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Advances in Gerontology

, Volume 4, Issue 3, pp 187–192 | Cite as

Survival and life span of Drosophila melanogaster in response to terahertz radiation

  • N. Ya. Weisman
  • V. I. Fedorov
  • E. F. Nemova
  • N. A. Nikolaev
Article

Abstract

Life span control is realized by the interaction of many genetic factors with the environment. Due to the development of modern technologies based on nonionized terahertz radiation (0.1–10 THz), the investigation of the influence of this radiation on living organisms is urgent. In our study, the effects of terahertz radiation on the survival and lifespan of the Oregon R line of Drosophila melanogaster were multidirectional, depending on the age of the insects. The terahertz effect on survival was negative or neutral in early life and positive in later life. In the drosophila response to terahertz radiation, sex differences were manifested. Males were not very sensitive to terahertz radiation. The survival of irradiated females increased significantly in the second half of the imago life. Irradiation of the drosophila did not significantly affect mean and maximal values of lifespan, but the gap between the values of the mean lifespans of males and females in this group of insects was increased. The mechanisms for the effects of terahertz radiation on survival and lifespan might be associated with changes in the cellular membrane, gene expression, and signaling pathways controlling these features.

Keywords

lifespan terahertz radiation stress sex differences drosophila 

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Copyright information

© Pleiades Publishing, Ltd. 2014

Authors and Affiliations

  • N. Ya. Weisman
    • 1
  • V. I. Fedorov
    • 2
  • E. F. Nemova
    • 2
  • N. A. Nikolaev
    • 3
  1. 1.Institute of Cytology and Genetics, Siberian BranchRussian Academy of SciencesNovosibirskRussia
  2. 2.Institute of Laser Physics, Siberian BranchRussian Academy of SciencesNovosibirskRussia
  3. 3.Institute of Automation and Electrometry, Siberian BranchRussian Academy of SciencesNovosibirskRussia

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