Changes in microRNA-mRNA Signatures Agree with Morphological, Physiological, and Behavioral Changes in Larval Mahi-Mahi Treated with Deepwater Horizon Oil

Elvis Genbo Xu, Jason T. Magnuson, Graciel Diamante, Edward Mager, Christina Pasparakis, Martin Grosell, Aaron P. Roberts, Daniel Schlenk

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

In this study, we performed a systematic evaluation of global microRNA-mRNA interactions associated with the developmental toxicity of Deepwater Horizon oil using a combination of integrated mRNA and microRNA deep sequencing, expression profiling, gene ontology enrichment, and functional predictions by a series of advanced bioinformatic tools. After exposure to water accommodated fraction (WAF) of both weathered slick oil (0.5%, 1%, and 2%) and source oil (0.125%, 0.25%, and 0.5%) from the Deep Water Horizon oil spill, four dose-dependent miRNAs were identified, including three up-regulated (miR-23b, miR-34b, and miR-181b) and one down-regulated miRNAs (miR-203a) in mahi-mahi hatchings exposed from 6 h postfertilization (hpf) to 48 hpf. Consistent with morphological, physiological, and behavioral changes, the target genes of these miRNAs were largely involved in the development of the cardiovascular, visual, nervous system and associated toxicity pathways, suggesting that miRNAs play an essential role in regulating the responses to oil exposure. The results obtained from this study improve our understanding of the role of miRNAs and their target genes in relation to dose-dependent oil toxicity and provide the potential of using miRNAs as novel biomarkers in future oil studies.

Original languageEnglish (US)
Pages (from-to)13501-13510
Number of pages10
JournalEnvironmental Science and Technology
Volume52
Issue number22
DOIs
StatePublished - Nov 20 2018

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MicroRNAs
Oils
Messenger RNA
oil
toxicity
Toxicity
Genes
bioinformatics
gene
nervous system
oil spill
gene expression
hatching
biomarker
deep water
Water
Oil spills
Neurology
Biomarkers
Bioinformatics

ASJC Scopus subject areas

  • Chemistry(all)
  • Environmental Chemistry

Cite this

Changes in microRNA-mRNA Signatures Agree with Morphological, Physiological, and Behavioral Changes in Larval Mahi-Mahi Treated with Deepwater Horizon Oil. / Xu, Elvis Genbo; Magnuson, Jason T.; Diamante, Graciel; Mager, Edward; Pasparakis, Christina; Grosell, Martin; Roberts, Aaron P.; Schlenk, Daniel.

In: Environmental Science and Technology, Vol. 52, No. 22, 20.11.2018, p. 13501-13510.

Research output: Contribution to journalArticle

Xu, Elvis Genbo ; Magnuson, Jason T. ; Diamante, Graciel ; Mager, Edward ; Pasparakis, Christina ; Grosell, Martin ; Roberts, Aaron P. ; Schlenk, Daniel. / Changes in microRNA-mRNA Signatures Agree with Morphological, Physiological, and Behavioral Changes in Larval Mahi-Mahi Treated with Deepwater Horizon Oil. In: Environmental Science and Technology. 2018 ; Vol. 52, No. 22. pp. 13501-13510.
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