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 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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Chromatin - the intertwined histone proteins and DNA that make up chromosomes – constantly receives messages that pour in from a cell’s intricate signaling networks: Turn that gene on. Stifle that one.
Sep 01, 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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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 protein known as WWP2 appears to play a key role in tumor survival, a research team headed by a scientist at The University of Texas MD Anderson Cancer Center reports in an advance online publication of Nature Cell Biology.
May 03, 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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A paper published by Cell Press in the April 8th issue of the journal Cell Stem Cell reveals a new and more efficient method for reprogramming adult mouse and human cells into an embryonic stem cell-like state and could ...
Apr 07, 2011
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Plant biologists have discovered the last major element of 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. ...
Jan 23, 2011
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A small pool of stem cells replenishes the human body with about 200 billion new blood cells daily. But the elaborate circuitry that determines if a cell will develop into a T cell, red blood cell, or one of the nine or more ...
Jan 20, 2011
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While every cell of an organism contains the same genes only a proportion are expressed in any tissue at a given stage in development. Knowing the extent of gene transcription is valuable and a team of European researchers ...
Jan 18, 2011
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For decades, scientists have been searching for the fundamental biological secrets of how eating less extends lifespan.
Nov 18, 2010
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(PhysOrg.com) -- Birds and alligators have little in common, other than that the first is sometimes the other's lunch. That hasn't always been the case, though, and that's what attracts Arkhat Abzhanov.
Nov 05, 2010
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When most genes are transcribed, the nascent RNAs they produce are not quite ready to be translated into proteins - they have to be processed first. One of those processes is called splicing, a mechanism by ...
Oct 25, 2010
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Japanese molecular biologists have successfully reprogrammed adult rabbit body cells to form colonies of fully pluripotent cells that are highly similar to rabbit embryonic stem cells (ESCs).
Oct 11, 2010
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