A new study reveals that distinct networks of genes in the honey bee brain contribute to specific behaviors, such as foraging or aggression, researchers report.
Sep 26, 2011
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Scientists have found a control switch that regulates stem cell "pluripotency," the capacity of stem cells to develop into any type of cell in the human body. The discovery reveals that pluripotency is regulated by a single ...
Sep 15, 2011
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Sensors made from custom DNA molecules could be used to personalize cancer treatments and monitor the quality of stem cells, according to an international team of researchers led by scientists at UC Santa ...
Sep 07, 2011
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Scientists are reporting development of a long-sought new way to detect the activity of proteins that bind to the DNA in genes, often controlling the activity of genes in ways that make cells do everything ...
Sep 07, 2011
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Just as we must take out the trash to keep our homes clean and safe, it is essential that our cells have mechanisms for dealing with wastes and worn-out proteins. When these processes are not working properly, unwanted debris ...
Sep 01, 2011
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Plant biologists have been working for years to nail down the series of chemical signals that one class of plant hormones, called brassinosteroids, send from a protein on the surface of a plant cell to the cell's nucleus. ...
Aug 18, 2011
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Just like orchestra musicians waiting for their cue, RNA polymerase II molecules are poised at the start site of many developmentally controlled genes, waiting for the "Go!"- signal to read their part of the ...
Jul 14, 2011
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(Medical Xpress) -- With a combination of synthetic biology and optogenetics, researchers from the Swiss Federal Institute for Technology published a paper in Science outlining their new technique which enable ...
Jun 24, 2011
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Researchers at RIKEN have uncovered a mechanism by which the effects of stress in the fly species Drosophila are inherited epigenetically over many generations through changes to the structure of chromatin, ...
Jun 23, 2011
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A team of scientists from Genome Institute of Singapore (GIS) of the Agency for Science, Technology and Research (A*STAR) have shown how proteins involved in controlling genes work together to carry out their functions in ...
May 18, 2011
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During the development of an embryo, a large number of different, specialised cell-types arise from the fertilised egg. The genetic information is identical in all cells of an organism. Different properties ...
May 02, 2011
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Like people with a big choice to make, stem cells have a process to "decide" whether to transform into a specific cell type or to stay flexible, a state that biologists call "pluripotency." Using a technology he invented, ...
Apr 27, 2011
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Researchers at Albert Einstein College of Medicine of Yeshiva University have for the first time observed the activity of a single gene in living cells. In an unprecedented study, published in the April 22 online edition ...
Apr 21, 2011
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Botrytis bunch rot, a disease caused by the fungal pathogen Botrytis cinerea, can devastate grape vineyards. Yet other plants can repel the invader and protect themselves by mounting a form of chemical warfare against the fu ...
Apr 19, 2011
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