Rockefeller University

Researchers find new path to antibiotics in dirt

(PhysOrg.com) -- A teaspoon of dirt contains an estimated 10,000 species of bacteria, but it’s only one percent of these microbial bugs — the ones that can be grown easily in a lab — that have brought us antibiotics, ...

Nov 07, 2008
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Without glial cells, animals lose their senses

(PhysOrg.com) -- Sensory neurons have always put on a good show. But now, it turns out, they'll be sharing the credit. In groundbreaking research to appear in the October 31 issue of Science, Rockefeller Univer ...

Oct 30, 2008
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In mice, anxiety is linked to immune system

(PhysOrg.com) -- In the first study ever to genetically link the immune system to normal behavior, scientists at Rockefeller and Columbia universities show that mast cells, known as the pharmacologic bombshells of the immune ...

Oct 27, 2008
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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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Astrocytes and synaptic plasticity

By mopping up excess neurotrophic factor from neuronal synapses, astrocytes may finely tune synaptic transmission to affect processes such as learning and memory, say Bergami et al.

Oct 13, 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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Stem cells stand up for themselves

Adult stem cells are not pampered pushovers. O'Reilly et al. report that certain stem cells take charge of their surroundings, molding their environment to control their division and differentiation.

Aug 25, 2008
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