Research scientists at the Ruhr University Bochum discovered a new enzyme, which gives decisive insights into protein import into specific cellular organelles (peroxisomes). In the Journal of Biological Chemistry, the team ...
Biochemistry
Jul 25, 2011
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(PhysOrg.com) -- Joshua Shaevitz, an assistant professor from the Department of Physics and the Lewis-Sigler Institute for Integrative Genomics at Princeton University, along with Mingzhai Sun, a postdoctoral associate at ...
Cell & Microbiology
Jun 13, 2011
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(PhysOrg.com) -- Molecular "motors" are at the root of most biological movement. They propel cell components, whole cells, and even our muscles on command. Barbara Imperiali and a team from the Massachusetts Institute of ...
Biochemistry
May 10, 2011
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(PhysOrg.com) -- When unfolding a tent for the first time, you may wonder how the huge tarpaulin fits into a bag the size of a football. Biologists wonder about something similar: when a cell divides, the surface area of ...
Bio & Medicine
Mar 11, 2011
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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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(PhysOrg.com) -- When a cell is preparing to grow or replicate, it starts the way a monarch planning to expand his territory might: by identifying and marshaling the necessary resources, loading them onto the appropriate ...
Cell & Microbiology
Jan 24, 2011
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Mutant presenilin is infamous for its role in the most aggressive form of Alzheimer's disease -- early-onset familial Alzheimer's -- which can strike people as early as their 30s. In their latest study, researchers at the ...
Cell & Microbiology
Jan 18, 2011
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By tracking the flow of information in a cell preparing to split, Johns Hopkins scientists have identified a protein mechanism that coordinates and regulates the dynamics of shape change necessary for division of a single ...
Cell & Microbiology
Nov 5, 2010
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A new study by Rice University bioengineers finds that the workhorse proteins that move cargo inside living cells behave like prima donnas. The protein, called kinesin, is a two-legged molecular machine. Rice's scientists ...
Biochemistry
Nov 5, 2010
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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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