By D.F. Houlihan, D.R. Livingstone, R.F. Lee
Advances in Comparative and Environmental Physiology is helping biologists, physiologists, and biochemists hold tune of the large literature within the box. offering finished, built-in studies and sound, severe, and provocative summaries, this sequence is a must for all lively researchers in environmental and comparative physiology.
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Extra resources for Advances in Comparative and Environmental Physiology
1988b; McMillan and Houlihan 1988) and with mammals (Garlick 1980). The new data from crabs and Octopus (Houlihan et a1. F. , vent wm cod 10 gill IIv 8 int vent stom - octopus 6 r- 4 r- - r- 2 l o 5 wm gill vent wm crab OkS o 4 kg 3 2 0 mg gill heart pro wm Fig. 16. Fractional growth rates (k,,) and protein synthesis rates (k,J for various tissues of trout, cod, octopus, crab 1990a,b) confirm that the gills have high fractional synthesis rates. e. these are tissues with high rates of protein turnover.
1984) there is no increase in RNA to DNA ratios and protein synthesis, although the RNA to protein ratios clearly correlate with fractional rates of protein synthesis as described above. Protein Turnover in Ectotherms and Its Relationships to Energetics 33 At the moment the RNA to protein ratio, which particularly in white muscle seems to correlate with long term nutritional status, growth and protein synthesis rates, would seem to be a more suitable ratio for expressing RNA concentration in the tissues than RNA to DNA ratios.
12 Energy Cost of Protein Synthesis In the previous sections likely correlations between oxygen consumption and protein synthesis have been alluded to a number of times. These correlations include the following: 1. 2. 3. 4. 5. 6. In trout absolute rates of protein synthesis increase with increasing body mass with exponents similar to those found for oxygen consumption. Oxygen consumption increases following meals in Carcinus and fish are paralleled by increases in tissue and whole body protein synthesis rates.