Escherichia coli Induces DNA Double-Strand Breaks in Eukaryotic Cells
Top Cited Papers
- 11 August 2006
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 313 (5788), 848-851
- https://doi.org/10.1126/science.1127059
Abstract
Transient infection of eukaryotic cells with commensal and extraintestinal pathogenic Escherichia coli of phylogenetic group B2 blocks mitosis and induces megalocytosis. This trait is linked to a widely spread genomic island that encodes giant modular nonribosomal peptide and polyketide synthases. Contact with E. coli expressing this gene cluster causes DNA double-strand breaks and activation of the DNA damage checkpoint pathway, leading to cell cycle arrest and eventually to cell death. Discovery of hybrid peptide-polyketide genotoxins in E. coli will change our view on pathogenesis and commensalism and open new biotechnological applications.Keywords
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