Activating a new understanding of gene regulation

Regulation of gene expression—turning genes on or off, increasing or decreasing their expression—is critical for defining cell identity during development and coordinating cellular activity throughout the cell's lifetime. ...

Human hazards hamper vampire bat venom research

Vampire bats could hold the key to new treatments for a range of serious medical problems, but researchers have hit a snag accessing the specimens needed to advance their work.

Hunting for TB's most vulnerable genes

Developing drugs to combat tuberculosis, or TB, can be frustrating business. A gene essential to the bacteria's lifecycle is discovered, scientists rush to develop drugs that inhibit the target, and then—disappointment. ...

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