CARRIÈRE, Christian
CHU Montpellier = Montpellier University Hospital
Maladies infectieuses et vecteurs : écologie, génétique, évolution et contrôle [MIVEGEC]

DUPONT, Chloé
CHU Montpellier = Montpellier University Hospital

CONQUET, Guilhem
CHU Montpellier = Montpellier University Hospital

GALAL, Lokman
Maladies infectieuses et vecteurs : écologie, génétique, évolution et contrôle [MIVEGEC]

BANULS, Anne-Laure
Maladies infectieuses et vecteurs : écologie, génétique, évolution et contrôle [MIVEGEC]

GODREUIL, Sylvain
Maladies infectieuses et vecteurs : écologie, génétique, évolution et contrôle [MIVEGEC]

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Pathogens. 2023-04-01, vol. 12, n° 4, p. 548

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Mycobacterium bovis infects cattle and wildlife, and also causes a small proportion of tuberculosis cases in humans. In most European countries, M. bovis infections in cattle have been drastically reduced, but not eradicated. Here, to determine the M. bovis circulation within and between the human, cattle, and wildlife compartments, we characterized by spoligotyping and mycobacterial interspersed repetitive unit-variable number tandem repeat (MIRU-VNTR) typing the genetic diversity of M. bovis isolates collected from humans, cattle, and wildlife in France from 2000 to 2010. We also assessed their genetic structure within and among the different host groups, and across time and space. The M. bovis genetic structure and its spatiotemporal variations showed different dynamics in the human and animal compartments. Most genotypes detected in human isolates were absent in cattle and wildlife isolates, possibly because in patients, M. bovis infection was contracted abroad or was the reactivation of an old lesion. Therefore, they did not match the genetic pool present in France during the study period. However, some human-cattle exchanges occurred because some genotypes were common to both compartments. This study provides new elements for understanding M. bovis epidemiology in France, and calls for increased efforts to control this pathogen worldwide.< Réduire

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population genetics

zoonosis

One Health

France

bovine tuberculosis

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Genetic Diversity and Population Structure of Mycobacterium bovis at the Human-Animal-Ecosystem Interface in France: “A One Health Approach”

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