Secrets of drug resistance in bacteria
...er membrane of Escherichia coli cells. It works in unison with two other proteins to rid the bacteria of toxins. Based on earlier research, they knew AcrB boasts a large cavity capable of binding with a vast range of antibiotics and other molecules. But precisely how this cavity accommodates so many shapes ...MelTec GmbH announces new technology for High-Throughput Topological Analysis of human cells
... by either migrating as single cells, or acting in unison forming dense lymphoid tissue. For example, lymphocyte invasion of the artery wall is an early event in the pathogenesis of arteriosclerosis. According to the study, the NCDS is capable of detecting and monitoring at least 85% of the cells involved ...Neuronal choir hums in unison to rivet brain's attention
...ed room of people talking, a few voices singing in unison will quickly drown out the noise. NIMH scientists have discovered that the brain uses a similar principle to enable its neurons engaged in critically important tasks to win out over neurons essentially processing distractions. In the February 23, ...Pollen record from Chilean lakes indicates global "togetherness" during last ice age
...tude climate in the Southern Hemisphere changed in unison with the North Atlantic region. We are continuing to verify that pattern with an ongoing study in New Zealand, said Lowell....Brain cell 'chorus' appears as attention increases
...ter layer of the brain, may be sending messages in unison to allow them to pay attention to a single stream ...An increase in the number of nerve cells firing in unison could represent just such an independent, but related, second signal. Hsiao and Johnson had data fro...Researchers find structure of enzyme that catalyzes 78-million-year reaction
... body at similar rates and must act pretty much in unison for organisms to survive, he said. What differs from one enzyme to another is that some have much harder jobs than others. "This one has the hardest job we know about -- changing a reaction that takes a good fraction of the lifetime of the Earth to ...