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Mechanical vibration (100 Hz) following irradiation (4000r) exerts a repairing effect on radiation induced damage. Productivity and sex-ratio differences inDrosophila melanogaster were less severely affected in a group, the male parents of which had been both inadiated and vibrated than in a positive control group, the male parents of which were subjected to irradiation only. Repair of radiation induced damage may have been facilitated by vibration by increasing oxygen utilization and/or metabolism. Previous work suggests that vibration induced mutations were repaired to an extent greater than expected. Synthesis of enzymes of importance during repair, stimulated (induced)via a general stress response as a result of radiation damage, may permit immediate initiation of repair of vibration induced damage. |
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