Joseph L. Humble

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The sand goby (Pomatoschistus minutus), is a marine and estuarine teleost that is used in environmental, reproductive and behavioural studies of oestrogenic endocrine disruption. The xeno-oestrogen, 17α-ethinyloestradiol (EE2), induces expression of egg proteins vitellogenin (VTG) and zona radiata protein (ZRP) in male fish and impairs reproduction.(More)
The salmon louse Lepeophtheirus salmonis (Krøyer, 1837) is an ectoparasite causing infections of wild and farmed Atlantic salmon (Salmo salar L.) in the Northern hemisphere. While L. salmonis control at commercial mariculture sites increasingly employs non-medicinal approaches, such as cage designs reducing infection rates and biological control through(More)
Parasitic infections by the salmon louse, Lepeophtheirus salmonis (Krøyer), cause huge economic damage in salmon farming in the northern hemisphere, with combined treatment costs and production losses in 2014 having been estimated at US$ 350 million for Norway (annual production 1.25 million tonnes). The control of L. salmonis relies significantly on(More)
This study aims to characterize the estrogen receptor (er) in sand goby (Pomatoschistus minutus) and determine the temporal effects of 17α-ethinyl estradiol (EE2) on erα and vitellogenin (vtg) gene expression in males. Two partial cDNA sequences (erα and erβ1) are presented showing conserved structural features with ers of other species. Transcript levels(More)
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