Abstract
The effect phosphinothricin (PPT), an inhibitor of glutamine synthetase (GS), on proline accumulation in detached rice leaves was investigated. During 12 h incubation, PPT inhibited GS activity and induced accumulation of NH4 +, and accumulation of proline in the light but not in darkness. Proline accumulation caused by PPT in the light was related to protein hydrolysis, and increase in the contents of precursors of proline, ornithine and arginine. Abscisic acid accumulation was not required for proline accumulation in PPT-treated rice leaves.
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Tsai, YC., Hsu, Y. & Kao, C. Proline Accumulation Induced by Phosphinothricin in Rice Leaves. Biologia Plantarum 46, 317–319 (2003). https://doi.org/10.1023/A:1022835618494
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DOI: https://doi.org/10.1023/A:1022835618494