IN 1962, when David R. Davies was in his 30s, he and two coworkers at the National Institutes of Health proposed that short, guanine-rich stretches of DNA could assume unusual structures. On the basis ...
A team of investigators at Carnegie Mellon University has formed the first hybrid quadruplex of peptide nucleic acids, or PNAs, with DNA, the genetic code. This result opens new opportunities to study ...
Like the aglets at the end of your shoelaces, protein-and-DNA assemblies known as telomeres protect the ends of your chromosomes from fraying. In work with potential implications for the development ...
DNA, the genetic material compacted in chromosomes, stores information to regulate all the cell processes in the body. Two decades ago, in addition to the widely known Watson-Crick double helix model ...
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