Sababadichetty L., Miltgen G., Vincent B., Guilhaumon François, Lenoble V., Thibault M., Bureau S., Tortosa P., Bouvier T., Jourand Philippe. (2024). Microplastics in the insular marine environment of the Southwest Indian Ocean carry a microbiome including antimicrobial resistant (AMR) bacteria : a case study from Reunion Island. Marine Pollution Bulletin, 198, 115911 [12 p.]. ISSN 0025-326X.
Titre du document
Microplastics in the insular marine environment of the Southwest Indian Ocean carry a microbiome including antimicrobial resistant (AMR) bacteria : a case study from Reunion Island
Année de publication
2024
Auteurs
Sababadichetty L., Miltgen G., Vincent B., Guilhaumon François, Lenoble V., Thibault M., Bureau S., Tortosa P., Bouvier T., Jourand Philippe
Source
Marine Pollution Bulletin, 2024,
198, 115911 [12 p.] ISSN 0025-326X
The increasing threats to ecosystems and humans from marine plastic pollution require a comprehensive assessment. We present a plastisphere case study from Reunion Island, a remote oceanic island located in the Southwest Indian Ocean, polluted by plastics. We characterized the plastic pollution on the island's coastal waters, described the associated microbiome, explored viable bacterial flora and the presence of antimicrobial resistant (AMR) bacteria. Reunion Island faces plastic pollution with up to 10,000 items/km2 in coastal water. These plastics host microbiomes dominated by Proteobacteria (80 %), including dominant genera such as Psychrobacter, Photobacterium, Pseudoalteromonas and Vibrio. Culturable microbiomes reach 107 CFU/g of microplastics, with dominance of Exiguobacterium and Pseudomonas. Plastics also carry AMR bacteria including ?-lactam resistance. Thus, Southwest Indian Ocean islands are facing serious plastic pollution. This pollution requires vigilant monitoring as it harbors a plastisphere including AMR, that threatens pristine ecosystems and potentially human health through the marine food chain.
Plan de classement
Pollution océanique [038POLOCE]
Localisation
Fonds IRD [F B010089048]
Identifiant IRD
fdi:010089048
