Optimal flower and ovule production strategies in plants

• Project/Area Number: 21370006
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Ecology/Environment
• Research Institution: Tohoku University
• Principal Investigator: SAKAI Satoki 東北大学, 大学院・生命科学研究科, 准教授 (90272004)
• Project Period (FY): 2009 – 2011
• Project Status: Completed (Fiscal Year 2011)
• Budget Amount: ¥18,070,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥4,170,000); Fiscal Year 2011: ¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000); Fiscal Year 2010: ¥6,760,000 (Direct Cost: ¥5,200,000、Indirect Cost: ¥1,560,000); Fiscal Year 2009: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
• Keywords: 花 / 胚珠 / 繁殖 / 開花 / 花序 / 種子 / 適応度 / モデル / 自殖 / 胚乳 / 胚 / 無胚乳 / 資源分配 / ESS / ゲノム比

Research Abstract

I analyzed optimal flower and ovule production in plants by developing a mathematical model. I also tested the prediction of the model.

Research Products

• [Journal Article] Temperature-dependent fluctuation of stamen number in Cardamine hirsuta (Brassicaceae). (2011)
  • Author(s): Matsuhashi, S., Sakai, S., and Kudo, H.
  • Journal Title: International Journal of Plant Sciences in press.
  • Peer Reviewed
• [Journal Article] Evolution of exalbuminous seeds as a result of competition between maternally-derived and paternally-derived genes. (2011)
  • Author(s): Sakai, S.
  • Journal Title: Evolutionary Ecology Research Volume: 12 Pages: 855-871
  • Peer Reviewed
• [Journal Article] Evolution of exalbuminous seeds as a result of competition between maternally-derived and paternally-derived genes (2011)
  • Author(s): Sakai, S.
  • Journal Title: Evolutionary Ecology Research Volume: 12 Pages: 855-871
  • Peer Reviewed
• [Journal Article] With whom is the gene in conflict in offspring production? : synthesis of the theories of intragenomic and parent-offspring conflict. (2010)
  • Author(s): Sakai, S.
  • Journal Title: Journal of theoretical Biology Volume: 266 Pages: 367-373
  • Peer Reviewed
• [Journal Article] Bombus terrestris be a stronger competitor against native species? : comparison of foraging efficiency of and native bumblebee species. (2010)
  • Author(s): Inoue, M. N., Makino, T. T., Yokoyama, J., and Sakai, S.
  • Journal Title: Applied Entomology and Zoology Volume: 45 Pages: 71-75
  • Peer Reviewed
• [Journal Article] With whom is the gene in conflict in offspring production? : synthesis of the theories of intragenomic and parent-offspring conflict (2010)
  • Author(s): Sakai, S.
  • Journal Title: Journal of theoretical Biology Volume: 266 Pages: 367-373
  • Peer Reviewed
• [Journal Article] Bombus terrestris be a stronger competitor against native species? : comparison of foraging efficiency of and native bumblebee species (2010)
  • Author(s): Inoue, M.N., Makino, T.T., Yokoyama, J., Sakai, S.
  • Journal Title: Applied Entomology and Zoology Volume: 45 Pages: 71-75
  • Peer Reviewed
• [Journal Article] Optimal defense strategy against herbivory in plants : Conditions selecting for induced defense, constitutive defense, and no-defense. (2009)
  • Author(s): Ito, K. and Sakai, S.
  • Journal Title: Journal of theoretical Biology Volume: 260 Pages: 453-459
  • Peer Reviewed
• [Journal Article] Overproduction and selective abortion of ovules based on the order of fertilization revisited. (2009)
  • Author(s): Sakai, S. and Kojima, T.
  • Journal Title: Journal of theoretical Biology Volume: 260 Pages: 430-437
  • Peer Reviewed
• [Journal Article] Floral herbivory at different stages of flower development changes reproduction in Iris gracilipes (Iridaceae). (2009)
  • Author(s): Oguro, M. and Sakai, S.
  • Journal Title: Plant Ecology Volume: 202 Pages: 221-234
  • Peer Reviewed
• [Journal Article] Day-night fluctuations in floral scent and their effects on reproductive success in Lilium auratum. (2009)
  • Author(s): Morinaga, S.-I., Kumano, Y., Ota, A., Yamaoka, R., and Sakai, S.
  • Journal Title: Population Ecology Volume: 51 Pages: 187-195
  • NAID: 10023985098
  • Peer Reviewed
• [Journal Article] Day-night fluctuations in floral scent and their effects on reproductive success in Lilium auratum (2009)
  • Author(s): Morinaga, S.-I., ら
  • Journal Title: Population Ecology 51 Pages: 187-195
  • Peer Reviewed
• [Journal Article] Floral herbivory at different stages of flower development changes reproduction in Iris gracilipes(Iridaceae) (2009)
  • Author(s): Oguro, M., Sakai, S.
  • Journal Title: Plant Ecology 202 Pages: 221-234
  • Peer Reviewed
• [Journal Article] Overproduction and selective abortion of ovules based on the order of fertilization revisited (2009)
  • Author(s): Sakai, S., Kojima, T.
  • Journal Title: Journal of theoretical Biology 260 Pages: 430-437
  • Peer Reviewed
• [Journal Article] Optimal defense strategy against herbivory in plants : Conditions selecting for induced defense, constitutive defense, and no-defense (2009)
  • Author(s): Ito, K., Sakai, S.
  • Journal Title: Journal of theoretical Biology 260 Pages: 453-459
  • Peer Reviewed
• [Presentation] 二親性胚乳の進化に関する理論的解析 (2011)
  • Author(s): 酒井聡樹
  • Organizer: 日本生態学会
  • Place of Presentation: 札幌
  • Year and Date: 2011-03-10
• [Presentation] 無胚乳種子の進化:雄親の逆襲 (2010)
  • Author(s): 酒井聡樹
  • Organizer: 日本生態学会
  • Place of Presentation: 東京大学
  • Year and Date: 2010-03-16