freq of amber revertants in lambda ZAP?

John Dixon jpcd0 at
Thu Mar 23 09:07:15 EST 1995

Can anyone tell me at what frequency I should expect lambda ZAP (Sam 100)
to revert to the non-supF requiring form? That is how many spontaneous
revertants should I see when I plate lambda ZAP on a sup0 host, if I have
no sub-population of revertants in the stock?

Thanks, Johnny D

John Dixon                     Lab 44 (223) 334131
Wellcome/CRC Institute         Fax 44 (223) 334134
Dept Genetics
Cambridge University    
United Kingdom       e-m: jpcd0 at

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