| Budget Amount *help |
¥14,040,000 (Direct Cost: ¥10,800,000、Indirect Cost: ¥3,240,000)
Fiscal Year 2018: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2017: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2016: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
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| Outline of Final Research Achievements |
Plant-parasitic nematodes parasitize roots and/or stems of a lot of host plants, resulting in damage or yield loss. Especially, the plant damage by root-knot nematode (RKN) is a very serious problem. RKN is one of the most devastating pathogenic nematodes. We found that phytol, a constituent of chlorophyll, induced resistance to RKN in tomato and Arabidopsis. Molecular genetic analyses revealed that ethylene is involved in phytol-induced RKN resistance. We also found that sclareol, another RKN resistance-inducing substance, caused chlorosis-like lesions in Arabidopsis and phytosterols are involved in inducing sclareol-induced chlorosis.
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