protein-degradation
Protein degradation is the enzymatic breakdown of proteins into smaller peptides or amino acids, a process carried out by cellular machinery such as the ubiquitin-proteasome system and various proteases. In plants, this targeted removal of proteins is essential for regulating growth, development, and hormone signaling, as well as for adapting to environmental stresses like drought, pathogens, and nutrient limitation. By controlling the abundance and turnover of key regulatory proteins, degradation pathways fine-tune plant responses at the cellular and organismal level.
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