PubMed · 2026-06-01
Scientists reviewing 'extremophyte' plants — those naturally adapted to scorching, salty, or dry environments — found two key survival strategies that could be engineered into food crops to keep farming viable as climate change turns more land into desert.
Over half of the world's arable land is projected to degrade due to climate-driven aridification and soil salinization, pushing conventional crops past their physiological limits.
Extremophytes survive harsh conditions through two core strategies: precise control of reactive oxygen species (ROS) as developmental signaling molecules, and active recruitment of stress-protective soil microbiomes via targeted root exudates.
Integrating extremophytes into farming systems — via intercropping, phytoremediation rotations, and circular bioeconomy models — offers measurable gains in ecosystem function and productivity on degrading lands.