2,444 results
2,444 results for: mutations
- Life
Human evolution tied to a small fraction of the genome
Natural selection has concentrated on a small portion of the human genome, and mostly not on genes themselves.
- Neuroscience
Study of psychiatric disorders is difficult in man and mouse
Studying human psychiatric disorders in animals presents a challenge. A new study highlights one of the ways scientists can study human mutations by slipping them into mice.
- Genetics
DNA disorganization linked to aging
Changes in the way that DNA is tightly packed in cells leads to mayhem that promotes the aging process.
- Neuroscience
Electrical zap of cells shapes growing brains
The electric charge across cell membranes directs many aspects of brain development, and changing it can fix certain brain birth defects.
- 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
Resistance to key malaria drug spreads
Parasites that are less susceptible to artemisinin now affect several Asian countries.
- Animals
Flamboyant old bustards keep showing off
Among outrageously flirtatious birds called houbara bustards, old males may pay a penalty for years of extreme display.
- Neuroscience
Alzheimer’s disease may come in distinct forms
Mouse experiments, if confirmed in people, imply that Alzheimer’s disease treatment should be personalized.
- Plants
From lemons to kumquats, roots of citrus variety dug up
Citrus fruits’ lineage is traced through chloroplast DNA, revealing both maternal and paternal heritage.
- Health & Medicine
Hepatitis E vaccine shows strong coverage
A large trial in China indicates that a vaccine can provide 87 percent protection against the hepatitis E virus, which infects 20 million people a year.
- Neuroscience
Girls may require more mutations than boys to develop autism
New results may help explain why more males wind up with autism.
- Health & Medicine
There’s no need to panic about enterovirus
The enterovirus behind this year’s outbreak, EV-D68, has been around for decades and generally causes mild symptoms.
