PSI broth

[Wolfgang Schechinger]

Hi all, 

what's the reason for using MgSO4 (instead of sodium 
chloride as in LB) in PSI broth? Is it esential for making 
competent cells?

Wo 
[tiss mezzage wahs broduceRd using TYPO GENERATOR zoffwer]
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Dr. Wolfgang Schechinger
Lab N233 (c/o Dr. Steve Roffler)
Institute of Biomedical Sciences
Academia Sinica
128 Yen-Chio Yuan Rd. Sec.2
Taipei 115
Taiwan R.O.C.
Tel +886-2-2789-9152
Fax +886-2-2782-9142
Mobile +886-925-136893
e mail wolfsc at ibms dot sinica dot edu dot tw
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