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  1. 010 学術雑誌論文
  2. 渡辺, 正勝 / WATANABE, Masakatsu

Somatic-cell mutation induced by UVA and monochromatic UV radiation in repair-proficient and -deficient Drosophila melanogaster

https://ir.soken.ac.jp/records/3895
https://ir.soken.ac.jp/records/3895
516c9844-59f2-4619-8f61-950ff0466003
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-08-14
タイトル
タイトル Somatic-cell mutation induced by UVA and monochromatic UV radiation in repair-proficient and -deficient Drosophila melanogaster
タイトル
タイトル Somatic-cell mutation induced by UVA and monochromatic UV radiation in repair-proficient and -deficient Drosophila melanogaster
言語 en
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 NEGISHI, Tomoe

× NEGISHI, Tomoe

NEGISHI, Tomoe

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NAGAOKA, Chisato

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NAGAOKA, Chisato

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HAYATSU, Hikoya

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HAYATSU, Hikoya

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SUZUKI, Keiji

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SUZUKI, Keiji

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HARA, Takahiro

× HARA, Takahiro

HARA, Takahiro

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KUBOTA, Mamoru

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KUBOTA, Mamoru

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WATANABE, Masakatsu

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WATANABE, Masakatsu

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HIEDA, Kotaro

× HIEDA, Kotaro

HIEDA, Kotaro

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著者別名 渡辺, 正勝

× 渡辺, 正勝

渡辺, 正勝

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抄録
内容記述タイプ Abstract
内容記述 Near-ultraviolet light (UVA: 320-400 nm) constitutes a major part of sunlight UV. It is important to know the effect of UVA on the biological activities of organisms on the earth. We have previously reported that black light induces somatic-cell mutation in Drosophila larvae. To investigate which wavelength of the UVA is responsible for the mutation we have now carried out a series of monochromatic irradiations (310, 320, 330, 340, 360, 380 and 400 nm) on Drosophila larvae, using the large spectrograph of the National Institute for Basic Biology (Okazaki National Research Institutes, Okazaki, Japan). Mutagenic activity was examined by the Drosophila wing-spot test in which we observe mutant wing hair colonies (spots) on the wings of adult flies obtained from the treated larvae. The induction of mutation was highest by irradiation at 310 nm and decreased as the wavelength became longer. Neither the 380 nor the 400 nm light was mutagenic. Excision repair is known to protect cells from UV damage. In the excision-repair-deficient Drosophila, the mutagenic response induced by 310 nm irradiation was 24-fold higher than that of the wild-type (7.2 ± 1.5 spots/wing/kJ vs 0.3 ± 0.08 spots/wing/kJ), and at 320 nm the difference of the response was 14-fold (0.21 vs 0.015 ± 0.005). In the case of irradiation at 330 and 340 nm the difference of the response was only two-fold (at 330 nm, 6.9 ± 2.9 × 10 -3 vs 3.1 ± 1.1 × 10 -3 spots/wing/kJ; at 340 nm, 3.5 ± 0.9 × 10 -3 vs 2.0 ± 0.7 × 10 -3). These results suggest that the lesion caused in the larvae by 320 nm irradiation may be similar to the damage induced by 310 nm and that the lights of 330 and 340 nm may induce damage different from the lesions induced by shorter-wavelength lights.
書誌情報 Photochemistry and Photobiology
en : Photochemistry and Photobiology

巻 73, 号 5, p. 493-498, 発行日 2001-05
出版者
出版者 Wiley-Blackwell
ISSN
収録物識別子タイプ ISSN
収録物識別子 00318655
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.1562/0031-8655(2001)0730493SCMIBU2.0.CO2
関連名称 10.1562/0031-8655(2001)0730493SCMIBU2.0.CO2
権利
権利情報 © 2001 The Authors. Photochemistry and Photobiology © 2001 The American Society of Photobiology
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