Hibernating beetles break down and regrow their muscles on demand

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Hibernating beetles break down and regrow their muscles on demand
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During hibernation, Colorado potato beetles slow their metabolism by as much as 90 per cent. It turns out they do this by breaking down the parts of muscle cells that burn fuel, then restoring them later

Some beetles can shed most of their muscle during the winter and rebuild it by spring without moving, ready for flight, researchers have found.

The Colorado potato beetle can survive up to four months buried beneath the snow in Canada with temperatures dropping to -20°C. During hibernation, it slows its metabolism by as much as 90 per cent to save energy, but how it does this was poorly understood.Continue reading

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