2018
DOI: 10.1016/j.micpath.2018.07.011
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First report of the distribution of Locus of Adhesion and Autoaggregation (LAA) pathogenicity island in LEE-negative Shiga toxin-producing Escherichia coli isolates from Argentina

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Cited by 25 publications
(32 citation statements)
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“…However, the mosaic structure of LAA PAI was not understood at the time, and these GIs represent complete and incomplete LAA PAI variants (i.e., comprising less or all of the four modules) belonging to two major lineages (Montero et al, 2017). In agreement with PAI I CL3 investigations (Girardeau et al, 2009;Hauser et al, 2013), the LAA PAI appeared to be exclusively present in aEHEC in the first instance and could thus complement the absence of the LEE PAI (Colello et al, 2018(Colello et al, , 2019.…”
Section: Laa Paimentioning
confidence: 99%
“…However, the mosaic structure of LAA PAI was not understood at the time, and these GIs represent complete and incomplete LAA PAI variants (i.e., comprising less or all of the four modules) belonging to two major lineages (Montero et al, 2017). In agreement with PAI I CL3 investigations (Girardeau et al, 2009;Hauser et al, 2013), the LAA PAI appeared to be exclusively present in aEHEC in the first instance and could thus complement the absence of the LEE PAI (Colello et al, 2018(Colello et al, , 2019.…”
Section: Laa Paimentioning
confidence: 99%
“…Genes estA (ETEC thermo stable toxin), ehxA (pO157 marker), toxB (pO157 marker), katP (pO157 marker), espP (pO157 marker), iha (OI-48) efa-1 (OI-122 marker), nleB (OI-122 marker), nleE (OI-122 marker), sen (OI-122 marker), pagC (OI-122 marker), etpD (pO157 marker), cdt-V (cytolethal distending toxin -V), astA (EAST-1 toxin) subAB (pO113 marker), saa (pO113 marker), sab (STEC pO113 marker) and hes (pO113 marker) were searched by conventional PCR, while genes Z2098 (OI-57 marker), Z2099 (OI-57 marker), Z2121 (OI-57 marker), espK (OI-50 marker), ureD (OI-43/48 marker), espM1 (OI-71 marker), espN (OI-50 marker), terE (chromosomal gene associated with tellurite resistance) and espV (OI-44 marker) were investigated by real-time PCR. Primers and probes employed in these assays were as previously described [29,[35][36][37][38][39][40][41][42].…”
Section: Determination Of Virulence Genesmentioning
confidence: 99%
“…It is noteworthy that an aggregative or peripherical phenotype was previously described in some Brazilian studies (Cerqueira et al ; Silva et al ; Matheus‐Guimarães et al ; Gonzalez et al ). LAA is present in LEE‐negative STEC strains of clinical relevance, such as some isolated from HC or HUS cases, associated with serotypes O91:H21, O174:H21 and some O113:H21 (Montero et al ), and serogroups from animal origin, such as O91, O174, O113, O171, O178 and O130 (Colello et al ).…”
Section: Virulence Of Stec Isolated From Animalmentioning
confidence: 99%