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27, 2022, in Science finds that the thirteen-lined ground squirrel is ready to build some muscle, even when it's not getting exercise or taking in nutrients, with the help of a particular pal: its gut bacteria. Take the thirteen-lined ground squirrel (Ictidomys tridecemlineatus), native to the grasslands and prairies of the North American Midwest. Researchers in previous studies have observed that the fat stores the hibernating floor squirrels industriously constructed up during the summer time months began to decline sharply in February, and by the point they shuffled out of their burrows in April, they'd misplaced about 40 % of their physique weight from the autumn earlier than. Scientists have known for a while there are methods for a physique to create the nutrients wanted to create muscle - it is generally seen in cattle and other ruminant animals. The research in Science set out to find the mechanism that might allow animals that had been reduce off from nutrients and motion for several months to construct muscle.
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