| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
Ripening in the climacteric fruits is regulated by ethylene. Many strategies have been proposed to modulate the ripening to elongate storage term and keep it moderate. Transgenic approaches and dose treatment can inhibit ethylene synthesis or perception completely, but the treated fruit is not suitable for food because they cannot ripe to be edible. We attempt to regulate ethylene signaling cascade by using hormone cross talking pathway to regulate fruit ripening moderately. From recent report, JAZ gene was expected to be a good candidate for the signaling hub between ethylene and JA. We isolate all JAZ genes from tomato and melon database and classify them. RNA-seq analysis demonstrated that the expression level of JAZ1 is drastically reduced at the ripening stage and affected by ethylene related mutant/transgenic plant. This fact suggested a possibility that JAZ1 is related to the ethylene signaling and fruit ripening.
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