Trehalose Changes Hydraulic Conductance of Tissue-cultured Soybean Embryos.
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- IKEDA Takashi
- Plant Biophysics/Biochemistry Research Laboratory, College of Agriculture, Ehime University
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- IWAYA-INOUE Mari
- Laboratoly of Horticultural Science, Department of Plant Resources, Division of Bioresource and Bioenvironmental Sciences, Graduate School, Kyushu University
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- FUKUYAMA Toshio
- Plant Biophysics/Biochemistry Research Laboratory, College of Agriculture, Ehime University
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- NONAMI Hiroshi
- Plant Biophysics/Biochemistry Research Laboratory, College of Agriculture, Ehime University
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抄録
The hydraulic properties of tissue-cultured soybean (Glycine max [L.] Merr.) embryos grown on trehalose-containing culture media were investigated. Water potentials of culture media ranged from -0.13 to -0.65MPa when sucrose and/or trehalose concentrations were altered. The wall extensibility was greatly larger than hydraulic conductance, and the size of the effective turgor was much smaller than that of the growth-induced water potential, indicating that hydraulic conductance and the growth-induced water potential were predominantly regulating growth of soybean embryos under tissue culture conditions. The hydraulic conductance of soybean embryos grown on trehalose-containing media became smaller than that in sucrose-containing media. When both sucrose and trehalose were added to the culture media, the hydraulic conductance became an intermediate between only sucrose-containing and only trehalose-containing treatments. It is suggested that trehalose might reduce hydraulic conductance in soybean embryos, resulting in growth retardation of soybean embryos.
収録刊行物
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- Plant Biotechnology
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Plant Biotechnology 17 (2), 119-125, 2000
日本植物バイオテクノロジー学会
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詳細情報 詳細情報について
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- CRID
- 1390282679304551168
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- NII論文ID
- 10010146349
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- NII書誌ID
- AA11250821
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- COI
- 1:CAS:528:DC%2BD3cXjvFeksrY%3D
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- ISSN
- 13476114
- 13424580
- http://id.crossref.org/issn/13424580
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- NDL書誌ID
- 5402284
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可