Genetics
- Health & Medicine
Gene variant, processed meat linked to boost in cancer risk
In people with a specific variation of a gene on chromosome 10, eating processed meat is associated with an increased risk of developing colon cancer.
- Genetics
Gene activity sets humans apart from extinct hominids
Differences in gene activity caused by DNA methylation distinguish modern people from Neandertals and Denisovans.
- Genetics
Down’s syndrome goes beyond chromosome 21
A genetic analysis suggests that the DNA changes linked to Down's syndrome happen on all chromosomes, not just the 21st.
- Microbes
One giant leap for zit-causing microbes
A bacterium that lives on humans and causes acne also hopped to domesticated grapevines and relies on the plant for crucial DNA repairs.
- Genetics
Modern hunter-gatherers’ guts host distinct microbes
A healthy collection of gut bacteria depends on the environment in which people live and their lifestyle, research shows.
- Life
How cells keep from popping
The protein SWELL1 stops cells from swelling so much that they burst, a new study shows.
- Genetics
Five mutations could make bird flu spread easily
Handful of alterations can turn H5N1 bird flu into virus that infects ferrets through the air.
- Health & Medicine
Changes in kids’ genomes linked to chronic stress
In a study of 40 nine-year-old boys, kids from underprivileged backgrounds had telomeres that were 19 percent shorter than those of boys from more privileged environments.
-
- Genetics
Bank voles provide clue to prion disease susceptibility
A protein from bank voles makes mice susceptible to disorders that wouldn’t otherwise infect them.
- Genetics
Neandertal legacy written in Europeans’ fat metabolism
DNA inherited from Neandertal interbreeding may have helped people adjust to Europe’s environment.
By Meghan Rosen - 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.