Reposted by Agnes Noy
Two DNA double helices were directly imaged zipping together for the first time, confirming a more than 20-year-old model. The pairing was precise, groove for groove, but some sequences formed stronger hotspots.
phys.org
Decades-old DNA mystery solved after strands are captured zipping together for the first time
Researchers have captured the moment two DNA molecules zip together, overcoming their identical negative charges to pair up and revealing a mechanism that has puzzled scientists for more than 20 years.