2,474 results
2,474 results for: mutations
- Health & Medicine
Sex, smell and appetite
A study of sexual dysfunction in mutated mice may help explain the connection between smell and appetite.
- Health & Medicine
Melanoma gene quickly reeled in
Biologists have discovered a gene that may contribute to many cases of deadly skin cancer.
- Plants
Sunflower genes don’t fit pattern
Comparison between crop and wild sunflower genes suggests that the plant followed an easy route to domestication.
- Health & Medicine
Lost and found
Researchers have shown that a drug may shepherd a mutated protein—gone astray in people with cystic fibrosis—into its proper place.
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Cancer Flip-Flop: Gene acts in both proliferation and control of growth
Scientists have identified what might be a new class of cancer-controlling genes that alternates between halting and promoting cancer.
- Health & Medicine
An Exploitable Mutation: Defect might make some lung cancers treatable
Nonsmokers who develop lung cancer are more likely than their smoking counterparts to have a mutation in the gene encoding epidermal growth factor receptor.
- 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.
