Electrotropism of Nicotiana Pollen Tubes
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概要
- 論文の詳細を見る
Electrotropism of tobacco pollen tubes towards the anode was analysed. The threshold and saturation values for the electrotropism were less than 50 mV mm^<-1> and 200 mV mm^<-1>, respectively. The tropic response gradually increased with increasing duration to exposure, but no further increase in the tropic response was observed when exposure of the electric field was terminated. Pollen tubes growing towards the cathode had a tendency to burst in a strong electric field. These results suggest that an externally applied electric field acts as a motive force for electrotropism but not as a trigger and that endogenous currents play a role in tip growth of pollen tubes. Possible mechanisms responsible for the electrotropism of pollen tubes are discussed.
- 日本植物生理学会の論文
著者
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NOZUE Kazunari
Dept. Biol., Tokyo Metropolitan Univ.
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WADA Masamitsu
Department of Regulatory Biology, National Institute for Basic Biology
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Nozue K
Tokyo Metropolitan Univ. Tokyo Jpn
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Nozue Kazunari
Dept. Biol. Tokyo Metropolitan Univ.
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Wada Masamitsu
Department Of Biological Sciences Graduate School Of Science Tokyo Metropolitan University
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NOZUE Kazunari
Department of Biology, Faculty of Science, Tokyo metropolitan University
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