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Keywords: H+-ATPase
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Journal Articles
J Exp Biol (2020) 223 (2): jeb215111.
Published: 22 January 2020
...Alex M. Zimmer; Khatereh Shir-Mohammadi; Raymond W. M. Kwong; Steve F. Perry ABSTRACT Freshwater fishes absorb Na + from their dilute environment using ion-transporting cells. In larval zebrafish ( Danio rerio ), Na + uptake is coordinated by (1) Na + /H + exchanger 3b (Nhe3b) and (2) H + -ATPase...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (18): 3270–3279.
Published: 15 September 2017
... H + -ATPase (VHA)-assisted uptake via a Na + channel and a NHE-based mechanisms for Na + uptake. Immunolocalization of VHA and Na + /K + -ATPase (NKA) indicated at least two cell types present within leech skin, VHA + and VHA − cells, where the VHA + cells are probably involved in Na + uptake. NKA...
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 (2010) 213 (18): 3150–3160.
Published: 15 September 2010
... environmental ammonia (HEA; 1 and 5 mmol l –1 NH 4 HCO 3 ) and evaluated the patterns of ammonia excretion and gill Rh mRNA and protein expression. Gill H + -ATPase , NHE1 , NHE2 , NHE3 , Na + /K + -ATPase ( NKA ), Na + /K + /2Cl – co-transporter ( NKCC1 ) mRNA, H + -ATPase activity, NKA protein and activity...
Journal Articles
J Exp Biol (2009) 212 (15): 2303–2312.
Published: 1 August 2009
... transporters (Rhcg, V-type H + -ATPase, Na + /H + exchanger NHE-2 and/or NHE-3, Na + channel) working together as a metabolon provides an acid trapping mechanism for apical excretion. Intracellular carbonic anhydrase(CA-2) and basolateral Na + /HCO – 3 cotransporter (NBC-1) and Na + /K + -ATPase play indirect...
Journal Articles
J Exp Biol (2009) 212 (11): 1753–1761.
Published: 1 June 2009
... that is critical for male fertility. * Author for correspondence (e-mail: sbreton@partners.org ) 6 1 2009 2009 H + -ATPase pseudostratified epithelia basal cells clear cells The establishment of male fertility is a complex process that requires concerted interactions between...
Journal Articles
J Exp Biol (2009) 212 (11): 1762–1772.
Published: 1 June 2009
... ) 26 1 2009 © The Company of Biologists Limited 2009 2009 H + -ATPase soluble adenylyl cyclase intercalated cells proton secretion acidification pH sensing The V-ATPase is a ubiquitous enzyme that is best known for its role in acidifying various intracellular organelles...
Journal Articles
J Exp Biol (2009) 212 (6): 878–892.
Published: 15 March 2009
... of Rhbg, Rhcg2,H + -ATPase and Na + /H + exchanger-2 (NHE-2) were up-regulated in DSI pre-exposed to ammonia and cortisol, CA-2 mRNA was down-regulated, and transepithelial potential became more negative. Bafilomycin (1 μmol l –1 ), phenamil (10 μmol l –1 ) and 5-( N,N -hexamethylene)amiloride (HMA...
Journal Articles
J Exp Biol (2006) 209 (4): 599–609.
Published: 15 February 2006
...Martin Tresguerres; Scott K. Parks; Fumi Katoh; Greg G. Goss SUMMARY We have previously shown that continuous intravenous infusion of NaHCO 3 for 24 h (∼1000 μmol kg -1 h -1 )results in the relocation of V-H + -ATPase from the cytoplasm to the basolateral membrane in the gills of the Pacific...
Journal Articles
J Exp Biol (2005) 208 (2): 345–354.
Published: 15 January 2005
... proton ATPase (V-H + -ATPase)-rich or sodium-potassium ATPase(Na + /K + -ATPase)-rich cells in all fish examined. A minority of the cells also labeled positive for both transporters. Gill cell membranes prepared from NaHCO 3 -infused fish showed significant increases in both V-H + -ATPase abundance (300...
Journal Articles
J Exp Biol (2004) 207 (6): 905–912.
Published: 22 February 2004
... + /K + -ATPase activity increased fivefold and H + -ATPase activity decreased fourfold when trout were acclimated to either 10‰ or 30‰ seawater. When total MR gill cells were separated based on differential binding to peanut lectin agglutinin (PNA), the PNA subtypes underwent a change in relative...
Journal Articles
J Exp Biol (2004) 207 (5): 787–801.
Published: 15 February 2004
... was partially inhibited by bafilomycin, indicating the possible involvement of a V-type H + -ATPase. P. schlosseri could also increase the rate of H + excretion in response to the presence of ammonia in a neutral (pH 7.0) external medium. Increased H + excretion in P. schlosseri occurred in the head region...
Journal Articles
J Exp Biol (2002) 205 (17): 2583–2590.
Published: 1 September 2002
..., NJ 08544, USA (e-mail: ssawai@molbio.princeton.edu ) 20 5 2002 © The Company of Biologists Limited 2002 2002 oxygen pH ammonia H + -ATPase reaction-diffusion Dictyostelium discoideum In 1995, Bonner and his colleagues( Bonner et al., 1995 ) reported a rapid...
Journal Articles
J Exp Biol (1991) 161 (1): 119–134.
Published: 1 November 1991
... of inhibition of Na + /K + -ATPase on the basolateral border ofthe gill epithelium. 5 7 1991 © 1991 by Company of Biologists 1991 acidification carbon dioxide ammonia H + -ATPase SITS amiloride vanadate acetazolamide gill rainbow trout Oncorhynchus mykiss J. exp. Biol. 161, 119...