aKmr, Apr, and Cmr indicate resistance to kanamycin, ampicillin, and chloramphenicol, respectively. bW stands for one of A or T, S stands for one of C or G, R stands for one of A or G, and N stands fo
An efficient technique has been developed for performing in vivo site-directed mutagenesis in Drosophila melanogaster. This procedure involves directed repair of P-element-induced DNA lesions after in
A Lys-84----Cys mutant staphylococcal nuclease was selectively linked to the 5' and/or 3' terminus of a thiol-containing polypyrimidine oligonucleotide via a disulfide bond. The oligonucleotide-staphy
