As large organisms, trees face some remarkable challenges, particularly regarding long-distance transport and communication. In addition to moving water and nutrients from their roots to their leaves, they must also integrate ...
Cell & Microbiology
Dec 7, 2012
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Induced pluripotent stem (iPS) cells have the potential to form any cell type in the body, providing a powerful tool for drug discovery and regenerative medicine. Yet coaxing these cells to reliably take on a specific fate ...
Cell & Microbiology
Dec 5, 2012
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(Phys.org)—Scientists from the Friedrich Miescher Institute for Biomedical Research and the Biozentrum of the University of Basel have published an important proof-of-principle study showing that a computational model can ...
Biotechnology
Dec 4, 2012
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The regulation of important signal molecules that are critical for the formation of various cell types can be influenced by a chemically produced variant of indirubin, a natural material used in traditional Chinese medicine. ...
Cell & Microbiology
Nov 30, 2012
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Picture two charged particles in a vacuum. Thanks to laws of elementary electrostatics, we can easily calculate the force these particles exert upon one another, and therefore predict their movements.
General Physics
Nov 28, 2012
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Recently biologists at the University of Massachusetts Amherst led by Wei-lih Lee have identified a new molecular player in asymmetric cell division, a regulatory protein named She1 whose role in chromosome- and spindle positioning ...
Cell & Microbiology
Nov 8, 2012
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(Phys.org)—A research team at the National Institute of Standards and Technology (NIST) has developed a model for making quantifiable predictions of how a group of cells will react and change in response to a given environment ...
Biochemistry
Nov 1, 2012
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Blood cells originate from a small pool of hematopoietic stem cells (HSCs) through a complex process of differentiation steps that are tightly regulated at the transcriptional level. Dissecting the mechanisms underlying this ...
Cell & Microbiology
Oct 5, 2012
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(Phys.org)—Swiss cell biologists at Empa want to "tune" implants such that they can better carry out their tasks in the human body. The surface of the implant is the key to success. Together with the Fraunhofer Institute ...
Materials Science
Oct 4, 2012
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(Phys.org) -- Researchers at the University of Dundee have identified a molecule that could play a key role in how cells develop into the building blocks of life.
Cell & Microbiology
Aug 7, 2012
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