Growth inhibition inRana pipiens due to sperm irradiation with ultraviolet rays
✍ Scribed by Pogany, Gilbert C.
- Publisher
- John Wiley and Sons
- Year
- 1973
- Tongue
- English
- Weight
- 951 KB
- Volume
- 183
- Category
- Article
- ISSN
- 0022-104X
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✦ Synopsis
Abstract
When sperm are irradiated for periods varying from 5 to 120 seconds at 31 ergs/mm^2^, then allowed to fertilize untreated eggs, the ensuing embryos display distinct growth inhibition. The degree of growth inhibition is not proportional to the exposure; this is indicated by the condition observed in the five second embryos where growth is most retarded and abnormal. Cells in the irradiated embryos are shown to be smaller than the control. A possible mechanism for this reduced cell size is proposed based on the theory that chromosomes replicate in some linear fashion. It is also proposed that the abnormalities found in embryos subjected for five seconds be used to detect small radiation damages in other organisms.