Effects of water accommodated fractions (WAFs) of crude oil in two congeneric copepods Tigriopus sp.

Han, Jeonghoon; Kim, Hui-Su; Kim, Il-Chan; Kim, Sanghee; Hwang, Un-Ki; Lee, Jae‐Seong

doi:10.1016/j.ecoenv.2017.07.065

Cited by 20 publications

(2 citation statements)

References 64 publications

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“…It indirectly suggested that elevated temperature could markedly enhance the stimulation of ROS production in sea cucumber caused by crude oil exposure, resulting in a significant induced increase in the net ROS level. Consistent with our results, previous studies have also reported that significant increases in the ROS levels of marine organisms were recorded after exposure to elevated temperature [37][38][39] or crude oil [2,66,67]. As a natural byproduct of oxygen metabolism, ROS, such as hydrogen peroxide (H 2 O 2 ), hydroxyl radical (OH), and superoxide anion (O 2− ), plays an integral role in normal cell signaling and cellular function [68,69].…”

Section: Discussionsupporting

confidence: 91%

Combined Effects of Elevated Temperature and Crude Oil Pollution on Oxidative Stress and Apoptosis in Sea Cucumber (Apostichopus japonicus, Selenka)

Wang

et al. 2021

IJERPH

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Currently, global climate change and oil pollution are two main environmental concerns for sea cucumber (Apostichopus japonicus) aquaculture. However, no study has been conducted on the combined effects of elevated temperature and oil pollution on sea cucumber. Therefore, in the present study, we treated sea cucumber with elevated temperature (26 °C) alone, water-accommodated fractions (WAF) of Oman crude oil at an optimal temperature of 16 °C, and Oman crude oil WAF at an elevated temperature of 26 °C for 24 h. Results showed that reactive oxygen species (ROS) level and total antioxidant capacity in WAF at 26 °C treatment were higher than that in WAF at 16 °C treatment, as evidenced by 6.03- and 1.31-fold-higher values, respectively. Oxidative damage assessments manifested that WAF at 26 °C treatment caused much severer oxidative damage of the biomacromolecules (including DNA, proteins, and lipids) than 26 °C or WAF at 16 °C treatments did. Moreover, compared to 26 °C or WAF at 16 °C treatments, WAF at 26 °C treatment induced a significant increase in cellular apoptosis by detecting the caspase-3 activity. Our results revealed that co-exposure to elevated temperature and crude oil could simulate higher ROS levels and subsequently cause much severer oxidative damage and cellular apoptosis than crude oil alone on sea cucumber.

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Section: Discussionsupporting

confidence: 91%

Combined Effects of Elevated Temperature and Crude Oil Pollution on Oxidative Stress and Apoptosis in Sea Cucumber (Apostichopus japonicus, Selenka)

Wang

et al. 2021

IJERPH

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“…Montagna and Harper (1996) show that chronic oil exposure resulted in decreased abundance of harpacticoid copepods and amphipods and increased abundances of deposit feeding polychaetes and nematodes, which implies that related taxa may respond similarly to oil. In recent work by Han et al (2017), Antarctic copepods of the genus Tigriopus exposed to a water accommodated fraction (WAF) of crude oil exhibited oxidative stress and reproductive impairment through upregulation of certain enzymes, but the effects differed among species within the genus. Reproductive impairment of certain families or genera of marine invertebrates when exposed to WAF (Scarlett et al, 2007;Lewis et al, 2008) further strengthens the hypothesis that oil exposure has the potential to alter population dynamics.…”

Section: Introductionmentioning

confidence: 99%

Oil disturbance reduces infaunal family richness but does not affect phylogenetic diversity

Kiskaddon

Gadeken²,

Berke³

et al. 2022

Front. Environ. Sci.

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Infaunal organisms are susceptible to disturbances such as hypoxia and sediment contamination; changes in infaunal community structure are therefore often used as indicators of anthropogenic disturbance. Susceptibility to disturbance varies across taxa, either due to physiological factors or to behaviors or functional roles that increase exposure. Both sources of variability are likely to be heritable and shared among related taxa. Thus, we would expect oil disturbance to disproportionately affect related taxa and therefore decrease phylogenetic diversity (PD). We test this hypothesis for a shallow water marine infaunal community using a simulation approach that iteratively removes clades with shared vulnerability to oil exposure. Infauna were sampled at two sites in the Chandeleur Islands, LA, that reflect different exposures to crude oil after the Deepwater Horizon event. Seagrass and adjacent bare sediment habitats were sampled in 2015, 5 years after initial oil exposure, and again in 2016 after an acute re-oiling event. We found that strong correlation between PD and family richness masked any detectable PD patterns with oil exposure. For our full community tree, sensitivity analysis indicated that the removal of larger clades did not disproportionately reduce PD, against our prediction. For this pair of sites, PD did not provide a better metric for assessing the impacts of oil exposure than family richness alone. It is possible, however, that finer-scale taxonomic resolution of infaunal communities may better decouple PD from taxonomic richness. More work is needed to fully evaluate the impacts of disturbance on PD.

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Effects of temperature shifts on life parameters and expression of fatty acid synthesis and heat shock protein genes in temperate and Antarctic copepods Tigriopus japonicus and Tigriopus kingsejongensis

et al. 2018

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Effects of water accommodated fractions (WAFs) of crude oil in two congeneric copepods Tigriopus sp.

Cited by 20 publications

References 64 publications

Combined Effects of Elevated Temperature and Crude Oil Pollution on Oxidative Stress and Apoptosis in Sea Cucumber (Apostichopus japonicus, Selenka)

Combined Effects of Elevated Temperature and Crude Oil Pollution on Oxidative Stress and Apoptosis in Sea Cucumber (Apostichopus japonicus, Selenka)

Oil disturbance reduces infaunal family richness but does not affect phylogenetic diversity

Effects of temperature shifts on life parameters and expression of fatty acid synthesis and heat shock protein genes in temperate and Antarctic copepods Tigriopus japonicus and Tigriopus kingsejongensis

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