Abstract
1. 1. Polymerized hemoglobin in the cytoplasm and nuclei of erythrocytes from iguana ( Cyclura cornuta and Cyclura figgensi) form fibers like those of sickled cells in some mammals. 2. 2. Sickling is greater in C. cornuta than in C. figgensi and is promoted by O 2 or N 2 while pH has no effect. 3. 3. Iguana hemoglobins crystallize readily and are insoluble in phosphate buffers. 1.12-2.57 M. 4. 4. Electrophoresis in an alkaline buffer revealed 2 hemoglobins in all animals, with an identical slowly migrating one in both species and a faster one which moves more rapidly in C. cornuta than in C. figgensi.
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More From: Comparative Biochemistry and Physiology -- Part A: Physiology
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