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Keywords: copper
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Journal Articles
J Exp Biol (2021) 224 (24): jeb238790.
Published: 9 December 2021
...Theanuga Chandrapalan; Raymond W. M. Kwong ABSTRACT Trace metals such as iron, copper, zinc and manganese play essential roles in various biological processes in fish, including development, energy metabolism and immune response. At embryonic stages, fish obtain essential metals primarily from...
Journal Articles
J Exp Biol (2021) 224 (12): jeb241869.
Published: 25 June 2021
... as a major threat to pollinators, metal pollutants, which are often found in complex mixtures, have so far been overlooked. Here, we assessed the impact of acute exposure to field-realistic concentrations of three common metal pollutants, lead, copper and arsenic, and their combinations, on honey bee...
Includes: Supplementary data
Journal Articles
J Exp Biol (2011) 214 (6): 971–978.
Published: 15 March 2011
...Lucia Bettedi; Mohamad F. Aslam; Joanna Szular; Konstantinos Mandilaras; Fanis Missirlis Malvolio ( Mvl ) encodes the sole Drosophila melanogaster homologue of divalent metal transporter-1 (DMT1). The Drosophila transporter has been implicated in iron, manganese and copper cellular import. Indeed...
Includes: Supplementary data
Journal Articles
J Exp Biol (2008) 211 (5): 709–716.
Published: 1 March 2008
... on basal medium † Response to excess copper was measured in 7-day-old adults after a 24 h exposure to medium containing excess Cu (6 mmol l –1 ). Cu, Fe,Mn and Zn levels were determined by ICP-AES and expressed as ng/fly The relatively small reduction in Cu levels seen in Mvl 97f pupae...
Journal Articles
J Exp Biol (2007) 210 (6): 1036–1045.
Published: 15 March 2007
..., and in the nucleus. This study investigated the activation pattern and subcellular distribution of ERK in liver and gill cells of rainbow trout upon hypo-osmotic shock, addition of epidermal growth factor (EGF) and copper treatment. It further set out to characterize the hypothetical role of nuclear-export signal...
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2007) 210 (3): 438–446.
Published: 1 February 2007
...Catherine Gaitanaki; Maria Pliatska; Konstantina Stathopoulou; Isidoros Beis SUMMARY In the present study, we investigated the induction of the p38-MAPK signalling pathway by copper, as exemplified by CuCl 2 , in the isolated perfused heart of the amphibian Rana ridibunda . We found that p38-MAPK...
Journal Articles
J Exp Biol (2005) 208 (23): 4427–4436.
Published: 1 December 2005
...Erene Kefaloyianni; Eleni Gourgou; Vanessa Ferle; Efstathios Kotsakis; Catherine Gaitanaki; Isidoros Beis SUMMARY We investigated the effects of various heavy metals such as copper, zinc and cadmium, as well as acute thermal stress, on the signalling mechanisms involved in the protection...
Journal Articles
J Exp Biol (2005) 208 (17): 3341–3347.
Published: 1 September 2005
... not significantly affect cHH release and hyperglycemia. In addition, we measured the level and variation of 5-HT in the eyestalk and hemolymph of P. elegans following copper contamination. The release of 5-HT from the eyestalk is very rapid and dose dependent. In the hemolymph, a peak of 5-HT occurs after 30 min...
Journal Articles
J Exp Biol (2005) 208 (2): 287–296.
Published: 15 January 2005
... l -histidine zinc bis-complex dipeptide PEPT-1 glycyl-sarcosine copper heavy metal Homarus americanus intestine transmural transport epithelium l -leucine cotransport In crustaceans ions and organic solutes such as amino acids and sugars,obtained in the diet, are absorbed...
Journal Articles
J Exp Biol (2003) 206 (1): 153–162.
Published: 1 January 2003
...M. W. Beaumont; P. J. Butler; E. W. Taylor SUMMARY The present study was undertaken to answer two questions relating to the exposure of brown trout Salmo trutta to sublethal concentrations of copper and low pH (CLP) for 96h. (1) What is the effect of these pollutants on the rate of oxygen...
Journal Articles
J Exp Biol (2002) 205 (8): 1179–1188.
Published: 15 April 2002
...Martin Grosell; Chris M. Wood SUMMARY Several components of branchial copper uptake were identified in juvenile freshwater rainbow trout ( Oncorhynchus mykiss ) using 64 Cu. On the basis of competitive interactions between sodium and copper uptake,inhibition of copper uptake by a proton pump...
Journal Articles
J Exp Biol (2002) 205 (3): 405–413.
Published: 1 February 2002
...Pamela Chavez-Crooker; Nestor Garrido; Gregory A. Ahearn SUMMARY Mechanisms of copper transport into purified mitochondrial suspensions prepared from the hepatopancreas of the Atlantic lobster Homarus americanus were investigated. Mitochondria were purified by combining methods of differential...