Horizontal gene transfer of ftsI, encoding penicillin-binding protein 3, in Haemophilus influenzae.
A nomenclature for restriction enzymes, DNA methyltransferases, homing endonucleases and their genes.
Overproduction and purification of the M.HhaII methyltransferase from Haemophilus haemolyticus.
The nucleotide sequence of the HhaII restriction and modification genes from Haemophilus haemolyticus.