Copper in small quantities is an essential nutrient but can also be toxic. Human immune cells use copper to fight invading pathogens. Some microorganisms, in turn, have evolved ways to take up copper and incorporate it into ...
Cell & Microbiology
Nov 23, 2021
0
249
When humans see their children about to eat something they oughtn't, we can simply tell them, "Don't eat that. It'll make you sick." Those who listen to this advice are spared the painful experience of learning that lesson ...
Plants & Animals
Sep 10, 2020
0
537
Scientists at the UNC School of Medicine have found that a bacterium can become much more or less susceptible to an antibiotic depending on the specific bacterial community in its midst.
Cell & Microbiology
Dec 5, 2017
0
84
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
Columbia University biologists have revealed a mechanism by which bacterial cells in crowded, oxygen-deprived environments access oxygen for energy production, ensuring survival of the cell. The finding could explain how ...
Cell & Microbiology
Nov 21, 2017
0
117
Bacteria are best known as free-living single cells, but in reality their lives are much more complex. To survive in harsh environments, many species of bacteria will band together and form a biofilm—a collection of cells ...
Cell & Microbiology
Aug 24, 2015
0
66
Yan-Yeung Luk, associate professor of chemistry, and his research team have published their findings in ChemBioChem, explaining how they have created molecules that mimic and dominate toxic ones secreted by bacteria. The ...
Biochemistry
Nov 13, 2015
1
947
Researchers report in the journal Nature that they have found a way to get antibacterial drugs through the nearly impenetrable outer membrane of Pseudomonas aeruginosa, a bacterium that—once it infects a person—is notoriously ...
Cell & Microbiology
Nov 22, 2023
0
15
Whether growing in a puddle of dirty water or inside the human body, large groups of bacteria must coordinate their behavior to perform essential tasks that they would not be able to carry out individually. Bacteria achieve ...
Cell & Microbiology
Aug 21, 2017
0
119
If you've got plenty of burgers and beers on hand and your own stomach is full, an uninvited guest at your neighborhood barbecue won't put much strain on you.
Cell & Microbiology
Aug 10, 2017
0
81
