At different times during the life cycle of a cell, the DNA that makes up the cell's chromosomes can be tightly compacted into a structure that is visible under a microscope, or it can be more ...

This study shows that “one can use a very simple imaging device such as the mobile phone to record DNA sequencing reactions,” said coauthor Mats Nilsson of Stockholm University in Sweden. The ...

Some histones function as spools for the thread-like DNA to wrap around. Under the microscope in its extended form, chromatin looks like beads on a string. The beads are called nucleosomes.

For 14 years, Gutierrez has tried to get DNA testing of crime scene items to prove his innocence, but Texas’ strict rules for post-conviction testing have stymied his effort. Texas law allows ...

They require CTF18-RFC in humans and Ctf18-RFC in yeast to thread a ring-shaped ... that they can begin replicating DNA. Using high-powered cryo-electron microscopes, Li, O'Donnell and their ...