Long before complex life arose, bacteria had mastered the art of living. To survive, these single-celled organisms learned how to divide, with one cell giving rise to two, then two to four, and so on. It was a survival strategy that turned out to be so convenient that it was adopted, and has evolved over billions of years. Decades of research have been put into understanding bacterial division. As it turns out, it is not a one-man show but takes the well-coordinated and timely appearance of several proteins to orchestrate the transformation of one cell into two. And it all starts with a protein called FtsZ, which is at the heart of a sort of scaffold that will ultimately allow a cell to divide into two.
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There are those who sleep well. And those who don’t. Besides disorders which can result from ‘going through a bad time’ or ‘too much coffee’ for instance, could the quality of our sleep possibly be heritable? Yes, suggest Hans-Peter Landolt and his team of researchers from the University of Zürich.
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