The cell membrane, which contains a hydrophilic exterior and a hydrophobic interior, opens and closes ion channels like a water faucet and converts a physicochemical stimulus into an electrical signal that is then transmitted ...
Biotechnology
May 18, 2022
0
43
Whether it's making rash decisions or feeling grumpy, hunger can make us think and act differently—"hangry," even. But little is known about how hunger signals in the gut communicate with the brain to change behavior. Now, ...
Molecular & Computational biology
May 5, 2022
0
51
The inclusion of a high-flavonoid corn, developed by a Penn State maize geneticist, in the diet of broiler chickens reduced the incidence and severity of a fatal intestinal disorder known as necrotic enteritis.
Plants & Animals
Apr 21, 2022
0
18
"We have been interested in the romantic life of the parasite Cryptosporidium for some time," says Boris Striepen, a scientist in Penn's School of Veterinary Medicine.
Cell & Microbiology
Apr 15, 2022
1
186
In Central and South America, predatory blood-sucking bugs transmit the causative agent of the widely prevalent Chagas disease. As the disease can induce severe symptoms and to date there is no vaccine against the Trypanosoma ...
Ecology
Mar 21, 2022
0
40
In humans and animals, catecholamines such as epinephrine, norepinephrine, and dopamine are common stress hormones. Stress can increase the body's susceptibility to bacterial infections. In the laboratory, stress hormones ...
Cell & Microbiology
Mar 7, 2022
0
45
New research published today in the Journal of Archeaological Science Reports reveals how archeologists can determine when a pot was used by Romans as a portable toilet, known as a chamber pot.
Archaeology
Feb 10, 2022
0
974
Shigella, a bacterial pathogen that causes dysentery and is the leading cause of childhood diarrheal diseases, inserts a pore called a translocon into an infected person's intestinal cells and then injects bacterial proteins ...
Cell & Microbiology
Nov 23, 2021
0
13
Rarely does a tool become more useful when it's broken, but that's just the case with C-glycoside, a molecule found in many plants, foods, and medicines. To be used by the body, C-glycosides must be broken down. Researchers ...
Cell & Microbiology
Nov 17, 2021
0
81
Scientists studying probiotics, beneficial bacteria that show promise for their ability to treat inflammatory bowel disease and other intestinal disorders, continue to face a problem: How to keep probiotics from getting obliterated ...
Biotechnology
Oct 14, 2021
0
107
