Plant and Cell Physiology, 1995, Vol. 36, No. 5 915-917
© 1995
Short Communication |
Sensitivity to Humidity and Temperature in Darkness of the Photoinduction of S-Adenosyl-L-Methionine Decarboxylase Activity in Leaves of Pharbitis nil
Department of Biology, Faculty of Science, Osaka City University Sumiyoshi-ku, Osaka, 558 Japan
The activity of S-adenosyl-L-methionine decarboxylase (SAMD) in leaves of Pharbitis nil increased maximally at "lights-on" after growth in darkness for 16 h at 21 to 25°C and 30% to 40% relative humidity. Under other condition, less SAMD activity was induced. The photoinduction of SAMD was also observed in leaves of many other plant species.
(Received December 14, 1994; Accepted April 6, 1995)
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