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When temperatures get cold, newly-discovered process helps fruit flies cope
Date:7/21/2014

machinery, called ribosomes. It's there that a protein called "Oskar" is produced. The role of Oskar is to mark the posterior end of the cell so that the future embryo forms its tail in the right place.

As temperatures decreased, Welte found that the protein-building process failed when Klar was removed from the egg cell. Only when Klar was present did the fruit fly develop properly.

Unlike fruit flies, humans and other warm-blooded animals do have a mechanism for adjusting internal temperatures. But Welte speculates that when internal temperatures do fluctuate in humans, as in the case of fevers, our cells may also need a way to coordinate the protein-building process. "While we don't have the Klar protein in our cells, the mechanism for producing proteins is very similar."


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Contact: Peter Iglinski/LeonorSierra
peter.iglinski@rochester.edu
585-275-4118
University of Rochester
Source:Eurekalert

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