Search Results for: mutations
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2,441 results for: mutations
- Health & Medicine
New antibiotic candidate shows promise
Tests in lab dishes and mice suggest an experimental compound called teixobactin can kill staph, TB microbes and other bacteria.
By Nathan Seppa - Genetics
Gene activity change can produce cancer
Scientists have long thought that epigenetic changes, which alter gene activity, can cause cancer. Now they have demonstrated it in a mouse experiment.
- Science & Society
Home-brewed heroin: Hold the hype
Now is the time to think about policy for synthetically produced morphine, but the process, if it bears out, is years away from working.
- Health & Medicine
Diet fix eases Huntington’s symptoms in mice
Supplement improves health of rodents with mutation that causes neurodegeneration like that seen in Huntington’s disease.
- 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.
By Nsikan Akpan - Health & Medicine
Prion mutation yields disease marked by diarrhea
Rare prion ailment starts in adulthood, attacking the gut before brain.
By Nathan Seppa - 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.
By Sid Perkins