| Project/Area Number |
24657036
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Plant molecular biology/Plant physiology
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| Research Institution | Kyoto Prefectural University |
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Principal Investigator |
SHIINA Takashi 京都府立大学, 生命環境科学研究科(系), 教授 (10206039)
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| Co-Investigator(Kenkyū-buntansha) |
KUMAZAKI Shigeichi 京都大学, 大学院理学研究科, 准教授 (40293401)
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| Project Period (FY) |
2012-04-01 – 2014-03-31
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2012: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
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| Keywords | 葉緑体 / Ca2+ / ROS / 表皮 / 免疫 / ストロミュール / 蛍光寿命顕微鏡 / シグナル / 可視化 / ミトコンドリア |
|---|
| Research Abstract |
Different tissues contain various types of plastids that differ in function and morphology. This study revealed that plastids have distinct functions in plant immunity and Ca2+ signaling in a tissue-specific manner. Plastids in leaves and roots evoked distinct Ca2+ signals in response to biotic and abiotic stresses such as salt and osmotic stresses. Furthermore, we found that plastids in epidermis have a specific role in biosynthesis of salicylic acid in plant immunity. Interestingly, we demonstrated that Ca2+ and ROS signaling play critical roles in the induction of stromules in chloroplasts in epidermal cells of hypocotyles. These results imply that plastids in distinct tissues have specialized roles.
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