| Budget Amount *help |
¥25,740,000 (Direct Cost: ¥19,800,000、Indirect Cost: ¥5,940,000)
Fiscal Year 2009: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2008: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
Fiscal Year 2007: ¥11,830,000 (Direct Cost: ¥9,100,000、Indirect Cost: ¥2,730,000)
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| Research Abstract |
Tomatoes and melons are classified as climacteric fruits, whose ripening was regulated by ethylene. A mutant melon cultivar 'Honey dew' cannot synthesize ethylene at ripening stage and then be stored with a long storage life. Based on characterization of the mutation of 'Honey dew', I tried to identify the transcriptional regulator for ethylene synthesize genes and elucidate the mechanism for ethylene signaling and transcription. Then, 2 type genes were cloned as candidate genes. To date, the preliminary experiments, gene silencing and expression manipulation, suggested a possibility that that they and their homologues might repress fruits ripening.
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