At the heart of the circadian clock

(Phys.org) —Cellular processes in most organisms are regulated by an internal clock, and proteins called cryptochromes are at the core of its central oscillator. The three dimensional structures of cryptochromes from mouse ...

Tissue in trouble calls in reinforcements to restore health

Northwestern University scientists are the first to discover a cellular process used by animals when a tissue is stressed and in molecular trouble from the expression of misfolded and damaged proteins: The tissue at risk ...

Scientists peer into a cell in real time

A dream of scientists has been to visualize details of structures within our cells in real time, a breakthrough that would greatly aid in the study of their function. However, even the best of current microscopes can take ...

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