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Cardiovascular responses to progressive hypoxia in ducks native to high altitude in the Andes.

Laguë SL, Ivy CM, York JM, Chua BA, Alza L, Cheek R, Dawson NJ, Frappell PB, Farrell AP, McCracken KG, Scott GR, Milsom WK.

J Exp Biol. 2020 Mar 11;223(Pt 5). pii: jeb211250. doi: 10.1242/jeb.211250.


Hypoxia during incubation does not affect aerobic performance or haematology of Atlantic salmon (Salmo salar) when re-exposed in later life.

Wood AT, Andrewartha SJ, Elliott NG, Frappell PB, Clark TD.

Conserv Physiol. 2019 Nov 27;7(1):coz088. doi: 10.1093/conphys/coz088. eCollection 2019.


Impacts of "supermoon" events on the physiology of a wild bird.

Portugal SJ, White CR, Frappell PB, Green JA, Butler PJ.

Ecol Evol. 2019 Jun 25;9(14):7974-7984. doi: 10.1002/ece3.5311. eCollection 2019 Jul.


Control of breathing and respiratory gas exchange in high-altitude ducks native to the Andes.

Ivy CM, Lague SL, York JM, Chua BA, Alza L, Cheek R, Dawson NJ, Frappell PB, McCracken KG, Milsom WK, Scott GR.

J Exp Biol. 2019 Apr 1;222(Pt 7). pii: jeb198622. doi: 10.1242/jeb.198622.


Physiological effects of dissolved oxygen are stage-specific in incubating Atlantic salmon (Salmo salar).

Wood AT, Clark TD, Elliott NG, Frappell PB, Andrewartha SJ.

J Comp Physiol B. 2019 Feb;189(1):109-120. doi: 10.1007/s00360-018-1199-5. Epub 2019 Jan 2.


Negligible differences in metabolism and thermal tolerance between diploid and triploid Atlantic salmon (Salmo salar).

Bowden AJ, Andrewartha SJ, Elliott NG, Frappell PB, Clark TD.

J Exp Biol. 2018 Mar 13;221(Pt 5). pii: jeb166975. doi: 10.1242/jeb.166975.


Divergent respiratory and cardiovascular responses to hypoxia in bar-headed geese and Andean birds.

Lague SL, Chua B, Alza L, Scott GR, Frappell PB, Zhong Y, Farrell AP, McCracken KG, Wang Y, Milsom WK.

J Exp Biol. 2017 Nov 15;220(Pt 22):4186-4194. doi: 10.1242/jeb.168799.


Hypoxic acclimation leads to metabolic compensation after reoxygenation in Atlantic salmon yolk-sac alevins.

Polymeropoulos ET, Elliott NG, Frappell PB.

Comp Biochem Physiol A Mol Integr Physiol. 2017 Nov;213:28-35. doi: 10.1016/j.cbpa.2017.08.011. Epub 2017 Aug 30.


Do Bar-Headed Geese Train for High Altitude Flights?

Hawkes LA, Batbayar N, Butler PJ, Chua B, Frappell PB, Meir JU, Milsom WK, Natsagdorj T, Parr N, Scott GR, Takekawa JY, WikeIski M, Witt MJ, Bishop CM.

Integr Comp Biol. 2017 Aug 1;57(2):240-251. doi: 10.1093/icb/icx068.


Developmental Hypoxia Has Negligible Effects on Long-Term Hypoxia Tolerance and Aerobic Metabolism of Atlantic Salmon (Salmo salar).

Wood AT, Clark TD, Andrewartha SJ, Elliott NG, Frappell PB.

Physiol Biochem Zool. 2017 Jul/Aug;90(4):494-501. doi: 10.1086/692250.


Respiratory mechanics of eleven avian species resident at high and low altitude.

York JM, Chua BA, Ivy CM, Alza L, Cheek R, Scott GR, McCracken KG, Frappell PB, Dawson NJ, Laguë SL, Milsom WK.

J Exp Biol. 2017 Mar 15;220(Pt 6):1079-1089. doi: 10.1242/jeb.151191.


Does hyperthermia constrain flight duration in a short-distance migrant?

Guillemette M, Woakes AJ, Larochelle J, Polymeropoulos ET, Granbois JM, Butler PJ, Pelletier D, Frappell PB, Portugal SJ.

Philos Trans R Soc Lond B Biol Sci. 2016 Sep 26;371(1704). pii: 20150386. doi: 10.1098/rstb.2015.0386.


α4-Containing nicotinic receptors contribute to the effects of perinatal nicotine on ventilatory and metabolic responses of neonatal mice to ambient cooling.

Avraam J, Cummings KJ, Frappell PB.

Am J Physiol Regul Integr Comp Physiol. 2016 Oct 1;311(4):R727-R734. doi: 10.1152/ajpregu.00247.2016. Epub 2016 Aug 10.


Automated Non-invasive Video-Microscopy of Oyster Spat Heart Rate during Acute Temperature Change: Impact of Acclimation Temperature.

Domnik NJ, Polymeropoulos ET, Elliott NG, Frappell PB, Fisher JT.

Front Physiol. 2016 Jun 22;7:236. doi: 10.3389/fphys.2016.00236. eCollection 2016.


Associations between Resting, Activity, and Daily Metabolic Rate in Free-Living Endotherms: No Universal Rule in Birds and Mammals.

Portugal SJ, Green JA, Halsey LG, Arnold W, Careau V, Dann P, Frappell PB, Grémillet D, Handrich Y, Martin GR, Ruf T, Guillemette MM, Butler PJ.

Physiol Biochem Zool. 2016 May-Jun;89(3):251-61. doi: 10.1086/686322. Epub 2016 Apr 14.


Pregnancy limits lung function during exercise and depresses metabolic rate in the skink Tiliqua nigrolutea.

Munns SL, Edwards A, Nicol S, Frappell PB.

J Exp Biol. 2015 Mar;218(Pt 6):931-9. doi: 10.1242/jeb.111450.


How bar-headed geese fly over the Himalayas.

Scott GR, Hawkes LA, Frappell PB, Butler PJ, Bishop CM, Milsom WK.

Physiology (Bethesda). 2015 Mar;30(2):107-15. doi: 10.1152/physiol.00050.2014. Review.


Prenatal nicotine exposure increases hyperventilation in α4-knock-out mice during mild asphyxia.

Avraam J, Cohen G, Drago J, Frappell PB.

Respir Physiol Neurobiol. 2015 Mar;208:29-36. doi: 10.1016/j.resp.2015.01.006. Epub 2015 Jan 14.


The roller coaster flight strategy of bar-headed geese conserves energy during Himalayan migrations.

Bishop CM, Spivey RJ, Hawkes LA, Batbayar N, Chua B, Frappell PB, Milsom WK, Natsagdorj T, Newman SH, Scott GR, Takekawa JY, Wikelski M, Butler PJ.

Science. 2015 Jan 16;347(6219):250-4. doi: 10.1126/science.1258732.


Fluctuations in oxygen influence facultative endothermy in bumblebees.

Dzialowski EM, Tattersall GJ, Nicol SC, Frappell PB.

J Exp Biol. 2014 Nov 1;217(Pt 21):3834-42. doi: 10.1242/jeb.107052.


Novel method for conscious airway resistance and ventilation estimation in neonatal rodents using plethysmography and a mechanical lung.

Zhang B, McDonald FB, Cummings KJ, Frappell PB, Wilson RJ.

Respir Physiol Neurobiol. 2014 Sep 15;201:75-83. doi: 10.1016/j.resp.2014.07.004. Epub 2014 Jul 10.


Maximum running speed of captive bar-headed geese is unaffected by severe hypoxia.

Hawkes LA, Butler PJ, Frappell PB, Meir JU, Milsom WK, Scott GR, Bishop CM.

PLoS One. 2014 Apr 7;9(4):e94015. doi: 10.1371/journal.pone.0094015. eCollection 2014.


Growth hormone transgenesis and polyploidy increase metabolic rate, alter the cardiorespiratory response and influence HSP expression in response to acute hypoxia in Atlantic salmon (Salmo salar) yolk-sac alevins.

Polymeropoulos ET, Plouffe D, LeBlanc S, Elliott NG, Currie S, Frappell PB.

J Exp Biol. 2014 Jul 1;217(Pt 13):2268-76. doi: 10.1242/jeb.098913. Epub 2014 Mar 27.


Acid-base balance in the developing marsupial: from ectotherm to endotherm.

Andrewartha SJ, Cummings KJ, Frappell PB.

J Appl Physiol (1985). 2014 May 1;116(9):1210-9. doi: 10.1152/japplphysiol.00996.2013. Epub 2014 Mar 13.


Respirometry: correcting for diffusion and validating the use of plastic multiwell plates with integrated optodes.

Polymeropoulos ET, Elliott NG, Wotherspoon SJ, Frappell PB.

Physiol Biochem Zool. 2013 Sep-Oct;86(5):588-92. doi: 10.1086/671800. Epub 2013 Aug 14.


Measurements of air ventilation in small vertebrates.

Mortola JP, Frappell PB.

Respir Physiol Neurobiol. 2013 Apr 1;186(2):197-205. doi: 10.1016/j.resp.2013.02.001. Epub 2013 Feb 16. Review.


Phase contrast imaging reveals low lung volumes and surface areas in the developing marsupial.

Simpson SJ, Siu KK, Yagi N, Whitley JC, Lewis RA, Frappell PB.

PLoS One. 2013;8(1):e53805. doi: 10.1371/journal.pone.0053805. Epub 2013 Jan 18.


An increase in minimum metabolic rate and not activity explains field metabolic rate changes in a breeding seabird.

Green JA, Aitken-Simpson EJ, White CR, Bunce A, Butler PJ, Frappell PB.

J Exp Biol. 2013 May 1;216(Pt 9):1726-35. doi: 10.1242/jeb.085092. Epub 2013 Jan 24.


The paradox of extreme high-altitude migration in bar-headed geese Anser indicus.

Hawkes LA, Balachandran S, Batbayar N, Butler PJ, Chua B, Douglas DC, Frappell PB, Hou Y, Milsom WK, Newman SH, Prosser DJ, Sathiyaselvam P, Scott GR, Takekawa JY, Natsagdorj T, Wikelski M, Witt MJ, Yan B, Bishop CM.

Proc Biol Sci. 2013 Jan 7;280(1750):20122114. doi: 10.1098/rspb.2012.2114. Epub 2012 Oct 31.


The ventilatory response to hypoxia and hypercapnia is absent in the neonatal fat-tailed dunnart.

Simpson SJ, Fong AY, Cummings KJ, Frappell PB.

J Exp Biol. 2012 Dec 15;215(Pt 24):4242-7. doi: 10.1242/jeb.072413. Epub 2012 Sep 12.


An information-theoretic approach to evaluating the size and temperature dependence of metabolic rate.

White CR, Frappell PB, Chown SL.

Proc Biol Sci. 2012 Sep 7;279(1742):3616-21. doi: 10.1098/rspb.2012.0884. Epub 2012 Jun 6.


The accessory role of the diaphragmaticus muscle in lung ventilation in the estuarine crocodile Crocodylus porosus.

Munns SL, Owerkowicz T, Andrewartha SJ, Frappell PB.

J Exp Biol. 2012 Mar 1;215(Pt 5):845-52. doi: 10.1242/jeb.061952.


Metabolic cold adaptation in fishes occurs at the level of whole animal, mitochondria and enzyme.

White CR, Alton LA, Frappell PB.

Proc Biol Sci. 2012 May 7;279(1734):1740-7. doi: 10.1098/rspb.2011.2060. Epub 2011 Dec 7.


Last word on point:counterpoint: high altitude is/is not for the birds!

Hawkes LA, Scott GR, Meir JU, Frappell PB, Milsom WK.

J Appl Physiol (1985). 2011 Nov;111(5):1525. doi: 10.1152/japplphysiol.01124.2011. No abstract available.


Structural and functional development of the respiratory system in a newborn marsupial with cutaneous gas exchange.

Simpson SJ, Flecknoe SJ, Clugston RD, Greer JJ, Hooper SB, Frappell PB.

Physiol Biochem Zool. 2011 Nov-Dec;84(6):634-49. doi: 10.1086/662557. Epub 2011 Oct 14.


Absence of adaptive nonshivering thermogenesis in a marsupial, the fat-tailed dunnart (Sminthopsis crassicaudata).

Polymeropoulos ET, Jastroch M, Frappell PB.

J Comp Physiol B. 2012 Apr;182(3):393-401. doi: 10.1007/s00360-011-0623-x. Epub 2011 Oct 16.


Point: high altitude is for the birds!

Scott GR, Meir JU, Hawkes LA, Frappell PB, Milsom WK.

J Appl Physiol (1985). 2011 Nov;111(5):1514-5. doi: 10.1152/japplphysiol.00821.2011. Epub 2011 Jul 7. No abstract available.


Phylogenetic differences of mammalian basal metabolic rate are not explained by mitochondrial basal proton leak.

Polymeropoulos ET, Heldmaier G, Frappell PB, McAllan BM, Withers KW, Klingenspor M, White CR, Jastroch M.

Proc Biol Sci. 2012 Jan 7;279(1726):185-93. doi: 10.1098/rspb.2011.0881. Epub 2011 Jun 1.


The trans-Himalayan flights of bar-headed geese (Anser indicus).

Hawkes LA, Balachandran S, Batbayar N, Butler PJ, Frappell PB, Milsom WK, Tseveenmyadag N, Newman SH, Scott GR, Sathiyaselvam P, Takekawa JY, Wikelski M, Bishop CM.

Proc Natl Acad Sci U S A. 2011 Jun 7;108(23):9516-9. doi: 10.1073/pnas.1017295108. Epub 2011 May 31.


Physiological responses of free-swimming adult coho salmon to simulated predator and fisheries encounters.

Donaldson MR, Clark TD, Hinch SG, Cooke SJ, Patterson DA, Gale MK, Frappell PB, Farrell AP.

Physiol Biochem Zool. 2010 Nov-Dec;83(6):973-83. doi: 10.1086/656336. Epub 2010 Oct 20.


Does incubation temperature fluctuation influence hatchling phenotypes in reptiles? A test using parthenogenetic geckos.

Andrewartha SJ, Mitchell NJ, Frappell PB.

Physiol Biochem Zool. 2010 Jul-Aug;83(4):597-607. doi: 10.1086/652245.


Simultaneous biologging of heart rate and acceleration, and their relationships with energy expenditure in free-swimming sockeye salmon (Oncorhynchus nerka).

Clark TD, Sandblom E, Hinch SG, Patterson DA, Frappell PB, Farrell AP.

J Comp Physiol B. 2010 Jun;180(5):673-84. doi: 10.1007/s00360-009-0442-5. Epub 2010 Jan 10.


Predicting the rate of oxygen consumption from heart rate in barnacle geese Branta leucopsis: effects of captivity and annual changes in body condition.

Portugal SJ, Green JA, Cassey P, Frappell PB, Butler PJ.

J Exp Biol. 2009 Sep 15;212(18):2941-8. doi: 10.1242/jeb.034546.


Breath-to-breath hypercapnic response in neonatal rats: temperature dependency of the chemoreflexes and potential implications for breathing stability.

Cummings KJ, Frappell PB.

Am J Physiol Regul Integr Comp Physiol. 2009 Jul;297(1):R124-34. doi: 10.1152/ajpregu.91011.2008. Epub 2009 May 6.


Sex differences in circulatory oxygen transport parameters of sockeye salmon (Oncorhynchus nerka) on the spawning ground.

Clark TD, Hinch SG, Taylor BD, Frappell PB, Farrell AP.

J Comp Physiol B. 2009 Jul;179(5):663-71. doi: 10.1007/s00360-009-0349-1. Epub 2009 Feb 28.


Estimating energy expenditure of animals using the accelerometry technique: activity, inactivity and comparison with the heart-rate technique.

Green JA, Halsey LG, Wilson RP, Frappell PB.

J Exp Biol. 2009 Feb;212(Pt 4):471-82. doi: 10.1242/jeb.026377. Erratum in: J Exp Biol. 2009 Mar;212(Pt 5):745-6.


Phenotypic differences in terrestrial frog embryos: effect of water potential and phase.

Andrewartha SJ, Mitchell NJ, Frappell PB.

J Exp Biol. 2008 Dec;211(Pt 24):3800-7. doi: 10.1242/jeb.017913.


Accelerometry to Estimate Energy Expenditure during Activity: Best Practice with Data Loggers.

Halsey LG, Green JA, Wilson RP, Frappell PB.

Physiol Biochem Zool. 2009 Jul-Aug;82(4):396-404. doi: 10.1086/589815.


Moving with the beat: heart rate and visceral temperature of free-swimming and feeding bluefin tuna.

Clark TD, Taylor BD, Seymour RS, Ellis D, Buchanan J, Fitzgibbon QP, Frappell PB.

Proc Biol Sci. 2008 Dec 22;275(1653):2841-50. doi: 10.1098/rspb.2008.0743.


Thermal effects on the blood respiratory properties of southern bluefin tuna, Thunnus maccoyii.

Clark TD, Seymour RS, Wells RM, Frappell PB.

Comp Biochem Physiol A Mol Integr Physiol. 2008 Jun;150(2):239-46. doi: 10.1016/j.cbpa.2008.03.020. Epub 2008 Apr 7.


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