Rockefeller University

Molecule stops DNA replication in its tracks

(PhysOrg.com) -- When a dividing cell duplicates its genetic material, a molecular machine called a sliding clamp travels along the DNA double helix, tethering the proteins that perform the replication. Researchers ...

Oct 20, 2008
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Claudin 11 stops the leaks in neuronal myelin sheaths

Devaux and Gow demonstrate how a tight junction protein called claudin 11 makes the neuronal myelin sheath a snug fit. The study will be published in the December 1, 2008 issue of the Journal of Cell Biology.

Dec 01, 2008
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HIV pays a price for invisibility

Mutations that help HIV hide from the immune system undermine the virus's ability to replicate, show an international team of researchers in the April 13 issue of the Journal of Experimental Medicine. The study was publis ...

Apr 13, 2009
3 / 5 (4) 1

Egg P bodies protect maternal gene messages

A cell decides what proteins to make based on the messages it receives from its genome. Sometimes messages are held back to be read later, and in most cell types these delayed messages are stored and eventually marked for ...

Aug 11, 2008
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Scientists identify a key regulator of DNA mutations

As a general rule, your DNA is not something you want rearranged. But there are exceptions – especially when it comes to fighting infections. Since the number of microbes in the world far surpasses the amount of human DNA ...

Jun 10, 2008
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In lean times, flies can't survive without their sense of smell

It's not just bomb-sniffing dogs; animals everywhere rely on their sense of smell. Now, Howard Hughes Medical Institute and Rockefeller University researchers show just how important olfaction is, proving that fruit flies ...

Jul 31, 2008
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Newly identified cells make fat

To understand where fat comes from, you have to start with a skinny mouse. By using such a creature, and observing the growth of fat after injections of different kinds of immature cells, scientists at the ...

Oct 04, 2008
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Multiple axons and actions with PSD-95

Nitric oxide gets neurons together. And it seems to do it backward. Work by Nikonenko et al. suggests that a protein called PSD-95 prompts nitric oxide release from postsynaptic dendritic spines, prompting ...

Dec 15, 2008
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Rockefeller microbiologist tests safety of spiked eggnog

(PhysOrg.com) -- With one in every 20,000 eggs contaminated with Salmonella bacteria, drinking homemade eggnog can be something of a gamble. But an experiment designed to test whether the alcohol in spiked eggnog can kill ...

Dec 22, 2008
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