Stimulation of Plasma Membrane H^+-Transport Activity in Barley Roots by Salt Stress
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概要
- 論文の詳細を見る
Plasma membrane vesicles were prepared from barley roots (Hordeum vulgare cv. Kikaihadaka) using the phase partitioning method H^+-transport activity could be measured without membrane inversion treatment, since the plasma membrane vesicles showed a latency value of approximately 50% for the activity. Following the exposure to NaCl, alterations of the plasma membrane H^+-ATPase and H^+-transport activity were investigated. After barley roots were treated with 200 mol m^<-3> NaCl for 1 d, both plasma membrane H^+-ATPase activity and H^+-transport activity assayed in the presence of nitrate were reduced as compared with those of control roots. However, in the salinized roots, the H^+-transport activity measured with chloride was higher than that of control roots, though the H^+-ATPase activity was lower. These results suggest that the permeability of the plasma membrane to chloride may increase by salt stress.
- 社団法人日本土壌肥料学会の論文
著者
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Yamamoto Yoko
Research Institute For Bioresources Okayama University
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Kasai M
Department Of Botany Faculty Of Science Hirosaki University
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Kasai Minobu
Dept. Biofunc. Sci. Fac. Agr. Life Sci. Horisaki Univ.
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Matsumoto Hideaki
Res. Inst. Bioresources Okayama Univ.
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Matsumoto Hideaki
Research Institute For Bioresources Okayama University
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KASAI Minobu
Research Institute for Bioresources, Okayama University
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Yamashita Kousei
Research Institute For Bioresources Okayama University
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Matsumoto Hideaki
Res. Inst. For Bioresources Okayama Univ.
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Kasai Minobu
Research Institute For Bioresources Okayama University:(present Address)department Of Biology Facult
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