Estrogen induces shift in abundances of specific groups of the coral microbiome: Scientific Reports

Caren L. S. Vilela, Helena D. M. Villela, Gustavo A. S. Duarte, Erika P. Santoro, Caio T. C. C. Rachid, Raquel S. Peixoto

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Synthetic estrogens such as ethinylestradiol (EE2) are persistent micropollutants that are not effectively removed from wastewater by conventional treatments. These contaminants are released into waterbodies, where they disrupt endocrine systems of organisms and cause harmful effects such as feminization, infertility, reproduction problems and genital malformations. The consequences of this pollution for key marine ecosystems such as coral reefs and their associated microbiomes are underexplored. We evaluated the effects of EE2 concentrations of 100 ng L−1 and 100 µg L−1 on the coral metaorganism Mussismilia harttii. The results indicated no effects on visible bleaching or Fv/Fm ratios in the corals during a 17-day microcosm experiment. However, next-generation sequencing of 16S rDNA revealed a statistically significant effect of high EE2 concentrations on OTU richness, and shifts in specific microbial groups after treatments with or without EE2. These groups might be bioindicators of early shifts in the metaorganism composition caused by EE2 contamination. © 2021, The Author(s).
Original languageEnglish (US)
JournalSci. Rep.
Volume11
Issue number1
DOIs
StatePublished - Feb 2 2021

Bibliographical note

KAUST Repository Item: Exported on 2021-02-11
Acknowledgements: The authors thank the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) and the Instituto Museu Aquário Marinho do Rio de Janeiro-AquaRio (IMAM/AquaRio)—Rio de Janeiro Marine Aquarium Research Center, Rio de Janeiro.

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