Selected Biological Properties of Enterotoxigenic Staphylococci Isolated from Milk

Abbar, F. M.; Mohammed, Muthanna J.; Arslain, S. H.

doi:10.4315/0362-028x-49.11.871

Cited by 10 publications

(3 citation statements)

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“…The percentage of enterotoxigenic by HAjek (19) and and Gutidrrez et al (18) and in goats by De CPS isolated in this study was considerably higher than that Buyser et al (8) and Harvey and Gilmour (23), which seems reported for S. aureus strains isolated in different animals to suggest that staphylococcal strains isolated from sheep species (2,15,20,25,36,43) and higher than that reported and goats produce mainly SEC. The other enterotoxins for S. aureus strains in infected cow's milk (1,16,22,26,35), produced occurred in low percentages, especially SED, but it was similar to that reported by Hajek (19) and which was only synthesized by one strain of S. caprae in Gutierrez et al (18) for S. aureus strains isolated from combination with SEE (Table 2). infected sheep's milk.…”

Section: Resultssupporting

confidence: 85%

Enterotoxin production by staphylococci isolated from healthy goats

Valle

Gómez-Lucı́a

Píriz

et al. 1990

Appl Environ Microbiol

119

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The ability of 342 staphylococcal isolates from different anatomical sites in healthy goats to produce staphylococcal enterotoxins (SE) was investigated. SE were produced by 74.3% of the 70 coagulase-positive strains and by 22% of the coagulase-negative strains studied. Most enterotoxigenic strains were isolated from the skin of udders and teats and from milk. SEC was the SE type most frequently produced, either alone (67.9%) or in combination with others. Five coagulase-negative species not previously reported as SE producers were identified (Staphylococcus chromogenes, S. warneri, S. sciuri, S. saprophyticus, and S. lentus). SEA, SEB, and SEC were detected in the milk of 17 of the 133 healthy goats studied. These results suggest that the goat is an important reservoir of enterotoxigenic staphylococci, most of which produce SEC.

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Section: Resultssupporting

confidence: 85%

Enterotoxin production by staphylococci isolated from healthy goats

Valle

Gómez-Lucı́a

Píriz

et al. 1990

Appl Environ Microbiol

119

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“…In studies of 50 strains of bovine origin for production of SEA-C and SEE from Nigeria, Adekeye (1980) found 12% positive, but it is not stated whether these strains are from milk. In studies of mastitis strains in Spain, Orden et al (1992), Garcia et al (1980) and Abbar et al (1986) found 19% (A-E), 7% (A-D) and 13% (A-D) positive strains, respectively, among 26, 57 and 45 strains investigated. In closer agreement with the present study were the studies by Lopes et al (1990) in Brazil and Harvey & Gilmour (1985) in Northern Ireland.…”

Section: Lack Of Staphylococcal Enterotoxin Production Among Strains mentioning

confidence: 94%

“…Indeed, S. aureus is the most common cause of bovine mastitis worldwide, and if mastitis strains produce SE this makes up an enormous reservoir of potential enterotoxin producers. The production of SE by S. aureus isolated from bovine mastitis have been investigated in several countries (Matsunaga et al 1993, Kenny et al 1993, Olson et al 1970, Orden et al 1992, Olsvik et al 1981, Adekeye 1980, Garcia et al 1980, Abbar 1986, Harvey & Gilmour 1985. Since no studies have been performed on the prevalence of enterotoxigenic strains of S. aureus isolated from bovine mastitis in Denmark, a well characterized collection of S. aureus (Aarestrup et al 1995) was investigated with respect to this property.…”

Section: Lack Of Staphylococcal Enterotoxin Production Among Strains mentioning

confidence: 99%

Lack of Staphylococcal Enterotoxin Production among Strains of Staphylococcus aureus from Bovine Mastitis in Denmark

Aarestrup¹,

Andersen²,

Jensen³

1995

Acta Vet Scand

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Outbreak of staphylococcal food intoxication after consumption of pasteurized milk products, June 2007, Austria

Schmid

Fretz

Winter

et al. 2009

Wien Klin Wochenschr

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On June 13, 2007, the public health authority informed the Austrian Agency for Health and Food Safety about 40 children from two neighboring elementary schools who had fallen ill with abdominal cramps and vomiting on June 8. School milk products consumed on June 8 were suspected as the source of the outbreak. On June 8, the milk products provided by local dairy X to eight elementary schools and two nurseries. The short incubation period - all cases fell ill on the day on which the products were consumed - and the short duration of illness (1-2 days) strongly suggested intoxication. In order to identify the causative pathogen, its reservoir and the mode of transmission, a descriptive-epidemiological and microbiological investigation and a retrospective cohort study were conducted. Six of the 10 institutions served by dairy X completed questionnaires on demographics and food consumption. One school had a 79% response rate (203/258) and was chosen as the basis for our cohort study. A total of 166 of the 1025 children (16.2%) at the 10 institutions fulfilled the case definition. Consumption of milk, cacao milk or vanilla milk originating from dairy X was associated with a 37.8 times higher risk of becoming a case (95% CI: 2.3-116.5). Unopened milk products left over at the affected institutions yielded staphylococcal enterotoxins A and D. Six out of 64 quarter milk samples from three of 16 cows producing milk for dairy X tested positive for S. aureus. The isolates produced enterotoxins A and D, yielded genes encoding enterotoxins and D, and showed spa type t2953. S. aureus isolated from the nasal swab of the dairy owner harbored genes encoding enterotoxins C, G, H and I, and showed spa type t635. Our investigation revealed that the milk products produced in dairy X on June 7 were the source of the outbreak on June 8. The cows - not the dairy owner - the likely reservoir of the enterotoxin-producing S. aureus. From the risk assessment of the production process at the dairy, we hypothesize that staphylococcal toxin production took place during a 3-day period of storage of pasteurized milk prior to repasteurization for the production batch of 7.

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Selected Biological Properties of Enterotoxigenic Staphylococci Isolated from Milk

Cited by 10 publications

References 0 publications

Enterotoxin production by staphylococci isolated from healthy goats

Enterotoxin production by staphylococci isolated from healthy goats

Lack of Staphylococcal Enterotoxin Production among Strains of Staphylococcus aureus from Bovine Mastitis in Denmark

Outbreak of staphylococcal food intoxication after consumption of pasteurized milk products, June 2007, Austria

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