2,477 results
2,477 results for: mutations
-
-
-
-
-
Drugs order bacteria to commit suicide
Seeking to explain how antibiotics work, scientists find a protein that commands bacteria to kill themselves.
- Health & Medicine
HIV may date back to the 1930s
Genetic analysis of the AIDS virus suggests it first infected humans in the first third of the 20th century.
- Health & Medicine
One more reason to worry
A single dose of the AIDS drug nevirapine, given to mothers to help prevent them from infecting their children during birth, may be enough to prod the virus to develop drug resistance.
-
Keeping Bugs from Pumping Drugs
Researchers hope that attacking the machinery some microbes use to pump antimicrobial agents out of their cells may help deal with the increasing problem of drug resistance.
-
Brain wiring depends on multifaceted gene
A single gene may produce 38,000 unique proteins that guide the growth of the developing brain.
- Health & Medicine
Silencing a gene slows breast-tumor fighter
The protein encoded by the HOXA5 gene plays a key role in fighting breast cancer, helping to switch on cancer-suppressing genes.
- Health & Medicine
Heart risks linked to infertility syndrome
Women with polycystic ovaries—commonly linked to infertility—are more likely than women without the disease to show early signs of heart disease.
-
