The copy numbers of the expression plasmids (pRTF309+ and pMTC48), the repression plasmids (pc1857 and pRK248cI) and the protection plasmid (pEcoR4) in recombinant E. coli JM 103 were investigated. In the absence of the protection plasmid, the copy number of the expression plasmid dropped; in its pr
Influence of the medium composition and plasmid combination on the growth of recombinant Escherichia coli JM109 and on the production of the fusion protein EcoRI::SPA
✍ Scribed by Jong Il Rhee; Jens Bode; Juan C Diaz-Ricci; Daniel Poock; Beate Weigel; Gerlinde Kretzmer; Karl Schügerl
- Book ID
- 119524739
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 400 KB
- Volume
- 55
- Category
- Article
- ISSN
- 0168-1656
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The influence of the acetate addeed to the M9 minimal medium and to the Luria-Bertani medium without and with glucose supplement on the growth of recombinant Escherichia coli J 103 with three different types of multicopy plasmids and on the production of the fusion protein SpA :: EcoRI were investig
EcoRI fusion protein was produced by Escherichia coli JM103 carrying the multicopy expression plasmid pMTC48, the multicopy repressor plasmid pRK248, and the multicopy protection plasmid pEcoR4 in a 60-L working volume airlift tower loop reactor on M9 minimal medium with glucose. Cell mass concentra