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This research aims to understand how low phosphate treatment affects leaf senescence in rice and the underlying mechanisms involved.

May 7, 2026Plant ScienceOpen Access

Molecular basis of delayed leaf senescence induced by short-term treatment with low phosphate in rice

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Randomized trial investigates how low phosphate impacts leaf senescence in rice, suggesting insights for fertilizer use.

This research aims to understand how low phosphate treatment affects leaf senescence in rice and the underlying mechanisms involved.
Physiological, biochemical, and molecular approaches were used to assess leaf senescence.
CRISPR/Cas9 was utilized to edit MIR827 and study its effects on phosphate levels and senescence.
Transcriptomic analysis examined changes in gene expression related to senescence and metabolic processes.
Low phosphate treatment delayed leaf senescence, increasing photosynthetic pigments and enhancing antioxidant activity.
Editing of MIR827 led to reduced Pi content and delayed leaf senescence, while MIR399 overexpression accelerated it.
Transcriptomic analysis revealed a coordinated regulation of processes connected to both photosynthetic pigment biosynthesis and senescence.

Martín‐Cardoso et al. (2026) studied this question.

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