2,474 results
2,474 results for: mutations
- Health & Medicine
Mutation linked to sinus infections
People who have frequent sinus infections are more likely on average to carry one copy of the same genetic mutation that causes cystic fibrosis, even though they don't have that disease.
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Drug-resistance gene found—again
A mutant gene confers resistance to chloroquine upon parasites that cause malaria.
- Health & Medicine
Cancer cells on the move
A new study suggests how a gene recently linked to liver, skin, and pancreatic cancer also causes an often-deadly form of breast cancer.
- Earth
Problems with eradicating polio
The oral vaccine's live but attenuated virus may in rare cases revert to the disease-causing form, which can then turn up in natural waters even in regions now certified free of the wild-type virus.
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First Plant Genome Thrills Biologists
The unveiling of the genetic blueprint of the tiny thale cress ushers in a new era in plant biology.
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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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- Humans
Science News of the Year 2000
A review of important scientific achievements reported in Science News during the year 2000.
- 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.
- Tech
DNA embrace might drive micromachines
DNA interactions that bend tiny diving boards, or cantilevers, may open the door to powering micromachines by means of molecular reactions.
- Health & Medicine
Silencing the BRCA1 gene spells trouble
Some breast cancer patients without a mutation in the BRCA1 gene nevertheless have an incapacitated gene, silenced by a process called hypermethylation of nearby DNA.
