News tagged with molecular switch

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Reproduction and life span are intertwined

The gonad is well known to be important for reproduction but also affects animal life span. Removal of germ cells – the sperm and egg producing cells – increases longevity of the roundworm Caenorhabditis elegans. However, ...

dateDec 17, 2012 in Cell & Microbiology
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Light-activated reversal of anesthesia

In a new study, a light-sensitive moiety has been added to propofol, a commonly used anesthetic, allowing its narcotic effect to be controlled by light. The compound also offers a possible route to the treatment of certain ...

dateSep 13, 2012 in Biochemistry
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Biophysicists unravel secrets of genetic switch

When an invading bacterium or virus starts rummaging through the contents of a cell nucleus, using proteins like tiny hands to rearrange the host's DNA strands, it can alter the host's biological course. The invading proteins ...

dateAug 30, 2012 in General Physics
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Researchers discover key to burning fat faster

Enzymes involved in breaking down fat can now be manipulated to work three times harder by turning on a molecular switch recently observed by chemists at the University of Copenhagen. Being able to control this chemical on/off ...

dateAug 23, 2012 in Biochemistry
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Judging DNA by its cover

Stem cells hold great promise for the medicine of the future, but they can also be a cause of disease. When these self-renewing, unspecialized cells fail to differentiate into diverse cell types, they can start dividing uncontrollably, ...

dateJul 23, 2012 in Cell & Microbiology
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