Hemoglobin transition in early developmental stages of the tadpole, Rana catesbeiana

Add time:07/17/2019    Source:sciencedirect.com

Five hemoglobin components (a, I, II, III and IV) were isolated from the hemolysates of file tadpole, Rana catesbeiana. Component a was a monomeric molecule and the other four were tetrameric molecules. Component I predominating in younger tadpoles was replaced by component II during tadpole development. Electrophoretic and chemical analyses on the constituent globin chains revealed that component a was very similar to the α-chains of components I and II, and that components I and II differed from one another in their β chains.

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