| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
Bacterial ACC deaminase is one of the key tools to ameliorate plant stress by lowering ethylene level in plants. The effects of ACC deaminase-producing bacteria on the volatile profiles in plants have not been examined to date. To address this, we performed metabolic profiling of volatiles in carrots following inoculation of the bacteria producing ACC deaminase
Results:A total of 11 bacterial strains having the activity to cleave ACC were isolated from inner part of vegetables and fruits. Three of them belonged to Pseudomonas could reduce the levels of (E)-2-hexenal and the other volatiles in the leaves of carrot following inoculation of seeds.
Conclusions：The isolated endophytes producing ACC deaminase activity could alter the composition of volatiles in plants, probably through lowering ethylene level in plant.
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