Ecoli origin

D=Piket%buro%preklin at D=Piket%buro%preklin at
Thu Sep 15 04:07:23 EST 1994

I am searching for an E coli origin which has been
 mutated to thermosensitivity.
If you know of a plasmid or a strain which harbours
such an origin (pBR322 based), please mail:
ptj.willemsen.omb.acta at

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