The ability of embryonic stem cells to differentiate into different types of cells with different functions is regulated and maintained by a complex series of chemical interactions, which are not well understood. Learning ...
Cell & Microbiology
Oct 26, 2012
0
0
Sea cucumbers and sea urchins are able to change the elasticity of collagen within their bodies, and could hold the key to maintaining a youthful appearance, according to scientists at Queen Mary, University of London.
Biotechnology
Oct 1, 2012
3
0
A University of British Columbia geophysicist is part of a NASA mission that is analyzing the first sets of data being collected by MESSENGER as it orbits Mercury. The spacecraft is capturing new evidence that challenges ...
Space Exploration
Sep 30, 2011
5
0
(PhysOrg.com) -- To find our way, we use maps. Cells use "chemical maps" to find the way: they orient themselves by following concentration gradients of attractants or repellants. David H. Gracias and a team at Johns Hopkins ...
Biochemistry
Mar 7, 2011
0
0
Over the past decade, research in the field of epigenetics has revealed that chemically modified bases are abundant components of the human genome and has forced us to abandon the notion we've had since high school genetics ...
Cell & Microbiology
May 17, 2012
4
0
Protection against nerve gas attack is a significant component of the defense system of many countries around the world. Nerve gases are used by armies and terrorist organizations, and constitute a threat to both the military ...
Biochemistry
Jan 24, 2011
7
0
A team of plant geneticists at Cold Spring Harbor Laboratory (CSHL) has identified a protein receptor on stem cells involved in plant development that can issue different instructions about how to grow depending on what peptide ...
Biotechnology
Mar 22, 2018
0
128
A University of Minnesota-led research team has proposed a mechanism for the control of whether embryonic stem cells continue to proliferate and stay stem cells, or differentiate into adult cells like brain, liver or skin.
Cell & Microbiology
Feb 6, 2012
0
0
(Phys.org)—Diatoms (unicellular photosynthetic organisms) reproduce through asexual cell division alternating with short periods of sexual reproduction. A German and Belgian team has now determined that pheromones play ...
Biochemistry
Dec 14, 2012
0
0
Math-based computer models are a powerful tool for discovering the details of complex living systems. John Tyson, professor of biology at Virginia Tech, is creating such models to discover how cells process information and ...
Other
Feb 21, 2010
0
0
