small striped mammal
Gut Microbes Help Ground Squirrels Endure Hibernation
By breaking down urea, the animals’ gut bacteria recycle nitrogen, which can be then used to build new molecules during prolonged fasting.
ABOVE: ROBERT STREIFFER
Gut Microbes Help Ground Squirrels Endure Hibernation
Gut Microbes Help Ground Squirrels Endure Hibernation

By breaking down urea, the animals’ gut bacteria recycle nitrogen, which can be then used to build new molecules during prolonged fasting.

By breaking down urea, the animals’ gut bacteria recycle nitrogen, which can be then used to build new molecules during prolonged fasting.

ABOVE: ROBERT STREIFFER

protein degradation

Cellular Garbage Disposal Illuminated
Bob Grant | Apr 13, 2015
A Harvard team shows how cells label and recognize proteins for degradation.