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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Resolution of Escherichia coli O157:H7 that contaminated radish sprouts in two outbreaks by two-dimensional gel electrophoresis.

Two-dimensional gel electrophoresis (2-DE) was performed to examine exoproteins and periplasmic proteins of Shiga toxin-producing Escherichia coli (STEC) O157:H7 strains isolated from cases associated with radish sprouts in two outbreaks. We found that STEC O157:H7 released a large number of proteins into the medium during the stationary phase of growth, as observed with 2-DE. Although pulsed-field gel electrophoresis (PFGE) patterns of STECs NGY9 (RIMD0509894), a Sakai isolate; NGY33, a Gamagoori isolate; and NGY120, a Kanagawa isolate, were all the same, comparison of 2-DE patterns of exoproteins and periplasmic proteins clarified that NGY9 was distinct from NGY33, whereas NGY33 and NGY120 were of close lineage. We therefore suggest that 2-DE analysis of exoproteins and periplasmic proteins is a powerful epidemiological method with high resolution.[1]

References

  1. Resolution of Escherichia coli O157:H7 that contaminated radish sprouts in two outbreaks by two-dimensional gel electrophoresis. Yokoyama, K., Iinuma, Y., Kawano, Y., Nakano, M., Kawagishi, M., Yamashino, T., Hasegawa, T., Ohta, M. Curr. Microbiol. (2001) [Pubmed]
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