see: Controlling EDTA treatment to produce permeable Escherichia coli
with normal metabolic processes, Leive,L. and Kollin, V., Biochemical and
Biophysical Research Communications Vol 28 No2 1967. It shows that EDTA
damage is dependent on a number of cofactors and incubationtime.
GERHARD.NEBE-VON-CARON at UNILEVER.COM
