Spatio-temporal dynamics in global rice gene expression (Oryza sativa L.) in response to high ammonium stress.

Abstract excerpt

Ammonium (NH4+) is the predominant nitrogen (N) source in many natural and agricultural ecosystems, including flooded rice fields. While rice is known as an NH4+-tolerant species, it nevertheless suffers NH4+ toxicity at elevated soil concentrations. NH4+ excess rapidly leads to the disturbance of various physiological processes that ultimately inhibit shoot and root growth. However, the global transcriptomic...

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