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Cell division
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In Brief

New tool allows scientists to catch elusive protein in action

Scientists still have a lot to learn about the processes that trigger cell division, partly because they happen so quickly. A new chemical probe will make it possible to capture the workings of one of the key players.
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In Brief

Researchers discover a common link among diverse cancer types

Some cancers have been traced to changes in histones, proteins responsible for packaging DNA and regulating genes. Now, research from Rockefeller scientists shows that, among tumors, mutations to these proteins are a lot more common than previously suspected.
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In Brief

Enzyme structure reveals how DNA is opened up for transcription

DNA’s two strands must be separated before its code can be read, or transcribed. By studying the structure of the enzyme RNA polymerase, researchers have elucidated how DNA unwinds and becomes legible.
Geckos move through water they slap their arms, generating air bubbles that help them stay afloat.
Science News

Study explains how geckos gracefully gallop on water

Geckos are amazingly agile. In addition to running across land and up trees, the animals can prance across the surface of water. A new study reveals how they do it.
Though small and seemingly simple organisms, bacteria are equipped with effective, multifaceted immune systems.
Science News

Shape-shifting protein protects bacteria from invaders

Researchers have discovered how bacteria manage to destroy enemy DNA, while keeping their own genetic material safe.
Researchers have mapped more than 20 different cell types present in the first-trimester human placenta, including stromal and endothelial cells (red).
Science News

First mapping of cells in the early human placenta to advance research on problem pregnancies

Scientists have made the first comprehensive inventory of cells present in the human placenta of the first trimester, a stage when many pregnancy complications are thought to arise. The findings could fuel new research on conditions such as preeclampsia and pre-term birth.
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In Brief

Enzyme structure helps to explain how protein factories are constructed

Researchers characterized the structure of Mdn1, an enzyme key to making ribosomes.
Sohail Tavazoie portrait
Campus News

Sohail Tavazoie promoted to professor

Sohail Tavazoie, a physician-scientist who studies the genes that regulate a tumor’s ability to metastasize, has been promoted to professor.
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In Brief

Structural studies help explain how cancer cells resist chemotherapy

New research sheds light on how some cancer cells use molecular pumps to expel chemotherapy drugs before they have a chance to work.
Scientists map the portal to the cell’s nucleus
Science News

Scientists map the portal to the cell’s nucleus

The gateway to cellular headquarters has 552 components. A new map that shows how all these pieces fit together could help scientists study numerous diseases.
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