Verotoxin producing <i>Escherichia coli</i> O 157 infections associated with the consumption of yoghurt

Morgan, D. R.; Newman, C; Hutchinson, D. N.; Walker, Amanda; Rowe, B.; Majid, F.

doi:10.1017/s0950268800056880

Cited by 276 publications

(162 citation statements)

References 12 publications

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“…With vegetables and fruit, very often there is no intervention step that will provide elimination of infectious pathogens, if they are present. The nonmeat vehicles implicated in disease caused by EHEC, include cheese (Deschenes et al 1996), milk (Upton and Coia 1994), yoghurt (Morgan et al 1993), lettuce (Ackers et al 1998, raw potatoes (Morgan et al 1988), apple juice , radish sprouts (Watanabe et al 1999), alfalfa sprouts, cooked maize (Isaacson et al 1993) and mayonnaise (Weagant et al 1994). Parsley butter contaminated with verotoxigenic Citrobacter freundii has also been associated with severe gastroenteritis and cases of haemolytic uraemic symdrome (Tschape et al 1995).…”

Section: Vehicles Implicated In Foodborne Diseasementioning

confidence: 99%

Survival of Escherichia coli in foods

McClure

Hall

2000

Journal of Applied Microbiology

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SUMMARY Studies describing the survival of Escherichia coli in foods, more often than not use the O157:H7 serovar as the target organism. Whilst E. coli O157:H7 is undoubtedly the predominant agent of concern for foodborne disease caused by enterohaemorrhagic E. coli (EHEC), a consequence of this concern is the commonly held view that this one serovar is ‘atypical’ in its response to stress conditions and therefore better able to survive adverse environments. Many of the studies published do not make comparisons with other E. coli (either commensal organisms or other pathogenic types) or other members of the Enterobacteriaceae, that would justify this view. Nevertheless, there has been a great deal of valuable data and information generated describing the fate of E. coli O157:H7 in a range of foods stored under various conditions. In many respects, the results of these studies are not surprising considering the survivability of other closely related pathogens, such as Shigella spp. This ability to survive in foods for long periods of time confirms the need for reliable control measures where contamination is possible or likely, e.g. proper handling and thorough cooking of beefburgers. The factors that may influence survival in different foods are described, with the intention of providing an insight in this area of food safety. Key considerations for carrying out survival studies are identified, with particular reference to methodologies used.

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Section: Vehicles Implicated In Foodborne Diseasementioning

confidence: 99%

Survival of Escherichia coli in foods

McClure

Hall

2000

Journal of Applied Microbiology

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“…Bovine milk and other dairy products such as yogurt and cheese have been associated with diseases caused by STEC (Chapman et al, 1993;Prandel et al, 2008;Martin & Beutin, 2011). Outbreaks of milk-borne diseases associated with STEC, including pasteurized dairy products, have been reported worldwide emphasizing the importance of STEC control for public health (Morgan et al, 1993;Upton & Coia, 1994;Seghal et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

Molecular screening of bovine raw milk for the presence of Shiga toxin-producing Escherichia coli (STEC) on dairy farms

Vendramin¹,

Kich²,

Molina³

et al. 2014

Food Sci. Technol (Campinas)

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“…These infections occur in all parts of the world including Middle East countries (Lerman et al, 1992;Adwan et al, 2002). Identified human infections were traced to eating undercooked beef (Chapman et al, 1993;Morgan et al, 1993;Bell et al, 1994), drinking contaminated water (Dev et al, 1991;Swerdlow et al, 1992;Danon-Schaffer, 2001), and, sporadically, to a direct contact with infected animals (Rice et al, 1996;Trevena et al, 1996;Chalmers et al, 1997;Chapman et al, 2000).…”

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confidence: 99%

Isolation and characterization Shiga toxin-producing Escherichia coli from sheep and goats inJordanwith evidence of multiresistant serotype O157:H7

Novotná¹,

Alexa²,

Hamrik³

et al. 2005

Vet. Med. - Czech

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Ninety-three rectal swabs of lambs and young goats from two extensively and two intensively managed herds in Jordan were taken and examined for Shiga toxin-producing Escherichia coli (STEC). The bacteriological examination included the preenrichment of rectal swabs in EC broth with novobiocin, and a subsequent parallel isolation on enterohemolysin agar and immunomagnetic separation with cultivation on CT-SMAC. The STEC O157:H7 strains were demonstrated in 8 of 32 diarrheic lambs 1-to 3-weeks old in one sheep herd with intensive milk production. In the remaining three herds, serogroups O128, O78, O15 and serotype O128:K85 of STEC strains were the most frequent findings. The presence of stx2, ehlyA and eaeA genes in all STEC O157:H7 isolates was confirmed by PCR. In two untypable STEC isolates, stx2 and ehlyA genes were detected. In other STEC non-O157 isolates, only stx1 a ehlyA genes were found. All STEC O157:H7 isolates were resistant against sulphonamides and chloramphenicol, five were also resistant against ampicillin and streptomycin, one against co-trimoxazole. One isolate was resistant against ampicillin, ampicillin-sulbactam, cephalosporins (cefazolin, cefuroxime), monobactams (aztreonam), sulphonamides, co-trimoxazole, aminoglycosides, tetracycline and chloramphenicol. Compared the resistant STEC O157:H7 isolates, the multiresistant isolate had a different RAPD pattern. Of 36 STEC non-O157 isolates, one isolate was resistant against sulphonamides and co-trimoxazole, and another one against ampicillin, streptomycin, sulphonamides and co-trimoxazole. STEC isolates resistant against antimicrobial agents were demonstrated only in herds with intensive management.

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Verotoxin producing Escherichia coli O 157 infections associated with the consumption of yoghurt

Cited by 276 publications

References 12 publications

Survival of Escherichia coli in foods

Survival of Escherichia coli in foods

Molecular screening of bovine raw milk for the presence of Shiga toxin-producing Escherichia coli (STEC) on dairy farms

Isolation and characterization Shiga toxin-producing Escherichia coli from sheep and goats inJordanwith evidence of multiresistant serotype O157:H7

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