REVERSIBLE CARDIAC ARREST INDUCED BY STARTLING STIMULI IN THE ANTARCTIC FISH Notothenia neglecta
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چکیده
منابع مشابه
L-Arginine Metabolism in Mitochondria Isolated From the Liver of Antarctic Fish Notothenia rossii and Notothenia neglecta
The arginase tissue distribution, the biochemical properties of the argininolytic system and the subcellular localization of the enzymes carbamoylphosphate synthetase, ornithinecarbamoyl transferase, glutamine synthetase and arginase in Antarctic fish, N. neglecta and N. rossii were the main aims of the present work. The tissue with highest argininolytic activity was the kidney distal portion a...
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1. The rate of oxygen consumption was determined in an Antarctic hemoglobin-free fish, Pagetopsis macropterus, and in three species of Notothenia, all of which have hemoglobin. In P. macropterus, the consumption at 0C ranged from 0.012 to 0.022 ml O2/g per hr, one-half to one-quarter of that in other fishes. In all cases, the rate was little affected by the oxygen tension in the water when it w...
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Hepatic mitochondrial and peroxisomal beta-oxidation were examined in an Antarctic marine teleost, Notothenia gibberifrons. Enzymic profiles and rates of beta-oxidation by intact organelles were determined by using a range of fatty acyl-CoA substrates to evaluate substrate preferences. Partitioning of beta-oxidation between organelles was estimated. Substrate selectivities are broader for perox...
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Antarctic notothenioid fish are characterized by their evolutionary adaptation to the cold, thermostable Southern Ocean, which is associated with unique physiological adaptations to withstand the cold and reduce energetic requirements but also entails limited compensation capacities to environmental change. This study compares the capacities of mitochondrial acclimation to ocean warming and aci...
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ژورنال
عنوان ژورنال: Archives of Veterinary Science
سال: 1998
ISSN: 1517-784X
DOI: 10.5380/avs.v3i1.3743