trpE E. coli Strains

Michel Werner werner at JONAS.SACLAY.CEA.FR
Mon Mar 27 05:33:24 EST 1995

Dear netters,

I would like to rescue from yeast transformants having a LEU2 and a TRP1
plasmid the latter one. I am thus looking for an E. coli strain that would
allow the selection of the TRP1 marker. I have been told that trpE- strain
should be OK for that purpose. Unfortunately the only such strain I found is
endA+ recA+. Would any of you have endA- recA- strains.


Michel Werner.

Service de Biochimie et Genetique Moleculaire (SBGM)
Batiment 142
Centre d'Etudes de Saclay
F-91191 Gif-sur-Yvette CEDEX

Tel: 33-1-69 08 93 42
FAX: 33-1-69 08 47 12
e-mail: werner at

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