Brassinosteroid-mediated stress adaptation and signaling networks in Brassicaceae crops.
Zhao Y, Shan L, Wu Y, Zhu Z, Yang J
Plant Signaling
The kale and canola on grocery shelves could become more reliably available even as extreme weather events increase, because researchers are building a roadmap to breed or treat crops with their own natural stress-fighting hormones.
Plants make tiny hormone molecules that act like internal alarm signals, telling the plant to toughen up when things get tough. This review looked at one family of those hormones — brassinosteroids — and how they help cabbage-family plants like kale, canola, and the lab plant Arabidopsis fight off pests, drought, and disease. The scientists also mapped out how these hormones team up with other plant hormones to create a coordinated defense system.
Key Findings
Brassinosteroids act as master regulators in Brassicaceae crops, coordinating both biotic (pest/pathogen) and abiotic (drought/heat/salt) stress responses through interconnected signaling cascades.
Brassinosteroid signaling operates through cross-talk with multiple other plant hormones, creating synergistic defense networks rather than acting as a single isolated pathway.
Different Brassicaceae species show species-specific regulatory preferences in how they deploy brassinosteroid-mediated stress pathways, highlighting the need for crop-tailored BR strategies.
chevron_right Technical Summary
Scientists reviewed how a group of natural plant hormones called brassinosteroids help cabbage-family crops — including canola and kale — survive diseases, drought, and other stresses, and mapped out the chemical signaling networks that make this possible.
Abstract Preview
This review proposed that Brassinosteroids could be used to enhance stress tolerance in Brassicaceae plants. Brassinosteroids (BRs), a key class of phytosterol hormones, are pivotal regulators of s...
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