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Abbas M, Khan MT, Iqbal Z, Ali A, Eddine BT, Yousaf N, Wei D. Sources, transmission and hospital-associated outbreaks of nontuberculous mycobacteria: a review. Future Microbiol 2024; 19:715-740. [PMID: 39015998 PMCID: PMC11259073 DOI: 10.2217/fmb-2023-0279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 03/20/2024] [Indexed: 07/18/2024] Open
Abstract
Nontuberculous mycobacteria (NTM) are widespread environmental organisms found in both natural and man-made settings, such as building plumbing, water distribution networks and hospital water systems. Their ubiquitous presence increases the risk of transmission, leading to a wide range of human infections, particularly in immunocompromised individuals. NTM primarily spreads through environmental exposures, such as inhaling aerosolized particles, ingesting contaminated food and introducing it into wounds. Hospital-associated outbreaks have been linked to contaminated medical devices and water systems. Furthermore, the rising global incidence, prevalence and isolation rates highlight the urgency of addressing NTM infections. Gaining a thorough insight into the sources and epidemiology of NTM infection is crucial for devising novel strategies to prevent and manage NTM transmission and infections.
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Affiliation(s)
- Munawar Abbas
- College of Food Science & Technology, Henan University of Technology, Zhengzhou, Henan, 450001, China
| | - Muhammad Tahir Khan
- Institute of Molecular Biology & Biotechnology (IMBB), The University of Lahore, 1KM Defense Road, Lahore, 58810, Pakistan
- Zhongjing Research & Industrialization Institute of Chinese Medicine, Zhongguancun Scientific Park, Meixi, Nanyang, Henan, 473006, PR China
| | - Zafar Iqbal
- School of Life Science, Anhui Normal University, Wuhu, Anhui, China
| | - Arif Ali
- Department of Bioinformatics & Biological Statistics, School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Benarfa Taki Eddine
- Echahid Cheikh Larbi Tebessi University Faculty of Exact Sciences & Natural & Life Sciences, Département of Microbiology, Algeria
| | - Numan Yousaf
- Department of Biosciences, COMSATS University Islamabad, Pakistan
| | - Dongqing Wei
- College of Food Science & Technology, Henan University of Technology, Zhengzhou, Henan, 450001, China
- State Key Laboratory of Microbial Metabolism, Shanghai-Islamabad-Belgrade Joint Innovation Center on Antibacterial Resistances, Joint International Research Laboratory of Metabolic & Developmental Sciences & School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, Shanghai, 200030, PR China
- Zhongjing Research & Industrialization Institute of Chinese Medicine, Zhongguancun Scientific Park, Meixi, Nanyang, Henan, 473006, PR China
- Henan Biological Industry Group, 41, Nongye East Rd, Jinshui, Zhengzhou, Henan, 450008, China
- Peng Cheng National Laboratory, Vanke Cloud City Phase I Building 8, Xili Street, Nashan District, Shenzhen, Guangdong, 518055, PR China
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Mendoza-Del Toro Patricia PG, Robles-Tenorio Arturo A, Tarango-Martínez Victor VM. Mycobacterium abscessus sporotrichoid infection after a dog bite. An Bras Dermatol 2024; 99:145-147. [PMID: 37775436 DOI: 10.1016/j.abd.2023.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/28/2023] [Accepted: 02/01/2023] [Indexed: 10/01/2023] Open
Affiliation(s)
| | - Arturo Robles-Tenorio Arturo
- Department of Dermatology, Faculty of Medicine and Health Sciences, Tecnologico de Monterrey, Monterrey, Mexico.
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Navarro-Bielsa A, Bielsa A, Gomez-Mateo M, Abadías-Granado I. [Translated article] Sporotrichoid Nodules in a Woman With Sarcoidosis. ACTAS DERMO-SIFILIOGRAFICAS 2022; 114:T349-T352. [PMID: 35952910 DOI: 10.1016/j.ad.2022.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 12/21/2020] [Indexed: 10/15/2022] Open
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4
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Carmona-Tello MN, Hernández-Cabrera M, Lavilla-Salgado MDC, Bolaños-Rivero M. Abscessed cellulitis with a sporotrichoid pattern that does not yield to antibiotic treatment. ENFERMEDADES INFECCIOSAS Y MICROBIOLOGIA CLINICA (ENGLISH ED.) 2021; 39:411-412. [PMID: 34362704 DOI: 10.1016/j.eimce.2021.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 12/07/2020] [Indexed: 06/13/2023]
Affiliation(s)
- María Nieves Carmona-Tello
- Servicio de Microbiología y Parasitología Clínica, Hospital Universitario Insular de Gran Canaria, Gran Canaria, Spain
| | - Michelle Hernández-Cabrera
- Unidad de Enfermedades Infecciosas y Medicina Tropical, Hospital Universitario Insular de Gran Canaria, Gran Canaria, Spain
| | | | - Margarita Bolaños-Rivero
- Servicio de Microbiología y Parasitología Clínica, Hospital Universitario Insular de Gran Canaria, Gran Canaria, Spain.
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Navarro-Bielsa A, Bielsa A, Gomez-Mateo M, Abadías-Granado I. Nódulos de distribución esporotricoide en una paciente con sarcoidosis. ACTAS DERMO-SIFILIOGRAFICAS 2021; 114:349-352. [PMID: 36180283 DOI: 10.1016/j.ad.2020.12.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 11/12/2020] [Accepted: 12/21/2020] [Indexed: 11/26/2022] Open
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6
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Carmona-Tello MN, Hernández-Cabrera M, Lavilla-Salgado MDC, Bolaños-Rivero M. Abscessed cellulitis with a sporotrichoid pattern that does not yield to antibiotic treatment. Enferm Infecc Microbiol Clin 2021; 39:S0213-005X(21)00007-0. [PMID: 33546813 DOI: 10.1016/j.eimc.2020.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 11/30/2020] [Accepted: 12/07/2020] [Indexed: 11/30/2022]
Affiliation(s)
- María Nieves Carmona-Tello
- Servicio de Microbiología y Parasitología Clínica, Hospital Universitario Insular de Gran Canaria, Gran Canaria, España
| | - Michele Hernández-Cabrera
- Unidad de Enfermedades Infecciosas y Medicina Tropical, Hospital Universitario Insular de Gran Canaria, Gran Canaria, España
| | | | - Margarita Bolaños-Rivero
- Servicio de Microbiología y Parasitología Clínica, Hospital Universitario Insular de Gran Canaria, Gran Canaria, España.
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Campos-Gutiérrez S, Ramos-Real MJ, Abreu R, Jiménez MS, Lecuona M. Pseudo-outbreak of Mycobacterium fortuitum in a hospital bronchoscopy unit. Am J Infect Control 2020; 48:765-769. [PMID: 31882175 DOI: 10.1016/j.ajic.2019.11.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 11/16/2019] [Accepted: 11/16/2019] [Indexed: 10/25/2022]
Abstract
BACKGROUND Mycobacterium fortuitum survive in different environmental conditions, biofilm formation and resistance to chlorinated disinfectants makes its isolation frequent in hospital environments, even being involved in outbreaks by contamination of medical equipment such as bronchoscopes. We describe a pseudo-outbreak by M fortuitum isolated in samples from 9 patients who underwent bronchoscopy in the pneumology bronchoscopy unit of the University Hospital Complex of the Canary Islands from December 2016 to March 2017. METHODS We proceeded to investigate the pseudo-outbreak with a combination of epidemiologic, environmental, and molecular typing data. RESULTS The source/reservoir of pseudo-outbreak was the hospital water used by the bronchoscope automatic washing machine (without antibacterial filter), so control measures were taken. Molecular typing was performed on 7 strains from 7 patients, and a sample of water was collected from a tap in the pneumology bronchoscopy unit: all of which had the same pattern. CONCLUSIONS Our study demonstrates the presence of nontuberculous mycobacteria in the hospital water supply, and thus the need to take measures against them because they compromise patients' health. We also suggest the need for hospital water quality guidelines in which methods to control and/or eliminate them are established.
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Zaragoza Bastida A, Rivero Pérez N, Valladares Carranza B, Isaac-Olivé K, Moreno Pérez P, Sandoval Trujillo H, Ramírez Durán N. Molecular Identification of Mycobacterium Species of Public Health and Veterinary Importance from Cattle in the South State of México. THE CANADIAN JOURNAL OF INFECTIOUS DISEASES & MEDICAL MICROBIOLOGY = JOURNAL CANADIEN DES MALADIES INFECTIEUSES ET DE LA MICROBIOLOGIE MEDICALE 2017; 2017:6094587. [PMID: 28694831 PMCID: PMC5488153 DOI: 10.1155/2017/6094587] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Revised: 05/12/2017] [Accepted: 05/21/2017] [Indexed: 11/30/2022]
Abstract
Mycobacterium genus causes a variety of zoonotic diseases. The best known example is the zoonotic tuberculosis due to M. bovis. Much less is known about "nontuberculous mycobacteria (NTM)," which are also associated with infections in humans. The Mexican standard NOM-ZOO-031-1995 regulates the presence of M. bovis in cattle; however, no regulation exists for the NTM species. The objective of this study was to isolate and identify nontuberculous mycobacteria species from cattle of local herds in the south region of the State of Mexico through the identification and detection of the 100 bp molecular marker in the 23S rRNA gene with subsequent sequencing of the 16S rRNA gene. Milk samples (35) and nasal exudate samples (68) were collected. From the 108 strains isolated, 39 were selected for identification. Thirteen strains isolated from nasal exudates amplified the 100 bp molecular marker and were identified as M. neoaurum (six strains), M. parafortuitum (four strains), M. moriokaense (two strains), and M. confluentis (one strain). Except M. parafortuitum, the other species identified are of public health and veterinary concern because they are pathogenic to humans, especially those with underlying medical conditions.
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Affiliation(s)
- Adrian Zaragoza Bastida
- Facultad de Medicina, Universidad Autónoma del Estado de México, Paseo Tollocan/Jesús Carranza s/n, 50180 Toluca, MEX, Mexico
- Área Académica de Medicina Veterinaria y Zootecnia, Instituto de Ciencias Agropecuaria, Universidad Autónoma del Estado de Hidalgo, Av. Universidad Km 1, Ex-Hda. de Aquetzalpa, 43600 Tulancingo, HGO, Mexico
| | - Nallely Rivero Pérez
- Área Académica de Medicina Veterinaria y Zootecnia, Instituto de Ciencias Agropecuaria, Universidad Autónoma del Estado de Hidalgo, Av. Universidad Km 1, Ex-Hda. de Aquetzalpa, 43600 Tulancingo, HGO, Mexico
| | - Benjamín Valladares Carranza
- Centro de Investigación y Estudios Avanzados en Salud Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Km 15.5 Carretera Panamericana Toluca-Atlacomulco, 50200 Toluca, MEX, Mexico
| | - Keila Isaac-Olivé
- Facultad de Medicina, Universidad Autónoma del Estado de México, Paseo Tollocan/Jesús Carranza s/n, 50180 Toluca, MEX, Mexico
| | - Pablo Moreno Pérez
- Facultad de Medicina, Universidad Autónoma del Estado de México, Paseo Tollocan/Jesús Carranza s/n, 50180 Toluca, MEX, Mexico
| | - Horacio Sandoval Trujillo
- Departamento de Sistemas Biológicos, Universidad Autónoma Metropolitana-Xochimilco, Calzada del Hueso 1100, 04960 Ciudad de México, Mexico
| | - Ninfa Ramírez Durán
- Facultad de Medicina, Universidad Autónoma del Estado de México, Paseo Tollocan/Jesús Carranza s/n, 50180 Toluca, MEX, Mexico
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Sevilla IA, Molina E, Tello M, Elguezabal N, Juste RA, Garrido JM. Detection of Mycobacteria by Culture and DNA-Based Methods in Animal-Derived Food Products Purchased at Spanish Supermarkets. Front Microbiol 2017. [PMID: 28649235 PMCID: PMC5465283 DOI: 10.3389/fmicb.2017.01030] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Mycobacteria include obligate and opportunistic pathogens that cause significant human and animal disease. The burden of tuberculosis has been largely reduced in developed territories but remains a huge problem worldwide. The significance of nontuberculous mycobacteria is growing considerably, especially in developed regions with higher life expectancy and more therapy-related immunosuppressed individuals. Due to their robustness mycobacteria can contaminate animal products by direct transmission from infected individuals or by environmental contamination during processing. The situation at market level is poorly known. Most studies analyzing commercially available foods are limited to a small or local scale and mainly focused on a particular mycobacterial species. There is a need to investigate if animal products that have passed the established controls to be for sale at main supermarkets could represent a route of contact with any mycobacteria. Thus, our goal was to study the prevalence of mycobacteria in these foods to assess if this could represent a source of human exposure. Five stores from the main supermarket chains in Spain were selected. 138 dairy and 119 meat products were purchased. All were processed using culture and multiplex real-time PCR methods. Additional molecular methods were used to specifically identify any positive result. Mycobacterium avium subsp. hominissuis (2), M. avium subsp. avium (1), and M. fortuitum (1) were isolated from powdered infant formula and ground beef, chicken sausage, and mortadella cold cut, respectively. Mycobacterial DNA (M. avium, M. tuberculosis complex and other nontuberculous mycobacteria) was detected in 15% of dairy products and 2% of meat products. These results show that the prevalence of viable mycobacteria in foods of animal origin obtained at the supermarket was not substantial although a considerable proportion of them contained mycobacterial DNA. Contact with mycobacteria through this route could be ensured over time. Further investigation is necessary to determine the real impact of foodborne mycobacterial exposure on human health and identify critical points in the food production system to enable setting up more stringent control measures.
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Affiliation(s)
- Iker A Sevilla
- Animal Health Department, NEIKER-Instituto Vasco de Investigación y Desarrollo Agrario, Bizkaia Science and Technology Park 812LDerio, Spain
| | - Elena Molina
- Animal Health Department, NEIKER-Instituto Vasco de Investigación y Desarrollo Agrario, Bizkaia Science and Technology Park 812LDerio, Spain
| | - Maitane Tello
- Animal Health Department, NEIKER-Instituto Vasco de Investigación y Desarrollo Agrario, Bizkaia Science and Technology Park 812LDerio, Spain
| | - Natalia Elguezabal
- Animal Health Department, NEIKER-Instituto Vasco de Investigación y Desarrollo Agrario, Bizkaia Science and Technology Park 812LDerio, Spain
| | - Ramón A Juste
- SERIDA-Servicio Regional de Investigación y Desarrollo Agrario, Carretera de OviedoVillaviciosa, Spain
| | - Joseba M Garrido
- Animal Health Department, NEIKER-Instituto Vasco de Investigación y Desarrollo Agrario, Bizkaia Science and Technology Park 812LDerio, Spain
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Arrazuria R, Juste RA, Elguezabal N. Mycobacterial Infections in Rabbits: From the Wild to the Laboratory. Transbound Emerg Dis 2016; 64:1045-1058. [PMID: 26799551 DOI: 10.1111/tbed.12474] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Indexed: 12/12/2022]
Abstract
Tuberculous mycobacterial diseases such as leprosy and tuberculosis are ancient diseases that currently continue threatening human health in some countries. Non-tuberculous mycobacterial (NTM) infections cause a series of well-defined pathological entities, as well as some opportunistic diseases that have also increased worldwide, being more common among immunocompromised patients but rising also in immunocompetent individuals. Reports on natural infections by mycobacteria in rabbits are scarce and mainly involve NTM such as Mycobacterium avium subsp. avium in pigmy rabbits in the United States and Mycobacterium avium subsp. paratuberculosis in wild rabbits in Europe. Rabbits have been used as laboratory animals through the years, both to generate immunological reagents and as infection models. Mycobacterial infection models have been developed in this animal species showing different susceptibility patterns to mycobacteria in laboratory conditions. The latent tuberculosis model and the cavitary tuberculosis model have been widely used to elucidate pathogenic mechanisms and to evaluate chemotherapy and vaccination strategies. Rabbits have also been used as bovine paratuberculosis infection models. This review aimed to gather both wildlife and experimental infection data on mycobacteriosis in rabbits to assess their role in the spread of these infections as well as their potential use in the experimental study of mycobacterial pathogenesis and treatment.
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Affiliation(s)
- R Arrazuria
- Animal Health Department, NEIKER-Instituto Vasco de Investigación y Desarrollo Agrario, Derio, Bizkaia, Spain
| | - R A Juste
- Animal Health Department, NEIKER-Instituto Vasco de Investigación y Desarrollo Agrario, Derio, Bizkaia, Spain
| | - N Elguezabal
- Animal Health Department, NEIKER-Instituto Vasco de Investigación y Desarrollo Agrario, Derio, Bizkaia, Spain
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Martínez López AB, Álvarez Blanco O, Ruíz Serrano MJ, Morales San-José MD, Luque de Pablos A. Mycobacterium fortuitum como causa de infección del orificio del catéter de diálisis peritoneal. Caso clínico y revisión de la literatura. Nefrologia 2015; 35:584-6. [DOI: 10.1016/j.nefro.2015.09.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2013] [Accepted: 03/15/2015] [Indexed: 11/28/2022] Open
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Molecular mechanisms of clarithromycin resistance in Mycobacterium abscessus complex clinical isolates from Venezuela. J Glob Antimicrob Resist 2015; 3:205-209. [PMID: 27873710 DOI: 10.1016/j.jgar.2015.05.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2015] [Revised: 04/29/2015] [Accepted: 05/26/2015] [Indexed: 11/20/2022] Open
Abstract
In this study, 26 clinical isolates of Mycobacterium abscessus complex strains were characterised using available identification algorithms for the three species (M. abscessus, M. massiliense and M. bolletii) and the genotypic characteristics of clarithromycin (CLR) resistance were determined. Strains were identified by PCR restriction fragment length polymorphism analysis of the hsp65 and erm(41) gene sequences. Susceptibility to CLR was determined by the broth microdilution method. The mechanism of resistance to this macrolide was evaluated by sequencing the erm(41) and rrl genes. Mutations and/or deletions associated with resistance to CLR as determined in this study were those that have been previously described. No constitutive resistance to CLR was found, however 35% (9/26) of the M. abscessus complex strains tested had a functional inducible erm(41) gene. Based on sequencing of this gene, the strains of M. abscessus were separated into six sequevars, of which only two are consistent with those previously reported. In conclusion, we demonstrated that the low percentage of strains with a resistant phenotype to CLR was due only to an inducible resistance mechanism conferred by the erm(41) gene and not to mutations in the rrl gene. CLR can still be useful for treatment in some Venezuelan patients infected with a member of the M. abscessus group, but drug resistance testing and/or molecular analysis must precede the prescription of this antibiotic.
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Use of MALDI-TOF MS for Identification of Nontuberculous Mycobacterium Species Isolated from Clinical Specimens. BIOMED RESEARCH INTERNATIONAL 2015; 2015:854078. [PMID: 26106617 PMCID: PMC4463989 DOI: 10.1155/2015/854078] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Revised: 10/18/2014] [Accepted: 10/19/2014] [Indexed: 11/30/2022]
Abstract
The aim of this study was to compare the results obtained for identification by MALDI-TOF of nontuberculous mycobacteria (NTM) isolated in clinical samples with those obtained by GenoType Mycobacterium CM/AS (common mycobacteria/additional species). A total of 66 Mycobacterium isolates from various clinical specimens (mainly respiratory) were tested in this study. They were identified using MALDI-TOF Bruker from strains isolated in Lowenstein, following the recommended protocol of heat inactivation and extraction, and were simultaneously analyzed through hybridization by GenoType Mycobacterium from liquid culture MGIT. Our results showed that identification by MALDI-TOF was correct in 98.4% (65/66) of NTM isolated in our clinical practice (M. avium, M. intracellulare, M. abscessus, M. chelonae, M. fortuitum, M. mucogenicum, M. kansasii, and M. scrofulaceum). MALDI-TOF was found to be an accurate, rapid, and cost-effective system for identification of mycobacteria species.
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Guerrero I, García-Agudo L, Galán F, García-Martos P. Diferenciación de especies del complejo Mycobacterium fortuitum mediante espectrometría de masas. Enferm Infecc Microbiol Clin 2015; 33:67. [DOI: 10.1016/j.eimc.2014.04.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2014] [Revised: 04/21/2014] [Accepted: 04/30/2014] [Indexed: 11/16/2022]
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Carrillo-Quintero D, Bolaños-Rivero M, Hernández-Cabrera M, Cañas-Hernández F. Aislamiento de micobacterias de crecimiento rápido a partir de muestras de piel y tejidos blandos. Una etiología a tener en cuenta. Enferm Infecc Microbiol Clin 2014; 32:692-3. [DOI: 10.1016/j.eimc.2014.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2013] [Revised: 10/30/2013] [Accepted: 03/07/2014] [Indexed: 10/24/2022]
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de Miguel-Martinez I, Lorenzo-Garde L, Cañas-Hernandez F. [Bacteriemia due to Mycobacterium canariasense in an oncohematological patient with a long-term central device]. Enferm Infecc Microbiol Clin 2014; 32:618-9. [PMID: 25262854 DOI: 10.1016/j.eimc.2014.01.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2013] [Revised: 12/13/2013] [Accepted: 01/10/2014] [Indexed: 10/24/2022]
Affiliation(s)
- Isabel de Miguel-Martinez
- Servicio de Microbiología, Hospital Universitario Insular de Gran Canaria, Las Palmas de Gran Canaria, España.
| | - Leticia Lorenzo-Garde
- Servicio de Microbiología, Hospital Universitario Insular de Gran Canaria, Las Palmas de Gran Canaria, España
| | - Fernando Cañas-Hernandez
- Servicio de Microbiología, Hospital Universitario Insular de Gran Canaria, Las Palmas de Gran Canaria, España
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Requesens Solera M, Díaz Pollán B, Núñez Orantos MJ, Romero Calvo B. Infección respiratoria por Mycobacterium mucogenicum. Med Clin (Barc) 2014; 142:180-1. [DOI: 10.1016/j.medcli.2013.03.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2013] [Revised: 03/19/2013] [Accepted: 03/21/2013] [Indexed: 11/30/2022]
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18
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Lesiones cutáneas nodulares en paciente con artritis reumatoide en tratamiento con anti-factor de necrosis tumoral-α. Med Clin (Barc) 2014; 142:183-4. [DOI: 10.1016/j.medcli.2013.05.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Revised: 05/16/2013] [Accepted: 05/16/2013] [Indexed: 11/21/2022]
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Lima AS, Duarte RS, Montenegro LML, Schindler HC. Rapid detection and differentiation of mycobacterial species using a multiplex PCR system. Rev Soc Bras Med Trop 2014; 46:447-52. [PMID: 23982098 DOI: 10.1590/0037-8682-0097-2013] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2013] [Accepted: 07/22/2013] [Indexed: 11/21/2022] Open
Abstract
INTRODUCTION The early diagnosis of mycobacterial infections is a critical step for initiating treatment and curing the patient. Molecular analytical methods have led to considerable improvements in the speed and accuracy of mycobacteria detection. METHODS The purpose of this study was to evaluate a multiplex polymerase chain reaction system using mycobacterial strains as an auxiliary tool in the differential diagnosis of tuberculosis and diseases caused by nontuberculous mycobacteria (NTM) RESULTS: Forty mycobacterial strains isolated from pulmonary and extrapulmonary origin specimens from 37 patients diagnosed with tuberculosis were processed. Using phenotypic and biochemical characteristics of the 40 mycobacteria isolated in LJ medium, 57.5% (n=23) were characterized as the Mycobacterium tuberculosis complex (MTBC) and 20% (n=8) as nontuberculous mycobacteria (NTM), with 22.5% (n=9) of the results being inconclusive. When the results of the phenotypic and biochemical tests in 30 strains of mycobacteria were compared with the results of the multiplex PCR, there was 100% concordance in the identification of the MTBC and NTM species, respectively. A total of 32.5% (n=13) of the samples in multiplex PCR exhibited a molecular pattern consistent with NTM, thus disagreeing with the final diagnosis from the attending physician. CONCLUSIONS Multiplex PCR can be used as a differential method for determining TB infections caused by NTM a valuable tool in reducing the time necessary to make clinical diagnoses and begin treatment. It is also useful for identifying species that were previously not identifiable using conventional biochemical and phenotypic techniques.
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Affiliation(s)
- Andrea Santos Lima
- Departamento de Imunologia, Centro de Pesquisas Aggeu Magalhães, Fundação Oswaldo Cruz, Recife,
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Santos Lima A, Carneiro Neves MM, Machado Gomes K, Miranda Guarines K, Luna CF, Silva Duarte R, Lapa Montenegro LM, Charifker Schindler H. First case report of infection by Mycobacterium wolinskyi after mammoplasty in Brazil. Infect Dis Rep 2013; 5:e12. [PMID: 24470962 PMCID: PMC3892610 DOI: 10.4081/idr.2013.e12] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2013] [Revised: 09/09/2013] [Accepted: 09/28/2013] [Indexed: 11/30/2022] Open
Abstract
Mycobacterium wolinskyi is a rapidly growing mycobacterium, first described in 1999 as a member of the group Mycobacterium smegmatis (Mycobacterium smegmatis, Mycobacterium wolinskyi and Mycobacterium goodii). Only 19 case reports all over the world have been described on literature, none of them in Brazil. On this report, it is described one case of infection after a mammoplasty procedure performed in a private health service in the county of Recife, Pernambuco, Brazil, in 2009. The mycobacteria specie was identified using biochemical tests and sequencing the specific gene rpoB. To treat the infection by Mycobacterium wolinskyi it was necessary to combine antibiotics for a long period of time associated with surgical procedures of the breast abscesses.
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Affiliation(s)
- Andrea Santos Lima
- Department of Immunology, Aggeu Magalhães Center for Research/Fiocruz , Recif
| | | | - Karen Machado Gomes
- Institute of Microbiology, Federal University of Rio de Janeiro , Recif, Brazil
| | | | - Carlos Feitosa Luna
- Department of Public Health, Aggeu Magalhães Center for Research/Fiocruz , Recif, Brazil
| | - Rafael Silva Duarte
- Institute of Microbiology, Federal University of Rio de Janeiro , Recif, Brazil
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García-Jiménez WL, Benítez-Medina JM, Martínez R, Carranza J, Cerrato R, García-Sánchez A, Risco D, Moreno JC, Sequeda M, Gómez L, Fernández-Llario P, Hermoso-de-Mendoza J. Non-tuberculous mycobacteria in wild boar (Sus scrofa) from Southern Spain: epidemiological, clinical and diagnostic concerns. Transbound Emerg Dis 2013; 62:72-80. [PMID: 23895110 DOI: 10.1111/tbed.12083] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2012] [Indexed: 11/29/2022]
Abstract
Non-tuberculous mycobacteria (NTM) are widely distributed in the environment, particularly in wet soil, marshland, rivers or streams, but also are causative agents of a wide variety of infections in animals and humans. Little information is available regarding the NTM prevalence in wildlife and their effects or significance in the bovine tuberculosis (bTB) epidemiology and diagnosis. This research shows the most frequently NTM isolated in lymph nodes of wild boar (Sus scrofa) from southern Spain, relating the NTM presence with the individual characteristics, the management of animals and the possible misdiagnosis of Mycobacterium bovis in concurrent infections. A total of 219 NTM isolates were obtained from 1249 wild boar mandibular lymph nodes sampled between 2007 and 2011. All but 75 isolates were identified by the PCR-restriction analysis-hsp65, and a partial sequencing of the 16S rDNA was carried out to identify the rest of the isolates. Results showed that Mycobacterium chelonae was the most frequently isolated NTM specie (133 isolates, 60.7%), followed by Mycobacterium avium (24 isolates, 11%). No relation was found regarding sex, body condition and management, but M. chelonae was more frequently detected in adults, whereas M. avium was more prevalent in subadults. The high NTM prevalence observed in the studied wild boar populations could make difficult the bTB diagnostic.
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Affiliation(s)
- W L García-Jiménez
- Red de Grupos de Investigación Recursos Faunísticos, Facultad de Veterinaria, Universidad de Extremadura, Cáceres, Spain
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