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Updated: Apr 26, 2026

Characterization of a Pathogenic Escherichia coli Strain Derived from Oreochromis spp. Farms Using Whole-Genome Sequencing
Published on: December 23, 2022
Complete genome sequence of the gram-negative probiotic Escherichia coli strain Nissle 1917
Marten Reister1, Klaus Hoffmeier1, Nicolas Krezdorn1
1GenXPro GmbH, Altenhoeferallee 3, 60438 Frankfurt/Main, Germany.
Abstract:
Escherichia coli strain Nissle 1917 (EcN) is the active principle of a probiotic preparation (trade name Mutaflor(®)) used for the treatment of patients with intestinal diseases such as ulcerative colitis and diarrhea. It has GRAS (generally recognized as save) status and has been shown to be a therapeutically effective drug (Sonnenborn and Schulze, 2009). The complete genomic DNA sequence will help in identifying genes and their products which are essential for the strains probiotic nature. Genbank/EMBL/DDBJ accession number: CP007799 (chromosome).
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