News tagged with protein signaling

Tracing water channels in cell surface receptors

G protein-coupled receptors (GPCRs) are the largest class of cell surface receptors in our cells, involved in signal transmission across the cell membrane. One of the biggest questions is how a signal recognized at the extracellular ...

Sep 09, 2014
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An "anchor" that keeps proteins together

All organisms react to different external and internal stimuli: if, for example, the hyphae fungus Sordaria macrospora is supplied with food, it produces fruiting bodies as part of its oestrous cycle. To ...

Sep 04, 2014
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New discovery in living cell signaling

A breakthrough discovery into how living cells process and respond to chemical information could help advance the development of treatments for a large number of cancers and other cellular disorders that ...

Jul 03, 2014
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Detour leads to antibiotic resistance

Ludwig Maximilian University researchers have used cryo-electron microscopic imaging to characterize the structural alterations in the bacterial ribosome that are required for induction of resistance to the ...

Mar 28, 2014
3 / 5 (1) 0

Detecting tumor markers easily

Blood is just teeming with proteins. It's not easy there to identify specialized tumor markers indicating the presence of cancer. A new method now enables diagnostics to be carried out in a single step. Scientists ...

Mar 19, 2014
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Unraveling bacterial behavior

Bacteria encounter a constant barrage of ever-changing temperature, acidity and chemical stimuli from their environment. The cells must absorb all of this information and choose the correct response—whether boosting their ...

Jul 18, 2013
4 / 5 (2) 0 | with audio podcast

Breakthrough: Sensors monitor cells at work

Transport proteins are responsible for moving materials such as nutrients and metabolic products through a cell's outer membrane, which seals and protects all living cells, to the cell's interior. These transported molecules ...

Jul 02, 2013
5 / 5 (1) 0 | with audio podcast