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Title: | Different responses 𝘋𝘳𝘰𝘴𝘰𝘱𝘩𝘪𝘭𝘢 𝘴𝘶𝘣𝘰𝘣𝘴𝘤𝘶𝘳𝘢 isofemale lines to extremely low frequency magnetic field (50 Hz, 0.5 mT): fitness components and locomotor activity. | Authors: | Zmejkoski, Danica Petković, Branka Pavković Lučić, Sofija Prolić, Zlatko Anđelković, Marko Savić, Tatjana |
Keywords: | 50 Hz magnetic field;Developmental time;Distance travelled;Drosophila isofemale lines;Mobility;Viability | Issue Date: | 4-May-2017 | Rank: | M21a | Publisher: | Taylor & Francis Group | Journal: | International Journal of Radiation Biology | Volume: | 93 | Issue: | 5 | Start page: | 544 | End page: | 552 | Abstract: | Purpose: Extremely low frequency (ELF) magnetic fields as essential ecological factors may induce specific responses in genetically different lines. The object of this study was to investigate the impact of the ELF magnetic field on fitness components and locomotor activity of five Drosophila subobscura isofemale (IF) lines. Materials and methods: Each D. subobscura IF line, arbitrarily named: B16/1, B24/4, B39/1, B57/2 and B69/5, was maintained in five full-sib inbreeding generations. Their genetic structures were defined based on the mitochondrial DNA variability. Egg-first instar larvae and 1-day-old flies were exposed to an ELF magnetic field (50 Hz, 0.5 mT, 48 h) and thereafter, fitness components and locomotor activity of males and females in an open field test were observed for each selected IF line, respectively. Results: Exposure of egg-first instar larvae to an ELF magnetic field shortened developmental time, and did not affect the viability and sex ratio of D. subobscura IF lines. Exposure of 1-day-old males and females IF lines B16/1 and B24/4 to an ELF magnetic field significantly decreased their locomotor activity and this effect lasted longer in females than males. Conclusions: These results indicate various responses of D. subobscura IF lines to the applied ELF magnetic field depending on their genetic background. |
URI: | https://biore.bio.bg.ac.rs/handle/123456789/499 | ISSN: | 0955-3002 | DOI: | 10.1080/09553002.2017.1268281 |
Appears in Collections: | Journal Article |
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