Abstract
Virgin fruit fly females were stressed by placement into a confined space without food for 2.5 hours. Some flies were subjected to terahertz radiation (0.1–2.2 THz) for the last 30 min. Then females were copulated with males. Offspring F1 from oocytes which were mature or immature at exposure (oviposition in 1–2 or 9–10 days after irradiation) was studied. Stress induces a rejection of the offspring maturation dynamics to imago from external control (offspring of flies which was maintained in standard conditions). In offsping from mature oocytes of irradiated flies the dynamics of male maturation to imago was different from internal control (offspring of stressed unirradiated flies). The number of imago males decreased. The dynamics of female maturation to imago coincides with laboratory control. In offsping from immature oocytes of irradiated flies the dynamics of female and male maturation and the number of flies were not significantly different from the internal control. It was concluded that only mature oocytes are sensitive to THz radiation influence.
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Original Russian Text © V.I. Fedorov, N.Ya. Weisman, E.F. Nemova, A.A. Mamrashev, N.A. Nikolaev, 2013, published in Biofizika, 2013, Vol. 58, No. 6, pp. 1043–1050.
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Fedorov, V.I., Weisman, N.Y., Nemova, E.F. et al. Terahertz radiation influence on number and development dynamics of offspring F1 of fruit fly females under stress. BIOPHYSICS 58, 820–826 (2013). https://doi.org/10.1134/S0006350913060080
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DOI: https://doi.org/10.1134/S0006350913060080