2,462 results
2,462 results for: mutations
- Earth
Minerals evolved along with life
Turns out, the variety and number of minerals in the solar system and on Earth have increased through time, and some minerals exist because Earth has life.
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Protein Lineages: Randomness was crucial to ancient genetic changes
Reconstruction of an ancient protein shows how seemingly unimportant mutations paved the way for its evolution into a molecule with an essential modern role.
- Life
Making T cells tougher against HIV
Delivering small interfering RNAs, or siRNAs, to human immune cells in mice protects the cells from HIV and suggests future therapy for patients.
- Life
Finding health in fragility
A unifying principle for protein networks' weaknesses could aid development of new drugs.
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Shared Differences
The architecture of our genomes is anything but basic.
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Dad’s Hidden Influence
Fathers share more than genes with their children. Where a man works, the chemicals he is exposed to, and even his age can leave a medical legacy for future children.
- Life
Losing sleep
A genetic source of mental retardation and autism may also disrupt sleep patterns.
- Health & Medicine
When antioxidants go bad
Overproduction of antioxidants, usually thought to be beneficial, is the cause of an inherited heart disease.
- Health & Medicine
Warning Sign: Genetic fragments tag cancer severity
High levels of the microRNA miR-21 lead to poor prognoses for colon cancer patients.
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Seeing Again: Blind fish parents have fry that see
Cross two strains of blind cavefish that have lived in the dark for a million years, and some of their offspring will be able to see.
