The crystal structure of pseudouridine synthase I from Escherichia coli, which, for example, modifies positions 38, 39 and/or 40 in tRNA, reveals a dimeric protein that contains two positively ...

“E. coli is a bug that we all have in our intestines,” explains Britain's leading expert on E. coli, the microbiologist Professor Hugh Pennington. “The vast majority of the hundreds of different ...

E. coli particularly thrives in raw meat, so it's really important to cook ground beef to 160 degrees Fahrenheit, as this ...

There is much more to the story, however, particularly with regard to chromosomal structure and organization. Supercoiling explains how chromosomes fit into a small corner of the cell, but how do ...