Estimation of Cell Biomass in Plant Cell Suspensions by the Osmotic Pressure Measurement of Culture Broth

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概要

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• A method for estimating plant cell growth in suspension cultures was developed on the basis of changes in osmotic pressure of the medium. During cultivation of Nicotiana tabacum and Wasabia japonica cells in Murashige-Skoog (MS) medium using sucrose as the carbon source, sucrose was hydrolyzed to glucose and fructose by invertase with a resultant increase in both the molarity and osmotic pressure of the medium. Under this condition, there was no linear relationship between the increase in cell concentration and the changes in osmotic pressure. When glucose was used as the carbon source, the increase in osmotic pressure of the medium was not observed. A linear relationship between cell concentration increase (ΔX [g/l]) and osmotic pressure decrease (ΔP [atm]) was obtained during cultivation of N. tabacum and W. japonica. in suspension cultures of N. tabacum, W. japonica, Catharanthus roseus and Oryzae sativa cells, the dry cell concentrations culculated from the osmotic pressure changes cincided well with those obtained by the gravimetric method.

• 社団法人日本生物工学会の論文
• 1993-12-25

著者

• Uemura Makoto

  Institute Of Applied Biochemistry University Of Tsukuba

• Aoyagi H

  Institute Of Applied Biochemistry University Of Tsukuba

• Aoyagi Hideki

  Institute Of Life Science And Bioengineering Graduate School Of Life And Environmental Science Unive

• Aoyagi Hideki

  Institute Of Applied Biochemistry University Of Tsukuba

• Aoyagi H

  Univ. Tsukuba Ibaraki Jpn

• Tanaka Hideo

  Institute Of Life Science And Bioengineering Graduate School Of Life And Environmental Science Unive

• KANEKO YOSHIHIRO

  Institute of Applied Biochemistry, University of Tsukuba

• Tanaka H

  Institute Of Applied Biochemistry University Of Tsukuba

• Kaneko Y

  Department Of Biotechnology Graduate School Of Engineering Osaka University

• Kaneko Y

  Gifu Univ. Gifu‐shi Jpn

• Tanaka Hideo

  Institute For Biological Resources And Functions National Institute Of Advanced Industrial Science A

• Kaneko Yoshihiro

  Institute Of Applied Biochemistry University Of Tsukuba

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