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
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Maria Nascimento: Department of Environmental Health (DSA), National Institute of Health Dr Ricardo Jorge (INSA), Avenida Padre Cruz, Lisboa 1649-016, Portugal
Joao Carlos Rodrigues: Department of Infectious Diseases (DDI), INSA, Avenida Padre Cruz, Lisboa 1649-016, Portugal
Lucia Reis: Department of Infectious Diseases (DDI), INSA, Avenida Padre Cruz, Lisboa 1649-016, Portugal
Isabel Nogueira: Departament of Chemical Engineering, Instituto Superior Técnico, University of Lisboa (UL), Av Rovisco Pais, Lisboa 1049-001, Portugal
Patricia A. Carvalho: Departament of Chemical Engineering, Instituto Superior Técnico, University of Lisboa (UL), Av Rovisco Pais, Lisboa 1049-001, Portugal
João Brandão: Department of Environmental Health (DSA), National Institute of Health Dr Ricardo Jorge (INSA), Avenida Padre Cruz, Lisboa 1649-016, Portugal
Aida Duarte: Faculty of Farmacy, Departament of Microbiology and Imunology; iMed.UL, UL, Av Prof Gama Pinto, Lisboa 1649-003, Portugal
Luisa Jordao: Department of Environmental Health (DSA), National Institute of Health Dr Ricardo Jorge (INSA), Avenida Padre Cruz, Lisboa 1649-016, Portugal

IJERPH, 2016, vol. 13, issue 2, 1-8

Abstract: In 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.

Keywords: waterborne pathogens; children’s health; play behavior; environmental exposures; biofilms (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2016
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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