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  • 1
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    Shiga-like toxin-converting phages from Escherichia coli strains that cause hemorrhagic colitis or infantile diarrhea (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-11-09
    Description: Escherichia coli K-12 acquired the ability to produce a high titer of Shiga-like toxin after lysogenization by either of two different bacteriophages isolated from a highly toxinogenic Escherichia coli O157:H7 strain that causes hemorrhagic colitis. One of these phages and another Shiga-like toxin-converting phage from an Escherichia coli O26 isolate associated with infantile diarrhea were closely related in terms of morphology, virion polypeptides, DNA restriction fragments, lysogenic immunity, and heat stability, although a difference in host range was noted. These phages are currently the best-characterized representatives from a broader family of Shiga-like toxin-converting phages.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'Brien, A D -- Newland, J W -- Miller, S F -- Holmes, R K -- Smith, H W -- Formal, S B -- AI20148-01/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1984 Nov 9;226(4675):694-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6387911" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacterial Toxins/*metabolism ; Bacteriophages/*metabolism ; Colitis, Ulcerative/*microbiology ; DNA, Viral/metabolism ; Diarrhea, Infantile/*microbiology ; Escherichia coli/*metabolism ; Humans ; Rabbits ; Shiga Toxins
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Cloning of Shiga-like toxin structural genes from a toxin converting phage of Escherichia coli (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-10-11
    Description: The genes controlling high-level production of Shiga-like toxin (SLT) in Escherichia coli were cloned from the SLT converting phage 933J. This phage was isolated from a strain of E. coli that caused a foodborne outbreak of hemorrhagic colitis. The genes that convert normal E. coli to organisms producing high levels of toxin were cloned into the plasmid pBR328 and expressed in E. coli HB101. DNA restriction mapping, subcloning, examination of the cloned gene products by minicell analysis, neutralization, and immunoprecipitation with antibodies to SLT were used to localize the toxin converting genes and identify them as structural genes for SLT. Southern hybridization studies established that the DNA fragment carrying the cloned toxin structural genes had homology with the DNA of Shigella.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Newland, J W -- Strockbine, N A -- Miller, S F -- O'Brien, A D -- Holmes, R K -- New York, N.Y. -- Science. 1985 Oct 11;230(4722):179-81.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2994228" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacterial Toxins/*genetics/immunology ; Cloning, Molecular ; Coliphages/*genetics ; DNA Restriction Enzymes ; DNA, Bacterial/genetics ; DNA, Viral/genetics ; Escherichia coli/metabolism ; *Genes, Viral ; HeLa Cells/metabolism ; Humans ; Immune Sera/immunology ; Plasmids ; Rabbits/immunology ; Shiga Toxins ; Shigella/genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
    Location Call Number Expected Availability
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