نتایج جستجو برای: staphylococcal enterotoxins

تعداد نتایج: 35587  

Journal: :Diagnostic microbiology and infectious disease 2014
GuoPing Lv BaoHong Xu PeiNan Wei Jie Song HongYing Zhang Chuan Zhao LiYun Qin BaoHua Zhao

Staphylococcus aureus is an opportunistic pathogen commonly identified from food poisoning-associated foodstuffs. From 1996 to the present, S. aureus isolates have been found to exhibit increasing resistance to antimicrobial drugs. The aim of this study was to assess the molecular epidemiology properties of various S. aureus isolates through molecular typing and to investigate their characteriz...

Journal: :Applied and environmental microbiology 1988
L Bautista P Gaya M Medina M Nuñez

Of 124 staphylococcal strains isolated from sheep milk, 78 produced enterotoxin A, B, C, or D when evaluated by an enzyme-linked immunosorbent assay. Enterotoxins A and D, elaborated by 44 and 43 strains, respectively, showed the highest incidence. Enterotoxin production by coagulase-negative strains (one Staphylococcus cohnii, three S. epidermidis, five S. haemolyticus, and four S. xylosus) wa...

Journal: :iranian journal of microbiology 0
yalda rahbar-saadat department of microbiology, faculty of basic and medical science, islamic azad university, zanjan branch, zanjan, iran. abbasali imani-fooladi applied microbiology research center, baqiyatallah university medical of sciences, tehran, iran. reza shapouri department of microbiology, faculty of basic and medical science, islamic azad university, zanjan branch, zanjan, iran. mirmohsen hosseini department of microbiology, faculty of basic and medical science, islamic azad university, zanjan branch, zanjan, iran. zahra deilami-khiabani department of microbiology, faculty of basic and medical science, islamic azad university, zanjan branch, zanjan, iran.

background and objectives: staphylococcal food poisoning is a gastrointestinal disease, which is caused by consumption of contaminated food with enterotoxins produced by staphylococcus aureus (ses). milk and its products are known sources of food borne diseases. this study was carried out to evaluate the prevalence of enterotoxigenic s. aureus strains in organic milk and cheese in tabriz - iran...

2017
Jenny Schelin Yusak Budi Susilo Sophia Johler

Staphylococcal food poisoning (SFP) is the most prevalent cause of food-borne intoxications worldwide. Consumption of enterotoxins preformed in food causes violent vomiting and can be fatal in children and the elderly. While being repressed by competing bacteria in most matrices, Staphylococcus aureus benefits from crucial competitive advantages in foods with high osmolarity or low pH. During r...

2016
Reyad R. Shawish Naser A. Al-Humam

Food-borne pathogens are of high concern for public health and food safety. Staphylococcus aureus food poisoning is one of the most ecoReyad R. Shawish Naser A. Al-Humam nomically devastating types of food poisoning globally. The purpose of this study was to detect staphylococcal classical enterotoxins (SEs) in processed beef from Kingdom of Saudi Arabia (KSA) and Egypt. 1 Department of Food Hy...

Journal: :Applied and environmental microbiology 2001
K Becker B Keller C von Eiff M Brück G Lubritz J Etienne G Peters

Staphylococcal food poisoning (SFP) caused by enterotoxigenic staphylococci is one of the main food-borne diseases. In contrast to Staphylococcus aureus, a systematic screening for the enterotoxins has not yet been performed on the genomic level for the coagulase-positive species S. intermedius. Therefore, the enterotoxigenic potential of 281 different veterinary (canine, n = 247; equine, n = 2...

2014
Jhalka Kadariya Tara C Smith Dipendra Thapaliya

Staphylococcal food-borne disease (SFD) is one of the most common food-borne diseases worldwide resulting from the contamination of food by preformed S. aureus enterotoxins. It is one of the most common causes of reported food-borne diseases in the United States. Although several Staphylococcal enterotoxins (SEs) have been identified, SEA, a highly heat-stable SE, is the most common cause of SF...

2013
Rogério Pezato Luciano Bottura Rodrigo de Paula Santos Richard Louis Voegels Andre Luis Lacerda Bachi Luis Carlos Gregório

UNLABELLED The superantigenic properties of Staphylococcus aureus have been implicated in increasing the inflammatory process in airway diseases. Local formation of IgE antibodies against staphylococcal enterotoxins by secondary lymphoid tissue in nasal polyps has been demonstrated. Staphylococcus aureus is known to colonize the nasal mucosa, and has been found invading the nasal submucosa and ...

Journal: :Infection and immunity 1999
D A Moulding C Walter C A Hart S W Edwards

Staphylococcal enterotoxins have marked effects on the properties of T cells and monocytes and have recently been reported to affect neutrophil function. In this study, we investigated the abilities of staphylococcal enterotoxins A and B and toxic shock syndrome toxin 1 to affect respiratory burst activity and to delay apoptosis in human neutrophils. When cultures containing approximately 97% n...

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