2,458 results
2,458 results for: mutations
- Health & Medicine
Falling Influence: Influenza fighters have limited effects
The most readily available drugs against influenza have abruptly declined in effectiveness in the past decade.
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Flu from horses is racing among dogs
A highly contagious influenza virus that has killed greyhounds and sickened other dogs may have first jumped to canines from a single infected horse.
- Animals
Crickets on Mute: Hush falls as killer fly stalks singers
Within just 5 years, singing has nearly died out among a population of cricket on a Hawaiian island.
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DNA Clues to Our Kind: Regulatory gene linked to human evolution
A gene that exerts wide-ranging effects on the brain works harder in people than it does in chimpanzees and other nonhuman primates.
- Health & Medicine
Malaria Reversal: Drug regains potency in African nation
An inexpensive drug that had lost much of its punch against malaria over the past 20 years is showing signs of regaining its strength in the African nation of Malawi.
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Best Friend’s Genome: Dog’s DNA sheds light on human genetics, too
Scientists have published the genome of a boxer, a detailed comparison of the dog's genome with the genomes of mice and people, and a study of genetic variation among dog breeds.
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Shades of Flesh Tone: Tests reveal gene for people’s skin color
Researchers have identified a gene that they propose plays a major role in determining a person's skin color.
- Health & Medicine
Cancer Link: Gene regulates progesterone effect on breast cells
The BRCA1 protein regulates the effect of pro-growth progesterone, which could explain why having a mutated BRCA1 gene predisposes a woman to breast cancer.
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Robo Receptor: Researchers engineer a brain ion channel to take its cues from light
Scientists have engineered an ion channel in nerve cells to open or close in response to light.
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Share Alike: Genes from bacteria found in animals
Bacteria swap genes all the time, but it now appears that they can give their DNA to some animals as well.
- Plants
Cretaceous Corsages? Fossil in amber suggests antiquity of orchids
Orchids appeared on the scene about 80 million years ago, according to evidence from a bee that collected orchid pollen and got trapped in amber.
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One tall gene
The first reported gene for height can account for almost a centimeter of difference among people who have different versions of it.
