Growth and phototropic bending in Boergesenia rhizoid
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概要
- 論文の詳細を見る
The rhizoid of Boergesenia forbesii, a coenocytic green alga, exhibited typical tip growth. The growth stopped at temperatures lower than 15℃ and was promoted by red light but inhibited by blue light (430 nm). The rhizoid showed negative phototropic bending caused by blue light, and the mode of bending was the "bulging" type. The dioptric effect was not involved in this negative phototropism. The phototropic bending process was modified greatly by temperature. At low temperature (18℃), bending did not occur but the phototropic effect could be accumulated and stored. The accumulated effect appeared as a bending in the dark when the temperature was raised to 25℃. This accumulated phototropic effect, designated "stored bending", attenuated at a half-life of 1.5 hr at 18℃ in the dark.
- 日本植物生理学会の論文
著者
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Wada Shunji
Biological Institute Faculty Of Science Tohoku University
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Wada Shunji
Biological Inslitute Faculty Of Science Tohoku University
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Ishizawa Kimiharu
Biological Institute Faculty Of Science Tohoku University
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