Search Results for: Virus

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6,292 results

6,292 results for: Virus

  1. Tech

    Biowarfare: Engineered virus can invade bacterial film

    A genetically engineered virus not only kills bacteria but makes an enzyme that breaks up the biofilm in which the bacteria live.

    By Davide Castelvecchi
  2. Health & Medicine

    Spermicide Flip Side: Compound may promote papillomavirus infection

    The widely used spermicide nonoxynol-9 may boost the infectiousness of human papillomavirus, mouse tests show.

    By Nathan Seppa
  3. Health & Medicine

    Hepatitis B drug creates HIV resistance

    A hepatitis B drug spurs resistance to HIV drugs in people infected with both diseases.

    By Carolyn Barry
  4. Health & Medicine

    Tumor Suicide: Gene therapy makes cancer cells self-destruct

    Microscopic bubbles of fat that deliver a suicide gene to tumor cells show success in treating pancreatic cancer in mice.

    By Patrick Barry
  5. Health & Medicine

    AIDS Abated: Genome scans illuminate immune control of HIV

    Three genetic variations picked out by powerful whole-genome scans help explain why some people develop AIDS quickly while others keep it at bay.

    By Brian Vastag

  6. Old viruses have new tricks

    Invading viruses can trick a cell into turning off its defense mechanisms.

    By Patrick Barry
  7. Tech

    A Moment in the Life of a Cell: Microscopic scan images without intruding

    A laser technique similar to a CAT scan produces 3-D images of living cells without the need for chemical staining.

    By Davide Castelvecchi
  8. Health & Medicine

    Infectious Obesity: Adenovirus fattens stem cells

    Some cases of obesity may result from infection by a virus that can transform adult stem cells into fat-storing cells.

    By Brian Vastag
  9. Life

    HIV after DARC

    A gene variant prevalent in people of African descent increases the risk of HIV infection but also helps slow disease progression.

    By Tina Hesman Saey
  10. Plants

    Parasitic plant gets more than a meal

    The parasitic vine known as dodder really sucks. It pierces the tissue of other plants — some of which are important crops — extracting water and nutrients needed for its own growth. But it also consumes molecules that scientists could manipulate to bring on the parasite’s demise.

    By Rachel Ehrenberg
  11. Health & Medicine

    New HIV inhibitor

    A new HIV drug can, when combined with other therapies, suppress even the most drug-resistant strains of the virus that causes AIDS, scientists report in two papers in the July 24 New England Journal of Medicine.

    By Ashley Yeager
  12. Health & Medicine

    A chink in flu’s armor

    Finding the shape of a protein that enables the flu virus to replicate points to ways to combat the disease.

    By Patrick Barry