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Grönthal TSC, Lehto AK, Aarnio SS, Eskola EK, Aimo-Koivisto EM, Karlsson T, Koskinen HI, Barkoff AM, He Q, Lienemann T, Rimhanen-Finne R, Mykkänen A. Pastern dermatitis outbreak associated with toxigenic and non-toxigenic Corynebacterium diphtheriae and non-toxigenic Corynebacterium ulcerans at a horse stable in Finland, 2021. Zoonoses Public Health 2024; 71:127-135. [PMID: 37926867 DOI: 10.1111/zph.13090] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 10/13/2023] [Accepted: 10/21/2023] [Indexed: 11/07/2023]
Abstract
AIMS Corynebacterium diphtheriae and Corynebacterium ulcerans, when producing toxin, are the cause of diphtheria, a potentially life-threatening illness in humans. Horses (Equus ferus caballus) are known to be susceptible to infection that may manifest clinically on rare occasions. In late 2021 and early 2022, specimens from five horses suffering from pastern dermatitis were cultured at the Laboratory of Clinical Microbiology at the Faculty of Veterinary Medicine, University of Helsinki, Finland. C. diphtheriae and/or C. ulcerans were recovered from all of these. This study aimed to (1) analyse the bacterial isolates and (2) describe the outbreak and identify possible sources of the infection and infection routes in the stable. METHODS AND RESULTS Susceptibility testing, PCR for the tox gene, and Elek test for toxin production in PCR-positive isolates were performed. Whole genome sequencing was also conducted to achieve high-resolution strain typing. An epidemiological survey was done by means of a semi-structured interview of horses' caretaker, and contact tracing was done among people at the stable. Two tox gene-positive, toxin-producing C. diphtheriae belonged to sequence type (ST) 822. Other C. diphtheriae (n = 2, ST828) and C. ulcerans (n = 2, ST325 and ST838) isolates did not carry the tox gene. The epidemiological investigation explored numerous possible routes of transmission, but the definite source of infection was not identified. All established human contacts tested negative for diphtheriae. All horses recovered after antimicrobial treatment. CONCLUSIONS Our study shows that C. diphtheriae and C. ulcerans may readily spread among horses at the same stable and complicate pastern dermatitis infections. These potentially zoonotic bacteria can cause outbreaks even in a country with a very low prevalence. Caretakers should be encouraged to wear gloves and practice good hand hygiene when treating infected skin lesions in horses.
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Affiliation(s)
- Thomas Sven Christer Grönthal
- Animal Health Diagnostics Unit, Finnish Food Authority, Helsinki, Finland
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Anna Karoliina Lehto
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Sanna Sofia Aarnio
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Eva Katarina Eskola
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Elina Marjaana Aimo-Koivisto
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Teemu Karlsson
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Heli Irmeli Koskinen
- Infectious Disease Control and Vaccinations Unit, Department of Health Security, Finnish Institute of Health and Welfare, Helsinki, Finland
| | - Alex-Mikael Barkoff
- Institute of Biomedicine, Research Center for Infections and Immunity, University of Turku, Turku, Finland
| | - Qiushui He
- Institute of Biomedicine, Research Center for Infections and Immunity, University of Turku, Turku, Finland
| | - Taru Lienemann
- Animal Health Diagnostics Unit, Finnish Food Authority, Helsinki, Finland
| | - Ruska Rimhanen-Finne
- Infectious Disease Control and Vaccinations Unit, Department of Health Security, Finnish Institute of Health and Welfare, Helsinki, Finland
| | - Anna Mykkänen
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
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Di Donato A, Gambi L, Ravaioli V, Perulli S, Cirasella L, Rossini R, Luppi A, Tosi G, Fiorentini L. First Report of Caseous Lymphadenitis by Corynebacterium pseudotubercolosis and Pulmonary Verminosis in a Roe Deer ( Capreolus capreolus Linnaeus, 1758) in Italy. Animals (Basel) 2024; 14:566. [PMID: 38396534 PMCID: PMC10885920 DOI: 10.3390/ani14040566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 02/02/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
Caseous lymphadenitis is a chronic debilitating disease typical of small ruminants, but it is also noted in several other domestic and wild species. In this report, we present the first documented case in Italy of pseudotuberculosis in a roe deer (Capreolus capreolus, Linnaeus 1758) found dead in the mountains of Forlì-Cesena province, Emilia Romagna region. The carcass underwent necropsy according to standard protocols, revealing generalized lymphadenopathy and severe apostematous pneumonia with multifocal and encapsulated abscesses. Corynebacterium pseudotuberculosis was isolated from the lung parenchyma, lymph nodes and abscesses. Additionally, severe parasitic bronchopneumonia of the caudal lobes and gastrointestinal strongyle infestation were detected. To our knowledge, this is the first documented case of CLA referable to C. pseudotubercolosis in a roe deer in Italy.
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Affiliation(s)
- Alessandra Di Donato
- Istituto Zooprofilattico Sperimentale Della Lombardia e dell’Emilia Romagna (IZSLER), 47122 Forlì, Italy; (A.D.D.); (L.G.); (V.R.); (S.P.); (R.R.); (G.T.); (L.F.)
| | - Lorenzo Gambi
- Istituto Zooprofilattico Sperimentale Della Lombardia e dell’Emilia Romagna (IZSLER), 47122 Forlì, Italy; (A.D.D.); (L.G.); (V.R.); (S.P.); (R.R.); (G.T.); (L.F.)
| | - Valentina Ravaioli
- Istituto Zooprofilattico Sperimentale Della Lombardia e dell’Emilia Romagna (IZSLER), 47122 Forlì, Italy; (A.D.D.); (L.G.); (V.R.); (S.P.); (R.R.); (G.T.); (L.F.)
| | - Simona Perulli
- Istituto Zooprofilattico Sperimentale Della Lombardia e dell’Emilia Romagna (IZSLER), 47122 Forlì, Italy; (A.D.D.); (L.G.); (V.R.); (S.P.); (R.R.); (G.T.); (L.F.)
| | - Letizia Cirasella
- Istituto Zooprofilattico Sperimentale Della Lombardia e dell’Emilia Romagna (IZSLER), 47122 Forlì, Italy; (A.D.D.); (L.G.); (V.R.); (S.P.); (R.R.); (G.T.); (L.F.)
| | - Rachele Rossini
- Istituto Zooprofilattico Sperimentale Della Lombardia e dell’Emilia Romagna (IZSLER), 47122 Forlì, Italy; (A.D.D.); (L.G.); (V.R.); (S.P.); (R.R.); (G.T.); (L.F.)
| | - Andrea Luppi
- Istituto Zooprofilattico Sperimentale Della Lombardia e dell’Emilia Romagna (IZSLER), 43126 Parma, Italy;
| | - Giovanni Tosi
- Istituto Zooprofilattico Sperimentale Della Lombardia e dell’Emilia Romagna (IZSLER), 47122 Forlì, Italy; (A.D.D.); (L.G.); (V.R.); (S.P.); (R.R.); (G.T.); (L.F.)
| | - Laura Fiorentini
- Istituto Zooprofilattico Sperimentale Della Lombardia e dell’Emilia Romagna (IZSLER), 47122 Forlì, Italy; (A.D.D.); (L.G.); (V.R.); (S.P.); (R.R.); (G.T.); (L.F.)
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Meng W, Chen S, Huang L, Yang J, Zhang W, Zhong Z, Zhou Z, Liu H, Fu H, He T, Peng G. Isolation, characterization, and pathogenicity assessment of Corynebacterium pseudotuberculosis biovar equi strains from alpacas ( Vicugna pacos) in China. Front Microbiol 2023; 14:1206187. [PMID: 37465023 PMCID: PMC10350510 DOI: 10.3389/fmicb.2023.1206187] [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: 04/15/2023] [Accepted: 06/15/2023] [Indexed: 07/20/2023] Open
Abstract
Corynebacterium pseudotuberculosis is a zoonotic pathogen that causes lymphadenitis in humans, livestock, and wildlife. In this study, C. pseudotuberculosis biovar equi strains were isolated from three alpacas. Antibiotic susceptibility tests and pathogenicity tests were also conducted. Moreover, one strain was sequenced using DNBSEQ and Oxford Nanopore technology. The three strains exhibited resistance to aztreonam, fosfomycin, and nitrofurantoin. The median lethal doses (LD50) of strains G1, S2 and BA3 in experimentally infected mice was 1.66 × 105 CFU, 3.78 × 105 CFU and 3.78 × 105 CFU, respectively. The sequencing of strain G1 resulted in the assembly of a chromosomal scaffold comprising 2,379,166 bp with a G + C content of 52.06%. Genome analysis of strain G1 revealed the presence of 48 virulence genes and 5 antibiotic resistance genes (ARGs). Comparative genomic analysis demonstrates a high degree of genetic similarity among C. pseudotuberculosis strains, in contrast to other Corynebacterium species, with a clear delineation between strains belonging to the two biovars (ovis and equi). The data of the present study contribute to a better understanding of the properties of C. pseudotuberculosis biovar equi strains and the potential risk they pose to alpacas and other livestock, as well as the necessity of ongoing surveillance and monitoring of infectious diseases in animals.
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Affiliation(s)
- Wanyu Meng
- The Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Shanyu Chen
- The Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Lin Huang
- The Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Jinpeng Yang
- The Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Wenqing Zhang
- The Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Zhijun Zhong
- The Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Ziyao Zhou
- The Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Haifeng Liu
- The Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Hualin Fu
- The Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Tingmei He
- Sichuan Wolong National Natural Reserve Administration, Wenchuan, Sichuan, China
| | - Guangneng Peng
- The Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China
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Viana MVC, Galdino JH, Profeta R, Oliveira M, Tavares L, de Castro Soares S, Carneiro P, Wattam AR, Azevedo V. Analysis of Corynebacterium silvaticum genomes from Portugal reveals a single cluster and a clade suggested to produce diphtheria toxin. PeerJ 2023; 11:e14895. [PMID: 36919166 PMCID: PMC10008321 DOI: 10.7717/peerj.14895] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 01/24/2023] [Indexed: 03/11/2023] Open
Abstract
Background Corynebacterium silvaticum is a pathogenic, gram-positive bacterial species that causes caseous lymphadenitis in wild boars, domestic pigs and roe deer in Western Europe. It can affect animal production and cause zoonosis. Genome analysis has suggested that one strain from Portugal and one from Austria could probably produce the diphtheria toxin (DT), which inhibits protein synthesis and can cause death. Methods To further investigate the species genetic diversity and probable production of DT by Portuguese strains, eight isolates from this country were sequenced and compared to 38 public ones. Results Strains from Portugal are monophyletic, nearly identical, form a unique cluster and have 27 out of 36 known Corynebacterium virulence or niche factors. All of them lack a frameshift in the tox gene and were suggested to produce DT. A phylogenetic analysis shows that the species has diverged into two clades. Clade 1 is composed of strains that were suggested to have the ability to produce DT, represented by the monophyletic strains from Portugal and strain 05-13 from Austria. Clade 2 is composed of strains unable to produce DT due to a frameshifted tox gene. The second clade is represented by strains from Austria, Germany and Switzerland. Ten genome clusters were detected, in which strains from Germany are the most diverse. Strains from Portugal belong to an exclusive cluster. The pangenome has 2,961 proteins and is nearly closed (α = 0.968). Exclusive genes shared by clusters 1 and 2, and Portuguese strains are probably not related to disease manifestation as they share the same host but could play a role in their extra-host environmental adaptation. These results show the potential of the species to cause zoonosis, possibly diphtheria. The identified clusters, exclusively shaded genes, and exclusive STs identified in Portugal could be applied in the identification and epidemiology of the species.
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Affiliation(s)
- Marcus Vinicius Canario Viana
- Department of Genetics, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - José Henrique Galdino
- Department of Biological Sciences, State University of Southwest of Bahia, Jequié, Bahia, Brazil
| | - Rodrigo Profeta
- Department of Genetics, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Manuela Oliveira
- Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
| | - Luís Tavares
- Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
| | - Siomar de Castro Soares
- Department of Immunology, Microbiology and Parasitology, Institute of Biological Sciences and Natural Sciences, Federal University of Triângulo Mineiro, Uberaba, Minas Gerais, Brazil
| | - Paulo Carneiro
- Department of Biological Sciences, State University of Southwest of Bahia, Jequié, Bahia, Brazil
| | - Alice Rebecca Wattam
- Biocomplexity Institute, University of Virginia, Charlottesville, VA, United States of America
| | - Vasco Azevedo
- Department of Genetics, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
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Pathirana HNKS, Cho HS, Cho YI, Kim CL, Wimalasena SHMP, Rajapaksha LGTG, Gunasekara ACWR, Kim CH, Seo BJ, Moon SH, Park JH, Shin GW. Molecular characterization and antimicrobial susceptibility of Corynebacterium pseudotuberculosis isolated from skin abscesses of native Korean goats (Capra hircus coreanae). J Appl Microbiol 2022; 133:2074-2082. [PMID: 35737750 DOI: 10.1111/jam.15683] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 06/08/2022] [Accepted: 06/15/2022] [Indexed: 11/28/2022]
Abstract
AIMS This study aimed to investigate the molecular characterization and antimicrobial susceptibility of C. pseudotuberculosis from skin abscesses of Korean native black goats (KNBG, Capra hircus coreanae) in South Korea. METHODS AND RESULTS A total of 83 isolates were recovered from skin abscesses of KNBG. Of these isolates, 74 isolates were identified as C. pseudotuberculosis by phospholipase D (PLD) gene-based PCR assay. Each of the isolates possessed all 18 virulence genes (FagA, FagB, FagC, FagD, SigE, SpaC, SodC, PknG, NanH, OppA, OppB, OppC, OppD, OppF, CopC, NrdH and CpaE). The genetic diversity of C. pseudotuberculosis isolates was assessed by the phylogenetic analysis using the concatenated sequences (3,073 bp) of five housekeeping genes (fusA, dnaK, infB, groeL1, and leuA) for investigating their genetic diversity. In the results, the isolates belonged to three groups: group 1 (67 isolates), group 2 (one isolate), and group 3 (six isolates) within biovar ovis. However, the groups exhibited low genetic diversity (0.20~0.41%). In the antimicrobial susceptibility test, most isolates were susceptible to tetracycline, vancomycin, chloramphenicol, ciprofloxacin, erythromycin, enrofloxacin, cefoxitin, ampicillin, gentamycin, cephalothin, and doxycycline, whereas they were not susceptible to cefotaxime, trimethoprim, and streptomycin. CONCLUSION This results suggest the involvement of relatively few clones of C. pseudotuberculosis in Korea. Further, present isolates can threaten public health due to potentially virulent strains with all 18 virulence genes and non-susceptible strains to clinically important antibiotics (CIA) and highly important antibiotics (HIA). SIGNIFICANCE AND IMPACT OF THE STUDY This study is the first to investigate the genetic diversity and potential pathogenicity of C. pseudotuberculosis biovar ovis isolates from skin abscesses of KBNG in South Korea, and could provide useful information in controlling its infections.
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Affiliation(s)
- H N K S Pathirana
- Bio-Safety Research Institute, College of Veterinary Medicine, Jeonbuk National University, Iksan, Republic of Korea
| | - Ho-Seong Cho
- Bio-Safety Research Institute, College of Veterinary Medicine, Jeonbuk National University, Iksan, Republic of Korea
| | - Yong-Il Cho
- Department of Animal Science and Technology, Sunchon National University, Jeonnam, Republic of Korea
| | - Chan-Lan Kim
- Animal Genetic Resources Research Center, National Institute of Animal Science, RDA, Namwon, Republic of Korea
| | - S H M P Wimalasena
- Bio-Safety Research Institute, College of Veterinary Medicine, Jeonbuk National University, Iksan, Republic of Korea
| | - L G T G Rajapaksha
- Bio-Safety Research Institute, College of Veterinary Medicine, Jeonbuk National University, Iksan, Republic of Korea
| | - A C W R Gunasekara
- Bio-Safety Research Institute, College of Veterinary Medicine, Jeonbuk National University, Iksan, Republic of Korea
| | - Chong-Han Kim
- Vaccine team, Woogene B&G Co., LTD., Seoul, Republic of Korea
| | - Byoung-Joo Seo
- Vaccine team, Woogene B&G Co., LTD., Seoul, Republic of Korea
| | - Sung-Hyun Moon
- Bio-Safety Research Institute, College of Veterinary Medicine, Jeonbuk National University, Iksan, Republic of Korea
| | - Jin-Ho Park
- Bio-Safety Research Institute, College of Veterinary Medicine, Jeonbuk National University, Iksan, Republic of Korea
| | - Gee-Wook Shin
- Bio-Safety Research Institute, College of Veterinary Medicine, Jeonbuk National University, Iksan, Republic of Korea
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Viana MVC, Profeta R, da Silva AL, Hurtado R, Cerqueira JC, Ribeiro BFS, Almeida MO, Morais-Rodrigues F, Soares SDC, Oliveira M, Tavares L, Figueiredo H, Wattam AR, Barh D, Ghosh P, Silva A, Azevedo V. Taxonomic classification of strain PO100/5 shows a broader geographic distribution and genetic markers of the recently described Corynebacterium silvaticum. PLoS One 2020; 15:e0244210. [PMID: 33347470 PMCID: PMC7751848 DOI: 10.1371/journal.pone.0244210] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 12/04/2020] [Indexed: 12/19/2022] Open
Abstract
The bacterial strain PO100/5 was isolated from a skin abscess taken from a pig (Sus scrofa domesticus) in the Alentejo region of southern Portugal. It was identified as Corynebacterium pseudotuberculosis using biochemical tests, multiplex PCR and Pulsed Field Gel Electrophoresis. After genome sequencing and rpoB phylogeny, the strain was classified as C. ulcerans. To better understand the taxonomy of this strain and improve identification methods, we compared strain PO100/5 to other publicly available genomes from C. diphtheriae group. Taxonomic analysis reclassified it and three others strains as the recently described C. silvaticum, which have been isolated from wild boar and roe deer in Germany and Austria. The results showed that PO100/5 is the first sequenced genome of a C. silvaticum strain from livestock and a different geographical region, has the unique sequence type ST709, and could be could produce the diphtheriae toxin, along with strain 05–13. Genomic analysis of PO100/5 showed four prophages, and eight conserved genomic islands in comparison to C. ulcerans. Pangenome analysis of 38 C. silvaticum and 76 C. ulcerans genomes suggested that C. silvaticum is a genetically homogeneous species, with 73.6% of its genes conserved and a pangenome near to be closed (α > 0.952). There are 172 genes that are unique to C. silvaticum in comparison to C. ulcerans. Most of these conserved genes are related to nutrient uptake and metabolism, prophages or immunity against them, and could be genetic markers for species identification. Strains PO100/5 (livestock) and KL0182T (wild boar) were predicted to be potential human pathogens. This information may be useful for identification and surveillance of this pathogen.
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Affiliation(s)
- Marcus Vinicius Canário Viana
- Department of Genetics, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
- Department of Genetics, Institute of Biological Sciences, Federal University of Pará, Belém, Pará, Brazil
| | - Rodrigo Profeta
- Department of Genetics, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Alessandra Lima da Silva
- Department of Genetics, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Raquel Hurtado
- Department of Genetics, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Janaína Canário Cerqueira
- Department of Genetics, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Bruna Ferreira Sampaio Ribeiro
- Department of Genetics, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Marcelle Oliveira Almeida
- Department of Genetics, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Francielly Morais-Rodrigues
- Department of Genetics, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Siomar de Castro Soares
- Department of Immunology, Microbiology and Parasitology, Institute of Biological Sciences and Natural Sciences, Federal University of Triângulo Mineiro, Uberaba, Minas Gerais, Brazil
| | - Manuela Oliveira
- Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisboa, Portugal
| | - Luís Tavares
- Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisboa, Portugal
| | - Henrique Figueiredo
- National Reference Laboratory of Aquatic Animal Disease, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Alice Rebecca Wattam
- Biocomplexity Institute, University of Virginia, Charlottesville, Virginia, United States of America
| | - Debmalya Barh
- Institute of Integrative Omics and Applied Biotechnology, Purba Medinipur, West Bengal, India
| | - Preetam Ghosh
- Department of Computer Science, Virginia Commonwealth University, Richmond, Virginia, United States of America
| | - Artur Silva
- Department of Genetics, Institute of Biological Sciences, Federal University of Pará, Belém, Pará, Brazil
| | - Vasco Azevedo
- Department of Genetics, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
- * E-mail:
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Cardoso-Toset F, Gómez-Laguna J, Gómez-Gascón L, Rodríguez-Gómez IM, Galán-Relaño A, Carrasco L, Tarradas C, Vela AI, Luque I. Histopathological and microbiological study of porcine lymphadenitis: contributions to diagnosis and control of the disease. Porcine Health Manag 2020; 6:36. [PMID: 33292778 PMCID: PMC7716504 DOI: 10.1186/s40813-020-00172-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 10/13/2020] [Indexed: 11/10/2022] Open
Abstract
Tuberculosis like lesions (TBL) in free-range pigs are characterised by presenting a marked heterogeneity in pathology and microbiology features, with a notorious role of Mycobacterium tuberculosis complex (MTC), Trueperella pyogenes and different Streptococcus species. However, the capacity of these microorganism to spread to different organic cavities leading to a generalised disease is unknown. Therefore, this study evaluated the organic distribution of these agents in free-range pig carcasses whole condemned due to generalised TBL. A total of 37 totally condemned animals were analysed, and samples of lymph nodes and organs were obtained (n = 262) and subjected to histopathological and microbiological examination. In addition, T. pyogenes and streptococci species were further characterised by PFGE analysis. Two different patterns were evidenced with lack or occasional lesions in superficial inguinal (SILN) and popliteal (PLN) lymph nodes and advanced lesions in submandibular (SLN) (35/36) and gastrohepatic (GHLN) (33/35) lymph nodes (stages III and IV). Early stage granulomas (stage I and II) prevailed in lungs (16/20), liver (14/31) and spleen (7/18). The microbiological analysis revealed that MTC, detected by qPCR, was present in 31 out of 37 animals and 90 (90/262) samples. In 26 out of the 31 pigs, MTC was detected from two or more organs. SLN (24/31) and GHLN (19/31) were the MTC+ organs most frequently detected, with 29 out of 31 MTC+ pigs detected as positive in one or both samples, which points out that both lymph nodes must be included in the sampling of surveillance programs. Other pathogens, such as T. pyogenes and Streptococcus spp., were also involved in generalised lymphadenitis, being frequently isolated from SLN and other organs, such as liver (T. pyogenes), tonsils or lung (Streptococcus spp.). A wide genetic diversity among streptococci was observed, showing the ubiquitous character of these pathogens, however, the isolation of a single clone of T. pyogenes from different organic locations from animals with generalised TBL was a common finding of this study, highlighting that the role of this pathogen in porcine lymphadenitis may be underestimated. These results should be considered in future studies on the pathogenesis and control of porcine lymphadenitis.
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Affiliation(s)
| | - Jaime Gómez-Laguna
- Department of Anatomy and Comparative Pathology, University of Córdoba, International Excellence Agrifood Campus 'CeiA3', 14071, Córdoba, Spain
| | - Lidia Gómez-Gascón
- Department of Animal Health, University of Córdoba, International Excellence Agrifood Campus 'CeiA3', 14071, Córdoba, Spain
| | - Irene M Rodríguez-Gómez
- Department of Anatomy and Comparative Pathology, University of Córdoba, International Excellence Agrifood Campus 'CeiA3', 14071, Córdoba, Spain
| | - Angela Galán-Relaño
- Department of Animal Health, University of Córdoba, International Excellence Agrifood Campus 'CeiA3', 14071, Córdoba, Spain
| | - Librado Carrasco
- Department of Anatomy and Comparative Pathology, University of Córdoba, International Excellence Agrifood Campus 'CeiA3', 14071, Córdoba, Spain
| | - Carmen Tarradas
- Department of Animal Health, University of Córdoba, International Excellence Agrifood Campus 'CeiA3', 14071, Córdoba, Spain
| | - Ana I Vela
- Department of Animal Health, Faculty of Veterinary Medicine, Complutense University, Madrid, Spain.,VISAVET Health Surveillance Centre, Faculty of Veterinary Medicine, Complutense University, Madrid, Spain
| | - Inmaculada Luque
- Department of Animal Health, University of Córdoba, International Excellence Agrifood Campus 'CeiA3', 14071, Córdoba, Spain.
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8
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Georgakopoulou T, Tryfinopoulou K, Doudoulakakis A, Nikolaou F, Magaziotou I, Flountzi A, Fry NK, Litt DJ, Damala M, Spiliopoulou I, Liatsi-Douvitsa E, Lebessi E, Panayiotakopoulos G, Tsolia M, Saroglou G, Theodoridou M, Tsiodras S, Efstratiou A. A patient with respiratory toxigenic diphtheria in Greece after more than 30 years. Epidemiol Infect 2020; 148:e274. [PMID: 33109284 PMCID: PMC7770372 DOI: 10.1017/s0950268820002605] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 08/28/2020] [Accepted: 10/02/2020] [Indexed: 11/06/2022] Open
Abstract
The introduction of treatment and systematic vaccination has significantly reduced diphtheria mortality; however, toxigenic strains continue to circulate worldwide. The emergence of an indigenous diphtheria case with fatal outcome in Greece, after 30 years, raised challenges for laboratory confirmation, clinical and public health management. Toxigenic Corynebacterium diphtheriae was isolated from an incompletely vaccinated 8-year-old boy with underlying conditions. The child passed away due to respiratory distress syndrome, before the administration of diphtheria antitoxin (DAT). All close contacts in family, school and hospital settings were investigated. Pharyngeal swabs were obtained to determine asymptomatic carriage. Chemoprophylaxis was given for 7 days to all close contacts and a booster dose to those incompletely vaccinated. Testing revealed a classmate, belonging to a subpopulation group (Roma), and incompletely vaccinated, as an asymptomatic carrier with an indistinguishable toxigenic strain (same novel multilocus sequence type, designated ST698). This case highlights the role of asymptomatic carriage, as the entry of toxigenic strains into susceptible populations can put individuals and their environment at risk. Maintenance of high-level epidemiological and microbiological surveillance, implementation of systematic vaccination in children and adults with primary and booster doses, availability of a DAT stockpile, and allowing timely administration are the cornerstone to prevent similar incidents in the future.
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Affiliation(s)
- T. Georgakopoulou
- Department for Vaccine Preventable Diseases & Congenital Diseases, National Public Health Organization (NPHO), Athens, Greece
| | - K. Tryfinopoulou
- Central Public Health Laboratory, National Public Health Organization (NPHO), Athens, Greece
| | - A. Doudoulakakis
- Department of Microbiology, P. & A. Kyriakou Children's Hospital, Athens, Greece
| | - F. Nikolaou
- Paediatric Intensive Care Unit, P. & A. Kyriakou Children's Hospital, Athens, Greece
| | - I. Magaziotou
- Department for Vaccine Preventable Diseases & Congenital Diseases, National Public Health Organization (NPHO), Athens, Greece
| | - A. Flountzi
- Central Public Health Laboratory, National Public Health Organization (NPHO), Athens, Greece
| | - N. K. Fry
- WHO Global Collaborating Centre for Reference and Research on Diphtheria and Streptococcal Infections, Reference Microbiology Division, National Infection Service, Public Health England, London, UK
- Immunisation and Countermeasures Division, Public Health England – National Infection Service, London, UK
| | - D. J Litt
- WHO Global Collaborating Centre for Reference and Research on Diphtheria and Streptococcal Infections, Reference Microbiology Division, National Infection Service, Public Health England, London, UK
| | - M. Damala
- Department of Microbiology, P. & A. Kyriakou Children's Hospital, Athens, Greece
| | - I. Spiliopoulou
- Central Public Health Laboratory, National Public Health Organization (NPHO), Athens, Greece
| | - E. Liatsi-Douvitsa
- Research Unit of Advanced Composite Nano Materials & Nanotechnology, School of Chemical Engineering, National Technical University of Athens, Athens, Greece
| | - E. Lebessi
- Department of Microbiology, P. & A. Kyriakou Children's Hospital, Athens, Greece
| | | | - M. Tsolia
- 2nd Department of Paediatrics, National and Kapodistrian University of Athens School of Health Sciences, Greece
| | - G. Saroglou
- Internal Medicine Department, Metropolitan Hospital, Athens, Greece
| | - M. Theodoridou
- First Department of Pediatrics, Aghia Sophia Children's Hospital, University of Athens, Greece
| | - S. Tsiodras
- National Public Health Organization (NPHO), Athens, Greece
- 4th Department of Internal Medicine, Attikon University Hospital, Medical School, National and Kapodistrian University of Athens, Greece
| | - A. Efstratiou
- WHO Global Collaborating Centre for Reference and Research on Diphtheria and Streptococcal Infections, Reference Microbiology Division, National Infection Service, Public Health England, London, UK
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9
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Möller J, Schorlemmer S, Hofmann J, Burkovski A. Cellular and Extracellular Proteome of the Animal Pathogen Corynebacterium silvaticum, a Close Relative of Zoonotic Corynebacterium ulcerans and Corynebacterium pseudotuberculosis. Proteomes 2020; 8:proteomes8030019. [PMID: 32806579 PMCID: PMC7564913 DOI: 10.3390/proteomes8030019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 08/03/2020] [Accepted: 08/10/2020] [Indexed: 01/22/2023] Open
Abstract
Corynebacterium silvaticum is a newly described animal pathogen, closely related to the emerging human pathogen Corynebacterium ulcerans and Corynebacterium pseudotuberculosis, a major pathogen of small ruminants. In this study, proteins of a whole cell and a shaving fraction and the exoproteome of C. silvaticum strain W25 were analyzed as a first proteome study of this species. In total, 1305 proteins were identified out of 2013 proteins encoded by the W25 genome sequence and number of putative virulence factors were detected already under standard growth conditions including phospholipase D and sialidase. An up to now uncharacterized trypsin-like protease is by far the most secreted protein in this species, indicating a putative role in pathogenicity. Furthermore, the proteome analyses carried out in this study support the recently published taxonomical delineation of C. silvaticum from the closely related zoonotic Corynebacterium species.
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Affiliation(s)
- Jens Möller
- Microbiology Division, Department of Biology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Staudtstr. 5, 91058 Erlangen, Germany; (J.M.); (S.S.)
| | - Svenja Schorlemmer
- Microbiology Division, Department of Biology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Staudtstr. 5, 91058 Erlangen, Germany; (J.M.); (S.S.)
| | - Jörg Hofmann
- Biochemistry Division, Department of Biology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Staudtstr. 5, 91058 Erlangen, Germany;
| | - Andreas Burkovski
- Microbiology Division, Department of Biology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Staudtstr. 5, 91058 Erlangen, Germany; (J.M.); (S.S.)
- Correspondence: ; Tel.: +49-9131-85-28086
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10
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Dangel A, Berger A, Rau J, Eisenberg T, Kämpfer P, Margos G, Contzen M, Busse HJ, Konrad R, Peters M, Sting R, Sing A. Corynebacterium silvaticum sp. nov., a unique group of NTTB corynebacteria in wild boar and roe deer. Int J Syst Evol Microbiol 2020; 70:3614-3624. [PMID: 32368999 DOI: 10.1099/ijsem.0.004195] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
A total of 34 Corynebacterium sp. strains were isolated from caseous lymph node abscesses of wild boar and roe deer in different regions of Germany. They showed slow growth on Columbia sheep blood agar and sparse growth on Hoyle's tellurite agar. Cellular fatty acid analysis allocated them in the C. diphtheriae group of genus Corynebacterium. MALDI-TOF MS using specific database extensions and rpoB sequencing resulted in classification as C. ulcerans. Their quinone system is similar to C. ulcerans, with major menaquinone MK-8(H2). Their complex polar lipid profile includes major lipids phosphatidylinositol, phosphatidylinositol-mannoside, diphosphatidylglycerol, but also unidentified glycolipids, distinguishing them clearly from C. ulcerans. They ferment glucose, ribose and maltose (like C. ulcerans), but do not utilise d-xylose, mannitol, lactose, sucrose and glycogen (like C. pseudotuberculosis). They showed activity of catalase, urease and phospholipase D, but variable results for alkaline phosphatase and alpha-glucosidase. All were non-toxigenic, tox gene bearing and susceptible to clindamycin, penicillin and erythromycin. In 16SrRNA gene and RpoB protein phylogenies the strains formed distinct brancheswith C. ulcerans as nearest relative.Whole genome sequencing revealed the unique sequence type 578, a distinctbranch in pangenomic core genome MLST, average nucleotide identities <91%, enhancedgenome sizes (2.55 Mbp) and G/C content (54.4 mol%) compared to related species.These results suggest that the strains represent a novel species, for which wepropose the name Corynebactriumsilvaticum sp. nov., based on their first isolation from forest-dwellinggame animals. The type strain isKL0182T (= CVUAS 4292T = DSM 109166T = LMG 31313T= CIP 111 672T).
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Affiliation(s)
- Alexandra Dangel
- Bavarian Health and Food Safety Authority, Oberschleißheim, Germany
| | - Anja Berger
- Germany National Consiliary Laboratory for Diphtheria, Oberschleißheim, Germany
- Bavarian Health and Food Safety Authority, Oberschleißheim, Germany
| | - Jörg Rau
- Chemisches und Veterinäruntersuchungsamt Stuttgart (CVUAS), Fellbach, Germany
| | | | - Peter Kämpfer
- Institut für Angewandte Mikrobiologie, Justus-Liebig-Universität Gießen, Gießen, Germany
| | - Gabriele Margos
- Bavarian Health and Food Safety Authority, Oberschleißheim, Germany
| | - Matthias Contzen
- Chemisches und Veterinäruntersuchungsamt Stuttgart (CVUAS), Fellbach, Germany
| | - Hans-Jürgen Busse
- Institute of Microbiology, University of Veterinary Medicine Vienna, Austria
| | - Regina Konrad
- Bavarian Health and Food Safety Authority, Oberschleißheim, Germany
| | - Martin Peters
- Chemisches und Veterinäruntersuchungsamt Westfalen, Arnsberg, Germany
| | - Reinhard Sting
- German Consiliary Laboratory for Corynebacterium pseudotuberculosis, Fellbach, Germany
- Chemisches und Veterinäruntersuchungsamt Stuttgart (CVUAS), Fellbach, Germany
| | - Andreas Sing
- Germany National Consiliary Laboratory for Diphtheria, Oberschleißheim, Germany
- Bavarian Health and Food Safety Authority, Oberschleißheim, Germany
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11
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Costa L, Huerta B, Galán-Relaño Á, Gómez-Gascón L, Almeida A, Viegas I, Maldonado A. Utility assessment of an Enzyme-linked immunosorbent assay for detection of subclinical cases of caseous lymphadenitis in small ruminant flocks. Vet Med Sci 2020; 6:796-803. [PMID: 32567811 PMCID: PMC7738729 DOI: 10.1002/vms3.297] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Revised: 03/11/2020] [Accepted: 05/22/2020] [Indexed: 12/20/2022] Open
Abstract
The actual prevalence of CLA (caseous lymphadenitis) in small ruminant flocks is underestimated in many countries, and because it is not a notifiable disease, it will continue to spread without data and information about its real economic impact. The difficulty in the accurate identification of the causative agent in internal subclinical cases allows the disease to spread within and between flocks. This research intends to assess the utility of an ELISA (enzyme‐linked immunosorbent assay) test in the detection of internal subclinical cases of CLA in farms and to simultaneously add data on the seroprevalence of the disease in Portugal. Sera from 756 small ruminants, 70% sheep (528/756) and 30% goats (228/756) were screened for antibodies against Corynebacterium pseudotuberculosis using the ELISA technique based on a recombinant phospholipase D (ELITEST CLA # CK105A®). The animals showing internal lesions (n ꞊ 58) were sampled for the identification of the aetiological agent. In this investigation, the prevalence of CLA was 34% (258/756), with the ELISA test showing a low specificity (78%) and high sensitivity (100%). The proof was able to detect 57% (13/23) of subclinical cases of CLA confirmed by postmortem examination and conventional PCR (polymerase chain reaction). The results also reveal that goats have a higher propensity for the disease, and dairy farms and non‐extensive production units appear to be more susceptible to CLA. This research clarifies an actual problem and pointed out the importance of CLA in small ruminant herds in Portugal. Finally seems to demonstrate that the ELISA test is a good diagnostic tool for use in CLA eradication programmes.
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Affiliation(s)
- Lina Costa
- Department of Agrarian and Veterinary Sciences, Agrarian School of Elvas, Polytechnic Institute of Portalegre, Portalegre, Portugal
| | - Belén Huerta
- Department of Animal Health, Faculty of Veterinary Medicine, University of Córdoba, Cordoba, Spain
| | - Ángela Galán-Relaño
- Department of Animal Health, Faculty of Veterinary Medicine, University of Córdoba, Cordoba, Spain
| | - Lídia Gómez-Gascón
- Department of Animal Health, Faculty of Veterinary Medicine, University of Córdoba, Cordoba, Spain
| | - Anabela Almeida
- Vetdiagnos, Veterinary Diagnostic Laboratory, Cantanhede, Portugal
| | - Inês Viegas
- ICAAM - Institute of Mediterranean Agricultural and Environmental Sciences, Institute of Advanced Research and Training, University of Évora, Évora, Portugal
| | - Alfonso Maldonado
- Department of Animal Health, Faculty of Veterinary Medicine, University of Córdoba, Cordoba, Spain
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12
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Diren Sigirci B, Alabas B, Halac B, Yuksel HT, Ikiz S. An abscess caused by Corynebacterium pseudotuberculosis in a Budgett’s frog (Lepidobatrachus laevis): a case report. J Exot Pet Med 2019. [DOI: 10.1053/j.jepm.2019.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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13
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Rau J, Eisenberg T, Peters M, Berger A, Kutzer P, Lassnig H, Hotzel H, Sing A, Sting R, Contzen M. Reliable differentiation of a non-toxigenic tox gene-bearing Corynebacterium ulcerans variant frequently isolated from game animals using MALDI-TOF MS. Vet Microbiol 2019; 237:108399. [PMID: 31585651 DOI: 10.1016/j.vetmic.2019.108399] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 07/25/2019] [Accepted: 08/22/2019] [Indexed: 01/18/2023]
Abstract
Corynebacterium (C.) ulcerans is a zoonotic member of the C. diphtheriae group and is known to cause abscesses in humans and several animal species. Toxigenic strains, expressing the tox gene encoding diphtheria toxin, are also able to cause diphtheria in humans. In recent years, a non-toxigenic but tox gene-bearing (NTTB) variant of C. ulcerans has been identified that was frequently isolated from clinically healthy as well as from diseased wildlife animals, especially wild boars (Sus scrofa scrofa) in Germany and Austria. The described clinical cases showed similar signs of disease and the isolated corynebacteria displayed common genetic features as well as similar spectroscopic characteristics, therefore being assigned to a so called wild boar cluster (WBC). This study describes the establishment and validation of a method using MALDI-TOF mass spectrometry for a reliable differentiation between various members of the C. diphtheriae group at species level as well as a reliable sub-level identification of C. ulcerans isolates of the WBC variant. For this study 93 C. ulcerans isolates from wildlife animals, 41 C. ulcerans isolates from other animals and humans, and 53 isolates from further representatives of the C. diphtheriae group, as well as 26 non-diphtheriae group Corynebacteria collected via the MALDI user platform from seven MALDI users were used. By assigning 86 C. ulcerans isolates to the WBC the extensive geographical distribution of this previously less noticed variant in two Central European countries could be shown.
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Affiliation(s)
- Jörg Rau
- Chemisches und Veterinäruntersuchungsamt Stuttgart (CVUAS), Schaflandstr. 3/2, 70367 Fellbach, Germany.
| | - Tobias Eisenberg
- Landesbetrieb Hessisches Landeslabor (LHL), Schubertstr. 60 - Haus 13, 35392 Gießen, Germany.
| | - Martin Peters
- Chemisches und Veterinäruntersuchungsamt Westfalen, Zur Taubeneiche 10-12, 59821 Arnsberg, Germany.
| | - Anja Berger
- National Consiliar Laboratory on Diphtheria, Landesamt für Gesundheit und Lebensmittelsicherheit (LGL), Veterinärstr. 2, 85764 Oberschleißheim, Germany.
| | - Peter Kutzer
- Landeslabor Berlin-Brandenburg (LLBB), Gerhard-Neumann-Str. 2, 15236 Frankfurt (Oder), Germany.
| | - Heimo Lassnig
- Österreichische Agentur für Gesundheit und Ernährungssicherheit GmbH (AGES), Beethovenstr. 6, 8010 Graz, Austria.
| | - Helmut Hotzel
- Friedrich-Loeffler-Institut (FLI), Naumburger Str. 96a, 07743 Jena, Germany.
| | - Andreas Sing
- National Consiliar Laboratory on Diphtheria, Landesamt für Gesundheit und Lebensmittelsicherheit (LGL), Veterinärstr. 2, 85764 Oberschleißheim, Germany.
| | - Reinhard Sting
- Chemisches und Veterinäruntersuchungsamt Stuttgart (CVUAS), Schaflandstr. 3/2, 70367 Fellbach, Germany; Consiliar Laboratory for Corynebacterium pseudotuberculosis (DVG).
| | - Matthias Contzen
- Chemisches und Veterinäruntersuchungsamt Stuttgart (CVUAS), Schaflandstr. 3/2, 70367 Fellbach, Germany.
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14
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Parise D, Parise MTD, Viana MVC, Muñoz-Bucio AV, Cortés-Pérez YA, Arellano-Reynoso B, Díaz-Aparicio E, Dorella FA, Pereira FL, Carvalho AF, Figueiredo HCP, Ghosh P, Barh D, Gomide ACP, Azevedo VAC. First genome sequencing and comparative analyses of Corynebacterium pseudotuberculosis strains from Mexico. Stand Genomic Sci 2018; 13:21. [PMID: 30338024 PMCID: PMC6180578 DOI: 10.1186/s40793-018-0325-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Accepted: 09/24/2018] [Indexed: 12/20/2022] Open
Abstract
Corynebacterium pseudotuberculosis is a pathogenic bacterium which has been rapidly spreading all over the world, causing economic losses in the agricultural sector and sporadically infecting humans. Six C. pseudotuberculosis strains were isolated from goats, sheep, and horses with distinct abscess locations. For the first time, Mexican genomes of this bacterium were sequenced and studied in silico. All strains were sequenced using Ion Personal Genome Machine sequencer, assembled using Newbler and SPAdes software. The automatic genome annotation was done using the software RAST and in-house scripts for transference, followed by manual curation using Artemis software and BLAST against NCBI and UniProt databases. The six genomes are publicly available in NCBI database. The analysis of nucleotide sequence similarity and the generated phylogenetic tree led to the observation that the Mexican strains are more similar between strains from the same host, but the genetic structure is probably more influenced by transportation of animals between farms than host preference. Also, a putative drug target was predicted and in silico analysis of 46 strains showed two gene clusters capable of differentiating the biovars equi and ovis: Restriction Modification system and CRISPR-Cas cluster.
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Affiliation(s)
- Doglas Parise
- Laboratory of Cellular and Molecular Genetics, Institute of Biologic Sciences, Federal University of Minas Gerais, Belo Horizonte, MG Brazil
| | - Mariana T D Parise
- Laboratory of Cellular and Molecular Genetics, Institute of Biologic Sciences, Federal University of Minas Gerais, Belo Horizonte, MG Brazil
| | - Marcus V C Viana
- Laboratory of Cellular and Molecular Genetics, Institute of Biologic Sciences, Federal University of Minas Gerais, Belo Horizonte, MG Brazil
| | - Adrian V Muñoz-Bucio
- Department of Microbiology and Immunology, Faculty of Veterinary Medicine and Zootechnics, National Autonomous University of Mexico, Mexico City, Mexico
| | - Yazmin A Cortés-Pérez
- Department of Microbiology and Immunology, Faculty of Veterinary Medicine and Zootechnics, National Autonomous University of Mexico, Mexico City, Mexico
| | - Beatriz Arellano-Reynoso
- Department of Microbiology and Immunology, Faculty of Veterinary Medicine and Zootechnics, National Autonomous University of Mexico, Mexico City, Mexico
| | - Efrén Díaz-Aparicio
- Department of Microbiology and Immunology, Faculty of Veterinary Medicine and Zootechnics, National Autonomous University of Mexico, Mexico City, Mexico
| | - Fernanda A Dorella
- Aquacen - National Reference Laboratory for Aquatic Animal Diseases, Federal University of Minas Gerais, Belo Horizonte, MG Brazil
| | - Felipe L Pereira
- Aquacen - National Reference Laboratory for Aquatic Animal Diseases, Federal University of Minas Gerais, Belo Horizonte, MG Brazil
| | - Alex F Carvalho
- Aquacen - National Reference Laboratory for Aquatic Animal Diseases, Federal University of Minas Gerais, Belo Horizonte, MG Brazil
| | - Henrique C P Figueiredo
- Aquacen - National Reference Laboratory for Aquatic Animal Diseases, Federal University of Minas Gerais, Belo Horizonte, MG Brazil
| | - Preetam Ghosh
- Department of Computer Science, Virginia Commonwealth University, Richmond, VA-23284 USA
| | - Debmalya Barh
- Laboratory of Cellular and Molecular Genetics, Institute of Biologic Sciences, Federal University of Minas Gerais, Belo Horizonte, MG Brazil
- Centre for Genomics and Applied Gene Technology, Institute of Integrative Omics and Applied Biotechnology (IIOAB), Nonakuri, Purba Medinipur, West Bengal 721172 India
- Division of Bioinformatics and Computational Genomics, NITTE University Center for Science Education and Research (NUCSER), NITTE (Deemed to be University), Deralakatte, Mangaluru, Karnataka India
| | - Anne C P Gomide
- Laboratory of Cellular and Molecular Genetics, Institute of Biologic Sciences, Federal University of Minas Gerais, Belo Horizonte, MG Brazil
| | - Vasco A C Azevedo
- Laboratory of Cellular and Molecular Genetics, Institute of Biologic Sciences, Federal University of Minas Gerais, Belo Horizonte, MG Brazil
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15
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Abstract
There is currently only limited information on the antimicrobial susceptibility and resistance of Corynebacterium spp., Arcanobacterium spp., and Trueperella pyogenes from animals. The comparability of the data is hampered by the use of different antimicrobial susceptibility testing methods and interpretive criteria. To date, standard broth microdilution methods and clinical breakpoints that are approved by the Clinical and Laboratory Standards Institute and are applicable to Corynebacterium spp., Arcanobacterium spp., and T. pyogenes are available. The lack of species-specific clinical breakpoints for the different animal species reduces the explanatory power of the data. Among the isolates of the three genera, elevated MICs for different classes of antimicrobial agents (e.g., β-lactams, macrolides, lincosamides, tetracyclines, aminoglycosides, phenicols, sulfonamides/diaminopyrimidines, and fluoroquinolones) have been described. The most comprehensive data set is available for T. pyogenes, which also includes information about genes and mutations involved in antimicrobial resistance. In T. pyogenes isolates, the macrolide-lincosamide-streptogramin B resistance genes erm(B) and erm(X) were identified. Tetracycline resistance in T. pyogenes was based on the resistance genes tet(W), tet(Z), and tet(33), whereas the aminoglycoside resistance genes aacC, aadA1, aadA2, aadA5, aadA24, and aadB have been described in T. pyogenes. So far, only single genes conferring either phenicol resistance (cmlA6), trimethoprim resistance (dfrB2a), or β-lactam resistance (blaP1) are known to occur in T. pyogenes isolates. Various 23S rRNA mutations, including A2058T, A2058G, and G2137C, were identified in macrolide/lincosamide-resistant T. pyogenes.
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16
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Steerforth D, Marutsov P. Ulcerative lymphangitis due to
Corynebacterium pseudotuberculosis
in Bulgarian Holstein dairy cows. VETERINARY RECORD CASE REPORTS 2017. [DOI: 10.1136/vetreccr-2017-000454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
| | - Plamen Marutsov
- Department of Veterinary Microbiology, Infectious and Parasitic DiseasesTrakijski Universitet Stara ZagoraStara ZagoraBulgaria
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17
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Draft Genome Sequence of Corynebacterium pseudotuberculosis Strain PA06 Isolated from a Subauricular Abscess in an Ovine Host. GENOME ANNOUNCEMENTS 2017; 5:5/13/e00083-17. [PMID: 28360159 PMCID: PMC5374233 DOI: 10.1128/genomea.00083-17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We report here the draft genome sequence of Corynebacterium pseudotuberculosis PA06, isolated from a subauricular abscess in an ovine host. C. pseudotuberculosis is a worldwide pathogen of small and large ruminants. The genome comprises 2,320,074 bp, with a G+C content of 52.2%, 2,195 coding sequences, 48 tRNAs, and three rRNAs.
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18
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Whole-Genome Sequence of Corynebacterium pseudotuberculosis Strain 226, Isolated from the Abscess of a Goat in California. GENOME ANNOUNCEMENTS 2016; 4:4/1/e00038-16. [PMID: 26950327 PMCID: PMC4767917 DOI: 10.1128/genomea.00038-16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Corynebacterium pseudotuberculosis is the etiological agent of a caseous lymphadenitis disease. Herein, we present the first complete genome sequencing of C. pseudotuberculosis strain 226, isolated from an abscess of the sub-iliac lymph node of a goat from California (USA). The genome contains 2,138 coding sequences (CDSs), 12 rRNAs, 49 tRNAs, and 72 pseudogenes.
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19
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Cardoso-Toset F, Gómez-Laguna J, Amarilla SP, Vela AI, Carrasco L, Fernández-Garayzábal JF, Astorga RJ, Luque I. Multi-Etiological Nature of Tuberculosis-Like Lesions in Condemned Pigs at the Slaughterhouse. PLoS One 2015; 10:e0139130. [PMID: 26418681 PMCID: PMC4587938 DOI: 10.1371/journal.pone.0139130] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Accepted: 09/08/2015] [Indexed: 12/02/2022] Open
Abstract
Tuberculosis-like lesions (TBL) in pigs have been associated with microorganisms other than mycobacteria. In this work a histopathological and microbiological evaluation of TBL in pigs is shown. A total of 352 samples belonging to 171 pigs totally condemned at slaughterhouse due to generalized TBL were sampled and selected for analysis. Pyogranulomatous (56.2%) and granulomatous lesions (20.2%) were observed in all analysed organs. Most of the granulomas observed in both lymph nodes and lungs belonged to more advanced stages of development (stages III and IV) whereas in the liver and the spleen most of lesions belonged to intermediate stages (stages II and III). Different microorganisms were simultaneously detected from TBL in the 42.7% of the animals. Mycobacterium tuberculosis complex (MTC) (38%), coryneform bacteria (40.3%) and streptococci (28.1%) were the main groups of microorganisms detected after bacteriological analysis, with Trueperella pyogenes and Streptococcus suis as the most frequently isolated species. Mycobacteria belonging to MTC were the most frequently detected pathogens in granulomatous and pyogranulomatous lesions in submandibular lymph nodes (32.7%) and coryneform bacteria were the microorganisms more frequently isolated from lungs (25.9%) and spleen samples (37.2%). These results may provide new insights into the pathogenesis and diagnosis of this pathology. The importance of coryneform bacteria and streptococci in such processes must be evaluated in future studies.
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Affiliation(s)
- Fernando Cardoso-Toset
- Department of Animal Health, Faculty of Veterinary Medicine, ‘International Excellence Agrifood Campus, CeiA3’, Córdoba, Spain
- Department of R&D, CICAP - Food Research Centre, Pozoblanco, Córdoba, Spain
| | - Jaime Gómez-Laguna
- Department of R&D, CICAP - Food Research Centre, Pozoblanco, Córdoba, Spain
| | - Shyrley P. Amarilla
- Department of Anatomy and Comparative Pathology, Faculty of Veterinary Medicine, ‘International Excellence Agrifood Campus, CeiA3’, Córdoba, Spain
| | - Ana I. Vela
- Department of Animal Health, Faculty of Veterinary Medicine, Complutense University, Madrid, Spain
- VISAVET Health Surveillance Centre, Faculty of Veterinary Medicine, Complutense University, Madrid, Spain
| | - Librado Carrasco
- Department of Anatomy and Comparative Pathology, Faculty of Veterinary Medicine, ‘International Excellence Agrifood Campus, CeiA3’, Córdoba, Spain
| | - Jose F. Fernández-Garayzábal
- Department of Animal Health, Faculty of Veterinary Medicine, Complutense University, Madrid, Spain
- VISAVET Health Surveillance Centre, Faculty of Veterinary Medicine, Complutense University, Madrid, Spain
| | - Rafael J. Astorga
- Department of Animal Health, Faculty of Veterinary Medicine, ‘International Excellence Agrifood Campus, CeiA3’, Córdoba, Spain
| | - Inmaculada Luque
- Department of Animal Health, Faculty of Veterinary Medicine, ‘International Excellence Agrifood Campus, CeiA3’, Córdoba, Spain
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