2,444 results
2,444 results for: mutations
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Losing Sleep: Mutant flies need less shut-eye
The ability to get by on little sleep may have a strong genetic component, according to a new study in fruit flies.
- Anthropology
Evolution’s Mystery Woman
A heated debate has broken out among anthropologists over whether a highly publicized partial skeleton initially attributed to a new, tiny species of human cousins actually comes from a pygmy Homo sapiens with a developmental disorder.
- Health & Medicine
Protein fingered in rare psychosis
A protein is pivotal in bringing on the psychotic attacks that beset people with porphyria, a rare inherited disease.
- Anthropology
Chimps to People: Apes show contrasts in genetic makeup
The first comparison of the chimpanzee genome to that of people has revealed new DNA disparities between ourselves and the primate species most closely related to us.
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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.
- Health & Medicine
May I Propose a High-Fiber Toast?
Scientists have genetically modified wheat to boost a type of dietary fiber linked to numerous health benefits.
- Chemistry
Target Practice
As they study the biochemical processes that make Mycobacterium tuberculosis tick, researchers are finding new targets to exploit to combat the microbe.
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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.
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Mutated gene doubles fruit fly’s life span
The product of the Indy gene resembles transport proteins in mammals that enable intestinal and kidney cells to take in metabolites to produce energy.
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19537
I usually tend to downplay worries about research in genetics, but I was quite concerned after reading “Expanding the genetic code” (SN: 4/2/05, p. 222). The researchers surely have plans to keep whatever they create contained. But adding a fifth base to the DNA of bacteria with a genetic mutation rate 10,000 times that of […]
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19535
I usually tend to downplay worries about research in genetics, but I was quite concerned after reading this article. The researchers surely have plans to keep whatever they create contained. But adding a fifth base to the DNA of bacteria with a genetic mutation rate 10,000 times that of normal bacteria seems unnecessarily dangerous. I […]
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Plants fix genes using copies from ancestors
Some plants can reinstate genes missing from their own chromosomes but that had been carried by previous generations.
