Search Results for: mutations

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2,448 results

2,448 results for: mutations

  1. Life

    Genetic analysis of swine flu virus reveals diverse parts

    Detailed genetic analysis of the H1N1 swine flu virus indicates that its components have been present for years. The virus is still susceptible to drugs and vaccine development.

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  2. Venom hunters

    Scientists probe toxins, revealing the healing powers of biochemical weapons.

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  3. Enzymes Exposed

    Clearer views of the cell’s movers and shakers threaten a century-old mainstay of biology.

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  4. Environment

    Destination brain

    Inhaled pollutants may inflame more than the lungs.

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  5. Rare mutations tied to schizophrenia

    Individual-specific DNA deletions and duplications, many located in genes involved in brain development, occur in an unusually large percentage of people with schizophrenia.

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  6. Letters

    Don’t dismiss Lamarck Your January 31 special birthday edition on Darwin (SN: 1/31/09, p. 17) was excellent, but I believe that science has allowed Jean-Baptiste Lamarck’s contributions to be overshadowed by Darwin’s. The change that can occur to an organism’s genetic makeup during its own lifetime harks away from Darwin’s slow evolutionary process by chance […]

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  7. Health & Medicine

    Sequencing virus genome to cure the common cold

    The genomes of all known common cold viruses have been sequenced, providing new information on how the different strains are related, how they replicate and how to predict their virulence.

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  8. Life

    Duplication in genomes may separate humans from apes

    A sudden peak in duplication of chunks of DNA in the common ancestor of humans, chimps and gorillas led to genetic flexibility, which created differences among the species.

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  9. Life

    A ‘foxi’ gene for dog baldness

    A FOXI3 mutation makes some dogs bald.

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  10. Life

    A better understanding of inherited breast cancer

    New studies on a type of inherited breast cancer identify a key factor with different roles in different cancers.

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  11. Health & Medicine

    Early intellectual gap found for kids of older fathers

    A reanalysis of data from more than 33,000 U.S. children finds that those with older fathers fared somewhat poorer on intelligence tests than those with younger fathers, regardless of mothers’ ages.

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  12. Chemistry

    Flowerless plants make fancy amber

    A new analysis suggests that ancient seed plants made a version of the fossilized resin credited to more modern relatives

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