The effect of spaceflight on behavior of Drosophila melanogaster males
DOI:
https://doi.org/10.33910/2687-1270-2023-4-1-103-110Keywords:
Drosophila, spaceflight, microgravity, International Space Station, climbing, locomotion, courtship, courtship songAbstract
For about half a century Drosophila has served as a model subject in biomedical research in the influence of spaceflight factors on genome stability, lifespan, metabolism and immunity. Up to now behavioral investigations have been performed either with offspring of flies that had been to space or directly with flies onboard the International Space Station (ISS). Ours is the first research providing evidence that upon return to the Earth after the spaceflight to the ISS, drosophila males show impaired geotaxis, reduced locomotor activity and decreased courtship intensity. The behavioral changes retain for at least two weeks. The main stress factor during the spaceflight is microgravity. Under these conditions living organisms are less able to control posture and goal-directed movements. Microgravity disturbs warm air convection that may cause local changes in oxygen-carbon dioxide balance. This creates unfavorable conditions in vials worsening the physiological state of flies that may influence the results of postflight tests.
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Copyright (c) 2023 Yulia V. Bragina, Natalia G. Besedina, Larisa V. Danilenkova, Elena A. Kamysheva, Olga N. Larina, Anna A. Burlakova, Nikolai G. Kamyshev
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