Transduction of Enteric Escherichia coli Isolates with a Derivative of Shiga Toxin 2-Encoding Bacteriophage φ3538 Isolated from Escherichia coli O157:H7

H Schmidt, M Bielaszewska… - Applied and environmental …, 1999 - Am Soc Microbiol
We investigated the ability of a detoxified derivative of a Shiga toxin 2 (Stx2)-encoding
bacteriophage to infect and lysogenize enteric Escherichia coli strains and to develop …

Free S higa toxin 1‐encoding bacteriophages are less prevalent than S higa toxin 2 phages in extraintestinal environments

F Grau‐Leal, P Quirós… - Environmental …, 2015 - Wiley Online Library
S tx bacteriophages are involved in the pathogenicity of S tx‐producing E scherichia coli.
Induction of the S tx phage lytic cycle increases S tx expression and releases S tx phages …

Quantification of Shiga toxin 2‐encoding bacteriophages, by real‐time PCR and correlation with phage infectivity

L Imamovic, R Serra‐Moreno, J Jofre… - Journal of applied …, 2010 - academic.oup.com
Aims: To evaluate a qPCR‐based protocol for the enumeration of Shiga toxin (Stx) 2 phages
and to compare the results of qPCR with the number of infective Stx phage particles …

Genome analysis of a novel Shiga toxin 1 (Stx1)-converting phage which is closely related to Stx2-converting phages but not to other Stx1-converting phages

T Sato, T Shimizu, M Watarai, M Kobayashi… - Journal of …, 2003 - Am Soc Microbiol
Two Stx-converting phages, designated Stx1φ and Stx2φ-II, were isolated from an
Escherichia coli O157: H7 strain, Morioka V526, and their entire nucleotide sequences were …

[HTML][HTML] Genes essential for the morphogenesis of the Shiga toxin 2-transducing phage from Escherichia coli O157:H7

SI Mondal, MR Islam, A Sawaguchi, M Asadulghani… - Scientific reports, 2016 - nature.com
Abstract Shiga toxin 2 (Stx2), one of the most important virulence factors of
enterohaemorrhagic Escherichia coli (EHEC), is encoded by phages. These phages (Stx2 …

Occurrence of Escherichia coli O157:H7 and Other Enterohemorrhagic Escherichia coli in the Environment

M Muniesa, J Jofre, C García-Aljaro… - … science & technology, 2006 - ACS Publications
Enterohemorrhagic Escherichia coli (EHEC)(O157 and other serotypes) are zoonotic
pathogens linked with severe human illnesses. The main virulence factors of EHEC are the …

Quantification and evaluation of infectivity of shiga toxin-encoding bacteriophages in beef and salad

L Imamovic, M Muniesa - Applied and environmental microbiology, 2011 - Am Soc Microbiol
Stx bacteriophages in 68 samples of beef and salad were quantified by real-time
quantitative PCR (qPCR). Stx phages from the samples were propagated in Escherichia coli …

Structural Analysis of Phage-Borne stx Genes and Their Flanking Sequences in Shiga Toxin-Producing Escherichia coli and Shigella dysenteriae Type 1 Strains

A Unkmeir, H Schmidt - Infection and immunity, 2000 - Am Soc Microbiol
The stx-flanking regions of 49 Shiga toxin-producing Escherichia coli strains and nine
Shigella dysenteriae serotype 1 strains containing either stx, stx 1, stx 2, or stx 2 variant …

[HTML][HTML] Comparative genomics of Shiga toxin encoding bacteriophages

DL Smith, DJ Rooks, PCM Fogg, AC Darby… - BMC genomics, 2012 - Springer
Background Stx bacteriophages are responsible for driving the dissemination of Stx toxin
genes (stx) across their bacterial host range. Lysogens carrying Stx phages can cause …

Mosaic structure of Shiga-toxin-2-encoding phages isolated from Escherichia coli O157:H7 indicates frequent gene exchange between lambdoid phage genomes

BK Johansen, Y Wasteson, PE Granum… - …, 2001 - microbiologyresearch.org
Shiga-toxin-2 (stx 2)-encoding bacteriophages were isolated from Norwegian Escherichia
coli O157: H7 isolates of cattle and human origin. The phages were characterized by …