| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2009: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Research Abstract |
Stomata are small pores exist on the surface of leaf in plants. Stomata work for intake of carbon dioxide necessary for photosynthesis from atmosphere. Stomata are important organs for plant growth and maintenance of environment. They are also interesting research targets in plant development. Stomata are formed by oppositely positioned two guard cells. The development of guard cell starts from protodermal cell. During development, guard cell becomes longer and bent outside to make pore. At this stage guard cell obtains dorsal-ventral polarity. According to this polarity, cell wall and cytoskeleton begin to distribute to make specific cell shape. In this study, we found a factor contributing polarity formation and analyzed its function. The polarity of guard cell was firstly established by asymmetric localization of a receptor like kinase on the cell membrane of guard cell. We also found that the specific localization pattern was caused by the kinase domain of the receptor like kinase.
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