2,468 results
2,468 results for: mutations
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Disabled genes dull sense of smell
Mutated genes may explain why humans have a poor sense of smell.
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Bdelloids: No sex for over 40 million years
Researchers find the strongest evidence yet for creatures that have evolved asexually for millions of years.
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Popularity of germ fighter raises concern
The growing use of the antiseptic triclosan in products ranging from mouthwash to cutting boards and hunting clothes may create bacteria resistant to antibiotic drugs.
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Debate over Alzheimer’s enzyme flares up
Scientists continue to tussle over the identity of an enzyme implicated in Alzheimer's disease.
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Brain wiring depends on multifaceted gene
A single gene may produce 38,000 unique proteins that guide the growth of the developing brain.
- Health & Medicine
Silencing a gene slows breast-tumor fighter
The protein encoded by the HOXA5 gene plays a key role in fighting breast cancer, helping to switch on cancer-suppressing genes.
- Health & Medicine
Heart risks linked to infertility syndrome
Women with polycystic ovaries—commonly linked to infertility—are more likely than women without the disease to show early signs of heart disease.
- Health & Medicine
Gene causes body-fat disorder
A gene linked to a form of muscular dystrophy also causes a disease that deposits fat unevenly after puberty.
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Sexual orientation linked to handedness
A metanalysis reveals right-handedness is more common among heterosexuals than homosexuals, suggesting a neurobiological basis for sexual orientation.
- Health & Medicine
Enzyme needed to degrade acetaldehyde
A shortage of the enzyme ALDH-2, which is needed to break down alcohol in the body, causes a buildup of the cancer-linked chemical acetaldehyde, perhaps explaining why alcoholics lacking ALDH-2 have high rates of mouth and throat cancers.
- Health & Medicine
Gene mutation for color blindness found
Scientists have identified the gene that is mutated in people who have color blindness on the Pacific island of Pingelap, perhaps paving the way for genetic screening.
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Ebola protein explains deadly mystery
The infamous virus called Ebola has a surface protein that kills cells in blood vessels.
