the effect of various metabolic inhibitors ( carbonylcyanid-m-chlorophenylhydrazone , nigericin , valinomycin , dicyclocarbodiimide , arsenate , naf , etc . ) and lipid-soluble synthetic ions ( tetraphenylphosphonium bromide and tetraphenylboron sodium ) on deoxyribonucleic acid ( dna ) entry during transformation of ca2+-treated escherichia coli cells with plasmid dna and on cell viability was investigated .
C0007634
cells
C0007620
cell viability