Roles of MADS-box transcription factors in plant responses to abiotic and biotic stresses.
Liu N, Liu Z, Tian G, Zhao S, Chu H
Crop Improvement
Same molecular switches that help a tomato plant survive a drought or fight off disease could be precisely tuned by breeders to grow food crops that stay productive even as climate extremes and new pests become more common.
Plants have a group of proteins that work like control panels, turning stress-response systems on and off when conditions get tough — whether that's a dry spell, salty soil, extreme heat, or an attacking fungus. This review pulls together everything scientists currently know about one particularly important family of these control-panel proteins, showing they're involved in nearly every major stress response a plant faces. Understanding how these proteins work opens the door to engineering crop varieties that can handle multiple threats at once without sacrificing growth or yield.
Key Findings
MADS-box transcription factors regulate responses to at least four major abiotic stresses — drought, salinity, temperature extremes, and heavy metal toxicity — as well as biotic stresses including pathogen attack and senescence.
This is the first systematic review to integrate MADS-box roles in both abiotic and biotic stress responses together, filling a gap where prior research had addressed each stress category in isolation.
The authors propose translational strategies using molecular breeding to engineer stress-tolerant crop varieties that balance stress adaptation with normal developmental processes, representing a direct pathway to agricultural application.
chevron_right Technical Summary
Scientists have mapped out how a family of plant proteins called MADS-box transcription factors act as master switches, helping plants survive both environmental stresses like drought and heat, and biological threats like pathogens — pointing toward new ways to breed tougher crops.
Abstract Preview
Plants deploy sophisticated adaptive mechanisms to mitigate the detrimental effects of abiotic (drought, salinity, temperature extremes, heavy metals) and biotic (pathogens, senescence) stresses on...
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