Catabolite repression of different inducible enzymes in Escherichia coli and the effect of cAMP
Jazyk angličtina Země Spojené státy americké Médium print
Typ dokumentu časopisecké články
PubMed
6269972
DOI
10.1007/bf02927249
Knihovny.cz E-zdroje
- MeSH
- AMP cyklický farmakologie MeSH
- beta-galaktosidasa metabolismus MeSH
- enzymová indukce MeSH
- enzymová represe účinky léků MeSH
- Escherichia coli účinky léků enzymologie metabolismus MeSH
- glukonáty metabolismus MeSH
- glukosa metabolismus MeSH
- glycerol metabolismus MeSH
- L-serindehydratasa metabolismus MeSH
- malátdehydrogenasa metabolismus MeSH
- tryptofanasa metabolismus MeSH
- Publikační typ
- časopisecké články MeSH
- Názvy látek
- AMP cyklický MeSH
- beta-galaktosidasa MeSH
- gluconic acid MeSH Prohlížeč
- glukonáty MeSH
- glukosa MeSH
- glycerol MeSH
- L-serindehydratasa MeSH
- malátdehydrogenasa MeSH
- tryptofanasa MeSH
Simultaneous induction of two enzymes sensitive to catabolite repression does not lead to an additive decrease of the specific activity of the two. Exogenously added cAMP increases the specific activity of catabolically repressed enzymes, irrespective of whether the enzyme is induced separately or simultaneously with another enzyme. In the presence of 12 different substrates metabolized by inducible enzymes glucose does not bring about catabolite repression. Synthesis of cAMP is identical with that occurring under conditions when glucose brings about catabolite repression.
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