2,458 results
2,458 results for: mutations
- Health & Medicine
Motor Ways: Gene mutation impairs muscle coordination
Scientists have identified a gene mutation that appears to cause the motor impairment that occurs in a rare disorder called Joubert syndrome.
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Roma Record: Paths of the Gypsy population’s diasporas
Tracking genetic mutations has given researchers a tentative picture of the migration patterns of the Roma, or Gypsies, over the last millennium.
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Cavefish blinded by gene expression
New evidence supports the theory that Mexican blind cavefish are sightless by evolutionary selection, not chance.
- Chemistry
Microbes Make the Switch: Tailored bacteria need caffeine product to survive
Bacteria that rely on a chemical derived from the breakdown of caffeine for their survival could help lead to the development of decaffeinated coffee plants.
- Animals
Dangerous Times: Guppies don’t follow rules for old age
A study of wild guppies suggests that life in a dangerous place does not automatically push evolution toward rapid aging as previously thought.
- Health & Medicine
Persistent Cough: Pertussis rises in young adults and infants
Pertussis, or whooping cough, appears to be rebounding in many age groups, causing long-lasting symptoms in adolescents and adults and threatening the lives of unvaccinated infants.
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Ancient Gene Takes Grooming in Hand
A gene involved in body development also plays a critical role in regulating the grooming behavior of mice, a discovery that may advance the understanding of certain psychiatric disorders.
- Health & Medicine
Team locates anthrax-receptor protein
Scientists have identified the protein that enables the anthrax toxin to attach to cells and trigger disease, while another team has mapped the molecular structure of the toxin component that does most of the damage to cells.
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Gene influences density of the skeleton
The mutated gene responsible for a rare bone disorder has been found.
- Chemistry
Viral parts: Chemists convert virus into nanoscale tool
Researchers are decorating viruses with a variety of molecules, making the microbes into potential building blocks in electronic circuits and new materials, as well as tools in biomedical therapies.
- Health & Medicine
DREAMing away pain
Mutant mice lacking a certain regulatory protein overproduce a natural opioid and are less sensitive to pain than are other mice.
- Health & Medicine
Suspicious DNA: Chromosome study homes in on Alzheimer’s disease
Several human chromosomes now face intensified scrutiny for possibly harboring genes involved in Alzheimer's disease.
