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Keywords: pH
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Journal Articles
J Exp Biol (2023) 226 (23): jeb246432.
Published: 30 November 2023
...Coline Caillon; Fabrice Pernet; Mathieu Lutier; Carole Di Poi ABSTRACT Ocean acidification (OA), a consequence of the increase in anthropogenic emissions of carbon dioxide, causes major changes in the chemistry of carbonates in the ocean with deleterious effects on calcifying organisms. The pH/ P...
Includes: Supplementary data
Journal Articles
JEB: 100 years of discovery
Series: CENTENARY ARTICLE
J Exp Biol (2023) 226 (14): jeb245747.
Published: 31 July 2023
... mechanisms for ionic, osmotic and acid–base regulation, with profound evolutionary and environmental implications; this classic research area continues to evolve as JEB celebrates 100 years of discovery. CO 2 Comparative physiology Gill pH Ionocyte Acidosis Alkalosis National Science...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (9): jeb242435.
Published: 12 May 2021
... to [Hb]: (2) The acid–base balance of arterial blood and erythrocytes is depicted in Fig. 2 as a Davenport diagram showing the relationship between [HCO 3 − ] and pH at calculated isopleths for P CO 2 . This depiction shows that diving induced an arterial respiratory acidosis, where pH...
Journal Articles
J Exp Biol (2021) 224 (7): jeb229229.
Published: 7 April 2021
... remains largely unstudied. We hereby provide the first comparative study of the physical properties of venom in spitting and non-spitting cobras. We measured the viscosity, protein concentration and pH of the venom of 13 cobra species of the genus Naja from Africa and Asia, alongside the spitting elapid...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (13): jeb196543.
Published: 28 June 2019
... and 90 days at three mean pH T levels (total scale): 8.1 (ambient), 7.7 and 7.4. Moderately decreased tube elongation rates were observed in both species at pH T 7.7 while severe reductions occurred at pH T 7.4. There was visual evidence of dissolution and tubes were more fragile at lower pH...
Includes: Supplementary data
Journal Articles
Journal Articles
J Exp Biol (2016) 219 (14): 2088–2097.
Published: 15 July 2016
.... pH Soluble adenylyl cyclase Carbonic anhydrase Carbon-concentrating mechanism Ocean acidification Osedax The vacuolar-type H + -ATPase (VHA) is a multi-subunit enzyme that is ubiquitous in eukaryotic cells. VHA uses the energy from ATP hydrolysis to drive H + transport against...
Journal Articles
J Exp Biol (2013) 216 (8): 1405–1411.
Published: 15 April 2013
...Lina Ceballos-Osuna; Hayley A. Carter; Nathan A. Miller; Jonathon H. Stillman SUMMARY Intertidal zone organisms naturally experience daily fluctuations in pH, presently reaching values beyond what is predicted for open ocean surface waters from ocean acidification (OA) by the year 2100, and thus...
Includes: Supplementary data
Journal Articles
Journal Articles
Journal Articles
J Exp Biol (2012) 215 (9): 1491–1501.
Published: 1 May 2012
... alone (at equimolar concentration) in both hepatocytes and enterocytes. Cellular accumulation of selenium was found to be energy independent. Interestingly, we observed a decrease in selenite transport with increasing pH, whereas selenite uptake increased with increasing pH in the presence glutathione...
Includes: Supplementary data
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Journal Articles
J Exp Biol (2009) 212 (11): 1662–1671.
Published: 1 June 2009
...Paul J. Linser; Kristin E. Smith; Terri J. Seron; Marco Neira Oviedo SUMMARY Mosquito larvae use a digestive strategy that is relatively rare in nature. The anterior half of the larval mosquito midgut has a luminal pH that ranges between 10.5 and 11.5. Most other organisms, both large and small...
Journal Articles
J Exp Biol (2008) 211 (19): 3167–3173.
Published: 1 October 2008
...Yuchun Gu SUMMARY [Ca 2+ ] i and pH have been demonstrated to affect Na + transport in epithelium mediated via the apical epithelial Na + channel (ENaC). However, it still remains unclear whether the effects of [Ca 2+ ] i and intracellular pH(pH i ) on ENaC activity are direct. In this study...
Journal Articles
J Exp Biol (2008) 211 (5): 671–677.
Published: 1 March 2008
... of host plant on gut conditions on gypsy moth ( Lymantria dispar ) caterpillars. J. Insect Physiol. 41 , 241 -246. Beesley, S. G., Compton, S. G. and Jones, D. A. ( 1985 ). Rhodanese in insects. J. Chem. Ecol. 11 , 45 -50. Berenbaum, M. R. ( 1980 ). Adaptive significance of midgut pH...
Journal Articles
J Exp Biol (2007) 210 (7): 1245–1254.
Published: 1 April 2007
..., we examine the effects of temperature and thermal change on the acid–base status of the lobster hemolymph. Total CO 2 , pH, P CO 2 and HCO – 3 were measured in hemolymph sampled from lobsters acclimated to temperature in the laboratory as well as from lobsters acclimated to seasonal temperatures...
Journal Articles
J Exp Biol (2006) 209 (13): 2586–2594.
Published: 1 July 2006
...Michael P. Smith; Ryan A. Dombkowski; Jeffrey T. Wincko; Kenneth R. Olson SUMMARY pH is recognized as a modulator of vascular smooth muscle (VSM) tone in mammalian vessels, but little is known about its effects on fish VSM. We investigated the effects of extracellular and intracellular pH (pH o...
Journal Articles