• Int J Environ Res Public Health · Feb 2016

    Pathogens in Ornamental Waters: A Pilot Study.

    • Maria Nascimento, Joao Carlos Rodrigues, Lucia Reis, Isabel Nogueira, Patricia A Carvalho, João Brandão, Aida Duarte, and Luisa Jordao.
    • Department of Environmental Health (DSA), National Institute of Health Dr Ricardo Jorge (INSA), Avenida Padre Cruz, Lisboa 1649-016, Portugal. maria_d_n@hotmail.com.
    • Int J Environ Res Public Health. 2016 Feb 15; 13 (2): 216.

    AbstractIn parks, ornamental waters of easy access and populated with animals are quite attractive to children and yet might hide threats to human health. The present work focuses on the microbiota of the ornamental waters of a Lisboa park, characterized during 2015. The results show a dynamic microbiota integrating human pathogens such as Klebsiella pneumoniae, Aeromonas spp. and Enterobacter spp., and also antibiotic resistant bacteria. K. pneumoniae and Aeromonas spp. were present as planktonic and biofilm organized bacteria. In vitro K. pneumoniae and Aeromonas spp. showed an enhanced ability to assemble biofilm at 25 °C than at 37 °C. Bacteria recovered from biofilm samples showed an increased antibiotic resistance compared to the respective planktonic counterparts.

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