Hi,
I am trying to delete genes in Streptococcus mutans using PCR ligation mutagenesis following published primers of the target gene locus and Spectinomycin cassette. The study used pDL278 plasmid to amplify the spectin,omycin resistance gene, but I got pDL277 plasmid from a collaborator, however I don't have the sequence of the plasmid. Does anyone know if the spectinomycin cassette is the same in both pDL277 and pDL278 plasmids?
Thanks.