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Tag Archives: DNA

A new, dynamic view of chromatin movements

An illustration of chromatin (on the left) opening up to individual nucleosomes (right). Credit: Beat Fierz/EPFL   A new, dynamic view of chromatin movements In cells, proteins tightly package the long thread of DNA into pearl necklace-like complexes known as …

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Fast capture of cancer markers will aid in diagnosis and treatment

Lipid nanoprobes (blue, green and yellow colored) spontaneously insert into lipid bilayer of three extracellular vesicles. The cargo content of extracellular vesicles includes proteins, DNA and RNA. The lipid nanoprobe-labeled extracellular vesicles are captured onto the surface of a magnetic …

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Why Do we Age

Cancer cell undergoing apoptosis. This programmed cell death mechanism is one of the causes of ageing. S. GSCHMEISSNER / SCIENCE PHOTO LIBRARY / COSMOS Click for a full size image Why Do we Age? by Vincent Géli and Eric Gilson …

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Recording analog memories in human cells

MIT biological engineers have devised a memory storage system illustrated here as a DNA-embedded meter that is recording the activity of a signaling pathway in a human cell. Courtesy of the researchers Click for a full size image Recording analog …

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Molecular architects: how scientists design new materials

Nano-architects design materials that can work together at very tiny scales, like these interlocking gears made of carbon tubes and benzene molecules. NASA Click for a full size image Molecular architects: how scientists design new materials When Thomas Edison wanted …

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Missing Links Brewed in Primordial Puddles

Nearly twins and possibly keys to a unlocking the mystery of the evolution of life-coding molecules. Nicholas Hud holds up Uracil, on the right, a nucleobase of RNA. Barbituric acid, on the left, looks very much like it and could …

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Are genetic outcomes inevitable

Are genetic outcomes inevitable? UBC professor Steven Heine discusses beliefs about DNA’s role in charting our futures Does DNA determine our destiny? That question, and others, made for a lively lecture on Thursday, April 14, by Steven Heine, a visiting …

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Spreading Seeds by Human Migration

A sampling of the diversity of corn found in Southern California urban gardens. PHOTO CREDIT: J. HERATY Click for a full size image Spreading Seeds by Human Migration Researchers find corn grown in home and community gardens by immigrant farmers …

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