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Keywords: Salinity
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Journal Articles
J Exp Biol (2022) 225 (9): jeb242503.
Published: 5 May 2022
... in a dynamic environment may trade off with the capacity to deal with other stressors. This paper will explore studies on select fishes and invertebrates exposed to fluctuations in dissolved oxygen, salinity and pH. We assess the physiological mechanisms these species employ to achieve homeostasis...
Journal Articles
J Exp Biol (2020) 223 (24): jeb233478.
Published: 29 December 2020
.... trossulus varies on a seasonal basis, along an intertidal shore-level gradient, and with changing salinity. Acclimation to increased salinity (30 ppt compared with 15 ppt) increased freeze tolerance, and mussels were significantly more freeze tolerant during the winter. Mussel freeze tolerance also...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (18): jeb220251.
Published: 16 September 2020
... during the transition from FW to SW ( Hiroi and McCormick, 2012 ). Increased plasma glucose after 1–3 days of exposure to increased salinity has also been observed in green sturgeon, with higher levels seen with increasing ration size ( Haller et al., 2015 ). We have shown for the first time...
Journal Articles
J Exp Biol (2017) 220 (13): 2397–2408.
Published: 1 July 2017
.... Despite the potential benefits of increased mixing and transport of imbibed water for increasing the efficiency of absorptive processes, the effect of water salinity on intestinal motility in teleosts remains unexplored. By qualitatively and quantitatively describing in vivo intestinal motility...
Includes: Supplementary data
Journal Articles
J Exp Biol (2016) 219 (4): 571–581.
Published: 15 February 2016
...Casey A. Mueller; Eric Willis; Warren W. Burggren ABSTRACT A 3D conceptual framework of ‘critical windows’ was used to examine whether the morphometry of Artemia franciscana is altered by salinity exposure during certain key periods of development. Artemia franciscana were hatched at 20 ppt...
Journal Articles
J Exp Biol (2014) 217 (17): 3108–3121.
Published: 1 September 2014
...Steffen S. Madsen; Joanna Bujak; Christian K. Tipsmark We investigated the salinity-dependent expression dynamics of seven aquaporin paralogs ( aqp1a, aqp3a, aqp7, aqp8ab, aqp10a, aqp10b and aqp11a ) in several tissues of euryhaline Japanese medaka ( Oryzias latipes ). All paralogs except aqp7...
Journal Articles
J Exp Biol (2014) 217 (1): 23–34.
Published: 1 January 2014
... , as a case study. Consistent with the extreme environmental variation that they experience in their salt marsh habitats, killifish have substantial capacity for both short-term resistance and long-term plasticity in the face of changing temperature, salinity and oxygenation. There is inter-population...
Journal Articles
J Exp Biol (2013) 216 (19): 3637–3648.
Published: 1 October 2013
...Sima Jonusaite; Scott P. Kelly; Andrew Donini SUMMARY A role for the rectum in the ionoregulatory homeostasis of larval Chironomus riparius was revealed by rearing animals in different saline environments and examining: (1) the spatial distribution and activity of keystone ionomotive enzymes Na...
Journal Articles
J Exp Biol (2013) 216 (14): 2607–2618.
Published: 15 July 2013
... capacity of brackish waters, acidic inputs from freshwaters and land, and/or the negative effects of salinity on the physiology of organisms. We determined the interactive effects of 21 weeks of exposure to different levels of CO 2 (~395, 800 and 1500 μatm corresponding to pH of 8.2, 8.1 and 7.7...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (3): 470–479.
Published: 1 February 2013
... response of the sea bream ( Sparus aurata L.) to relevant changes of external salinity (12, 35 and 55 p.p.t.), focusing on the anterior intestine and in the less-often studied rectum. Intestinal water absorption, epithelial HCO 3 − secretion and gene expression of the main molecular mechanisms (SLC26a6...
Journal Articles
J Exp Biol (2012) 215 (1): 29–43.
Published: 1 January 2012
..., including mollusks. In estuaries, exposure to elevated CO 2 levels often co-occurs with other stressors, such as reduced salinity, which enhances the acidification trend, affects ion and acid–base regulation of estuarine calcifiers and modifies their response to ocean acidification. We studied...
Journal Articles
J Exp Biol (2011) 214 (14): 2435–2442.
Published: 15 July 2011
... control levels over time. Gill H + -ATPase activity increased by more than 45% 14 days after exposure to freshwater, whereas H + -ATPase mRNA levels were not affected by the salinity change. Within 4 days of freshwater exposure, gill Na + /K + -ATPase activity increased ∼43% over control levels, remaining...
Journal Articles
J Exp Biol (2011) 214 (13): 2140–2156.
Published: 1 July 2011
...Leslie S. Babonis; Stephanie N. Miller; David H. Evans SUMMARY To understand renal responses to salinity change in aquatic reptiles, we examined the structure and function of the kidney in three species of snake: a marine species with a salt gland ( Laticauda semifasciata ), a marine species...
Journal Articles
J Exp Biol (2011) 214 (6): 928–936.
Published: 15 March 2011
... to different environmental salinities alters levels of circulating melatonin in a number of fish species, including rainbow trout. However, nothing is known regarding salinity effects on melatonin synthesis in the pineal organ, which is the main source of rhythmically produced and secreted melatonin in blood...
Journal Articles
J Exp Biol (2011) 214 (5): 709–716.
Published: 1 March 2011
... transparent and more conspicuous to predators. We tested this in the transparent grass shrimp, Palaemonetes pugio , which is found in shallow estuaries where both salinity and temperature change rapidly because of tidal cycles, evaporation and runoff. Animals originally kept at a salinity of 15 p.p.t...
Journal Articles
J Exp Biol (2009) 212 (16): 2532–2540.
Published: 15 August 2009
...Zélia Velez; Peter C. Hubbard; Eduardo N. Barata; Adelino V. M. Canário SUMMARY The Senegalese sole is a marine flatfish, which often penetrates into estuarine waters to feed. It cannot, however, survive in full freshwater. The current study investigated the effect of adaptation to low salinity...
Journal Articles
J Exp Biol (2008) 211 (23): 3750–3758.
Published: 1 December 2008
... targeting of the enzyme. In mammals,seven FXYD members have been found. FXYD proteins have been identified as the regulatory protein of NKA in mammals and elasmobranchs, it is thus interesting to examine the expression and functions of FXYD protein in the euryhaline teleosts with salinity-dependent changes...
Includes: Supplementary data
Journal Articles
J Exp Biol (2008) 211 (22): 3636–3649.
Published: 15 November 2008
... The Company of Biologists Limited 2008 2008 fish genomics Gillichthys mirabilis microarray osmotic salinity signaling stress transcriptome Osmolality is a pervasive abiotic factor that has a strong influence on cellular and organismal function ( Somero and Yancey, 1997 ; Kültz...
Includes: Supplementary data
Journal Articles
J Exp Biol (2008) 211 (17): 2773–2778.
Published: 1 September 2008
.... We found profound differences between these two phases in the way salinity and temperature affect hemolymph levels of methyl farnesoate (MF), a hormone that affects crustacean reproduction. Few green-phase males (<10%) had detectable MF in 33 ppt seawater (SW) at 11 or 18°C. By contrast, about 30...
Journal Articles
J Exp Biol (2007) 210 (19): 3494–3504.
Published: 1 October 2007
... fish for the control (FW transferred to FW). All samples were processed at the same time: 09.30–11.30 h in order to normalize the effects of circadian rhythms on physiological metabolism. Sampled gills and liver were immediately placed in ice-cold 1% phosphate-buffered saline (PBS) and were...