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Keywords: Fundulus heteroclitus
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Journal Articles
J Exp Biol (2022) 225 (21): jeb244831.
Published: 14 November 2022
... across nine thermally distinct Fundulus heteroclitus populations . These traits included whole-animal metabolism (WAM), critical thermal maximum (CT max ) and substrate-specific cardiac metabolism measured in approximately 350 individuals. These traits exhibited high variation among both individuals...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (18): jeb204818.
Published: 24 September 2019
...Chris M. Wood; Ilan M. Ruhr; Kevin L. Schauer; Yadong Wang; Edward M. Mager; M. Danielle McDonald; Bruce Stanton; Martin Grosell ABSTRACT Freshwater- and seawater-acclimated Fundulus heteroclitus were exposed to acute hypoxia (10% air saturation, 3 h), followed by normoxic recovery (3 h). In both...
Journal Articles
J Exp Biol (2018) 221 (24): jeb186320.
Published: 12 December 2018
... acclimation and putative local thermal adaptation on mitochondrial capacity, proton leak and P/O ratios in two subspecies of Atlantic killifish ( Fundulus heteroclitus ). Ucp1 was the dominant isoform in liver and was more highly expressed in northern killifish. We found that cold acclimation increased...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (8): 1212–1222.
Published: 15 April 2015
...Reid S. Brennan; Fernando Galvez; Andrew Whitehead ABSTRACT The killifish Fundulus heteroclitus is an estuarine species with broad physiological plasticity, enabling acclimation to diverse stressors. Previous work suggests that freshwater populations expanded their physiology to accommodate low...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (8): 1259–1269.
Published: 15 April 2015
... is modified to allow Na + secretion in hypersaline environments. Mummichogs ( Fundulus heteroclitus ) acclimated to hypersaline [2× seawater (2SW), 64‰] for 30 days developed invasive projections of accessory cells with an increased area of tight junctions, detected by punctate distribution of CFTR (cystic...
Journal Articles
J Exp Biol (2012) 215 (11): 1965–1974.
Published: 1 June 2012
... of animals, while behaviour determines which environments are encountered. Here, we identified changes in the behavioural selection of external salinity in Fundulus heteroclitus , an estuarine teleost, as a consequence of digesting a meal. Fish that consumed high levels of dietary calcium exhibited a higher...
Journal Articles
J Exp Biol (2012) 215 (8): 1293–1305.
Published: 15 April 2012
...Andrew Whitehead; Jennifer L. Roach; Shujun Zhang; Fernando Galvez SUMMARY The killifish Fundulus heteroclitus is abundant in osmotically dynamic estuaries and it can quickly adjust to extremes in environmental salinity. We performed a comparative osmotic challenge experiment to track...
Includes: Supplementary data
Journal Articles
J Exp Biol (2008) 211 (15): 2450–2459.
Published: 1 August 2008
...Graham R. Scott; Daniel W. Baker; Patricia M. Schulte; Chris M. Wood SUMMARY We have explored the molecular and physiological responses of the euryhaline killifish Fundulus heteroclitus to transfer from brackish water (10% seawater) to 100% seawater for 12 h, 3 days or 7 days. Plasma[Na + ] and [Cl...
Journal Articles
J Exp Biol (2007) 210 (24): 4286–4297.
Published: 15 December 2007
...Kelly A. Hyndman; David H. Evans SUMMARY In euryhaline fishes like the killifish ( Fundulus heteroclitus )that experience daily fluctuations in environmental salinity, endothelin 1(EDN1) may be an important regulator molecule necessary to maintain ion homeostasis. The purpose of this study...
Journal Articles
J Exp Biol (2007) 210 (17): 3126–3132.
Published: 1 September 2007
...L. López-Bojórquez; P. Villalobos; C. García-G.; A. Orozco; C. Valverde-R. SUMMARY The physiological role played by thyroid hormones (TH) in hydro-osmotic homeostasis in fish remains a controversial issue. Previous studies have shown that in Fundulus heteroclitus (killifish) hypo-osmotic stress...
Journal Articles
J Exp Biol (2007) 210 (9): 1613–1621.
Published: 1 May 2007
...Douglas L. Crawford; Marjorie F. Oleksiak SUMMARY Functional genomics research using Fundulus heteroclitus has focused on variation among individuals because of the evolutionary importance and value of Fundulus in explaining the human condition (why individual humans are different and are affected...
Includes: Supplementary data
Journal Articles
J Exp Biol (2006) 209 (20): 4040–4050.
Published: 15 October 2006
...Graham R. Scott; Patricia M. Schulte; Chris M. Wood SUMMARY We have explored intestinal function in the euryhaline killifish Fundulus heteroclitus after transfer from brackish water (10%seawater) to fresh water. Plasma Na + and Cl – concentrations fell at 12 h post-transfer, but recovered by 7 days...
Journal Articles
J Exp Biol (2006) 209 (9): 1696–1708.
Published: 1 May 2006
.... Degenerate primers, reverse transcription–PCR and rapid amplification of cDNA ends were used to deduce the complete cDNA sequence of a putative COX2 enzyme from the gills of the euryhaline killifish ( Fundulus heteroclitus ). The 2738 base pair cDNA includes a coding region for a 610 amino acid protein...
Journal Articles
J Exp Biol (2005) 208 (14): 2719–2729.
Published: 15 July 2005
...Graham R. Scott; James B. Claiborne; Susan L. Edwards; Patricia M. Schulte; Chris M. Wood SUMMARY We have explored the molecular basis for differences in physiological function between the gills and opercular epithelium of the euryhaline killifish Fundulus heteroclitus . These tissues...
Journal Articles
J Exp Biol (2005) 208 (6): 1063–1077.
Published: 15 March 2005
... and (4) involvement of protein tyrosine kinase (PTK) acting on FAK to set levels of NKCC activity. * Author for correspondence (e-mail: bmarshal@stfx.ca ) 11 1 2005 © The Company of Biologists Limited 2005 2005 Fundulus heteroclitus protein kinase protein phosphatase...
Journal Articles
J Exp Biol (2004) 207 (10): 1729–1739.
Published: 15 April 2004
...Raquel N. Lima; Dietmar Kültz SUMMARY The effects of salinity on chloride cells (CC) and Na + /K + -ATPase content in gill epithelium of euryhaline killifish Fundulus heteroclitus were analyzed using laser scanning cytometry (LSC) and tissue microarrays (TMAs). Salinity acclimations consisted...
Journal Articles
J Exp Biol (2003) 206 (22): 4113–4123.
Published: 15 November 2003
... after transfer. These findings indicate the excellent osmoregulatory ability of killifish to adapt to both hyper- and hyposmotic environments. branchial chloride cell killifish Fundulus heteroclitus time-differential double fluorescent staining Teleost fish maintain their ion...
Journal Articles
J Exp Biol (2003) 206 (5): 793–803.
Published: 1 March 2003
...Fumi Katoh; Susumu Hyodo; Toyoji Kaneko SUMMARY We examined the involvement of mitochondria-rich (MR) cells in ion uptake through gill epithelia in freshwater-adapted killifish Fundulus heteroclitus , by morphological observation of MR cells and molecular identification of the vacuolar-type proton...
Journal Articles
J Exp Biol (2002) 205 (9): 1265–1273.
Published: 1 May 2002
... transmembrane conductanctance regulator protein trafficking Na + ,K + ,2Cl - cotransporter osmoregulation euryhaline teleost killifish Fundulus heteroclitus Mitochondria-rich chloride (MR) cells of the skin and gill epithelia of teleost fish are responsible for ion uptake in fresh water (FW...
Journal Articles
J Exp Biol (2001) 204 (11): 1889–1899.
Published: 1 June 2001
...K. Daborn; R. R. F. Cozzi; W. S. Marshall SUMMARY Freshwater-adapted killifish ( Fundulus heteroclitus ) opercular epithelia were dissected and subjected to blood-side hypertonic bathing solution in Ussing-style chambers to simulate the increase in blood osmolality during migration to sea water...