Adverse effects of microplastics and oxidative stress-induced MAPK/Nrf2 pathway-mediated defense mechanisms in the marine copepod Paracyclopina nana

Microplastic pollution causes a major concern in the marine environment due to their worldwide distribution, persistence, and adverse effects of these pollutants in the marine ecosystem. Despite its global presence, there is still a lack of information on the effect of microplastics on marine organi...

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Veröffentlicht in:Scientific reports 2017-01, Vol.7 (1), p.41323-41323, Article 41323
Hauptverfasser: Jeong, Chang-Bum, Kang, Hye-Min, Lee, Min-Chul, Kim, Duck-Hyun, Han, Jeonghoon, Hwang, Dae-Sik, Souissi, Sami, Lee, Su-Jae, Shin, Kyung-Hoon, Park, Heum Gi, Lee, Jae-Seong
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container_title Scientific reports
container_volume 7
creator Jeong, Chang-Bum
Kang, Hye-Min
Lee, Min-Chul
Kim, Duck-Hyun
Han, Jeonghoon
Hwang, Dae-Sik
Souissi, Sami
Lee, Su-Jae
Shin, Kyung-Hoon
Park, Heum Gi
Lee, Jae-Seong
description Microplastic pollution causes a major concern in the marine environment due to their worldwide distribution, persistence, and adverse effects of these pollutants in the marine ecosystem. Despite its global presence, there is still a lack of information on the effect of microplastics on marine organisms at the molecular level. Herein we demonstrated ingestion and egestion of nano- (0.05 μm) and micro-sized (0.5 and 6 μm) polystyrene microbeads in the marine copepod Paracyclopina nana , and examined molecular responses to exposure to microbeads with in vivo endpoints such as growth rate and fecundity. Also, we proposed an adverse outcome pathway for microplastic exposure that covers molecular and individual levels. This study provides the first insight into the mode of action in terms of microplastic-induced oxidative stress and related signaling pathways in P. nana .
doi_str_mv 10.1038/srep41323
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subjects 45/77
631/158/2455
704/172/4081
704/829/826
82/1
82/80
96/1
96/95
Animals
Antioxidants - metabolism
Aquatic Organisms - metabolism
Copepoda - drug effects
Copepoda - enzymology
Copepoda - metabolism
Defense mechanisms
Environmental Monitoring
Fecundity
Fluorescent Dyes - metabolism
Glutathione Peroxidase - metabolism
Glutathione Reductase - metabolism
Glutathione Transferase - metabolism
Growth rate
Humanities and Social Sciences
Ingestion
MAP kinase
Marine ecosystems
Marine environment
Marine organisms
Marine pollution
Microplastics
Microspheres
Mitogen-Activated Protein Kinases - metabolism
Mode of action
Models, Biological
multidisciplinary
NF-E2-Related Factor 2 - metabolism
Oxidative stress
Oxidative Stress - drug effects
Phosphorylation - drug effects
Plastic debris
Plastic pollution
Plastics - toxicity
Pollutants
Polystyrene
Polystyrenes - chemistry
Reactive Oxygen Species - metabolism
Science
Science (multidisciplinary)
Side effects
Signal Transduction - drug effects
Superoxide Dismutase - metabolism
title Adverse effects of microplastics and oxidative stress-induced MAPK/Nrf2 pathway-mediated defense mechanisms in the marine copepod Paracyclopina nana
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