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image: Viral Protector

Viral Protector

By | April 21, 2015

A retrovirus embedded in the human genome may help protect embryos from other viruses, and influence fetal development.

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image: How a Popular Probiotic Works

How a Popular Probiotic Works

By | April 16, 2015

Eating a type of bacterium encourages the activity of other gut microbes, according to a small study.


image: Enzyme Improves CRISPR

Enzyme Improves CRISPR

By | April 1, 2015

A smaller Cas9 protein enables in vivo genome engineering via viral vectors.


image: Contributors


By | April 1, 2015

Meet some of the people featured in the April 2015 issue of The Scientist.


image: Manipulative Microbiomes

Manipulative Microbiomes

By | April 1, 2015

Gut bacteria control tumor growth via the mammalian immune system.


image: From Many, One

From Many, One

By | April 1, 2015

Diverse mammals, including humans, have been found to carry distinct genomes in their cells. What does such genetic chimerism mean for health and disease?


image: Soil Bacteria Live on Wine Grapes

Soil Bacteria Live on Wine Grapes

By | March 25, 2015

The earthiness of Merlot may have to do with grapevine-dwelling microbiota.


image: Short, Strong Signals

Short, Strong Signals

By | March 25, 2015

Methylation increases both the activity and instability of the signaling protein Notch.


image: Quorum-Sensing Molecule Modifies Gut Microbiota

Quorum-Sensing Molecule Modifies Gut Microbiota

By | March 19, 2015

Increasing the abundance of a chemical some microbes use to communicate with one another can help reinstate beneficial bacterial populations in the guts of antibiotic-treated mice. 

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image: Sewage Bacteria Linked to Obesity

Sewage Bacteria Linked to Obesity

By | March 10, 2015

Microbes identified in a city’s sewage treatment plants correlate with the population’s obesity rate, a study shows.

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