Importance of maternal transfer of the photoreactive polycyclic aromatic hydrocarbon fluoranthene from benthic adult bivalves to their pelagic larvae

Pelletier, Marguerite C.; Burgess, Robert M.; Cantwell, Mark G.; Serbst, Jonathan R.; Ho, Kay T.; Ryba, Stephan A.

doi:10.1002/etc.5620191112

“…Aqueous fluoranthene samples were extracted with methylene chloride and exchanged to hexane. Sediments were solvent extracted with acetone and exchanged to hexane [19]. Fluoranthene extracts were analyzed by gas chromatography/mass spectroscopy (Model 5971A; Hewlett‐Packard, Avondale, PA, USA).…”

Section: Methodssupporting

confidence: 94%

Use of Ulva lactuca to identify ammonia toxicity in marine and estuarine sediments

Pelletier

¹

,

Ho

²

,

Cantwell

³

et al. 2001

Enviro Toxic and Chemistry

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Toxicity identification evaluation (TIE) methods are being developed for use with whole sediments. Although a phase I TIE method has been developed to characterize ammonia toxicity in aqueous samples using the marine macroalga Ulva lactuca, the relationship between amphipod and mysid mortality and uptake by U. lactuca of bedded sediment ammonia had not been explored. Additionally, it was not known how interactions in whole sediments between metal and organic contaminants with U. lactuca and ammonia would affect TIE interpretation. The current study showed that ammonia toxicity to amphipods and mysids was reduced significantly in marine sediments in the presence of U. lactuca. The alga slightly affected metal concentrations but did not alter the concentration of organic contaminants in either overlying or interstitial waters. Conversely, ammonia uptake by U. lactuca was not affected by the presence of metal or organic contaminants in the sediments. When used with other TIE manipulations, U. lactuca can be utilized in a whole-sediment, phase I TIE to remove toxicity due to ammonia.

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“…Total ammonia (NH 3 ϩ ) was measured using an Orion were extracted with methylene chloride and exchanged to hexane. Sediments were solvent extracted with acetone and exchanged to hexane [19]. Fluoranthene extracts were analyzed by gas chromatography/mass spectroscopy (Model 5971A; Hewlett-Packard, Avondale, PA, USA).…”

Section: Chemical Analysessupporting

confidence: 94%

Use of Ulva Lactuca to Identify Ammonia Toxicity in Marine and Estuarine Sediments

Pelletier¹,

Ho²,

Cantwell³

et al. 2001

Environ Toxicol Chem

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Toxicity identification evaluation (TIE) methods are being developed for use with whole sediments. Although a phase I TIE method has been developed to characterize ammonia toxicity in aqueous samples using the marine macroalga Ulva lactuca, the relationship between amphipod and mysid mortality and uptake by U. lactuca of bedded sediment ammonia had not been explored. Additionally, it was not known how interactions in whole sediments between metal and organic contaminants with U. lactuca and ammonia would affect TIE interpretation. The current study showed that ammonia toxicity to amphipods and mysids was reduced significantly in marine sediments in the presence of U. lactuca. The alga slightly affected metal concentrations but did not alter the concentration of organic contaminants in either overlying or interstitial waters. Conversely, ammonia uptake by U. lactuca was not affected by the presence of metal or organic contaminants in the sediments. When used with other TIE manipulations, U. lactuca can be utilized in a whole-sediment, phase I TIE to remove toxicity due to ammonia.

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“…The MeHg in walleye represented 0.2 to 2.1% of the total body burden in all the samples collected, and the MeHg concentration in the eggs was strongly dependent on the MeHg concentration in the females. For nonpolar organics, Pelletier et al [22] exposed marine bivalves to sediments contaminated with the photoreactive polyaromatic hydrocarbon compound fluoranthene. They found a significant relationship between the polyaromatic hydrocarbon concentrations in embryo and adult bivalves.…”

Section: Resultsmentioning

confidence: 99%

Maternal transfer efficiency and transgenerational toxicity of methylmercury in Daphnia magna

Tsui

¹

,

Wang

²

2004

Enviro Toxic and Chemistry

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We examined maternal transfer efficiency, retention by subsequent generations, and transgenerational toxicity of methylmercury (CH3Hg or MeHg) in a population of freshwater zooplankton (Daphnia magna). The effect of dietary MeHg residence time in the daphnids on the efflux system also was quantified. After ingesting a relatively high dosage of MeHg, D. magna exhibited a reduction of live neonates and an increase of undeveloped eggs (or embryos), which reflected the sublethal toxicity of MeHg. The daily maternal transfer efficiency of MeHg to both reproductive outputs ranged from 0.42 to 4.9% over different ages of the parental daphnids, which was dependent on the daily reproductive output. During the lifetime of D. magna, reproduction contributed to 10.8% +/- 1.74% (n = 3) SD of total MeHg loss from the parental daphnids. The percentage of MeHg retention by the second generation (F1) of D. magna (40-60%) was generally higher than that by the parental generation (F0; approximately 25%) after 20 d of depuration. Methylmercury imposed sublethal toxicity to the F0 and F1 generations, but a smaller effect was observed on the F2 generation. Because of the very low MeHg body burden in the subsequent generations, we hypothesized that factors other than MeHg, such as nutritional deficiency in the offspring contributed to the transgenerational toxicity. Different MeHg residence times did not significantly affect the efflux rate of MeHg but did significantly affect the relative importance of reproduction as the elimination pathway for MeHg. Based on the MeHg body burden of neonates, we estimated that MeHg took 2.5 to 3.0 d to be optimally transferred from assimilation (e.g., gut) to the site of egg development (e.g., brood chamber) in D. magna. Our study demonstrated that maternal transfer of MeHg in freshwater zooplankton is an important predictor of MeHg concentration in their offspring and is a time-dependent and highly dynamic process.

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Importance of maternal transfer of the photoreactive polycyclic aromatic hydrocarbon fluoranthene from benthic adult bivalves to their pelagic larvae

Cited by 23 publications

References 51 publications

Use of Ulva lactuca to identify ammonia toxicity in marine and estuarine sediments

Use of Ulva lactuca to identify ammonia toxicity in marine and estuarine sediments

Use of Ulva Lactuca to Identify Ammonia Toxicity in Marine and Estuarine Sediments

Maternal transfer efficiency and transgenerational toxicity of methylmercury in Daphnia magna

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