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Hockings KJ, Mubemba B, Avanzi C, Pleh K, Düx A, Bersacola E, Bessa J, Ramon M, Metzger S, Patrono LV, Jaffe JE, Benjak A, Bonneaud C, Busso P, Couacy-Hymann E, Gado M, Gagneux S, Johnson RC, Kodio M, Lynton-Jenkins J, Morozova I, Mätz-Rensing K, Regalla A, Said AR, Schuenemann VJ, Sow SO, Spencer JS, Ulrich M, Zoubi H, Cole ST, Wittig RM, Calvignac-Spencer S, Leendertz FH. Leprosy in wild chimpanzees. Nature 2021; 598:652-656. [PMID: 34646009 PMCID: PMC8550970 DOI: 10.1038/s41586-021-03968-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 08/27/2021] [Indexed: 11/08/2022]
Abstract
Humans are considered as the main host for Mycobacterium leprae1, the aetiological agent of leprosy, but spillover has occurred to other mammals that are now maintenance hosts, such as nine-banded armadillos and red squirrels2,3. Although naturally acquired leprosy has also been described in captive nonhuman primates4-7, the exact origins of infection remain unclear. Here we describe leprosy-like lesions in two wild populations of western chimpanzees (Pan troglodytes verus) in Cantanhez National Park, Guinea-Bissau and Taï National Park, Côte d'Ivoire, West Africa. Longitudinal monitoring of both populations revealed the progression of disease symptoms compatible with advanced leprosy. Screening of faecal and necropsy samples confirmed the presence of M. leprae as the causative agent at each site and phylogenomic comparisons with other strains from humans and other animals show that the chimpanzee strains belong to different and rare genotypes (4N/O and 2F). These findings suggest that M. leprae may be circulating in more wild animals than suspected, either as a result of exposure to humans or other unknown environmental sources.
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Affiliation(s)
- Kimberley J Hockings
- Centre for Ecology and Conservation, University of Exeter, Penryn, UK
- Centre for Research in Anthropology (CRIA - NOVA FCSH), Lisbon, Portugal
| | - Benjamin Mubemba
- Project Group Epidemiology of Highly Pathogenic Microorganisms, Robert Koch Institute, Berlin, Germany
- Department of Wildlife Sciences, School of Natural Resources, Copperbelt University, Kitwe, Zambia
| | - Charlotte Avanzi
- Global Health Institute, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
- Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO, USA
- Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | - Kamilla Pleh
- Project Group Epidemiology of Highly Pathogenic Microorganisms, Robert Koch Institute, Berlin, Germany
- Taï Chimpanzee Project, Centre Suisse de Recherches Scientifiques, Abidjan, Côte d'Ivoire
| | - Ariane Düx
- Project Group Epidemiology of Highly Pathogenic Microorganisms, Robert Koch Institute, Berlin, Germany
| | - Elena Bersacola
- Centre for Ecology and Conservation, University of Exeter, Penryn, UK
- Centre for Research in Anthropology (CRIA - NOVA FCSH), Lisbon, Portugal
| | - Joana Bessa
- Centre for Research in Anthropology (CRIA - NOVA FCSH), Lisbon, Portugal
- Department of Zoology, University of Oxford, Oxford, UK
| | - Marina Ramon
- Centre for Ecology and Conservation, University of Exeter, Penryn, UK
| | - Sonja Metzger
- Project Group Epidemiology of Highly Pathogenic Microorganisms, Robert Koch Institute, Berlin, Germany
- Taï Chimpanzee Project, Centre Suisse de Recherches Scientifiques, Abidjan, Côte d'Ivoire
| | - Livia V Patrono
- Project Group Epidemiology of Highly Pathogenic Microorganisms, Robert Koch Institute, Berlin, Germany
| | - Jenny E Jaffe
- Project Group Epidemiology of Highly Pathogenic Microorganisms, Robert Koch Institute, Berlin, Germany
- Taï Chimpanzee Project, Centre Suisse de Recherches Scientifiques, Abidjan, Côte d'Ivoire
| | - Andrej Benjak
- Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - Camille Bonneaud
- Centre for Ecology and Conservation, University of Exeter, Penryn, UK
| | - Philippe Busso
- Global Health Institute, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Emmanuel Couacy-Hymann
- Laboratoire National d'Appui au Développement Agricole/Laboratoire Central de Pathologie Animale, Bingerville, Côte d'Ivoire
| | - Moussa Gado
- Programme National de Lutte Contre la Lèpre, Ministry of Public Health, Niamey, Niger
| | - Sebastien Gagneux
- Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | - Roch C Johnson
- Centre Interfacultaire de Formation et de Recherche en Environnement pour le Développement Durable, University of Abomey-Calavi, Jericho, Cotonou, Benin
- Fondation Raoul Follereau, Paris, France
| | - Mamoudou Kodio
- Centre National d'Appui à la Lutte Contre la Maladie, Bamako, Mali
| | | | - Irina Morozova
- Institute of Evolutionary Medicine, University of Zurich, Zurich, Switzerland
| | - Kerstin Mätz-Rensing
- Pathology Unit, German Primate Center, Leibniz-Institute for Primate Research, Göttingen, Germany
| | - Aissa Regalla
- Instituto da Biodiversidade e das Áreas Protegidas, Dr. Alfredo Simão da Silva (IBAP), Bissau, Guinea-Bissau
| | - Abílio R Said
- Instituto da Biodiversidade e das Áreas Protegidas, Dr. Alfredo Simão da Silva (IBAP), Bissau, Guinea-Bissau
| | | | - Samba O Sow
- Centre National d'Appui à la Lutte Contre la Maladie, Bamako, Mali
| | - John S Spencer
- Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO, USA
| | - Markus Ulrich
- Project Group Epidemiology of Highly Pathogenic Microorganisms, Robert Koch Institute, Berlin, Germany
| | - Hyacinthe Zoubi
- Programme National d'Elimination de la Lèpre, Dakar, Senegal
| | - Stewart T Cole
- Global Health Institute, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
- Institut Pasteur, Paris, France
| | - Roman M Wittig
- Taï Chimpanzee Project, Centre Suisse de Recherches Scientifiques, Abidjan, Côte d'Ivoire
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | | | - Fabian H Leendertz
- Project Group Epidemiology of Highly Pathogenic Microorganisms, Robert Koch Institute, Berlin, Germany.
- Helmholtz Institute for One Health, Greifswald, Germany.
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