Somatic Mutation in Larvae of the Silkworm, Bombyx mori, Induced by Heavy Ion Irradiation to Diapause Eggs
スポンサーリンク
概要
- 論文の詳細を見る
In order to investigate whether eggs of the black-striped strain (P^S) of the silkworm, Bombyx mori, represent an appropriate model for estimating the biological effect of cosmic radiation, radiosensitivity of the eggs against X-rays and heavy ion particles was examined as ground-based experiments. The exposure of diapause eggs to X-rays or heavy ion particles resulted in somatic mutations appearing as a white spot on the black integument during larval stage. Irradiation of non-diapause eggs with X-rays demonstrated a significant difference in frequency of the mutation between fractionated and single administration doses, but no difference was observed in diapause eggs. Incidence of the mutation as induced by carbon ion beams for 15-day old eggs was higher for eggs that had been kept at 15 ℃ than those kept at 25 ℃. Neon beam irradiation of diapause eggs displayed dose- and linear energy transfer (LET)-dependent effects, causing a maximal rate of the mutation at 150 keV/μm. These results confirm that B. mori eggs represent valid models for estimating the biological effects of cosmic radiation.
- 日本放射線影響学会の論文
著者
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KOTANI Eiji
Graduate School of Science and Technology, Kyoto Institute of Technology
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FUJII Hiroshi
Institute of Genetic Resources, Kyushu University
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Todo Takeshi
Radiat. Biol. Center Kyoto Univ.
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Todo Takeshi
Radiat. Biol. Cent. Kyoto Univ.
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Suzuki Eiko
Center For Bioresource Field Science Kyoto Institute Of Technology
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Suzuki Eiko
Department Of Preventive Medicine And Public Health School Of Medicine Kitasato University
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Kotani E
Faculty Of Textile Science Kyoto Institute Of Technology
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Todo Takeshi
Radiation Biology Center Kyoto University
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Nagamatsu Aiko
National Space Development Agency Of Japan
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ICHIDA Masatoshi
Center for Bioresource Field Science, Kyoto Institute of Technology
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FURUSAWA Toshiharu
Department of Applied Biology, Faculty of Textile Science, Kyoto Institute of Technology
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NAGAOKA Shunji
School of Health Science, Fujita Health University
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NAGAOKA Shunji
National Space Development Agency of Japan
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IKENAGA MITUO
Radiation Biology Center, Kyoto University
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Nojima Kumie
Ministry Of Education Culture Sports Sci. And Technol.
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Nojima Kumie
National Institute Of Radiological Sciences
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Nojima Kumie
Heavy-ion Radiobio. Res. Grp. Natl Inst. Radiol. Sci.
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Kotani Eiji
Kyoto Inst. Technol. Kyoto Jpn
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KOTANI Eiji
Department of Applied Biology, Kyoto Institute of Technology
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ICHIDA Masatoshi
Department of Applied Biology, Kyoto Institute of Technology
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SUGIMURA Yukio
Department of Applied Biology, Kyoto Institute of Technology
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Ikenaga M
Radiation Biology Center Kyoto University
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Ikenaga Mituo
関西外国語大学
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Nojima K
National Institute Of Radiological Sciences
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Ikenaga Mituo
Radiat. Biol. Cent. Kyoto Univ.
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Fujii Hideharu
Institute Of Genetic Resources Kyushu University
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Sugimura Yukio
Department Of Applied Biology Graduate School Of Science And Technology Kyoto Institute Of Technolog
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Nagaoka S
Fujita Health Univ. School Of Health Sci. Aichi Jpn
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Nagaoka S
Department Of Physiology Fujita Health University School Of Health Sciences
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Nagaoka Shunji
Department Of Applied Biology Kyoto Institute Of Technology
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Furusawa T
Microbeam Radiation Biology Group Radiation-applied Biology Division Quantum Beam Science Directorat
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Furusawa Toshiharu
Department Of Applied Biology Faculty Of Textile Science Kyoto Institute Of Technology
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Ichida Masatoshi
Center For Bioresource Field Science Kyoto Institute Of Technology
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Sugimura Y
Graduate School Of Science And Technology Kyoto Institute Of Technology
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Suzuki Eiko
Department Of Developmental Medical Sciences Institute Of International Health Graduate School Of Me
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Sugimura Yukio
Department Of Applied Biology Faculty Of Textile Science Kyoto Institute Of Technology
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Fujii Hiroshi
Institute For Life Support Technology Yamagata Technopolis Foundation
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