Plant Peptide Hormones: Distinctive Horizons in Plant Development and Stress Resilience.
Jaiswal S, Singh S, Tripathi DK, Gupta R, Zheng BS
Summary
PubMedWhy it matters This matters because the vegetables in your garden and the wheat in your bread could soon be bred to survive droughts and diseases far better — thanks to scientists unlocking the chemical 'text messages' plants send to themselves.
Plants have their own internal messaging system made of tiny protein pieces that tell different parts of the plant what to do — when to grow, when to defend against bugs or drought, and how to recover from stress. Researchers have now reviewed everything we know about how these messages work, how plants receive them, and how they interact with other plant hormones. This knowledge could be used to design tougher, more productive crops that thrive even as weather becomes more unpredictable.
chevron_right Technical Details
Scientists have mapped out how plants use tiny protein fragments called peptide hormones to send signals across their tissues, coordinating growth, development, and responses to stress. This opens new doors for engineering crops that can better survive drought, disease, and a changing climate.
Key Findings
Peptide hormones in plants are short amino acid chains (typically up to ~100 residues) that act as precise cell-to-cell signaling molecules governing a wide range of growth and stress responses.
Advances in genomics and receptor biology have revealed that multiple peptide hormone families form dynamic regulatory circuits that respond to both biological threats (like pathogens) and environmental stressors (like drought or heat).
Peptide signaling integrates with classical plant hormone pathways and epigenetic controls, creating feedback loops that balance developmental flexibility with stress resilience — a key insight for crop engineering.
Abstract Preview
Peptide hormones, which are biologically active short chains of amino acids (typically ranging from a few to about 100 residues), serve as crucial signalling molecules in plants. They play pivotal ...
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