ScienceDaily: Biotechnology News |
- Tropical coral could be used to create novel sunscreens for human use, say scientists
- New way to disarm malaria parasite
- Natural anti-oxidant deserts aging body: Cell’s reserve fighting force shrinks with age, new study finds
- New method reveals parts of bacterial genome essential to life
| Tropical coral could be used to create novel sunscreens for human use, say scientists Posted: 30 Aug 2011 06:36 PM PDT Researchers have discovered how coral produces natural sunscreen compounds to protect itself from damaging UV rays, leading scientists to believe these compounds could form the basis of a new type of sunscreen for humans.  |
| New way to disarm malaria parasite Posted: 30 Aug 2011 04:38 PM PDT A novel technique to "tame" the malaria parasite, by forcing it to depend on an external supply of a vital chemical, has been developed. The scientists have, in effect, created a domesticated strain of Plasmodium -- the one-celled parasite that causes malaria -- that would no longer cause this dreaded disease.  |
| Posted: 30 Aug 2011 11:46 AM PDT A new study of human cells finds that mitochondria, energy plants of cells, are more vulnerable in senescent cells due to impaired function of an anti-oxidant enzyme.  |
| New method reveals parts of bacterial genome essential to life Posted: 30 Aug 2011 06:23 AM PDT A research team has cataloged, down to the letter, exactly what parts of the genetic code are essential for survival in one bacterial species, Caulobacter crescentus. They found that 12 percent of the bacteria's genetic material is essential for survival under laboratory conditions. The essential elements included not only protein-coding genes, but also regulatory DNA and, intriguingly, other small DNA segments of unknown function. The other 88 percent of the genome could be disrupted without harming the bacteria's ability to grow and reproduce.  |
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