| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2017: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Outline of Final Research Achievements |
We examined mechanism of the drought tolerance of Anabaena by comparing the tolerance of photosynthetic machineries of Anabaena with those of Synechocystis. Photosystem II, one of photosynthetic machineries, is known as a primary target to photooxidative damage by various environmental stress. It was found unexpectedly that in Anabaena photosystem II is inactivated more easily by drought treatment or hypertonic treatment of cells than that in Synechocystis. Since photosystem II is also a source of production of active oxygen species, Anabaena may reduce the activity of photosystem II in order to suppress the production of harmful active oxygen species.
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