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The ontogeny of phosphogluconate dehydrogenase and glucose 6-phosphate dehydrogenase in Japanese quails and chicken-quail hybrids

✍ Scribed by E. S. Leung; L. E. Haley

Publisher: Springer
Year: 1974
Tongue: English
Weight: 519 KB
Volume: 11
Category: Article
ISSN: 0006-2928
DOI: 10.1007/bf00486057

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✦ Synopsis

The ontogeny of phosphoglueonate dehydrogenase in Japanese quails and chicken-quail hybrids was determined by vertical starch gel eleetrophoresis of pooled early embryos. The enzyme of maternal origin was found to be present at all stages of development. Paternal phosphogluconate dehydrogenase in pure quails was detected as early as the fourth hour of incubation, whereas that in chicken-quail hybrids was not observed until the eighth hour. Since embryonic development up to the day of hatching was generally retarded in chickenquail hybrids when compared to pure quails, it was concluded that the embryonic gene coding for phosphogluconate dehydrogenase was expressed at the same stage of development in both quails and hybrids. The ontogeny of glucose 6-phosphate dehydrogenase in chicken-quail hybrids was compared to that of phosphogluconate dehydrogenase. The paternal form of both enzymes first appeared at the eighth hour of incubation, indicating that these two functionally related genes coding for the corresponding enzymes were probably activated at the same time in development.

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