News tagged with protein transport

Researchers discover energy supply for protein secretion

In order to interact with the environment, bacteria secrete a whole arsenal of proteins. Researchers have now found how one of the transportation systems used for this purpose – the type VI secretion system – works ...

Chemistry / Biochemistry

created May 10, 2012 | popularity not rated yet | comments 0

Mini cargo transporters on a rat run: New insight on molecular motor movement

Kinesins assume a vital function in our cells: The tiny cargo transporters move important substances along lengthy protein fibers and ensure an effective transportation infrastructure. Biophysicists of the ...

Biology / Cell & Microbiology

created Apr 26, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Defect in transport system causes DNA chaos in red blood cells

Within all our cells lies two meters of DNA, highly ordered in a structure of less than 10 micro meters in diameter. Special proteins called histones act as small building bricks, organising our DNA in this structure. Preservation ...

Biology / Cell & Microbiology

created Mar 12, 2012 | popularity 5 / 5 (1) | comments 0

Structural and functional secrets of a zinc transporter protein with a role in human disease

Up to one-tenth of the proteins encoded in the human genome incorporate zinc, making this element indispensable to biological function. Indeed, most organisms employ a host of specialized transporter proteins ...

Chemistry / Biochemistry

created Feb 24, 2012 | popularity 5 / 5 (2) | comments 0

Big, bad bacterium is an 'iron pirate'

(PhysOrg.com) -- Life inside the human body sometimes looks like life on the high seas in the 1600s, when pirates hijacked foreign vessels in search of precious metals.

Biology / Cell & Microbiology

created Feb 21, 2012 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

No entry without protein recycling: Researchers discover new coherence in enzyme transport

The group of Prof. Dr. Ralf Erdmann at the Ruhr-Universität Bochum, Germany, discovered a connection of peroxisomal protein import and receptor export. In the Journal of Biological Chemistry, they disclo ...

Chemistry / Biochemistry

created Feb 10, 2012 | popularity not rated yet | comments 0

Blossom end rot: Transport protein identified

Poor calcium distribution in agricultural crops causes substantial loss of income every year. Now a Korean-Swiss research team under the co-leadership of plant physiologists at the University of Zurich identified ...

Biology / Biotechnology

created Nov 23, 2011 | popularity 5 / 5 (1) | comments 1

Research team discovers new conducting properties of bacteria-produced wires

The discovery of a fundamental, previously unknown property of microbial nanowires in the bacterium Geobacter sulfurreducens that allows electron transport across long distances could revolutionize nanotechnology ...

Nanotechnology / Nanophysics

created Aug 07, 2011 | popularity 4.6 / 5 (9) | comments 4 | with audio podcast

Shuttle service in cells: Scientists find new components for protein transport

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 te ...

Chemistry / Biochemistry

created Jul 25, 2011 | popularity not rated yet | comments 0

A flash of insight: Chemist uses lasers to see proteins at work

Binghamton University researcher Christof Grewer thinks he has an important brain transport protein – glutamate transporter – figured out. And he's using a novel approach to spy on them by taking ...

Chemistry / Analytical Chemistry

created Jul 05, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Mimicking nature at the nanoscale: Selective transport across a biomimetic nanopore

Researchers at Delft University of Technology and the University of Basel have established a biomimetic nanopore that provides a unique test and measurement platform for the way that proteins move into a cell's nucleus. In ...

Nanotechnology / Bio & Medicine

created Jun 20, 2011 | popularity not rated yet | comments 0

Researchers find new 'molecular motors' that bacteria use to transport proteins

(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 ...

Biology / Cell & Microbiology

created Jun 13, 2011 | popularity not rated yet | comments 2 | with audio podcast

How microbes take out the trash

(PhysOrg.com) -- The molecular machinery bacteria use to rid themselves of toxic substances including antimicrobial drugs has been studied in detail by a UA-led team of researchers. A better understanding ...

Biology / Cell & Microbiology

created May 10, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Low levels of brain protein may lead to Alzheimer's

In Alzheimer’s disease, short, toxic amyloid beta peptides build up inside the brain, erasing memories, altering behavior, and ultimately destroying lives.

Medicine & Health / Neuroscience

created Feb 15, 2011 | popularity 2.5 / 5 (2) | comments 0

Blame the 'chaperone'

A Jackson Laboratory research team led by Professor Patsy Nishina, Ph.D., has identified a mutation in a gene that's essential for correct protein-processing in cells. Defects in protein folding are associated with a variety ...

Chemistry / Biochemistry

created Jan 07, 2011 | popularity not rated yet | comments 0