2,429 results
2,429 results for: mutations
- Life
Tibetans live high life thanks to extinct human relatives
DNA shared by modern-day Tibetans and extinct Denisovans suggests people picked up helpful genes through interbreeding with other hominids.
- Genetics
Gene editing reverses liver disorder in mice
By editing a mouse's genes with bacterial proteins, scientists have reversed a rare liver disorder in the animal.
- Health & Medicine
Carbs and gut microbes fuel colon cancer
Western nations experience high levels of colon cancer, and carbo-loading gut microbes might explain why, says a new study in mice.
- Health & Medicine
Prion mutation yields disease marked by diarrhea
Rare prion ailment starts in adulthood, attacking the gut before brain.
- Genetics
GMOs haven’t delivered on their promises — or risks
Genetically modified foods have been studied extensively and are abundant on supermarket shelves, but they haven’t managed to end world hunger yet.
- Genetics
Long before Columbus, seals brought tuberculosis to South America
Evidence from the skeletons of ancient Peruvians shows that seals may have brought tuberculosis across an ocean from Africa.
- Genetics
Gene drives spread their wings
Gene drives may wipe out malaria and take down invasive species. But they may be difficult to control.
- Science & Society
Cancer research scores big at Intel ISEF
An innovative statistical analysis of cancer-promoting genes earned a 15-year-old the top prize — and $75,000 — at the Intel International Science and Engineering Fair 2014.
- Science & Society
Big data studies come with replication challenges
As science moves into big data research — analyzing billions of bits of DNA or other data from thousands of research subjects — concern grows that much of what is discovered is fool’s gold.
- Health & Medicine
Ulcer microbe changes quickly to avoid immune attack
During the initial weeks of infection, Helicobacter pylori, the bacterium that causes stomach ulcers, mutates at a high rate, apparently to evade the body’s defenses.
-
- Genetics
Monkeys born with edited genes
A DNA-snipping technique inspired by bacteria shows therapeutic promise.
