Enhanced H+ transport activity of tonoplast vesicles isolated from roots of salt-tolerant mutant of wheat under NaCl stress |
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Authors: | Fangqing Guo Zhangcheng Tang |
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Institution: | (1) Shanghai Institute of Plant Physiology, Chinese Academy of Sciences, 200032 Shanghai, China |
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Abstract: | Both enhanced were H+ transport activities of tonoplast vesicles isolated from roots of the salt-tolerant mutant and wild type of wheat with treatment
of NaCl, but the activity of the mutant was significantly higher than that of wild type. H+ transport activity was indicated as the stable value of fluorescence quenching per mg membrane proteins. The H+ transport activities dependent on ATP of the mutant and wild type were 1099 and 558 respectively and their activities dependent
on PPi were 358 and 228 separately. |
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Keywords: | salt-tolerant mutant of wheat tonoplast proton transport NaCl stress |
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