Damage from ultraviolet radiation and its protection and repair mechanisms in plant-dwelling mites
| Project/Area Number |
26292029
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Plant protection science
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| Research Institution | Kyoto University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
菅原 達也 京都大学, 農学研究科, 教授 (70378818)
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| Project Period (FY) |
2014-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥16,120,000 (Direct Cost: ¥12,400,000、Indirect Cost: ¥3,720,000)
Fiscal Year 2017: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2016: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2015: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2014: ¥7,540,000 (Direct Cost: ¥5,800,000、Indirect Cost: ¥1,740,000)
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| Keywords | 紫外線適応 / 物理的防除 / 光回復 / Tetranychus urticae / Neoseiulus californicus / 生物的防除 / ハダニ / カブリダニ / カロテノイド合成酵素 / 紫外線耐性 / 抗酸化物質 / 生体保護機構 / 昆虫 / 生理学 / 園芸学 / UVB / 光修復 / カロテノイド / 環境適応 / 植物保護 / 環境ストレス / 紫外線利用 / ダニ管理 / UV損傷 / 酸化ストレス / ミカンハダニ / ナミハダニ / アスタキサンチン / アルビノ |
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| Outline of Final Research Achievements |
To contribute the development of a novel mite management technology using UVB radiation in greenhouse, we demonstrated 1) molecular mechanisms of UV damage and 2) protective function by antioxidants. With regard to 1), the interrelation between the accumulation of DNA lesion and mortality and photoreactivation were proven. Larvae exposed to UVB radiation died mostly at their protochrysalis stages. Structural protein genes were downregulated in damaged individuals at protochrysalis stage. We also found that low temperature enhanced control effects of UVB irradiation on spider mites. In 2), carotenoids contained in spider mite bodies were identified, and its protective function preventing from lipid peroxide accumulation was demonstrated. Moreover, it was demonstrated that a phytoseiid mite (natural enemy) received the protective effects by antioxidant compounds through pollen diet.
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Report
(5 results)
Research Products
(32 results)
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[Journal Article] Disruption of a horizontally transferred phytoene desaturase abolishes carotenoid accumulation and diapause in Tetranychus urticae.2017
Author(s)
Bryon, A., A. H. Kurlovs, W. Dermauw, R. Greenhalgh, M. Riga, M. Grbic, L. Tirry, M. Osakabe, J. Vontas, R. M. Clark, T. Van Leeuwen
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Journal Title
Proceedings of the National Academy of Sciences of the United States of America
Volume: 114
Issue: 29
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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