Maternal polycyclic aromatic hydrocarbon (PAH) transfer and effects on offspring of copepods exposed to dispersed oil with and without oil droplets.

作者: Bjørn Henrik Hansen , Ann M. Tarrant , Iurgi Salaberria , Dag Altin , Trond Nordtug

DOI: 10.1080/15287394.2017.1352190

关键词: Oil dropletCalanus finmarchicusPetroleumCalanusBotanyCopepodEnvironmental chemistryOffspringBiologyHatchingPolycyclic aromatic hydrocarbon

摘要: ABSTRACTCopepods of the genus Calanus have potential for accumulating lipophilic oil components due to their high lipid content and found filter ingest droplets during exposure. As female copepods produce eggs at expense storage, there is a concern transfer contaminants offspring. To assess maternal components, ovigerous (Calanus finmarchicus) were exposed filtered unfiltered dispersions 4 days, collected maintained in clean seawater hatching gene expression examined hatched nauplii. Oil droplet exposure contributed polycyclic aromatic hydrocarbon (PAH) uptake dispersion-treated adult copepods, as displayed through PAH body residue analyses fluorescence microscopy. Applying latter methodology, heavy from copepod mothers offspring detected Subtle effects observed evidenced by temporal reduction success ...

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