Using a rapid one-step method, circular DNA has been isolated from a strain of E. coli harbouring the R-factor R-1 and shown to contain at least two separate classes of covalently closed molecules.

Formyl-methionyl-tRNA is bound to ribosomes by single stranded circular DNA of the phage fd. Addition of neomycin B to this complex permits direct translation of this DNA into protein, which ...

Precision BioSciences has gained the approval of its clinical trial application (CTA) in Hong Kong to study PBGENE-HBV, a ...