Abstract
Glucose-6-phosphate dehydrogenase and NADP-linked malate dehydrogenase were studied in different areas of the brain of three altricial birds during posthatching development. The birds were pigeon and swift, having a posthatching nestling period of 30 days; and sparrow, having a posthatching nestling period of 14 days. The activity of the two enzymes was high during development. G-6-PD activity may be high because of the need for pentoses in the early part of development and the need for reducing equivalents (NADPH2) for synthesis of lipids and other compounds in the later stages of development. Malic enzyme activity also seems to be high because of the need for reducing equivalents. The activity of malic enzyme was found to be higher than that of G-6-PD.
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Iyengar, S., Pilo, B. Glucose-6-phosphate dehydrogenase and NADP-linked malate dehydrogenase during posthatching development of brain of altricial birds. Neurochem Res 6, 69–76 (1981). https://doi.org/10.1007/BF00963907
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DOI: https://doi.org/10.1007/BF00963907