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Location: Whitehead Institute,9 Cambridge Center,Cambridge, MA 02142, United States
Biologists have long thought that a simple on/off switch controls most genes
in human cells. Flip the switch and a cell starts or stops producing a
particular protein. But new evidence suggests that this model is too simple and
that our...
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Location: Purdue University,915 W. State Street,West Lafayette, IN 47907-2054, United States
Researchers at Purdue University and The Catholic University of America have discovered the structure of an enzyme essential for the operation of "molecular motors" that package DNA into the head segment of some viruses during their assembly....
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