New research sheds light on the interaction between the semi-flexible protein tropomyosin and actin thin filaments. The study, published by Cell Press on February 15th in the Biophysical Journal, provides the first detailed ...
Cell & Microbiology
Feb 15, 2011
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For the casual observer it is fascinating to watch the orderly and seemingly choreographed motion of hundreds or even thousands of fish, birds or insects. However, the formation and the manifold motion patterns of such flocks ...
General Physics
Sep 1, 2010
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(PhysOrg.com) -- University of Pennsylvania bioengineers have demonstrated that the cells that line blood vessels respond to mechanical forces -- the microscopic tugging and pulling on cellular structures -- by reinforcing ...
Cell & Microbiology
May 13, 2010
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A new study reveals how molecular motors that power important subcellular movements can generate cyclical motion. The research, published by Cell Press in the December issue of the Biophysical Journal, opens a new door to ...
Cell & Microbiology
Dec 2, 2009
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In the fruit fly Drosophila, oskar mRNA, which is involved in defining the animal’s body axes, is produced in the nuclei of nurse cells neighbouring the oocyte, and must be transported to the oocyte and along its entire ...
Cell & Microbiology
Nov 26, 2009
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Every cell lining the small intestine bristles with thousands of tightly packed microvilli that project into the gut lumen, forming a brush border that absorbs nutrients and protects the body from intestinal bacteria. In ...
Cell & Microbiology
Jun 29, 2009
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(PhysOrg.com) -- Anyone who has ever battled a stuck zipper knows it's a good idea to see what's stuck, where and how badly -- and then to pull hard. A Cornell research team's experiments involve the "unzipping" of single ...
Jan 28, 2009
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Two independent teams of scientists from the University of Utah and the University of Massachusetts Medical School have discovered that a gene crucial for learning, called Arc, can send its genetic material from one neuron ...
Cell & Microbiology
Jan 16, 2018
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A group led by Professor Ikuko Hara-Nishimura (Department of Botany, Graduate School of Science) revealed the molecular mechanism underlying nuclear movement in plants.
Cell & Microbiology
Sep 5, 2013
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High-speed atomic force microscopy (HS-AFM) is providing the means to produce dramatic footage of moving biomolecules, and scientists at Kanazawa University leading the field.
Nanophysics
Jan 4, 2013
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