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Continuous-flow enrichment of a strain ofErwinia carotovora having specificity for highly methylated pectin

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Abstract

A pectinolytic bacterium was isolated from a mixed microbial population by means of a chemostat enrichment procedure. The bacterium, which was identified asErwinia carotovora, grew only on highly methylated pectin and produced a pectin lysase which released unsaturated monomer and dimer from 71% esterified citrus pectin. The pectin lyase was inducible only by pectins having a high methyl content and in pectin-limited chemostats its synthesis passed through a maximum at a dilution rate close to 0.04h-1.

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Almengor-Hecht, M.L., Bull, A.T. Continuous-flow enrichment of a strain ofErwinia carotovora having specificity for highly methylated pectin. Arch. Microbiol. 119, 163–166 (1978). https://doi.org/10.1007/BF00964268

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