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Drought Survival

All articles tagged with #drought survival

Tiny Fish Reactivate Ancient Genes to Survive Prolonged Droughts
science1 year ago

Tiny Fish Reactivate Ancient Genes to Survive Prolonged Droughts

Researchers have discovered that the African turquoise killifish can survive months-long droughts by entering a state of suspended animation called diapause, utilizing ancient genes from over 473 million years ago. This adaptation involves genomic remodeling and increased production of very-long-chain fatty acids, which protect the embryos' developing organs. This finding could lead to new strategies for tissue preservation and combating age-related diseases.

"Uncovering the Survival Secrets of Desert Soil Microbes"
science1 year ago

"Uncovering the Survival Secrets of Desert Soil Microbes"

A study led by microbiologist Dagmar Woebken from the University of Vienna has revealed that desert soil bacteria have a unique "all-in" reactivation strategy to survive harsh desert conditions. These bacteria endure long drought periods in a state of dormancy, but are rapidly reactivated in response to rare rainfall events, allowing them to quickly generate energy and repair their genomes. The findings have implications for understanding how soil microorganisms can survive water limitation in various regions, especially as the frequency and intensity of droughts increase due to climate change.