Summary.
Inhibitors of action and synthesis of ethylene (Ag+, norbornadien, Co2+) were able to reduce the level of γ-aminobutyric acid (Gaba) in rice roots during the development of an anaerobic environment. The inhibitory effect was reversed by the addition of the G protein activator 5′-guanylylimidodiphosphate. Gaba accumulation was modulated by the presence of CO2 (inhibitor of ethylene action and synthesis) and stimulated by 2-chloroethylphosphonic acid (ethefon). These findings are consistent with a role of ethylene during a low-oxygen stress.
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Reggiani, R. A role for ethylene in low-oxygen signaling in rice roots. Amino Acids 30, 299–301 (2006). https://doi.org/10.1007/s00726-006-0274-5
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DOI: https://doi.org/10.1007/s00726-006-0274-5