Clearance and persistence of Escherichia coli in the freshwater mussel Unio mancus
The excessive use of antibiotics has led to the emergence of resistant bacteria, mainly from the Enterobacterales group, with high pathogenic/zoonotic potentials that can lead to problems in public health. The increasing presence in freshwater ecosystems highlights the need to evaluate potential sentinel species as risk indicators for both ecosystem and human health. The freshwater mussels provide several ecosystem services, may represent potential sentinel species due to their ability to filter water and retain both organic and inorganic particles. We tested the capability of U. mancus to retain Escherichia coli as a model bacterial organism. Under experimental conditions, the mussels could clear suspended E. coli, facilitating its rapid elimination from water within the first 24 h after exposure. The species also presented a maximum retention time of 4 days. We also provide allometric equations correlating the filtering capacity with the length and the weight of mussel body parts often used in biometric studies. We provide a first assessment of the potential of the bivalve Unio mancus to act as a sentinel species for the detection of Enterobacterales and demonstrate the ability to act as a water cleaner.
619 - Veterinary science
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Campos, M., L. Lobato-Bailón, R. Merciai, O. Cabezón, I. Torres-Blas, R. Araujo, and L. Migura-Garcia. 2022. "Clearance And Persistence Of Escherichia Coli In The Freshwater Mussel Unio Mancus". Scientific Reports 12 (1). doi:10.1038/s41598-022-16491-x.
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