News tagged with molecular motor
And the beat goes on: Scientists jump-start the heart by gene transfer
Oct 05, 2009 |
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Scientists from the Universities of Michigan and Minnesota show in a research report published online in the FASEB Journal that gene therapy may be used to improve an ailing heart's ability to contract properly. In additi ...
Newly discovered mechanism in cell division has implications for chromosome's role in cancer
Aug 17, 2009 |
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"A biologist, a physicist, and a nanotechnologist walk into a..." sounds like the start of a joke. Instead, it was the start of a collaboration that has helped to decipher a critical, but so far largely unstudied, ...
Biologists learn structure, mechanism of powerful 'molecular motor' in virus
Biology /
Dec 24, 2008 |
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(PhysOrg.com) -- Researchers have discovered the atomic structure of a powerful "molecular motor" that packages DNA into the head segment of some viruses during their assembly, an essential step in their ability ...
Molecular motor works by detecting minute changes in force
Nanotechnology / Bio & Medicine
Jul 09, 2008 |
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Researchers at the University of Pennsylvania School of Medicine discovered that the activity of a specific family of nanometer-sized molecular motors called myosin-I is regulated by force. The motor puts tension on cellular ...
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2 signals -- from within and out of cell -- specify motor neuron differentiation
Jun 10, 2009 |
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Two signals - an external one from retinoic acid and an internal one from the transcription factor Neurogenin2 - cooperate to activate chromatin (the basic material of chromosomes) and help determine that certain nerve progenitor ...
Molecular motor structural changes imaged
Biology /
Sep 14, 2006 |
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A U.S.-led international team of researchers has shed new light on how tiny molecular motors that transport materials within cells generate energy.
RNA on the move
Nov 26, 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 ...
Bionanomachines: Proteins as resistance fighters
Aug 14, 2009 |
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(PhysOrg.com) -- Friction limits the speed and efficiency of macroscopic engines. Is this also true for nanomachines? A Dresden research team used laser tweezers to measure the friction between a single motor ...
Motor proteins may be vehicles for drug delivery
Mar 20, 2009 |
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Specialized motor proteins that transport cargo within cells could be turned into nanoscale machines for drug delivery, according to bioengineers. Chemical alteration of the proteins' function could also help inhibit the ...
Researchers shake up scientific theory on motor protein
Biology /
Feb 05, 2009 |
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(PhysOrg.com) -- An international team of scientists led by the University of Leeds has shed new light on the little-understood motor protein called dynein, thought to be involved in progressive neurological ...
Impaired transport in neurons triggers prion disease
Aug 21, 2009 |
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A new study shows that nervous system integrity and axonal properties may play a key role in prion diseases. The findings, from researchers at the Rudolf Virchow Center and the Institute of Virology of the University of Würzburg, ...
Mixing and matching genes to keep nerve cells straight
Biology /
Jun 09, 2008 |
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With fewer than 30,000 human genes with which to work, Nature has to mix and match to generate the myriad types of neurons or nerve cells needed to assemble the brain and nervous system. Keeping this involved process on the ...
Chemists create bipedal, autonomous DNA walker
Apr 02, 2009 |
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Chemists at New York University and Harvard University have created a bipedal, autonomous DNA "walker" that can mimic a cell's transportation system. The device, which marks a step toward more complex synthetic molecular ...
Lou Gehrig's protein found throughout brain, suggesting effects beyond motor neurons
Jun 16, 2008 |
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Two years ago researchers at the University of Pennsylvania School of Medicine discovered that misfolded proteins called TDP-43 accumulated in the motor areas of the brains of patients with amyotropic lateral ...
List of search results for molecular motor
