2,476 results
2,476 results for: mutations
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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.
- Health & Medicine
HIV sexual spread exploits immune sentinels
The virus that causes AIDS latches onto a protein called DC-SIGN to hitch a ride on immune cells in mucus membranes and spread through the body.
- Agriculture
Apple pests stand up to antibiotics
Scientists are concerned about new forms of antibiotic resistance cropping up in fire blight—a deadly disease of apple trees.
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For geneticists, interference becomes an asset
A new method of disrupting genes, called RNA interference, works in mouse cells.
- Health & Medicine
Nerve cells of ALS patients harbor virus
Fragments of viral genetic material show up with unusually high frequency in nerve tissue of patients with ALS, or Lou Gehrig's disease, suggesting a link between the virus and this lethal illness.
- Health & Medicine
Survivors’ Benefit?
Smallpox outbreaks throughout history may have endowed some people with genetic mutations that make them resistant to the AIDS virus.
- Health & Medicine
New Compounds Inhibit HIV in Lab
Two new compounds uncovered by pharmaceutical scientists block integrase, an enzyme essential to the replication cycle of the virus that causes AIDS.
- Genetics
Cloning-like method targets mitochondrial diseases
Providing healthy ‘power plants’ in donor egg cells appears feasible in humans, a new study finds.
- Health & Medicine
Old drug, new tricks
Metformin, cheap and widely used for diabetes, takes a swipe at cancer.
- Neuroscience
The Inconstant Gardener
Microglia, the same immune cells that help sculpt the developing brain, may do damage later in life .
- Microbes
The vast virome
When it comes to the microbiome, bacteria get all the press. But virologists are starting to realize that their subjects also do a lot more than make people sick.
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