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image: Inhibit Mitochondria to Live Longer?

Inhibit Mitochondria to Live Longer?

By Sabrina Richards | May 22, 2013

Researchers find that reducing mitochondrial protein production in some animals can increase lifespan by activating a protective stress response.


image: Macrophages Drive Regeneration

Macrophages Drive Regeneration

By Edyta Zielinska | May 22, 2013

The activity of one type of immune cell helps regrow the limbs of amputated salamanders.


image: Vitamin C Slays TB Bacteria

Vitamin C Slays TB Bacteria

By Dan Cossins | May 21, 2013

The essential nutrient can kill drug-resistant Mycobacterium tuberculosis by producing oxidative radicals that damage DNA.

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image: Protective Phages

Protective Phages

By Edyta Zielinska | May 20, 2013

Viruses that attack bacteria may be an important component of our gut microbiota.


image: Blood Protein Rejuvenates Aging Heart

Blood Protein Rejuvenates Aging Heart

By Dan Cossins | May 10, 2013

A molecule found only in the blood of young mice dramatically reverses thickening and stiffening of the heart muscle in old mice.


image: Discoverer of Lysosomes Dies

Discoverer of Lysosomes Dies

By Kate Yandell | May 8, 2013

Christian de Duve chose to be euthanized at home in Belgium at age 95.


image: Telomeres Affect Gene Expression

Telomeres Affect Gene Expression

By Ed Yong | May 5, 2013

As telomeres shorten with age, genes as far as 1,000 kilobases away could be affected, including one responsible for an inherited muscle disease.


image: Re-sensitizing Resistant Bacteria

Re-sensitizing Resistant Bacteria

By Dan Cossins | May 2, 2013

Researchers use a protein-lipid complex found in human breast milk to increase the activity of otherwise-ineffective antibiotics against drug-resistant pathogens.


image: Easy Jump for H5N1 from Bird to Mammal

Easy Jump for H5N1 from Bird to Mammal

By Ruth Williams | May 2, 2013

Hybrid viruses derived from an H5N1 bird flu strain can infect guinea pigs through the air.

1 Comment

image: Sharing the Load

Sharing the Load

By Dan Cossins | May 1, 2013

By varying the size of their steps, dynein motor proteins work effectively as teams to carry heavy loads around the cell.


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