Molecular cloning of the extracellular endodextranase of Streptococcus salivarius.

Abstract

We report the cloning in Escherichia coli of the gene encoding an extracellular endodextranase (alpha-1,6-glucanhydrolase, EC 3.2.1.11) from Streptococcus salivarius PC-1. Recombinants from a S. salivarius PC-1-Lambda ZAP II genomic library specifying dextranase activity were identified as plaques surrounded by zones of clearing on blue dextran agar. One… (More)

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