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image: Sponging Up Phosphorus

Sponging Up Phosphorus

By | July 1, 2015

Symbiotic bacteria in Caribbean reef sponges store polyphosphate granules, possibly explaining why phosphorous is so scarce in coral reef ecosystems.

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image: New Immunity

New Immunity

By | June 1, 2015

A scaffolding protein forms the hub of a newly identified immune pathway in plants.


image: The Origins of O

The Origins of O

By | May 1, 2015

A strain of HIV that has afflicted more than 100,000 people emerged from gorillas.


image: Manipulative Microbiomes

Manipulative Microbiomes

By | April 1, 2015

Gut bacteria control tumor growth via the mammalian immune system.


image: Signaling Resistance

Signaling Resistance

By | April 1, 2015

Activating signaling pathways, rather than individual genes, reveals roles for both growth and dedifferentiation in establishing resistance to cancer treatments.


image: Toggling Between Life and Death

Toggling Between Life and Death

By | April 1, 2015

In estrogen receptor–positive breast cancer, the transcription factor IRF1 tips the balance between cellular suicide and survival through autophagy.


image: Nibbled? No Problem

Nibbled? No Problem

By | February 1, 2015

Making extra copies of their genomes allows some plants to better withstand damage.


image: Cadherin Connection

Cadherin Connection

By | December 1, 2014

A multitasking plasma membrane protein coordinates cell division and energy metabolism in healthy—and perhaps also cancerous—Drosophila cells.


image: Polymerase Pieces

Polymerase Pieces

By | December 1, 2014

Researchers discover a new subunit of a bacterial RNA polymerase—as well as hints of its potential role in defending against viruses.


image: Sexless Hook-Up

Sexless Hook-Up

By | September 1, 2014

Genome fusion at stem graft junctions can generate new plant species.

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