Understanding the transmission of bacterial agents of sapronotic dseases in aquatic ecosystems: a first spatially realistic metacommunity model
2024
Sylla, Ahmadou | Chevillon, Christine | Djidjou-Demasse, Ramsès | Seydi, Ousmane | Campos, Carlos, a Vargas | Dogbe, Magdalene | Fast, Kayla, M | Pechal, Jennifer, L | Rakestraw, Alex | Scott, Matthew, E | Sandel, Michael, W | Jordan, Heather | Benbow, M, Eric | Guégan, Jean-François | Laboratoire de Mathématiques Appliquées du Havre (LMAH) ; Université Le Havre Normandie (ULH) ; Normandie Université (NU)-Normandie Université (NU) | Maladies infectieuses et vecteurs : écologie, génétique, évolution et contrôle (MIVEGEC) ; Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD [Occitanie])-Université de Montpellier (UM) | Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) | Ecole polytechnique de Thiès | Mississippi State University [Mississippi] | University of West Alabama | Michigan State University [East Lansing] ; Michigan State University System | Unité Mixte de Recherche d'Épidémiologie des maladies Animales et zoonotiques (UMR EPIA) ; VetAgro Sup - Institut national d'enseignement supérieur et de recherche en alimentation, santé animale, sciences agronomiques et de l'environnement (VAS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)
International audience
Show more [+] Less [-]English. Pathogens such as bacteria, fungi and viruses are important components of soil and aquatic communities, where they can benefit from decaying and living organic matter, and may opportunistically infect human and animal hosts. One-third of human infectious diseases is constituted by sapronotic disease agents that are natural inhabitants of soil or aquatic ecosystems. They are capable of existing and reproducing in the environment outside of the host for extended periods of time. However, as ecological research on sapronosis is infrequent and epidemiological models are even rarer, very little information is currently available. Their importance is overlooked in medical and veterinary research, as well as the relationships between free environmental forms and those that are pathogenic. Here, using dynamical models in realistic aquatic metacommunity systems, we analyze sapronosis transmission, using the human pathogen Mycobacterium ulcerans that is responsible for Buruli ulcer. Our work constitutes the first set of metacommunity models of sapronotic disease transmission, and is highly flexible for adaptation to other types of sapronosis. The importance of sapronotic agents on animal and human disease burden needs better understanding and new models of sapronosis disease ecology to guide the management and prevention of this important group of pathogens.
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