalense are rare among humans. We report a unique case of M. senegalense bloodstream infection in a living donor kidney transplant recipient with multiple possible sources of infection.
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Affiliation(s)
- Ann Bugeja
- Division of Nephrology, Department of Medicine, The Ottawa Hospital and University of Ottawa, Ottawa, Canada
| | - Richard Hae
- Department of Medicine, The Ottawa Hospital and University of Ottawa, Ottawa, Canada
| | - Ewa Rajda
- Division of Infectious Diseases, Department of Medical Microbiology, McGill University Health Centre and McGill University, Montreal, Canada
| | - Edward G Clark
- Division of Nephrology, Department of Medicine, The Ottawa Hospital and University of Ottawa, Ottawa, Canada
| | - Ayub Akbari
- Division of Nephrology, Department of Medicine, The Ottawa Hospital and University of Ottawa, Ottawa, Canada
| | - Todd Fairhead
- Division of Nephrology, Department of Medicine, The Ottawa Hospital and University of Ottawa, Ottawa, Canada
| | - C Arianne Buchan
- Division of Infectious Diseases, Department of Medicine, The Ottawa Hospital and University of Ottawa, Ottawa, Canada
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Nengue L, Diaz MAA, Sherman CE, Bhasin A, Libertin CR. Mycobacterium abscessus Prosthetic Joint Infections of the Knee. J Bone Jt Infect 2019; 4:223-226. [PMID: 31700770 PMCID: PMC6831809 DOI: 10.7150/jbji.36286] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 05/04/2019] [Indexed: 01/24/2023] Open
Abstract
M. abscessus complex prosthetic joint infections (PJI) of the knee are rare. We present a patient with an M. abscessus subsp. massiliense, a nontuberculous mycobacterium (NTM), peri-prosthetic knee infection who presented with wound drainage followed by sepsis. The published peer-reviewed literature on knee PJIs due to this organism is reviewed to highlight its clinical presentation,symptomatology, microbiology, surgical interventions, antimicrobial regimens, and outcomes.
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Affiliation(s)
- Lydie Nengue
- Division of Infectious Diseases, Mayo Clinic, Jacksonville, Florida, USA
| | | | - Courtney E Sherman
- Department of Orthopedic Surgery, Mayo Clinic, Jacksonville, Florida, USA
| | - Arveen Bhasin
- Division of Allergy, Mayo Clinic, Jacksonville, Florida, USA
| | - Claudia R Libertin
- Division of Infectious Diseases, Mayo Clinic, Jacksonville, Florida, USA
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