DONOR
HT-99
Step 1
Plasmid DNA
unwound and
replicated
Sex pilus
PLASMID
conferring resistance
to chloramphenicol
RECIPIENT
J-53R
Step 3
Complementary DNA
synthesised, forming a
new plasmid
Bacterial
chromosome
Step 2
Single-stranded DNA
passes into recipient cell
through pilus
CHROMOSOME
conferring resistance
to rifampicin
COPYRIGHT © DEAN MADDEN, 2009
Bacterial
conjugation