New research has shown that negative feedback loops in cell signalling systems can be essential for a cell's ability to perceive the strength of a growth stimulus. Cells lacking the feedback loop became insensitive to the ...
Cell & Microbiology
Jan 8, 2014
0
0
(Phys.org) —Purdue University researchers have confirmed the long-held hypothesis that sorghum deters insects from feeding on its leaves by releasing hydrogen cyanide.
Biotechnology
Dec 19, 2013
0
0
Mitochondria, the organelles that supply the cell with energy, are highly dynamic and can link up to form complex tubular networks. A new study shows that this response can transiently compensate for a shortfall in energy ...
Cell & Microbiology
Aug 13, 2013
0
0
Enzymes called protein kinases modulate cellular activities in virtually every organism. They switch other proteins off or on by tacking on phosphate chemical groups—a process known as phosphorylation—to regulate the ...
Cell & Microbiology
Aug 2, 2013
0
0
A mutant protein responsible for Hutchinson-Gilford Progeria syndrome (HGPS) bars large proteins from entering the nucleus, according to a study in The Journal of Cell Biology.
Cell & Microbiology
May 6, 2013
0
0
A strain of probiotic bacteria that can fight harmful bacterial infections in poultry has the ability to change its coat, according to new findings from the Institute of Food Research.
Cell & Microbiology
Mar 27, 2013
0
0
The notion that each gene can only codify for a single protein has been challenged for some years. Yet, the functional outcomes that may result from genes encoding more than one protein are still largely unknown.
Biotechnology
Mar 22, 2013
0
0
Normal development and function in multicellular organisms relies on tight control of cell growth, yet surprisingly little is known about how such control is achieved. Although some promoters of growth have been identified, ...
Biotechnology
Mar 15, 2013
0
0
Scientists at the Institute of Molecular Biology (IMB) in Mainz have identified a protein essential for initiating the development of male sex organs. Loss of the gene Gadd45g results in complete sex reversal of male mice, ...
Cell & Microbiology
Nov 27, 2012
0
0
Using a new technique called cryo-electron tomography, two research teams at Baylor College of Medicine have created a three-dimensional map that gives a better understanding of how the architecture of the rod sensory cilium ...
Cell & Microbiology
Nov 21, 2012
0
0
