| Project/Area Number |
24570016
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Ecology/Environment
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| Research Institution | Hokkaido University |
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Principal Investigator |
YAO IZUMI 北海道大学, (連合)農学研究科(研究院), 農学研究院研究員 (70374204)
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| Project Period (FY) |
2012-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2014: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2013: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2012: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
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| Keywords | アリーアブラムシ共生関係 / ブフネラ / ボルバキア / タンニン / カシワ / 季節動態 / 共生微生物 / 分子系統樹 / 遺伝的距離 / Tuberculatus属 / コナラ属樹木 / 体色 / アリ共生型アブラムシ / 含水率 / 個体群動態 / 二次代謝物質 / 季節変化 / wolbachia / buchnera / aphid / ant / mutualism |
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| Outline of Final Research Achievements |
Ant-attended aphids continuously produce honeydew even in summer deteriorate plants. Using molecular technique, this study examined the hypothesis that ant-attended aphids allowed to harbor tannin-degrading symbionts in their guts, and thereby realize season-round honeydew producing, and enable themselves to get continuous ant attendance. Concentration of condensed tannin in Quercus dentata leaves increased with the progressive of season. Tannin-degrading bacteria was not found in ant-attended aphids. Buchnera, Wolbachia, and secondary symbionts were detected in the ant-attended aphids. Although the abundance of Buchnera in aphids did not fluctuate during the season, that of Wolbachia had two peaks in the season.
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