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Antibiotic-resistant Enterococcus species in marine habitats: A review
Citation:
Korajkic, A., B. McMinn, Z. Staley, W. Ahmed, AND V. Harwood. Antibiotic-resistant Enterococcus species in marine habitats: A review. Current Opinion in Environmental Science & Health. Elsevier B.V., Amsterdam, Netherlands, 19:92-100, (2020). https://doi.org/10.1016/j.coesh.2020.07.003
Impact/Purpose:
This review article describes prevalence of antibiotic resistant Enterococcus species in marine environments
Description:
Antibiotic-resistant Enterococcus (ARE) are among leading causes of nosocomial infections worldwide. Enterococcus spp. are ubiquitous in sewage, which can contaminate surface waters via many pathways, providing a route of exposure for humans. This review focuses on ARE in marine and estuarine habitats, including marine animals. Phylogenetic confirmation of the genus Enterococcus and intermediate or full resistance to clinically relevant antibiotics were inclusion criteria. The proportion of resistant isolates varied greatly among antibiotics, for example, 24.2% for ampicillin and 2.4% for vancomycin. The water column contained the highest proportion of ARE observations (18.8%), followed by animal feces and tissues (14.8%), sediment (9.4%), and sand (2.0%). The proportion of multidrug-resistant isolates was the greatest in animal tissue and fecal samples, followed by water and sediments. This review indicates that clinically relevant ARE are present in marine/estuarine habitats and that animals may be important reservoirs.
