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The Impact of 17β-estradiol (E2) on the Growth Profile of Environmental Enterobacteriaceae

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Abstract

This work has investigated the effects of 17β-estradiol on the Enterobacteriaceae growth profile and whether they were antibiotic resistant. The experiments were performed in vitro with sixteen Enterobacteriaceae species exposed to 1, 10, and 100 ηg L−1 of E2, and antimicrobial resistance was evaluated for the five antibiotic classes. According to the antimicrobial profile, 12.5, 18.7, 18.7, and 50% of the Enterobacteriaceae strains were resistant to four, one, two, and three antibiotics, respectively. The bacteria response to the E2 was species-specific, where some strains grew up 99.99%, if compared to the negative control. Other bacteria had the growth inhibited, and others had not affected the growth profile by the hormone. These differences might be related to various mechanisms of each bacteria cell and its metabolism. Therefore, the impact of 17β-estradiol in the environment on pathogenic bacteria is of particular concern due to the increased human population and animal protein consumption, potentially resulting in a load of hormones and pathogens in the environment, becoming an invisible threat.

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Data Availability

The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Funding

The authors gratefully acknowledge the support provided by FAPESC CP 48/2021and Governo do Estado de Santa Catarina.

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A.A. and W.M — conceptualization, data curation, formal analysis, investigation, writing — original draft, writing — review and editing; P.R.J., D.M.A., and P.R.S.M — methodology, formal analysis; M.P.S. and N.D — writing — review and editing.

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Correspondence to William Michelon.

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Viancelli, A., Avalos, D.M., Reis, P. et al. The Impact of 17β-estradiol (E2) on the Growth Profile of Environmental Enterobacteriaceae. Water Air Soil Pollut 234, 20 (2023). https://doi.org/10.1007/s11270-022-06036-3

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  • DOI: https://doi.org/10.1007/s11270-022-06036-3

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