The gut is lined by cells containing brush borders, which are composed of arrays of microvillar protrusions that help in nutrient absorption and provide a barrier against pathogens and toxins. Microbes such as E. coli can ...
Cell & Microbiology
Sep 24, 2018
0
4
The proteins in our bodies are sophisticated structures that perform specific jobs to keep us functioning and healthy. In many cases, these tiny machines are switched on or off through a two-step process where one part of ...
Biochemistry
Jul 10, 2018
0
9
Cellular functions rely on several communications networks that allow cells to respond to signals affecting the organism. A new study published in Molecular Cell has revealed a mechanism that shuts down a major cell-to-cell ...
Cell & Microbiology
Jul 10, 2018
0
33
Arguably, the greatest fueler of life on our planet is photosynthesis, but understanding its labyrinthine chemistry, powered by sunlight, is challenging. Researchers recently illuminated some new steps inside the molecular ...
Biotechnology
Jun 11, 2018
0
461
Scientists have been searching for it for decades: the enzyme that cuts the amino acid tyrosine off an important part of the cell's skeleton. Researchers of the Netherlands Cancer Institute have now identified this mystery ...
Cell & Microbiology
Nov 17, 2017
0
163
Researchers investigating ways to deliver high doses of cancer-killing drugs inside tumors have shown they can use a laser and light-activated gold nanoparticles to remotely trigger the release of approved cancer drugs inside ...
Bio & Medicine
Nov 8, 2017
0
157
The color red is splashed across gardens, forests and farms, attracting pollinators with bright hues, signaling ripe fruit and delighting vegetable and flower gardeners alike.
Evolution
Oct 10, 2017
0
23
Color in the plant kingdom is not merely a joy to the eye. Colored pigments attract pollinating insects, they protect plants against disease, and they confer health benefits and are used in the food and drug industries. A ...
Biotechnology
Aug 15, 2017
0
493
As you bite into your next peanut butter and jelly sandwich, chew on this: The peanut you're eating has a secret.
Biochemistry
Jul 3, 2017
0
125
Because plants can't get up and run away, they've had to be clever instead. They are the chemists of the living world, producing hundreds of thousands of small molecules that they use as sunscreens, to poison plant eaters, ...
Biochemistry
Jun 26, 2017
2
615
