Archive: 11/29/2007

How our ancestors were like gorillas

Research published in this week’s Science journal shows that some of our closest extinct relatives had more in common with gorillas than previously thought. Dr Charles Lockwood, UCL Department of Anthropology and lead a ...

Nov 29, 2007
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Hotspots found for chromosome gene swapping

Crossovers and double-strand DNA breaks do not occur randomly on yeast chromosomes during meiosis, but are greatly influenced by the proximity of the chromosome’s telomere, according to research in the laboratory of Whitehead ...

Nov 29, 2007
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Blood stem cells fight invaders, study finds

No other stem cell is more thoroughly understood than the blood, or hematopoietic, stem cell. These occasional and rare cells, scattered sparingly throughout the marrow and capable of replenishing an entire blood system, ...

Nov 29, 2007
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Flies' evasive move traced to sensory neurons

When fruit fly larvae are poked or prodded, they fold themselves up and corkscrew their bodies around, a behavior that appears to be the young insects’ equivalent of a “judo move,” say researchers reporting online on ...

Nov 29, 2007
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Small RNA plays parallel roles in bacterial metabolism

They are often overlooked, and were once thought to be too small to contribute much to major cellular processes, but in recent years the study of small ribonucleic acids (sRNA) has gained momentum. Now a team from the University ...

Nov 29, 2007
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Homeless cells find temporary lodging -- and their demise

Sometimes healthy cells commit suicide. In the 1970s, scientists showed that a type of programmed cell death called apoptosis plays a key role in development, and the 2002 Nobel Prize in Physiology or Medicine recognized ...

Nov 29, 2007
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