2,458 results
2,458 results for: mutations
- Life
Rare mutations key to brain disorders
Many cases of mental retardation can be explained by genetic variants that arise in affected individuals.
- Life
Genes jump more in one type of autism
A mutation that causes Rett syndrome also increases the activity of retrotransposons in the brain.
- Life
Jigsaw genetics
Fragments of a fetus's genome can be pieced together from the mother's blood to allow prenatal diagnosis of genetic diseases.
- Health & Medicine
A protein’s ebb and flow
Buildup in the brain of a protein linked to Alzheimer's disease may be due to reduced clearance rather than overproduction of the protein.
- Life
Mice missing protein burn more fat
Research on the receptor for the 'hunger hormone' suggests a molecular strategy for revving up the body’s furnace.
- Life
Pneumonia drugs helped evolve a superbug
As told through DNA from historical samples, a deadly bacterium reveals how it developed the ability to evade antibiotics and a vaccine.
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- Chemistry
Molecules/Matter & Energy
Computer processors get even tinier, plus more in this week’s news.
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- Life
Packing away the poison
A genetic adaptation in a Hudson River fish species allows it to simply store toxic pollutants in its fat.
- Humans
Sweeps weak in human evolution
Contrary to conventional wisdom, the rapid spread of beneficial mutations has been relatively rare in the evolutionary history of Homo sapiens, a new study shows.
- Life
Genes & Cells
A study of the Amish reveals that sleep habits are inherited, plus more in this week’s news.
