Desert shrub rewires its chemistry hour by hour to survive
Climate Adaptation
Understanding how this tough desert shrub shifts its metabolism between scorching afternoons and cool nights could point to traits breeders borrow for drought-tolerant crops and xeriscaped gardens.
Haloxylon salicornicum is a shrub that thrives in some of the harshest deserts on Earth, and researchers wanted to know its secret. They found the plant constantly adjusts its internal chemistry, ramping certain processes up or down depending on the time of day and time of year, essentially recalibrating itself to cope with blazing heat, cold nights, and long dry spells.
Key Findings
1
Metabolic activity in Haloxylon salicornicum shifts measurably between day and night cycles
2
Seasonal changes trigger distinct adjustments in the plant's internal chemical pathways
3
These responses appear linked to the plant's tolerance of extreme desert heat and drought
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Technical Summary
Scientists tracked how a common desert shrub adjusts its internal chemistry throughout the day and across seasons to survive extreme heat and drought, offering clues for how plants might be engineered to handle a hotter, drier future.
Haloxylon salicornicum is a salt tolerant, drought tolerant, desert shrub belonging to the family Amaranthaceae. It is a desert shrub and is found in Palestine, Syria, Jordan, Egypt, Saudi Arabia, Kuwait, Oman, United Arab Emirates, Afghanistan and Pakistan.
