Rockefeller University

Molecular bridge serves as a tether for a cell's nucleus

(PhysOrg.com) -- A cell's nucleus - home of it its most precious contents — is a delicate envelope that, without support, is barely able to withstand the forces that keep it in place. Now, researchers have ...

dateAug 08, 2008 in
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A positive-feedback system ensures that cells divide

(PhysOrg.com) -- In the life of every cell, there’s a point of no return. Once it enters the cell cycle and passes a checkpoint known as “Start,” a cell will follow the steps it needs to divide — no matter what changes ...

dateAug 07, 2008 in
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Glia guide brain development in worms

Again and again, experiments confirmed it. Without glia, neurons die. So scientists who wanted to study in living animals what glia — the most abundant brain cells — do for neurons besides keep them alive ...

dateJul 14, 2008 in
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Centromeres cross over, a lot

Recombination at centromeres is higher than anywhere else on the chromosome, even though methyltransferases do their best to prevent it, say Jaco et al., as published in the June 16 issue of the Journal of Cell Biology.

dateJun 12, 2008 in
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Scientists image a single HIV particle being born

A mapmaker and a mathematician may seem like an unlikely duo, but together they worked out a way to measure longitude – and kept millions of sailors from getting lost at sea. Now, another unlikely duo, a virologist and ...

dateMay 25, 2008 in HIV & AIDS
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How bacteria battle fluoride

He's not a dentist, but Christopher Miller is focused on fluoride. Two studies from his Brandeis University lab provide new insights into the mechanisms that allow bacteria to resist fluoride toxicity, information ...

dateSep 11, 2014 in Cell & Microbiology
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How sperm get into the zona

Before it can fertilize an egg, a sperm has to bind to and bore through an outer egg layer known as the zona pellucida. Despite decades of research, some of the biological mechanisms behind this process remain ...

dateJun 16, 2014 in Cell & Microbiology
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