Affiliation:
1. Department of Biotechnology, Technical University of Denmark, Lyngby.
Abstract
Two high-nuclease-yielding mutants of Serratia marcescens, derived by chemical mutagenesis (W280, W355), and two strains with the pBR322 plasmid 403-SD2, carrying a nuclease gene and a chloramphenicol resistance gene [Escherichia coli CSH50(403-SD2) and S. marcescens CH30(403-SD2)] were investigated for nuclease production in a factorial shake flask experiment, with temperature (30 and 37 degrees C), pH (with or without CaCO3 tablets), and aeration (with or without baffles) as variable conditions. Yields varied 10-fold depending on the conditions investigated.
Publisher
American Society for Microbiology
Subject
Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology
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