Theasaponin E_1 Destroys the Salt Tolerance of Yeasts
スポンサーリンク
概要
- 論文の詳細を見る
Cells of Zygosaccharomyces rouxii in a medium containing a high concentration of NaCl were killed during incubation for 2-4 h with a low concentration of a mixture of saponins from tea seeds(TSS). The higher the concentration of NaCl in the medium, the higher the inhibitory effect of TSS on the growth of the yeast. The above inhibitory effect of TSS on the growth of the yeast was not observed when cells were incubated in hypertonic media composed of nonionic substances such as sugars. The ATPase activity of plasma membrane preparations from the yeast cells was slightly affected by the addition of TSS. It is shown that TSS facilitates leakage of glycerol from the yeast cells under NaCl-hypertonic conditions. The major inhibitor in the mixture of saponins was isolated and identified as theasaponin E_1. Its isomer, theasaponin E_2, did not have any effect on the salt tolerance of Z.rouxill or Saccharomyces cerevisiae.
- 社団法人日本生物工学会の論文
- 2000-12-25
著者
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OHIGASHI Hajime
Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University
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Ohigashi H
Department Of Surgery Osaka Medical Center For Cancer And Cardiovascular Diseases
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Ohigashi Hiroaki
Department Of Surgery The Center For Adult Diseases
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Ohigashi H
Graduate School Of Agriculture Kyoto University
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Ohigashi H
Division Of Applied Life Sciences Graduate School Of Agriculture Kyoto University
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Tomita Minoru
Industrial Technology Center Of Tokushima
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Ohigashi Hajime
Division Of Applied Life Sciences Graduate School Of Agriculture Kyoto University
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YAMAMOTO SUMITO
Industrial Technology Center of Tokushima
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YAMAGUCHI KANOKO
Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University
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YAGI TADASHI
Department of Bio and Geo Sciences, Graduate School of Science, Osaka City University
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KOHATA KATSUNORI
National Institute of Vegetables, Ornamental Plants and Tea
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BERDEN JAN
Swammerdam Institute for Life Sciences(formerly E.C.Slater Institute, University of Amsterdam
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Tomita Minoru
Izumi Alcohol Plant Nedo
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Sugimoto Yukihiro
Arid Land Research Center, Tottori Univ.
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Yamamoto Shinjiro
Department Of Bioengineering Tokyo Institute Of Technology:(present Address)department Of Applied Li
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Yamamoto S
Department Of Biotechnology Graduate School Of Engineering Nagoya University
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Berden Jan
Swammerdam Institute For Life Sciences(formerly E.c.slater Institute University Of Amsterdam
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Yagi Tadashi
Department Of Agricultural Chemistry Kinki University
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Yagi Tadashi
Department Of Bio And Geo Sciences Graduate School Of Science Osaka City University
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Koshimizu K
National Inst. Vegetables Ornamental Plants And Tea Shizuoka Jpn
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Kohata Katsunori
National Institute Of Vegetable And Tea Science (nivts) National Agriculture And Food Research Organ
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Kohata Katsunori
National Institute Of Vegetables Ornamental Plants And Tea
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Yamaguchi Kanoko
Division Of Applied Life Sciences Graduate School Of Agriculture Kyoto University
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Yamamoto S
Department Of Bioengineering Tokyo Institute Of Technology
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Tomita Minoru
Industrial Research Institute Of Tokushima Prefecture
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KOHATA Katsunori
National Institute of Vegetable and Tea Science
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