Plant and Cell Physiology, 1985, Vol. 26, No. 8 1613-1616
© 1985
Short Communication |
Ammonia Content in Mitochondria Isolated from Detached Pea Shoots. Effect of Light and Inhibitors of Photorespiratory Nitrogen Cycle
Institute for Agricultural and Biological Sciences, Okayama University Chuo 2-20-1, Kurashiki, Okayama 710, Japan
Mitochondria isolated from detached pea shoots which had been grown in water for 1.5 h in the dark contained about 1.64 nmol NH4$ per mg of protein. Light treatment caused approximately 50% increase in the mitochondrial NH4$. Methionine sulfoximine slightly reduced the mitochondrial NH4$, although total NH4$ in the shoot extracts was greatly increased by the inhibitor.
(Received June 17, 1985; Accepted September 24, 1985)
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