Abstract
Polyclonal antibodies were produced against the highly purified enzymes
L-hydantoinase, hydantoin-racemase and L-N-carbamoylamino acid
amidohydrolase of Arthrobacter aurescens DSM 3747. Using these
antibodies as screening tools, a colony transfer procedure allowed the
rapid detection of highly active strains. Furthermore, common
Western-blot analysis enabled the direct estimation of internal enzyme
concentrations, protein turnover, efficiency of different inducers and a
molecular comparison of enzymes derived from different sources. Using
this method it is demonstrated that of several tested microorganisms,
two Arthrobacter strains showed improved production abilities.
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