In biology, we often think of natural selection and survival of the fittest. What about survival of the luckiest? Like pioneers in search of a better life, bacteria on a surface wander around and often organize into highly ...
Cell & Microbiology
May 8, 2013
0
0
Neutrophils, critical components of the immune system's response to bacteria and other pathogens, throw out tube-like tethers that act as anchor points, controlling their speed as they roll along the walls of blood vessels ...
Cell & Microbiology
Dec 17, 2012
0
0
A new high-throughput screening technique developed by researchers at the RIKEN Plant Science Center (PSC) has been used to uncover five novel immune-priming compounds in Arabidopsis plants. Discovery of the compounds, which ...
Biotechnology
Sep 11, 2012
0
1
Scientists have discovered that poxviruses, which are responsible for smallpox and other diseases, can adapt to defeat different host antiviral defenses by quickly and temporarily producing multiple copies of a gene that ...
Cell & Microbiology
Aug 16, 2012
0
0
Like a shredder, the immunoproteasome cuts down proteins into peptides that are subsequently presented on the cellular surface. The immune system can distinguish between self and nonself peptides and selectively kills cells ...
Biochemistry
Feb 16, 2012
0
0
Important new information on one of the most critical protein machines in living cells has been reported by a team of researchers with the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and ...
Biochemistry
Jan 11, 2012
0
0
As the "recycling plant" of the cell, the proteasome regulates vitally important functions. When it is inhibited, the cell chokes on its own waste. Cancer cells, in particular, are very sensitive because they need the proteasome ...
Biochemistry
Nov 22, 2011
0
0
Bacteria responsible for middle ear infections, pink eye and sinusitis protect themselves from further immune attack by transporting molecules meant to destroy them away from their inner membrane target, according to a study ...
Cell & Microbiology
Nov 17, 2011
0
0
When it comes to plants' innate immunity, like many of the dances of life, it takes two to tango. A receptor molecule in the plant pairs up with a specific molecule on the invading bacteria and, presto, the immune system ...
Cell & Microbiology
Nov 5, 2009
1
1
(PhysOrg.com) -- Researchers from Uppsala University and the Karolinska Institute have found major genetic differences between the human variants of the intestinal parasite Giardia intestinalis. Sequencing of the genomes ...
Cell & Microbiology
Aug 21, 2009
0
0
