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» cell & molecular biology and microbiology

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image: Inner Ear Undertakers

Inner Ear Undertakers

By Kerry Grens | September 1, 2015

Support cells in the inner ear respond differently to two drugs that kill hair cells.


image: The Regenerators

The Regenerators

By Amanda B. Keener | September 1, 2015

A molecular signature makes it possible to trace the details of hair cell replacement in the mammalian inner ear.

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image: Sponging Up Phosphorus

Sponging Up Phosphorus

By Jenny Rood | 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: The Origins of O

The Origins of O

By Kerry Grens | May 1, 2015

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


image: Manipulative Microbiomes

Manipulative Microbiomes

By Jenny Rood | April 1, 2015

Gut bacteria control tumor growth via the mammalian immune system.


image: Signaling Resistance

Signaling Resistance

By Jenny Rood | 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 Ashley P. Taylor | April 1, 2015

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


image: Growth Hormone Guidance

Growth Hormone Guidance

By Jenny Rood | March 1, 2015

Intact growth hormone signaling pathways are needed for methionine restriction to extend mouse lifespan.


image: Long Live Collagen

Long Live Collagen

By Ashley P. Taylor | March 1, 2015

Increased collagen expression is a common feature of many different pathways to extended longevity in worms.


image: Polymerase Pieces

Polymerase Pieces

By Jef Akst | 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.


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