Direct observation of the target cell for jasmonate-type leaf-closing factor: genus-specific binding of leaf-movement factors to the plant motor cell |
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Authors: | Yoko Nakamura Tsutomu Kumagai |
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Institution: | a Department of Chemistry, Tohoku University, Aoba-ku, Sendai 980-8578, Japan b Department of Applied Bioorganic Chemistry, Tohoku University, Aoba-ku, Sendai 981-8555, Japan |
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Abstract: | We report the synthesis of the novel fluorescence-labeled jasmonate glycoside 2 based on β-d-glucopyranosyl 12-hydroxyjasmonate 1, which is a leaf-closing substance of Albizzia julibrissin Durazz. The fluorescence study using 2 revealed that the target cell for 1 is a motor cell. Probe 2 bound to the motor cells of two plants belonging to genus Albizzia. This result suggested that a receptor for 2, which is common among genus Albizzia would be involved in the nyctinastic leaf movement. |
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Keywords: | Nyctinasty Leaf-closing substance Fluorescence Probe compound Motor cell Jasmonate |
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