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image: Human Genes Can Save Yeast

Human Genes Can Save Yeast

By Ruth Williams | May 21, 2015

Replacing yeast genes with their human equivalents reveals functional conservation despite a billion years of divergent evolution.

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Researchers develop a CRISPR-based, two-phage system that sensitizes resistant bacteria to antibiotics and selectively kills any remaining drug-resistant bugs. 

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image: The Evolution of Social Bees

The Evolution of Social Bees

By Ruth Williams | May 14, 2015

Scientists describe the genetic changes associated with solitary-to-social transitions throughout bee evolution.

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image: Maturation of the Infant Microbiome

Maturation of the Infant Microbiome

By Kerry Grens | May 13, 2015

Gut microbial communities from breastfed babies are slow to resemble adults’ microbiota.

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image: Prokaryotic Microbes with Eukaryote-like Genes Found

Prokaryotic Microbes with Eukaryote-like Genes Found

By Jyoti Madhusoodanan | May 6, 2015

Deep-sea microbes possess hallmarks of eukaryotic cells, hinting at a common ancestor for archaea and eukaryotes.

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image: Cancer Sequencing Controls

Cancer Sequencing Controls

By Ruth Williams | April 15, 2015

Comparing a patient’s tumor DNA sequence with that of her normal tissue can improve researchers’ identification of disease-associated mutations.

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image: Enzyme Improves CRISPR

Enzyme Improves CRISPR

By Kerry Grens | April 1, 2015

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

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image: Short, Strong Signals

Short, Strong Signals

By Ruth Williams | March 25, 2015

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

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image: Quorum-Sensing Molecule Modifies Gut Microbiota

Quorum-Sensing Molecule Modifies Gut Microbiota

By Anna Azvolinsky | 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: T Cells of the Skin

T Cells of the Skin

By Ruth Williams | March 18, 2015

A census of adaptive immune system components in human skin reveals a variety of resident and traveling memory T cells.

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