... Gill remodelling Anaerobic metabolism Natural Sciences and Engineering Research Council of Canada http://dx.doi.org/10.13039/501100000038 RGPIN-2018-05707 Canada Research Chairs http://dx.doi.org/10.13039/501100001804 As global climate change continues...

... Summary: In goldfish, constant hypoxia leads to greater benefits in swimming performance in normoxia. Frequency of exposure to environmental hypoxia could be a key driver of mitochondrial metabolic adjustments. Mitochondrial respiration Red muscle Swimming performance Anaerobic metabolism...

... of metabolic depression. The global metabolomic and enzymatic analyses revealed production of metabolites characteristic of oxygen-independent pathways of ATP generation (lactate and succinate) in the depressed metabolic state, which suggests that anaerobic metabolism was the main energy supply pathway under...

... of Biologists Ltd 2020 Summary: Here we integrate knowledge gained from studies of anoxia-tolerant species from many animal taxa to identify common strategies, as well as novel solutions, for the challenges of anoxia exposure. Anaerobic metabolism Antioxidants Ischaemia Reactive oxygen species...

...) are among the most hypoxia-tolerant mammals, capable of drastically reducing their metabolic rate in acute hypoxia while staying active and alert. We hypothesized that a key component of remaining active is an increased reliance on anaerobic metabolism during severe hypoxia. To test this hypothesis, we...

.... For the many fish species that have evolved to cope with these different hypoxic environments, survival requires adjusting energy supply and demand pathways to maintain energy balance. The literature describes innumerable ways that fishes combine aerobic metabolism, anaerobic metabolism and metabolic rate...

... and those seen during free dives are basically the same. Hypoxia Asphyxia Blood flow Bradycardia Deep diving Anaerobic metabolism Pinnipeds ‘One day they may do it better, but, remember boys: we did it first!’         P. F. Scholander It has been known for some time...

... of glucose metabolism under normoxic and hypoxic treatments. Anaerobic metabolism supported by extracellular glucose is compromised in fish with low levels of plasma glucose, which in turn may decrease performance under oxygen-limiting conditions at the whole-animal level. * Author for correspondence...

... 2015 Summary: Anoxia exposure of the excised Pacific hagfish heart causes an immediate decrease in metabolic activity but this fully recovers during the subsequent 6 h of anoxia. Anaerobic metabolism Anoxia Direct calorimetry Glycogen Eptatretus stoutii Heart Hagfish...

... at slow speeds, the increase in metabolic rate due to burrowing is predicted to be small. We tested this prediction by measuring aerobic metabolism (oxygen consumption rates) and anaerobic metabolism (concentrations of the anaerobic metabolite tauropine and the energy-storage molecule phosphocreatine...

.... The anaerobic waste products lactate and alanine increased slightly whereas succinate levels remained constant. However, it is argued that other waste products (particularly propionate) could be the primary end product of a continued anaerobic metabolism. Calorimetric measures of the metabolic rate of frozen...

...( Darveau et al., 2002 ). A possible explanation for the observed differences in whole-animal V̇ O 2 and AP recovery is that anaerobic metabolism might contribute more to AP recovery in large fibers than in small fibres, thus leading to a less-negative scaling exponent. We hypothesized...

...,University of Texas School of Public Health, Houston, TX 77030, USA 11 7 2006 © The Company of Biologists Limited 2006 2006 anaerobic metabolism gluconeogenesis glycolysis gene regulation low oxygen Because of the rich evolutionary history and current ecological diversity...

...-mail: [email protected] ) 20 12 2005 © The Company of Biologists Limited 2006 2006 anaerobic metabolism ventilation exercise Cephalopoda Mollusca mantle muscle mantle cavity pressure Mantle contractions associated with high-amplitude pressure pulses were present...

.... Bd. Can. 21 , 1183 -1226. Burgetz, I. J., Rojas-Vargas, A., Hinch, S. G. and Randall, D. R. ( 1998 ). Initial recruitment of anaerobic metabolism during sub-maximal swimming in rainbow trout ( Oncorhynchus mykiss ). J. Exp. Biol. 201 , 2711 -2721. Couture, P., Dutil, J.-D. and Guderley...

... of Biologists Limited 2003 2003 NMR spectroscopy temperature pH anaerobic metabolism frog Rana esculenta gastrocnemius muscle Muscle metabolism is susceptible to a variety of stressing agents affecting particularly the overall rate of energy turnover. As is well known,temperature is a key...

... morhua , are generalists( Webb, 1984 ). Atlantic cod Gadus morhua white muscle red muscle aerobic metabolism anaerobic metabolism longitudinal variation prolonged swimming © The Company of Biologists Limited 2003 2003 21 10 2002 * Author for correspondence (e...

... in concentrations of lactate and phosphocreatine following swimming to 100 % U crit . Our results indicate that anaerobic metabolism is required to support swimming at speeds equal to and greater than 70 % U crit . Estimates of the relative cost of anaerobic metabolism during sub-maximal swimming are presented...

... tissue [lactate], and lower heart creatine charge and glycogen content than in the hypoxic controls. The recruitment of anaerobic metabolism in hypoxic trout treated with enprofylline, an AR blocker with very weak affinity, was intermediate to that of the hypoxic theophylline-injected and control groups...

... . 81 , 255 – 274 . 10.1016/0034-5687(90)90050-9 Pörtner , H. O. , Heisler , N. and Grieshaber , M. K. ( 1984 ). Anaerobiosis and acid–base status in marine invertebrates: a theoretical analysis of proton generation by anaerobic metabolism . J. comp. Physiol . 155 , 1 – 12...