Cancer biologists identify major player in cell growth
Feb 06, 2007 |
4.1 / 5 (8) |
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When cells go about the business of dividing, they can get sidelined. Maybe there aren't enough nutrients. Maybe there aren't the right signals to resume multiplying. Either way, cells go quiet.
Human proteins evolving slowly thanks to multitasking genes
Biology /
Feb 06, 2007 |
4 / 5 (8) |
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Many human proteins are not as good as they might be because the gene sequences that code for them have a double role which slows down the rate at which they evolve, according to new research published in PLoS Biology.
Environmental toxicants like lead, mercury target stem cells
Biology /
Feb 06, 2007 |
4.6 / 5 (7) |
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Low levels of toxic substances cause critical stem cells in the central nervous system to prematurely shut down. That is the conclusion of a study published today in the on-line journal PLoS Biology. This research, which ...
UCSC ranked first in nation for research impact in physics
Feb 06, 2007 |
4.6 / 5 (7) |
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In a new analysis of research publications from top U.S. universities, the University of California, Santa Cruz, ranked first for the impact of its faculty in the field of physics and fifth in the field of space sciences. ...
Do cigarette warning labels work -- results from 4 countries
Feb 06, 2007 |
3.4 / 5 (9) |
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As the second leading cause of death in the world, cigarette smoking is a preventable behavior. Most countries require warnings about health risks on every package, but the effectiveness of these warnings depends upon the ...
With no plan for DNA replication, cells depend on random selection
Biology /
Feb 06, 2007 |
4.3 / 5 (7) |
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Each time a human cell divides it has to replicate three billion base pairs of DNA. All of the cell’s DNA must be copied once, but not more than once, within a very short period of time. But new research in yeast from Rockefeller ...
Power-boosting signal in muscle declines with age
Feb 06, 2007 |
4.7 / 5 (6) |
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As people age, they may have to exercise even harder to get the benefits afforded to younger folk. That's the suggestion of a report in the February issue of the journal Cell Metabolism, published by Cell Press, showing that a ...
Human's ecological footprint in 2015 and Amazonia revealed
Feb 06, 2007 |
3.3 / 5 (7) |
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A recent study shows human population size and affluence are the main drivers of human-caused environmental stressors, while urbanization, economic structure and age of population have little effect.
Genes involved in coffee quality have been identified
Biology /
Feb 06, 2007 |
4.8 / 5 (4) |
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To maintain their incomes, growers are increasingly banking on producing quality coffee. However, improving coffee beverage quality means knowing more about the biological processes - flowering, fruit ripening, etc - that ...
Discovery of a new type of very-high-energy gamma ray emitter
Feb 06, 2007 |
4 / 5 (4) |
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An international team of astrophysicists from the H.E.S.S. collaboration has announced the discovery of a new type of very-high-energy (VHE) gamma ray source. Combining data obtained during a systematic survey ...
Man-made proteins could be more useful than real ones
Feb 06, 2007 |
5 / 5 (3) |
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Researchers have constructed a protein out of amino acids not found in natural proteins, discovering that they can form a complex, stable structure that closely resembles a natural protein. Their findings could ...
First Research Projects Underway at Diamond
Feb 06, 2007 |
5 / 5 (2) |
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This week marks the dawn of a new era of scientific endeavour as Diamond Light Source, the UK’s brand new synchrotron facility, opens its doors for business and welcomes its very first scientific users.
Compounds show significant promise against potential bioweapon toxins
Feb 06, 2007 |
4.5 / 5 (2) |
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Because of the high cost and limited applicability of currently available treatments, the newly identified compounds have the potential to fill the existing therapy gap and to provide protection against a bioterrorism attack ...
Improved imaging for identifying breast cancer in overweight women
Feb 06, 2007 |
2.7 / 5 (3) |
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Increasing the ability to identify sentinel nodes—the very first lymph nodes that trap cancer cells draining away from a breast lesion site—has a major impact in the treatment and outcome of breast cancer patients, possibly ...
Bioengineering efficient antibiotic biosynthesis in E. coli
Biology /
Feb 06, 2007 |
3 / 5 (2) |
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The pathways underlying the production of antibiotics are now quite well known. For example, the antibacterial activity of erythromycin, an important polyketide antibiotic precursor, requires the transfer of two unusual sugars ...
