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9 results on '"Januário, Adriana P."'

3. Uncovering the Bioactivity of Aurantiochytrium sp.: a Comparison of Extraction Methodologies

Author

Reboleira, João, primary, Félix, Rafael, additional, Vicente, Tânia F. L., additional, Januário, Adriana P., additional, Félix, Carina, additional, de Melo, Marcelo M. R., additional, Silva, Carlos M., additional, Ribeiro, Ana C., additional, Saraiva, Jorge A., additional, Bandarra, Narcisa M., additional, Sapatinha, Maria, additional, Paulo, Maria C., additional, Coutinho, Joana, additional, and Lemos, Marco F. L., additional

Published
2021
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9. Faecal Indicator Bacteria and Pseudomonas aeruginosa in Marine Coastal Waters: Is there a Relationship?

Author

Januário, Adriana P., Afonso, Clélia N., Mendes, Susana, and Rodrigues, Maria J.

Subjects
PSEUDOMONAS aeruginosa, COLIFORMS, SEWAGE disposal plants, MICROBIAL contamination, PATHOGENIC microorganisms, WATER pollution, TERRITORIAL waters
Abstract

To estimate the quality of coastal waters, European Union Directive 2006/7/EC provides guidelines to assess levels of faecal bacteria, including Escherichia coli and intestinal enterococci. These microbiological criteria are based on studies that determine the risk of bathers having diseases caused by enteric bacteria, not necessarily measuring the potential danger associated with the presence of nonenteric pathogens. The association between the presence of faecal contaminant indicators and nonenteric pathogenic microorganisms has not been well defined yet. The purpose of this study is to establish a relationship between Pseudomonas aeruginosa and microbiological indicators of faecal contamination. Presence of microbiological contamination in the coastal waters near the sewage treatment plant (STP) of Peniche (Portugal) was confirmed (P. aeruginosa 135.8 Colony Forming Unit/100 mL, Escherichia coli 1100.1 Most Probable Number/100 mL, intestinal enterococci 2685.9 MPN/100 mL) with much lower levels in the areas located south of the STP, along the main water coastal current (beach 1: 0.7 CFU/100 mL, 16.5 MPN/100 mL, 100.5 MPN/100 mL; beach 2: 0.3 CFU/100 mL, 74.0 MPN/100 mL, 145.9 MPN/100 mL, respectively). Analysis of Pearson's correlation revealed a strong positive correlation between E. coli and P. aeruginosa, suggesting E. coli as an indicator of P. aeruginosa presence. [ABSTRACT FROM AUTHOR]

Published
2020
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