Science news articles about 'dna ends'

... occur, a protein called 53BP1 helps repair them by mobilizing their dangly DNA ends -- findings that uncover a previously unknown aspect of how double-stranded breaks can get fixed.

... snapshots we obtained of Mre11 binding to different DNA end-structures show how the Mre11 protein ... La Jolla using the advanced automation at the SIBYLS end station, whose robots and software can load ...

... amounts of exogenous genetic material, including DNA ends and unusual structures. Therefore, infected ... result indicated that HBV induces cellular DNA damage response dependent on ATR but escapes the ...

... key enzyme that stitches together broken DNA ends. The researchers then compared the resulting ... rays," McKinnon said. "Those agents induce the type of DNA damage that requires the MRN complex and ATM ...

... Mre11, Rad50 and NBS1 proteins, senses DNA damage, known as double-strand breaks, ... nuclease, an enzyme that modifies and processes the broken DNA ends. Research details The researchers generated ...

... the cell find and re-join the two exposed DNA ends. However, if another piece of ... is floating around, it effectively can be spliced into the broken DNA during repair, and replace the defective copy. ...