Masashi Tazawa

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Masashi Tazawa ( Japanese 田 沢 仁 , Tazawa Masashi ; born January 12, 1930 in Yokohama ) is a Japanese botanist ( plant physiology , cell biology ).

Tazawa studied at Osaka University with a bachelor's degree in 1953 with Noburō Kamiya (a student of Ernst Küster ), taught there from 1955 as an instructor and received his doctorate in biology there in 1960. From 1955 to 1957 he was with Erwin Bünning in Tübingen. In 1967 he was visiting professor at the Free University of Berlin (Institute for Plant Physiology). In 1968 he became assistant professor there and in 1977 professor of plant physiology at the University of Tokyo . In 1990 he retired and was then professor at the Technical University of Fukui until 2002 .

He is an honorary member of the German Botanical Society (not least for scientific exchange between Japan and Germany) and the Japanese Botanical Society and a corresponding member of the American Society of Plant Physiologists.

As a plant physiologist, he developed various experimental methods (perfusion technology, the turgor balance for measuring osmotic pressure and methods of measuring plasma flow) and investigated processes on cell membranes (water and ion transport, regulation of proton pumps, mechanisms of plant salt tolerance, regulation of turgor and osmotic) Pressure, excitation processes in cells).

He has been married since 1955 and has two children. In 1990 he received the Japanese Academy of Sciences Prize . In 1990/91 he was President of the Japanese Society for Plant Physiology and Secretary of the Japanese Society for Cell Biology from 1976 to 1981.

Together with other Japanese scholars, he took care of Wilhelm Pfeffer's library, which was bought in Japan in 1922 .

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