Search Results for: mutations

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2,442 results

2,442 results for: mutations

  1. Health & Medicine

    Possible prostate cancer culprit

    Scientists identify a type of stem cell and a gene that play a role in the disease.

    By Laura Sanders
  2. Life

    DNA comparison of identical twins finds no silver bullet for MS

    The first study of its kind suggests an unknown environmental cause for multiple sclerosis, but future research could still yield a genetic trigger.

    By Tina Hesman Saey
  3. Life

    Bornavirus genes found in human DNA

    Researchers have found molecular fossils of an RNA virus in human and other mammalian genomes, pushing back the emergence of RNA viruses millions of years.

    By Tina Hesman Saey

  4. Rust Never Sleeps

    A new flare-up in an age-old battle between wheat and a fungal killer.

    By Rachel Ehrenberg

  5. Evolution’s Wedges

    Finding the genes that drive one species into two.

    By Daniel Strain
  6. Life

    Undereducated immune cells get aggressive with HIV

    Scientists discover a mechanism that makes some people resistant to infection with the AIDS virus.

    By Tina Hesman Saey
  7. Health & Medicine

    Gene linked to pain perception

    A common genetic variant that appears to increase sensitivity could lead to the development of better medications.

    By Laura Sanders
  8. Humans

    BPA induces sterility in roundworms

    Bisphenol A does a real number on the genes responsible for successful reproduction in a 1-millimeter-long soil-dwelling roundworm. And that suggests BPA might pose similar risks to people because geneticists are finding that this tiny critter can be a remarkably useful “lab rat” — predicting impacts in mammals, including us.

    By Janet Raloff
  9. Archaeology

    Skeleton of Western man found in ancient Mongolian tomb

    A genetic analysis of a skeleton from an ancient Asian tomb illuminates the spread of Indo-Europeans.

    By Bruce Bower
  10. Health & Medicine

    Vital flaw

    Liver cells that inherit the wrong number of chromosomes often do just fine, and may even have some advantages.

    By Tina Hesman Saey
  11. Health & Medicine

    What’s missing may be key to understanding genetics of autism

    A large study of people with the developmental disorder reveals the importance of extremely rare variations in genes, making each case a bit different.

    By Tina Hesman Saey
  12. Health & Medicine

    Childhood leukemia worsened by genetic mutations

    Mutations in JAK genes make childhood leukemia more dangerous and may offer a target for drug manufacturers.

    By Nathan Seppa