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Uzal FA, Henderson E, Asin J. Botulism in fish: a review. J Vet Diagn Invest 2024; 36:312-318. [PMID: 38465871 PMCID: PMC11110784 DOI: 10.1177/10406387241236725] [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] [Indexed: 03/12/2024] Open
Abstract
Published information about fish botulism is scant. We review here the current literature on fish botulism. Freshwater fish are susceptible to botulism. Only anecdotal evidence exists about possible botulism cases in saltwater fish. With only a few exceptions, the etiology of all cases of fish botulism reported is Clostridium botulinum type E, although fish are sensitive to, and may carry, various C. botulinum types. Clinical signs of botulism in fish include loss of equilibrium and motion, abducted opercula, open mouths, dark pigmentation, and head up/tail down orientation in which attempts to swim result in breaching the surface of the water. Dark pigmentation is thought to be associated with acetylcholine imbalance in botulinum neurotoxin (BoNT)-affected fish. Rarely, but similar to the situation in other animal species, fish can recover from botulism. Fish botulism can cause secondary outbreaks of the disease in birds, as botulism-affected fish stand out from normal fish, and are selectively preyed upon by fish-eating birds, which thus become intoxicated by the BoNT present in sick fish. The source of BoNT in fish has not been definitively confirmed. Fish may ingest C. botulinum spores that then germinate in their digestive tract, but the possibility that fish ingest preformed BoNT from the environment (e.g., dead fish, shellfish, insects) cannot be ruled out. The presumptive diagnosis of botulism in fish is established based on clinical signs, and as in other species, confirmation should be based on detection of BoNT in intestinal content, liver, and/or serum of affected fish.
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Affiliation(s)
- Francisco A. Uzal
- California Animal Health and Food Safety Laboratory System–San Bernardino Branch, School of Veterinary Medicine, University of California–Davis, CA, USA
| | - Eileen Henderson
- California Animal Health and Food Safety Laboratory System–San Bernardino Branch, School of Veterinary Medicine, University of California–Davis, CA, USA
| | - Javier Asin
- California Animal Health and Food Safety Laboratory System–San Bernardino Branch, School of Veterinary Medicine, University of California–Davis, CA, USA
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2
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Meurice L, Filleul L, Fischer A, Burbaud A, Delvallez G, Diancourt L, Belichon S, Clouzeau B, Malvy D, Oliva-Labadie M, Bragança C, Wilking H, Franca R, Martin G, Godbole G, Tourdjman M, Jourdan-Da Silva N. Foodborne botulism outbreak involving different nationalities during the Rugby World Cup: critical role of credit card data and rapid international cooperation, France, September 2023. Euro Surveill 2023; 28:2300624. [PMID: 37997664 PMCID: PMC10668258 DOI: 10.2807/1560-7917.es.2023.28.47.2300624] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 11/23/2023] [Indexed: 11/25/2023] Open
Abstract
In September 2023, a severe outbreak of type B botulism with fifteen cases was linked to consumption of canned sardines at a restaurant in Bordeaux, France, during the Rugby World Cup. The cases were from seven countries. One death was recorded. Outbreak investigation using credit card data, rapid communication between health authorities of the affected countries and broad media communication allowed identification of cases and exposed persons and prevented further severe outcomes.
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Affiliation(s)
- Laure Meurice
- Santé publique France, Regional office in Nouvelle-Aquitaine, Bordeaux, France
| | - Laurent Filleul
- Santé publique France, Regional office in Nouvelle-Aquitaine, Bordeaux, France
| | - Aurélie Fischer
- Regional health agency Nouvelle-Aquitaine (ARS Nouvelle-Aquitaine), Bordeaux, France
| | - Annie Burbaud
- Regional health agency Nouvelle-Aquitaine (ARS Nouvelle-Aquitaine), Bordeaux, France
| | - Gauthier Delvallez
- National Reference Center for Anaerobic Bacteria and Botulism, Institut Pasteur, Université Paris Cité, Paris, France
| | - Laure Diancourt
- National Reference Center for Anaerobic Bacteria and Botulism, Institut Pasteur, Université Paris Cité, Paris, France
| | | | | | | | | | - Coralie Bragança
- Poison control center, Bordeaux Hospital Center, Bordeaux, France
| | - Hendrik Wilking
- Robert Koch Institute, Department of Infectious Disease Epidemiology, Berlin, Germany
| | - Rafaela Franca
- Health Service Executive - Health Protection Surveillance Centre, Dublin, Ireland
| | - Greg Martin
- Health Service Executive - Health Protection Surveillance Centre, Dublin, Ireland
| | - Gauri Godbole
- United Kingdom Health Security Agency, Gastrointestinal Pathogens and Food Safety (One Health) Division, London, United Kingdom
| | - Mathieu Tourdjman
- Santé publique France, Department of Infectious Disease, Saint-Maurice, France
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Courtot-Melciolle L, Jauvain M, Siefridt M, Prevel R, Peuchant O, Guisset O, Mourissoux G, Diancourt L, Mazuet C, Delvallez G, Boyer A, Orieux A. Food-borne botulism outbreak during the Rugby World Cup linked to marinated sardines in Bordeaux, France, September 2023. Euro Surveill 2023; 28:2300513. [PMID: 37824251 PMCID: PMC10571493 DOI: 10.2807/1560-7917.es.2023.28.41.2300513] [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: 09/22/2023] [Accepted: 10/12/2023] [Indexed: 10/14/2023] Open
Abstract
In September 2023, a botulism outbreak affecting 15 individuals occurred in Bordeaux, France, during the Rugby World Cup. We report on eight individuals from four different countries on two continents admitted to the intensive care unit at our hospital, where six required invasive mechanical ventilation. Cases reported consuming locally produced canned sardines at a restaurant. This report highlights the importance of rapid, worldwide alerts from health authorities to prevent severe consequences of such outbreaks, particularly during events attracting international visitors.
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Affiliation(s)
| | | | - Mona Siefridt
- Medical Intensive Care Unit, CHU Bordeaux, Bordeaux, France
| | - Renaud Prevel
- Medical Intensive Care Unit, CHU Bordeaux, Bordeaux, France
- INSERM UMR 1045, Centre de Recherche Cardio-Thoracique de Bordeaux, Bordeaux University, Bordeaux, France
| | | | | | | | - Laure Diancourt
- National Reference Center for Anaerobic Bacteria and Botulism, Institut Pasteur, Université Paris Cité, Paris, France
| | - Christelle Mazuet
- National Reference Center for Anaerobic Bacteria and Botulism, Institut Pasteur, Université Paris Cité, Paris, France
| | - Gauthier Delvallez
- National Reference Center for Anaerobic Bacteria and Botulism, Institut Pasteur, Université Paris Cité, Paris, France
| | - Alexandre Boyer
- Medical Intensive Care Unit, CHU Bordeaux, Bordeaux, France
- INSERM UMR 1045, Centre de Recherche Cardio-Thoracique de Bordeaux, Bordeaux University, Bordeaux, France
| | - Arthur Orieux
- Medical Intensive Care Unit, CHU Bordeaux, Bordeaux, France
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Valdezate S, Carrasco G, Medina MJ, Garrido N, del Pino S, Valiente M, Pallarés MP, Villalon P. Exploring the genetic background of the botulism neurotoxin BoNT/B2 in Spain. Microbiol Spectr 2023; 11:e0238023. [PMID: 37750689 PMCID: PMC10581064 DOI: 10.1128/spectrum.02380-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 08/13/2023] [Indexed: 09/27/2023] Open
Abstract
To determine whether the neurotoxin BoNT/B2 causing botulism in Spain is clonal, the genetic diversity and phylogenetic relationships of Clostridium botulinum from food-borne episodes and infant cases of the condition were explored. The botulinum toxin gene (bont) subtype, the variable region of the flagellin gene (flaVR), and a seven-gene multi-locus sequence type were examined by sequencing 37 BoNT-positive cultures obtained over the period 2010 to 2022. Out of 37 botulism events, 16 food-borne episodes and 16 infant cases were associated with bont/b2. Eight bont/b2 alleles were detected [nucleotide distance range 0.0259-0.415%, Hunter and Gaston discrimination index (HGDI) 0.71]. The most common bont/b2 allele corresponded to that of strain Prevot 25 NCASE and its single and double locus variations (87.5%). Four known flaVR types were identified (HGDI 0.79), along with one previously unknown (flaVR-15). Sixteen sequence types (STs) (HGDI 0.89) were recorded including seven new STs (ST164-ST170; 10 new alleles) and five new STs (ST171-ST175; with new allele combinations) were also noted. Correlations among some STs and flaVR types were seen. Overall, the present results show that the combined analysis of bont/b2-flaVR-ST at the nucleotide level could be used to track botulism events in Spain. The neurotoxin BoNT/B2 has largely been responsible for human botulism in Spain. The polymorphism analysis of bont/b2, flaVR typing, and sequence type determinations, revealed a wide variety of clones to be responsible for human botulism, ruling out a common source of acquisition. IMPORTANCE Botulism, a potentially fatal disease, is classically characterized by a symmetrical descending flaccid paralysis, which if left untreated can lead to respiratory failure and death. Botulinum neurotoxin (BoNT), produced by certain species of Clostridium, is the most potent biological toxin known, and the direct cause of botulism. This study characterizes the acquisition in Spain of two forms of botulism, i.e., food-borne and infant botulism, which are largely caused by the main neurotoxin BoNT/B2. Polymorphism analysis of the bont/b2 gene, typing of the flagellin variable region sequence (flaVR), and multilocus sequence typing, were used to explore the genetic background of Clostridium botulinum group I. To our knowledge, this is the first phylogenetic and typing study of botulism undertaken in Spain.
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Affiliation(s)
- Sylvia Valdezate
- Reference and Research Laboratory for Taxonomy, National Centre of Microbiology, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
| | - Gema Carrasco
- Reference and Research Laboratory for Taxonomy, National Centre of Microbiology, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
| | - María J. Medina
- Reference and Research Laboratory for Taxonomy, National Centre of Microbiology, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
| | - Noelia Garrido
- Reference and Research Laboratory for Taxonomy, National Centre of Microbiology, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
| | - Silvia del Pino
- Reference and Research Laboratory for Taxonomy, National Centre of Microbiology, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
| | - Monica Valiente
- Reference and Research Laboratory for Taxonomy, National Centre of Microbiology, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
| | - María P. Pallarés
- Veterinary Unit, Animal Department, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
| | - Pilar Villalon
- Reference and Research Laboratory for Taxonomy, National Centre of Microbiology, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
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Harmsen MM, Cornelissen JC, van der Wal FJ, Bergervoet JHW, Koene M. Single-Domain Antibody Multimers for Detection of Botulinum Neurotoxin Serotypes C, D, and Their Mosaics in Endopep-MS. Toxins (Basel) 2023; 15:573. [PMID: 37755999 PMCID: PMC10535107 DOI: 10.3390/toxins15090573] [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: 08/21/2023] [Revised: 09/12/2023] [Accepted: 09/14/2023] [Indexed: 09/28/2023] Open
Abstract
Botulinum neurotoxins (BoNTs) are highly toxic proteins that require high-affinity immunocapture reagents for use in endopeptidase-based assays. Here, 30 novel and 2 earlier published llama single-domain antibodies (VHHs) against the veterinary-relevant BoNT serotypes C and D were yeast-produced. These VHHs recognized 10 independent antigenic sites, and many cross-reacted with the BoNT/DC and CD mosaic variants. As VHHs are highly suitable for genetically linking to increase antigen-binding affinity, 52 VHH multimers were produced and their affinity for BoNT/C, D, DC, and CD was determined. A selection of 15 multimers with high affinity (KD < 0.1 nM) was further shown to be resilient to a high salt wash that is used for samples from complex matrices and bound native BoNTs from culture supernatants as shown by Endopep-MS. High-affinity multimers suitable for further development of a highly sensitive Endopep-MS assay include four multimers that bind both BoNT/D and CD with KD of 14-99 pM, one multimer for BoNT/DC (65 pM) that also binds BoNT/C (75 pM), and seven multimers for BoNT/C (<1-19 pM), six of which also bind BoNT/DC with lower affinity (93-508 pM). In addition to application in diagnostic tests, these VHHs could be used for the development of novel therapeutics for animals or humans.
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Affiliation(s)
- Michiel M. Harmsen
- Wageningen Bioveterinary Research, Wageningen University & Research, 8221 RA Lelystad, The Netherlands (F.J.v.d.W.)
| | - Jan C. Cornelissen
- Wageningen Bioveterinary Research, Wageningen University & Research, 8221 RA Lelystad, The Netherlands (F.J.v.d.W.)
| | - Fimme J. van der Wal
- Wageningen Bioveterinary Research, Wageningen University & Research, 8221 RA Lelystad, The Netherlands (F.J.v.d.W.)
| | - Jan H. W. Bergervoet
- Wageningen Plant Research, Wageningen University & Research, 6708 PB Wageningen, The Netherlands
| | - Miriam Koene
- Wageningen Bioveterinary Research, Wageningen University & Research, 8221 RA Lelystad, The Netherlands (F.J.v.d.W.)
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Smith TJ, Schill KM, Williamson CHD. Navigating the Complexities Involving the Identification of Botulinum Neurotoxins (BoNTs) and the Taxonomy of BoNT-Producing Clostridia. Toxins (Basel) 2023; 15:545. [PMID: 37755971 PMCID: PMC10535752 DOI: 10.3390/toxins15090545] [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: 06/09/2023] [Revised: 08/17/2023] [Accepted: 08/22/2023] [Indexed: 09/28/2023] Open
Abstract
Botulinum neurotoxins are a varied group of protein toxins that share similar structures and modes of activity. They include at least seven serotypes and over forty subtypes that are produced by seven different clostridial species. These bacterial species are not limited strictly to BoNT-producers as neuro-toxigenic and non-neuro-toxigenic members have been identified within each species. The nomenclature surrounding these toxins and associated bacteria has been evolving as new isolations and discoveries have arisen, resulting in challenges in diagnostic reporting, epidemiology and food safety studies, and in the application of therapeutic products. An understanding of the intricacies regarding the nomenclature of BoNTs and BoNT-producing clostridia is crucial for communication that allows for accurate reporting of information that is pertinent to each situation.
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Affiliation(s)
- Theresa J. Smith
- Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, AZ 86011, USA;
| | - Kristin M. Schill
- Food Research Institute, University of Wisconsin-Madison, Madison, WI 53706, USA;
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Le Bouquin S, Lucas C, Souillard R, Le Maréchal C, Petit K, Kooh P, Jourdan-Da Silva N, Meurens F, Guillier L, Mazuet C. Human and animal botulism surveillance in France from 2008 to 2019. Front Public Health 2022; 10:1003917. [PMID: 36504929 PMCID: PMC9730534 DOI: 10.3389/fpubh.2022.1003917] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 11/08/2022] [Indexed: 11/27/2022] Open
Abstract
Botulism is a human and animal neurological disease caused by the action of bacterial neurotoxins (botulinum toxins) produced by bacteria from the genus Clostridium. This disease induces flaccid paralysis that can result in respiratory paralysis and heart failure. Due to its serious potential impact on public health, botulism is a closely monitored notifiable disease in France through a case-based passive surveillance system. In humans, this disease is rare, with an average of 10 outbreaks reported each year, mainly due to the consumption of contaminated foods. Type B and to a lesser extend type A are responsible for the majority of cases of foodborne botulism. Each year, an average of 30 outbreaks are recorded on poultry farms, about 20 cases in wild birds and about 10 outbreaks in cattle, involving a large number of animals. Mosaic forms C/D and D/C in birds and cattle, respectively, are the predominant types in animals in France. Types C and D have also been observed to a lesser extent in animals. With the exception of botulinum toxin E, which was exceptionally detected throughout the period in wild birds, the types of botulism found in animal outbreaks are different from those identified in human outbreaks over the last ten years in France and no human botulism outbreaks investigated have been linked to animal botulism. In line with the One Health concept, we present the first integrative approach to the routine surveillance of botulism in humans and animals in France.
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Affiliation(s)
- Sophie Le Bouquin
- French Agency for Food, Environmental and Occupational Health & Safety (ANSES), National Reference Laboratory for Avian Botulism, Ploufragan-Plouzané-Niort Laboratory, Ploufragan, France,*Correspondence: Sophie Le Bouquin
| | - Camille Lucas
- French Agency for Food, Environmental and Occupational Health & Safety (ANSES), National Reference Laboratory for Avian Botulism, Ploufragan-Plouzané-Niort Laboratory, Ploufragan, France
| | - Rozenn Souillard
- French Agency for Food, Environmental and Occupational Health & Safety (ANSES), National Reference Laboratory for Avian Botulism, Ploufragan-Plouzané-Niort Laboratory, Ploufragan, France
| | - Caroline Le Maréchal
- French Agency for Food, Environmental and Occupational Health & Safety (ANSES), National Reference Laboratory for Avian Botulism, Ploufragan-Plouzané-Niort Laboratory, Ploufragan, France
| | - Karine Petit
- ANSES, Risk Assessment Department, Maisons-Alfort, France
| | - Pauline Kooh
- ANSES, Risk Assessment Department, Maisons-Alfort, France
| | - Nathalie Jourdan-Da Silva
- Sante Publique France (French Public Health Agency), Direction des Maladies Infectieuses, Saint Maurice, France
| | - François Meurens
- French National Research Institute for Agriculture, Food and Environment (INRAE), Oniris, Unit of Biology, Epidemiology and Risk Analysis in Animal Health (BIOEPAR), Nantes, France,Department of Veterinary Microbiology and Immunology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK, Canada
| | | | - Christelle Mazuet
- Institut Pasteur, National Reference Center for Anaerobic Bacteria and Botulism, Université Paris Cité, Paris, France
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Clostridial Diseases of Horses: A Review. Vaccines (Basel) 2022; 10:vaccines10020318. [PMID: 35214776 PMCID: PMC8876495 DOI: 10.3390/vaccines10020318] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/10/2022] [Accepted: 02/13/2022] [Indexed: 11/17/2022] Open
Abstract
The clostridial diseases of horses can be divided into three major groups: enteric/enterotoxic, histotoxic, and neurotoxic. The main enteric/enterotoxic diseases include those produced by Clostridium perfringens type C and Clostridioides difficile, both of which are characterized by enterocolitis. The main histotoxic diseases are gas gangrene, Tyzzer disease, and infectious necrotic hepatitis. Gas gangrene is produced by one or more of the following microorganisms: C. perfringens type A, Clostridium septicum, Paeniclostridium sordellii, and Clostridium novyi type A, and it is characterized by necrotizing cellulitis and/or myositis. Tyzzer disease is produced by Clostridium piliforme and is mainly characterized by multifocal necrotizing hepatitis. Infectious necrotic hepatitis is produced by Clostridium novyi type B and is characterized by focal necrotizing hepatitis. The main neurotoxic clostridial diseases are tetanus and botulism, which are produced by Clostridium tetani and Clostridium botulinum, respectively. Tetanus is characterized by spastic paralysis and botulism by flaccid paralysis. Neither disease present with specific gross or microscopic lesions. The pathogenesis of clostridial diseases involves the production of toxins. Confirming a diagnosis of some of the clostridial diseases of horses is sometimes difficult, mainly because some agents can be present in tissues of normal animals. This paper reviews the main clostridial diseases of horses.
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