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Keywords: Gill
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Journal Articles
J Exp Biol (2020) 223 (19): jeb226076.
Published: 9 October 2020
...Laura Cadiz; Michael G. Jonz ABSTRACT The ability to continuously grow and regenerate the gills throughout life is a remarkable property of fish and amphibians. Considering that gill regeneration was first described over one century ago, it is surprising that the underlying mechanisms of cell...
Journal Articles
J Exp Biol (2019) 222 (13): jeb204800.
Published: 5 July 2019
...Yihang K. Pan; Milica Mandic; Alex M. Zimmer; Steve F. Perry ABSTRACT In water-breathing fishes, the hypoxic ventilatory response (HVR) represents an increase in water flow over the gills during exposure to lowered ambient O 2 levels. The HVR is a critical defense mechanism that serves to delay...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (13): jeb163709.
Published: 4 July 2018
... differentiation. Significant advances have been made in our knowledge about tissue-specific functions of Hif proteins, especially with respect to gill or gonadal tissue. The hypoxia signalling pathway is known to be tightly and mutually intertwined with the circadian clock in zebrafish and mammals. Recently...
Journal Articles
J Exp Biol (2018) 221 (5): jeb164582.
Published: 12 March 2018
... fish activate acid- and/or base-transporting mechanisms at the gill. In trout, the abundance of ionocyte types, as well as the proportion of ionocytes that expresses carbonic anhydrase are altered to respond to acid–base disturbances. Oncorhynchus mykiss Gill Ionic regulation Acid–base...
Journal Articles
J Exp Biol (2018) 221 (1): jeb168906.
Published: 11 January 2018
..., Hypersaline Tight junction Gill Teleost fish Ionocyte Accessory cell CFTR Teleost fish gill and opercular epithelia, containing high densities of ionocytes, are used as models to study the plasticity of ion transporters and transport-related proteins in vertebrates. The mummichog ( Fundulus...
Journal Articles
J Exp Biol (2017) 220 (24): 4720–4732.
Published: 15 December 2017
... transmembrane conductance regulator (CFTR) and Na + /K + /2Cl − cotransporter 1a (NKCC1a) in the gills rapidly decreased after transfer to FW, whereas Na + /H + exchanger 3 (NHE3) and Na + /Cl − cotransporter 2 (NCC2) expression were upregulated following the transfer. Using quadruple-color whole-mount...
Journal Articles
J Exp Biol (2017) 220 (21): 3997–4006.
Published: 1 November 2017
... + ∼102; Cl − ∼84; K + ∼6; pH ∼7.35) far in excess of their surroundings. This appears to be accomplished by the combined actions of the alimentary canal, Malpighian tubules (MTs) and tracheal gills. The alimentary canal contributes in a region-specific manner, a view supported by: (1) spatial differences...
Journal Articles
J Exp Biol (2017) 220 (20): 3657–3670.
Published: 15 October 2017
...-a) and a tricellulin (Tric) were identified. Transcripts encoding ocln , ocln-a and tric were broadly expressed in larval lamprey, with the greatest abundance of ocln in the gut, liver and kidney, ocln-a in the gill and skin, and tric in the kidney. Ocln and Ocln-a resolved as ∼63 kDa and ∼35 kDa MW proteins...
Journal Articles
J Exp Biol (2016) 219 (4): 474–484.
Published: 15 February 2016
... macrolepidotus , measured both as critical oxygen tension ( P crit ) and as time to LOE hyp . Warm acclimation offset the negative effects of temperature on time to LOE hyp to a similar extent in the two subspecies. Warm acclimation increased total lamellar surface area of the gill in both subspecies as a result...
Journal Articles
J Exp Biol (2015) 218 (10): 1471–1477.
Published: 15 May 2015
... while upper critical temperature is reduced in a species-specific manner. Eutrophication Temperature tolerance Hypoxia tolerance Cardiac system Gill Oxygen supply and delivery system Global climate is changing and polar regions are expected to experience severe warming in the future...
Journal Articles
J Exp Biol (2015) 218 (8): 1244–1251.
Published: 15 April 2015
... involvement of ASICs in Na + transport in another freshwater fish species, the zebrafish ( Danio rerio ). Using molecular and histological techniques we found that asic genes and the ASIC4.2 protein are expressed in the gill of adult zebrafish. Immunohistochemistry revealed that mitochondrion-rich cells...
Journal Articles
J Exp Biol (2014) 217 (13): 2309–2320.
Published: 1 July 2014
.... Furthermore, hemolymph osmolality was more stable during salinity transfers relative to other crustaceans. Silver nitrate and vital mitochondria-rich cell staining suggest all gills are osmoregulatory, with a large proportion of each individual gill functioning in ion transport (including when H. rubra acts...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (10): 1758–1767.
Published: 15 May 2014
...Phuong Bui; Scott P. Kelly Expression profiles of claudin-6, -10d and - 10e in the euryhaline teleost fish Tetraodon nigroviridis revealed claudin-6 in brain, eye, gill and skin tissue, while claudin-10d and - 10e were found in brain, gill and skin only. In fishes, the gill and skin are important...
Journal Articles
J Exp Biol (2013) 216 (23): 4403–4414.
Published: 1 December 2013
...Yuki Hongo; Yoshimitsu Nakamura; Shigeru Shimamura; Yoshihiro Takaki; Katsuyuki Uematsu; Takashi Toyofuku; Hisako Hirayama; Ken Takai; Masatoshi Nakazawa; Tadashi Maruyama; Takao Yoshida SUMMARY Deep-sea Calyptogena clams harbor thioautotrophic intracellular symbiotic bacteria in their gill...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (22): 3881–3894.
Published: 15 November 2012
...Maria L. Coccimiglio; Michael G. Jonz SUMMARY In teleost fish, O 2 chemoreceptors of the gills (neuroepithelial cells or NECs) initiate cardiorespiratory reflexes during hypoxia. In developing zebrafish, hyperventilatory and behavioural responses to hypoxia are observed before development of gill...
Journal Articles
J Exp Biol (2012) 215 (2): 314–323.
Published: 15 January 2012
... suggests that ammonia excretion in toadfish is modulated by cortisol-induced changes in both Rh glycoprotein expression and GS activity. * Author for correspondence ( trodela@zoology.ubc.ca ) 14 10 2011 © 2012. 2012 cortisol nitrogen excretion urea ammonia plasma gill...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (2): 301–313.
Published: 15 January 2012
... isolated from toadfish. Tissue distributions showed higher levels of mRNA expression in the gills and liver, moderate levels in the intestine and lower levels in the stomach. Crowding significantly lowered branchial Rh expression and ammonia excretion rates in fasted toadfish. A comparison of Rh expression...
Includes: Supplementary data
Journal Articles
J Exp Biol (2011) 214 (23): 3985–3991.
Published: 1 December 2011
... vasodilatation is found, mediated by secondary release of nitric oxide or prostacyclin. In fishes, gill extrusion of NaCl is inhibited by UII, but a single study has determined that UT is expressed in gill vasculature, not on the epithelium that mediates the transport. To begin to clarify the pathways involved...
Includes: Supplementary data
Journal Articles
J Exp Biol (2011) 214 (14): 2435–2442.
Published: 15 July 2011
...Jason S. Bystriansky; Patricia M. Schulte SUMMARY Few studies have examined changes in salmon gill ion transporter expression during the transition from seawater to freshwater, a pivotal moment in the salmonid life cycle. Seawater-acclimated Atlantic salmon were transferred to freshwater and blood...
Journal Articles
J Exp Biol (2010) 213 (21): 3666–3675.
Published: 1 November 2010
...Velislava Tzaneva; Steve F. Perry SUMMARY At temperatures below 15°C the gill lamellae of goldfish ( Carassius auratus ) are largely covered by an interlamellar cell mass (ILCM) which decreases the functional surface area of the gill. The presence of the ILCM in goldfish acclimated to cold water...