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MANY ECTOTHERMS EXPERIENCE acute changes in environmental temperature resulting in radical changes in their rate of oxygen consumption. As a consequence, there has been a great deal of interest regarding the effects of acute temperature changes on ectotherm mitochondrial metabolism.
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ajpregu.physiology.org/cgi/content/full/287/4/R794
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At 37 degrees C the O2 consumption rate of mouse mitochondria was 4-11 times higher than lizard mitochondria in the presence of five of eight substrates. This range of differences is similar to differences reported for O2 consumption of endothermic animals, tissues and cells over those of ectotherms.
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www.ncbi.nlm.nih.gov/pubmed/10582317
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The response of ectotherms, however, is markedly temperature-sensitive (Fig. .... Measured values of total O2 consumption and extrapulmonary oxygen uptake ...
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linkinghub.elsevier.com/retrieve/pii/S0306456507000174
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Emphasis is placed on the physiological concepts that can be taught with this exercise, including methods for measuring rates of oxygen consumption, the relation between oxygen consumption and metabolic rate, the influence of temperature on metabolic rate, and the differences between endotherms and ectotherms both in...
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www.eric.ed.gov/ERICWebPortal/recordDetail?accno=EJ7562...
www.eric.ed.gov/ERICWebPortal/recordDetail?accno=EJ756283
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of oxygen consumption). By investing a large proportion of their metabolizable energy in offspring biomass (P) most ectotherms appear ecologically ...
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www.springerlink.com/index/L565547MR1055N25.pdf
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Cold acclimation and oxygen consumption in the thymus.; Biochim Biophys Acta Nov 07, 2006; ... protein 1 expression and function. We found that thymocytes from cold-acclimated rats had oxygen consumption rates 8 ...
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www.mitochondrial.net/showabstract.php?pmid=3332497
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In ectotherms it has been suggested that standard metabolic rate (MR) is related to Darwinian fitness, since it reflects energy usage and expenditure. The metabolic rate of the ... Key words: standard metabolic rate, cricket, Hophlosphyrum griseus, Q10, oxygen consumption, repeatability, ectotherm, evolution...
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jeb.biologists.org/cgi/content/full/206/23/4309
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The elevated O2 following exhaustive exercise, termed `excess post-exercise oxygen consumption' (EPOC; Gaesser and Brooks, 1984 ) can be used to assess both recovery time and the non-aerobic oxygen cost of exercise. ... In fact, the number of studies of EPOC in all ectotherms is quite limited (e.g. Heath and Prichard,
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jeb.biologists.org/cgi/content/full/206/18/3253
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A positive genetic correlation between basal metabolic rate (BMR) and maximal ( O2max) rate of oxygen consumption is a key assumption of the aerobic capacity model for the evolution of endothermy. ... DUTENHOFFER and SWANSON 1996 ). Compared to reptiles and other ectotherms, mammals and birds have substantially higher...
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www.genetics.org/cgi/content/full/159/1/267
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