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
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
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
Man-made changes to the environment may be damaging the immune systems of a species of frog whose populations have drastically declined since the 1970s, according to a new study by researchers at Case Western Reserve University ...
Plants & Animals
Dec 16, 2015
3
40
What species is better at fighting an infection, a mouse or an elephant? Body size is one of the most noticeable differences among species, but relationships between immune defenses and body size have largely been unstudied.
Plants & Animals
Sep 25, 2019
0
56
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
In the animal kingdom, predators use a full range of strategies, such as camouflage, speed and optical illusions, to catch their prey. Meanwhile, prey species resort to the same tactics to escape from their predators. Such ...
Biotechnology
Jun 8, 2015
0
29
(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
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
(Phys.org) —In humans, a polymer called melanin determines skin, eye and hair color—the darker the skin, the more melanin in a person's body. For insects, melanin is a major aspect of their immune defense systems—their ...
Biochemistry
May 24, 2013
0
0
