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Zhu J, Haanpera M, Mentula S, Vapalahti O, Soini H, Sironen T, Kant R, Zakham F. Transmission of drug-resistant Mycobacterium tuberculosis isolates between Finnish- and foreign-born cases, 2014-2021: A molecular epidemiological study. Tuberculosis (Edinb) 2024; 146:102492. [PMID: 38364331 DOI: 10.1016/j.tube.2024.102492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 02/03/2024] [Accepted: 02/11/2024] [Indexed: 02/18/2024]
Abstract
BACKGROUND Data on the molecular epidemiology and transmission of drug-resistant Mycobacterium tuberculosis (MTB) in low-incidence settings with immigration from high-incidence settings is limited. METHOD We included 115 drug-resistant (DR) MTB isolates with whole-genome sequencing data isolated in Finland between 2014 and 2021. Potential transmission clusters were identified using a threshold of 12 single-nucleotide polymorphisms (SNPs). Highly related clusters were identified using a threshold of 5 SNPs. RESULT Of the 115 DR MTB isolates, 31 (27.0%) isolates were from Finnish-born cases and 84 (73.0%) were from foreign-born cases. The proportion of multidrug-resistant (MDR) MTB isolates (30/84, 35.7%) from foreign-born cases was higher than that of MDR MTB isolates from Finnish-born cases (8/31, 25.8%). Lineage 2 (40/115, 34.8%) and lineage 4 (40/115, 34.8%) were the most prevalent lineages. A total of 25 (21.7%) isolates were classified into eight potential transmission clusters (≤12 SNPs). Furthermore, five highly related clusters (≤5 SNPs) were identified, including three DR MTB isolates from Finnish-born cases and 14 DR isolates from foreign-born cases. CONCLUSION The risk of DR MTB transmission between Finnish- and foreign-born persons is not negligible. Further research on clustering analysis in drug-susceptible MTB is worth to inform tuberculosis management and control in low-incidence settings with increasing immigration.
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Affiliation(s)
- Jiahui Zhu
- Department of Virology, University of Helsinki, Helsinki, Finland.
| | - Marjo Haanpera
- Department of Health Security, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Silja Mentula
- Department of Health Security, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Olli Vapalahti
- Department of Virology, University of Helsinki, Helsinki, Finland; Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Hanna Soini
- Department of Health Security, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Tarja Sironen
- Department of Virology, University of Helsinki, Helsinki, Finland; Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Ravi Kant
- Department of Virology, University of Helsinki, Helsinki, Finland; Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland; Department of Tropical Parasitology, Institute of Maritime and Tropical Medicine, Medical University of Gdansk, Gdynia, Poland
| | - Fathiah Zakham
- Department of Virology, University of Helsinki, Helsinki, Finland; Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
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Benremila D, Djoudi F, Gharout-Sait A, Kheloufi S, Spitaleri A, Battaglia S, Cabibbe AM, Cirillo DM. Comprehensive Drug Resistance Characterization of Pulmonary Tuberculosis in Algeria: Insights on Mycobacterium tuberculosis Strains by Whole-Genome Sequencing. Microb Drug Resist 2023. [PMID: 37115530 DOI: 10.1089/mdr.2022.0321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023] Open
Abstract
In this study, we aimed to characterize drug-resistant strains by whole-genome sequencing (WGS), to describe the spreading lineages and the history of transmission. Drug susceptibility testing was performed by 96-well broth microdilution plates. The genomic DNA was extracted and purified; libraries were prepared and run on the Illumina NextSeq500 System. Among 82 isolates, 21 tuberculosis (TB) isolates (25.6%) were drug resistant, including 10 MDR and 4 pre-extensively drug-resistant (XDR)-TB. The mutation Ser315Thr in the katG gene was confirmed in 15 isolates. In rpoB, Ser450Leu and His445Asp mutations were the most common. Asp94Asn and Ala90Val mutations were reported in gyrA. The LAM family, the most TB drug resistant, was widely predominant in the north and the T sublineage in the south of the country. This study provides the first insight on TB drug resistance using WGS in Algeria and clearly describes the first pre-XDR-TB cases and lineage distribution across the country.
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Affiliation(s)
- Dalila Benremila
- Laboratoire d'Écologie Microbienne, Faculté des Sciences de la Nature et de la Vie, Route de Targa-Ouzemour, Université de Bejaia, Bejaia, Algeria
| | - Ferhat Djoudi
- Laboratoire d'Écologie Microbienne, Faculté des Sciences de la Nature et de la Vie, Route de Targa-Ouzemour, Université de Bejaia, Bejaia, Algeria
| | - Alima Gharout-Sait
- Laboratoire d'Écologie Microbienne, Faculté des Sciences de la Nature et de la Vie, Route de Targa-Ouzemour, Université de Bejaia, Bejaia, Algeria
| | - Slimane Kheloufi
- Laboratoire d'Écologie Microbienne, Faculté des Sciences de la Nature et de la Vie, Route de Targa-Ouzemour, Université de Bejaia, Bejaia, Algeria
| | - Andrea Spitaleri
- Emerging Bacterial Pathogens Unit, Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Simone Battaglia
- Emerging Bacterial Pathogens Unit, Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Andrea Maurizio Cabibbe
- Emerging Bacterial Pathogens Unit, Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Daniela Maria Cirillo
- Emerging Bacterial Pathogens Unit, Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
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First Insight into Diversity of Minisatellite Loci in Mycobacterium bovis/ M. caprae in Bulgaria. Diagnostics (Basel) 2023; 13:diagnostics13040771. [PMID: 36832259 PMCID: PMC9955489 DOI: 10.3390/diagnostics13040771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 02/13/2023] [Accepted: 02/15/2023] [Indexed: 02/22/2023] Open
Abstract
The aim of this study was to assess the diversity of minisatellite VNTR loci in Mycobacterium bovis/M. caprae isolates in Bulgaria and view their position within global M. bovis diversity. Forty-three M. bovis/M. caprae isolates from cattle in different farms in Bulgaria were collected in 2015-2021 and typed in 13 VNTR loci. The M. bovis and M. caprae branches were clearly separated on the VNTR phylogenetic tree. The larger and more geographically dispersed M. caprae group was more diverse than M. bovis group was (HGI 0.67 vs. 0.60). Overall, six clusters were identified (from 2 to 19 isolates) and nine orphans (all loci-based HGI 0.79). Locus QUB3232 was the most discriminatory one (HGI 0.64). MIRU4 and MIRU40 were monomorphic, and MIRU26 was almost monomorphic. Four loci (ETRA, ETRB, Mtub21, and MIRU16) discriminated only between M. bovis and M. caprae. The comparison with published VNTR datasets from 11 countries showed both overall heterogeneity between the settings and predominantly local evolution of the clonal complexes. To conclude, six loci may be recommended for primary genotyping of M. bovis/M. caprae isolates in Bulgaria: ETRC, QUB11b, QUB11a, QUB26, QUB3232, and MIRU10 (HGI 0.77). VNTR typing based on a limited number of loci appears to be useful for primary bTB surveillance.
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Comín J, Madacki J, Rabanaque I, Zúñiga-Antón M, Ibarz D, Cebollada A, Viñuelas J, Torres L, Sahagún J, Klopp C, Gonzalo-Asensio J, Brosch R, Iglesias MJ, Samper S. The MtZ Strain: Molecular Characteristics and Outbreak Investigation of the Most Successful Mycobacterium tuberculosis Strain in Aragon Using Whole-Genome Sequencing. Front Cell Infect Microbiol 2022; 12:887134. [PMID: 35685752 PMCID: PMC9173592 DOI: 10.3389/fcimb.2022.887134] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 04/11/2022] [Indexed: 11/13/2022] Open
Abstract
Since 2004, a tuberculosis surveillance protocol has been carried out in Aragon, thereby managing to detect all tuberculosis outbreaks that take place in the community. The largest outbreak was caused by a strain named Mycobacterium tuberculosis Zaragoza (MtZ), causing 242 cases as of 2020. The main objective of this work was to analyze this outbreak and the molecular characteristics of this successful strain that could be related to its greater transmission. To do this, we first applied whole-genome sequencing to 57 of the isolates. This revealed two principal transmission clusters and six subclusters arising from them. The MtZ strain belongs to L4.8 and had eight specific single nucleotide polymorphisms (SNPs) in genes considered to be virulence factors [ptpA, mc3D, mc3F, VapB41, pks15 (two SNPs), virS, and VapC50]. Second, a transcriptomic study was carried out to better understand the multiple IS6110 copies present in its genome. This allowed us to observe three effects of IS6110: the disruption of the gene in which the IS6110 is inserted (desA3), the overexpression of a gene (ppe38), and the absence of transcription of genes (cut1:Rv1765c) due to the recombination of two IS6110 copies. Finally, because of the disruption of ppe38 and ppe71 genes by an IS6110, a study of PE_PGRS secretion was carried out, showing that MtZ secretes these factors in higher amounts than the reference strain, thereby differing from the hypervirulent phenotype described for the Beijing strains. In conclusion, MtZ consists of several SNPs in genes related to virulence, pathogenesis, and survival, as well as other genomic polymorphisms, which may be implicated in its success among our population.
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Affiliation(s)
- Jessica Comín
- Grupo de Genética de Micobacterias, Instituto Aragonés de Ciencias de la Salud, Zaragoza, Spain
| | - Jan Madacki
- Unit for Integrated Mycobacterial Pathogenomics, Institut Pasteur, Université de Paris, CNRS UMR 3525, Paris, France
| | - Isabel Rabanaque
- Departamento de Geografía y Ordenación del Territorio, Universidad de Zaragoza, Zaragoza, Spain.,Instituto Universitario de Investigación en Ciencias Ambientales de Aragón, Zaragoza, Spain.,Fundación Instituto de Investigación Sanitaria (IIS) Aragón, Zaragoza, Spain
| | - María Zúñiga-Antón
- Departamento de Geografía y Ordenación del Territorio, Universidad de Zaragoza, Zaragoza, Spain.,Instituto Universitario de Investigación en Ciencias Ambientales de Aragón, Zaragoza, Spain.,Fundación Instituto de Investigación Sanitaria (IIS) Aragón, Zaragoza, Spain
| | - Daniel Ibarz
- Grupo de Genética de Micobacterias, Facultad de Medicina, Universidad de Zaragoza, Zaragoza, Spain
| | - Alberto Cebollada
- Unidad de Biocomputación, Instituto Aragonés de Ciencias de la Salud, Zaragoza, Spain
| | - Jesús Viñuelas
- Hospital Universitario Miguel Servet, Zaragoza, Spain.,Grupo de Estudio de Infecciones por Micobacterias (GEIM), Sociedad Española de Enfermedades Infecciosas y Microbiología Clínica, Madrid, Spain
| | | | - Juan Sahagún
- Hospital Clínico Universitario Lozano Blesa, Zaragoza, Spain
| | | | - Jesús Gonzalo-Asensio
- Grupo de Genética de Micobacterias, Facultad de Medicina, Universidad de Zaragoza, Zaragoza, Spain
| | - Roland Brosch
- Unit for Integrated Mycobacterial Pathogenomics, Institut Pasteur, Université de Paris, CNRS UMR 3525, Paris, France
| | - María-José Iglesias
- Fundación Instituto de Investigación Sanitaria (IIS) Aragón, Zaragoza, Spain.,Grupo de Genética de Micobacterias, Facultad de Medicina, Universidad de Zaragoza, Zaragoza, Spain.,Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Respiratorias, Madrid, Spain
| | - Sofía Samper
- Grupo de Genética de Micobacterias, Instituto Aragonés de Ciencias de la Salud, Zaragoza, Spain.,Fundación Instituto de Investigación Sanitaria (IIS) Aragón, Zaragoza, Spain.,Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Respiratorias, Madrid, Spain
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Panova AE, Vinokurov AS, Shemetova AA, Burmistrova IA, Shulgina MV, Samoilova AG, Vasilyeva IA, Vakhrusheva DV, Umpeleva TV, Eremeeva NI, Lavrenchuk LS, Golubeva LA, Danilova TI, Vasilyeva TB, Ugol'kova VA, Sosova NV, Lekhlyaider MV, Gorshkova IA, Romanova TA. Molecular characteristics of Mycobacterium tuberculosis drug-resistant isolates from HIV- and HIV+ tuberculosis patients in Russia. BMC Microbiol 2022; 22:138. [PMID: 35590243 PMCID: PMC9118847 DOI: 10.1186/s12866-022-02553-7] [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] [Received: 12/10/2021] [Accepted: 05/09/2022] [Indexed: 11/23/2022] Open
Abstract
Background High burden of drug-resistant (DR) tuberculosis (TB) is a significant threat to national TB control programs all over the world and in the Russian Federation. Different Mycobacterium tuberculosis (MTB) genotypes are hypothesized to have specific characteristics affecting TB control programs. For example, Beijing strains are supposed to have higher mutation rates compared to strains of other genotypes and subsequently higher capability to develop drug-resistance. Results Clinical MTB isolates from HIV- and HIV+ patients from four regions of Russia were analyzed for genotypes and mutations conferring resistance to Isoniazid, Rifampicin, Ethambutol, aminoglycosides, and fluoroquinolones. Analysis of genotypes and polymorphism of genomic loci according to the HIV status of the patients – sources of MTB isolates were performed. Studied MTB isolates from HIV- TB patients belonged to 15 genotypes and from HIV + TB patients – to 6 genotypes. Beijing clinical isolates dominated in HIV- (64,7%) and HIV+ (74,4%) groups. Other isolates were of LAM (including LAM1 and LAM9), Ural, and 4 minor groups of genotypes (including 5 subclones T). The spectrum of genotypes in the HIV- group was broader than in the HIV+ group. PR of B0/W148 Beijing was significantly lower than of other Beijing genotypes in susceptible and MDR-XDR isolates. Rates of isolates belonging to non-Beijing genotypes were higher than Beijing in susceptible isolates from HIV- patients. Conclusions Beijing genotype isolates prevailed in clinical isolates of all drug susceptibility profiles both from HIV- and HIV+ patients, although B0/W148 Beijing genotype did not dominate in this study. Genome loci and mutations polymorphisms were more pronounced in clinical isolates from HIV- patients, than from HIV+.
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Affiliation(s)
- Anna E Panova
- National Medical Research Center of Phthisiopulmonology and Infectious Diseases, Ministry of Public Heath of the Russian Federation (NMRC PhID), Moscow, Russian Federation
| | - Anatoliy S Vinokurov
- National Medical Research Center of Phthisiopulmonology and Infectious Diseases, Ministry of Public Heath of the Russian Federation (NMRC PhID), Moscow, Russian Federation
| | - Anastasiya A Shemetova
- National Medical Research Center of Phthisiopulmonology and Infectious Diseases, Ministry of Public Heath of the Russian Federation (NMRC PhID), Moscow, Russian Federation
| | - Irina A Burmistrova
- National Medical Research Center of Phthisiopulmonology and Infectious Diseases, Ministry of Public Heath of the Russian Federation (NMRC PhID), Moscow, Russian Federation
| | - Marina V Shulgina
- National Medical Research Center of Phthisiopulmonology and Infectious Diseases, Ministry of Public Heath of the Russian Federation (NMRC PhID), Moscow, Russian Federation.
| | - Anastasiya G Samoilova
- National Medical Research Center of Phthisiopulmonology and Infectious Diseases, Ministry of Public Heath of the Russian Federation (NMRC PhID), Moscow, Russian Federation
| | - Irina A Vasilyeva
- National Medical Research Center of Phthisiopulmonology and Infectious Diseases, Ministry of Public Heath of the Russian Federation (NMRC PhID), Moscow, Russian Federation
| | - Diana V Vakhrusheva
- Ural Research Institute of Phthisiopulmonology -Branch of NMRC PhID, Ekaterinburg, Russian Federation
| | - Tatiana V Umpeleva
- Ural Research Institute of Phthisiopulmonology -Branch of NMRC PhID, Ekaterinburg, Russian Federation
| | - Nataliya I Eremeeva
- Ural Research Institute of Phthisiopulmonology -Branch of NMRC PhID, Ekaterinburg, Russian Federation
| | - Leonid S Lavrenchuk
- Ural Research Institute of Phthisiopulmonology -Branch of NMRC PhID, Ekaterinburg, Russian Federation
| | - Lyudmila A Golubeva
- Ural Research Institute of Phthisiopulmonology -Branch of NMRC PhID, Ekaterinburg, Russian Federation
| | - Tatiana I Danilova
- Regional TB dispensary of Leningradskaya oblast, Saint Petersburg, Russian Federation
| | - Tatiana B Vasilyeva
- Regional TB dispensary of Leningradskaya oblast, Saint Petersburg, Russian Federation
| | - Vera A Ugol'kova
- Regional TB dispensary of Leningradskaya oblast, Saint Petersburg, Russian Federation
| | - Nataliya V Sosova
- Regional TB dispensary of Stavropolskiy kray, Stavropol, Russian Federation
| | - Marina V Lekhlyaider
- Regional TB dispensary of Chelyabinskaya oblast, Chelyabinsk, Russian Federation
| | - Irina A Gorshkova
- Regional TB dispensary of Chelyabinskaya oblast, Chelyabinsk, Russian Federation
| | - Tatiana A Romanova
- Regional TB dispensary of Kemerovskaya oblast, Kemerovo, Russian Federation
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Martín C, Marinova D, Aguiló N, Gonzalo-Asensio J. MTBVAC, a live TB vaccine poised to initiate efficacy trials 100 years after BCG. Vaccine 2021; 39:7277-7285. [PMID: 34238608 DOI: 10.1016/j.vaccine.2021.06.049] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 06/03/2021] [Accepted: 06/21/2021] [Indexed: 01/06/2023]
Abstract
At its 100th birthday of its first administration to a newborn, BCG has been (and continues being) an inspiration for the construction and development of hundreds of new TB vaccine candidates in the last two and a half decades. Today, 14 candidates are in clinical development inside the global TB vaccine pipeline. MTBVAC is one of these candidates. Based on a live-attenuated Mycobacterium tuberculosis clinical isolate, MTBVAC's 25 years of vaccine discovery, construction and characterisation have followed Pasteur principles, and in the process, BCG has served as a reference gold standard for establishing the safety and protective efficacy of new TB vaccine candidates. MTBVAC, which contains the antigen repertoire of M. tuberculosis, is now poised to initiate Phase 3 efficacy trials in newborns in TB-endemic countries. BCG's efficacy extends beyond that against TB, shown to confer heterologous non-specific immunity to other diseases and reduce all-cause mortality in the first months of life. Today, WHO recognises the importance that any new TB vaccine designed for administration at birth, should show similar non-specific benefits as BCG vía mechanisms of trained immunity and/or cross-reactivity of adaptive immune responses to other pathogens. Key recent studies provide strong support for MTBVAC's ability of inducing trained immunity and conferring non-specific heterologous protection similar to BCG. Research on alternative delivery routes of MTBVAC, such as a clinically feasible aerosol route, could facilitate vaccine administration for long-term TB eradication programmes in the future.
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Affiliation(s)
- Carlos Martín
- Grupo de Genética de Micobacterias, Microbiología, Facultad de Medicina Universidad de Zaragoza, Spain; CIBERES Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain; Servicio de Microbiología, Hospital Universitario Miguel Servet, ISS Aragón, Zaragoza, Spain.
| | - Dessislava Marinova
- Grupo de Genética de Micobacterias, Microbiología, Facultad de Medicina Universidad de Zaragoza, Spain; CIBERES Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
| | - Nacho Aguiló
- Grupo de Genética de Micobacterias, Microbiología, Facultad de Medicina Universidad de Zaragoza, Spain; CIBERES Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
| | - Jesús Gonzalo-Asensio
- Grupo de Genética de Micobacterias, Microbiología, Facultad de Medicina Universidad de Zaragoza, Spain; CIBERES Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
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