Search Results for: mutations

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2,448 results

2,448 results for: mutations

  1. Science & Society

    Links between scrapie and MS less likely

    Five decades later, scientists still puzzle over what causes multiple sclerosis.

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  2. Life

    Old stem cell barriers fade away

    Barrier that keeps aging factors out of stem cells breaks down with age.

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  3. Genetics

    Risk identified in procedure for ‘three-parent babies’

    Resurgent mitochondria could spell trouble for disease therapy.

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  4. Health & Medicine

    Parasite gives a man cancer

    Tapeworms can kick parasitism up a notch to become cancer, a case in Colombia shows.

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  5. Genetics

    Ancient DNA pushes back timing of the origin of dogs

    DNA extracted from the fossil of an ancient wolf indicates dogs and wolves diverged longer ago than previously thought.

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  6. Genetics

    Mosquitoes engineered to zap ability to carry malaria

    Researchers have created a gene drive that prevents mosquitoes from carrying malaria.

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  7. Health & Medicine

    Genetic tweak turned plague bacterium deadly

    Two genetic changes allowed plague bacteria to cause deadly lung infections and pandemic disease.

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  8. Genetics

    Single exodus from Africa gave rise to today’s non-Africans

    Genetics and climate studies differ on when modern humans left Africa.

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  9. Genetics

    Ebola continues to shift, but grows no more fatal

    In the West African epidemic, Ebola evolved and spread quickly, but the virus is not becoming deadlier over time.

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  10. Life

    Aging: Nature’s way of reducing competition for resources

    Aging may have developed in many species as a genetic mechanism to conserve future resources. If the controversial proposal is true, then scientists may be able to greatly extend life span by deactivating the machinery for aging embedded in our DNA.

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  11. Health & Medicine

    Clean-up gene gone awry can cause Lou Gehrig’s disease

    Scientists have linked mutations on a gene involved in inflammation and cell cleanup to ALS, or Lou Gehrig’s disease.

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  12. Neuroscience

    No-pain gene discovered

    Scientists have identified a new genetic culprit for the inability to perceive pain.

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