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» cell & molecular biology and microbiology

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image: Antibiotic Bouncer

Antibiotic Bouncer

By | March 1, 2013

Contrary to previous assumptions that macrolide antibiotics completely block the exit tunnel of ribosomes, new evidence shows that some peptides are allowed to pass.


image: Crack Control

Crack Control

By | March 1, 2013

Nanoscale cracks in bone dissipate energy to protect against fracture, a process that appears to be regulated by the interaction of two proteins.


image: Sleep Protection

Sleep Protection

By | March 1, 2013

Inducing certain brain patterns extends non-REM sleep in mice.


image: Feeding Time

Feeding Time

By | February 1, 2013

The eating schedule—and not the amount of calories—can make the difference between an obese, diabetic, sick mouse and one with a healthy metabolism.


image: Fellow Travelers

Fellow Travelers

By | February 1, 2013

Collective cell migration relies on a directional signal that comes from the moving cluster, rather than from external cues.

1 Comment

image: Stockpiling Histones

Stockpiling Histones

By | February 1, 2013

Histones stored on lipid droplets in fly embryos provide a backup supply when newly synthesized ones are lacking.


image: Bacterial Sacrifice

Bacterial Sacrifice

By | January 1, 2013

Patterns of cell death aid in the formation of beneficial wrinkles during the development of bacterial biofilms.

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image: How Plants Feel

How Plants Feel

By | December 1, 2012

A hormone called jasmonate mediates plants' responses to touch and can boost defenses against pests.

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image: The Plastic Genome

The Plastic Genome

By | December 1, 2012

The poxvirus stockpiles genes when it needs to adapt.

1 Comment

image: Microbial Awakening

Microbial Awakening

By | November 1, 2012

Successive awakening of soil microbes drives a huge pulse of CO2 following the first rain after a dry summer.

1 Comment

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