2,444 results
2,444 results for: mutations
- Plants
Micro Sculptors
Snippets of RNA that control biochemical reactions by squelching the creation of specific proteins play a role in the development of leaves.
- Health & Medicine
Huntington’s Advance: Drug limits disease effects in laboratory mice
A compound that inhibits enzymes that act as stop signs for genes counteracts the movement disorders brought on by Huntington's disease, a mouse study suggests.
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19191
I was shocked to read that now we need to be concerned not only with genetically modified organisms that we can see, but code-transgressing organisms that are invisible. Altering Escherichia coli in this way seems very dangerous. E. coli is found in every human intestine and has a proven ability to swap genetic material with […]
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19163
Why has so much focus been placed on protecting us against the threat of a smallpox outbreak when a terrorist could choose to release a different infectious disease? Wouldn’t it be wiser to discuss ways to respond to and contain any unknown disease? More public awareness of this possibility would prevent the false sense of […]
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Hormone dulls a tongue’s taste for sweets
The hormone leptin may suppress the tongue's ability to taste sugary substances.
- Humans
Science News of the Year 2000
A review of important scientific achievements reported in Science News during the year 2000.
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19184
In this article, I was surprised to read that chimeras harboring a mutation are not medically useful. Consider the value of cytokine-receptor mutations in humans, with respect to HIV. It’s likely that introducing some genetic mutations can inhibit viruses or bacteria in a host. Freda Wasserstein Robbins New Jersey City University Jersey City, N.J.
- Health & Medicine
Heart risks linked to infertility syndrome
Women with polycystic ovaries—commonly linked to infertility—are more likely than women without the disease to show early signs of heart disease.
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Letting the Dog Genome Out: Poodle DNA compared with that of mice, people
Biologists have deciphered the DNA sequence of a poodle, an accomplishment that may help researchers study more than 300 human diseases that also affect dogs.
- Math
Computation’s New Leaf
Plants in which large numbers of simple units interact with one another appear to compute how to coordinate the actions of their cells effectively.
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Out of China: SARS virus’ genome hints at independent evolution
The newly identified SARS virus is the product of a long and private evolutionary history, clues from its genome suggest.
