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Relevant bibliographies by topics / Enterotoxin production

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Academic literature on the topic 'Enterotoxin production'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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Journal articles on the topic "Enterotoxin production"

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LOPES, HELENA RODRIGUES, ALBA LUCIA SOLINO NOLETO, MARC DIAZ de LAS HERAS, and MERLIN S. BERGDOLL. "Selective Enterotoxin Production in Foods by Staphylococcus aureus Strains That Produce More Than One Enterotoxin." Journal of Food Protection 56, no. 6 (1993): 538–40. http://dx.doi.org/10.4315/0362-028x-56.6.538.

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Staphylococcus aureus strain S-6, producer of enterotoxins A and B; strain FRI-913, producer of enterotoxins A, C, and E; and strain FRI-196E, producer of enterotoxins A and D, were grown in milk (pH 6.8), potato salad with mayonnaise, and boiled egg white (pH 8.0–8.5). Enterotoxins were detectable in milk incubated at 26°C when colony counts were less than 106. Enterotoxin production by strain S-6 was detectable in potato salad at 106 CFU at both 26 and 37°C. Enterotoxin A production by strain FRI-913 was detectable at approximately 106 CFU/g, whereas enterotoxin C was detectable only when gr

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KIM, JUNG-BEOM, JAI-MOUNG KIM, SO-YEONG KIM, et al. "Comparison of Enterotoxin Production and Phenotypic Characteristics between Emetic and Enterotoxic Bacillus cereus." Journal of Food Protection 73, no. 7 (2010): 1219–24. http://dx.doi.org/10.4315/0362-028x-73.7.1219.

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Bacillus cereus was divided into emetic toxin (cereulide)– and enterotoxin-producing strains, but emetic toxin–producing B. cereus is difficult to detect immunochemically. Screening methods for emetic toxin–producing B. cereus are needed. The objectives of this study were to identify and detect emetic toxin–producing B. cereus among 160 B. cereus strains, and to compare enterotoxin production and phenotypic characteristics between the emetic toxin–producing and enterotoxin-producing strains. Forty emetic toxin–producing B. cereus strains were determined with high-pressure liquid chromatography

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CENCI-GOGA, B. T., M. KARAMA, P. V. ROSSITTO, R. A. MORGANTE, and J. S. CULLOR. "Enterotoxin Production by Staphylococcus aureus Isolated from Mastitic Cows." Journal of Food Protection 66, no. 9 (2003): 1693–96. http://dx.doi.org/10.4315/0362-028x-66.9.1693.

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Staphylococcus aureus is an important cause of mastitis in cows. The ability of S. aureus strains to produce one or more enterotoxins in milk and dairy products is linked to staphylococcal food poisoning. To determine whether staphylococci causing bovine mastitis could cause human foodborne intoxication, the production of staphylococcal enterotoxins A through D (SEA, SEB, SEC, and SED) by 160 S. aureus isolates was evaluated with the use of a reverse passive latex agglutination enterotoxin kit. All S. aureus strains were isolated over a 9-month period from 2,343 routine submissions of a compos

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Necidová, Lenka, Šárka Bursová, Alena Skočková, et al. "Growth and enterotoxin production of Bacillus cereus in cow, goat, and sheep milk." Acta Veterinaria Brno 83, no. 10 (2014): S3—S8. http://dx.doi.org/10.2754/avb201483s10s3.

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The aim of this study was to compare Bacillus cereus growth rates and diarrhoeal enterotoxin production in raw and pasteurized goat, sheep, and cow milk in terms of storage conditions. Milk samples were inoculated with B. cereus (CCM 2010), which produces diarrhoeal enterotoxins. Enterotoxin production was tested by ELISA (Enzyme-Linked Immunosorbent Assay), and the count of B. cereus was determined by the plate method. With raw cow milk, B. cereus growth and enterotoxin production can be completely suppressed; in raw goat and sheep milk, enterotoxin was produced at 22 °C. In pasteurized cow,

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SCHUBERT, JUSTYNA, SYLWIA KRAKOWIAK, and JACEK BANIA. "Production of staphylococcal enterotoxins in food." Medycyna Weterynaryjna 74, no. 1 (2018): 16–22. http://dx.doi.org/10.21521/mw.5837.

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Staphylococcal food poisoning results from ingestion of food contaminated with toxins produced by enterotoxigenic Staphylococcus aureus strains. Common symptoms of this intoxication include vomiting, diarrhea, and abdominal cramps. Staphylococcal enterotoxins are resistant to heat and a number of environmental factors. Certain cheeses, milk powder, and whey powder are the only foodstuffs that are being routinely examined for the presence of staphylococcal enterotoxins SEA-SEE. The newly identified enterotoxins are not included in the current examination scheme. Enterotoxin-producing staphyloco

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Beckers, H. J., F. M. van Leusden, and P. D. Tips. "Growth and enterotoxin production ofStaphylococcus aureusin shrimp." Journal of Hygiene 95, no. 3 (1985): 685–93. http://dx.doi.org/10.1017/s0022172400060794.

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SUMMARYStrains ofStaphylococcus aureusisolated from shrimp were examined for phage pattern and enterotoxin production; 63% of the strains isolated from North Sea shrimp were typable with the International and additional set of phages, as were 38% of the strains isolated from South-East Asian shrimp. Staphylococcal enterotoxin(s) (SE) were produced by 48% and 35% of strains isolated from North Sea and South-East Asian shrimp respectively. Growth and enterotoxin production byS. aureusin shrimp was examined in storage experiments at 22 °C.S. aureusincreased by 1–2 log units in 24 h when the organ

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Grispoldi, Luca, Paul Alexanderu Popescu, Musafiri Karama, et al. "Study on the Growth and Enterotoxin Production by Staphylococcus aureus in Canned Meat before Retorting." Toxins 11, no. 5 (2019): 291. http://dx.doi.org/10.3390/toxins11050291.

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Possible contamination by Staphylococcus aureus of the production environment and of the meat of a canned meat production factory was analysed. A total of 108 samples were taken from nine critical control points, 13 of them were positive for S. aureus. None of the isolates produced enterotoxins. To determine how much time can elapse between can seaming and sterilisation in the autoclave without any risk of enterotoxin production by S. aureus, the growth and enterotoxin production of three enterotoxin A producing strains of S. aureus (one ATCC strain and two field strains) in canned meat before

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VERNOZY-ROZAND, CHRISTINE, ANNIE MEYRAND, CHRISTINE MAZUY, et al. "Behaviour and enterotoxin production by Staphylococcus aureus during the manufacture and ripening of raw goats' milk lactic cheeses." Journal of Dairy Research 65, no. 2 (1998): 273–81. http://dx.doi.org/10.1017/s0022029997002781.

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To study the possible presence of staphylococcal enterotoxin A in raw goats' milk lactic cheese, milk was inoculated with an enterotoxigenic Staphylococcus aureus strain to a final concentration of 4, 5 and 6 log(cfu/ml). Cheese was prepared following industrial specifications and ripened for 42 d. Detection of the enterotoxins was by the Vidas Staph enterotoxin test (BioMérieux) and by an indirect double-sandwich ELISA technique using anti-enterotoxin monoclonal antibodies. Staphylococcal counts declined markedly after draining, and by the end of ripening they had disappeared from some cheese

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BRYANT, RAYMOND G., JOSEPHINE JARVIS, and GERRY GUIBERT. "Selective Enterotoxin Production by a Staphylococcus aureus Strain Implicated in a Foodborne Outbreak." Journal of Food Protection 51, no. 2 (1988): 130–31. http://dx.doi.org/10.4315/0362-028x-51.2.130.

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More than 80 of 230 participants (&gt;34.7%) at a literary conference became ill with acute gastroenteritis 3 to 14 h after a catered meal. Attack rate data implicated cheese tortellini as the suspect food (p=0.0087). Selective plating of partially prepared and finished tortellini produced Staphylcoccus aureus counts of 6.0 × 107 and 1.0 × 106 CFU per gram, respectively. Enterotoxin, phage typing, antibiotic sensitivity testing, and other biotyping studies were applied to S. aureus isolates from the suspect food and the single food-handler involved. All isolates reacted identically by all

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GARCÍA, SANTOS, MIRNA ARAIZA, MARIVEL GÓMEZ, and NORMA HEREDIA. "Inhibition of Growth, Enterotoxin Production, and Spore Formation of Clostridium perfringens by Extracts of Medicinal Plants." Journal of Food Protection 65, no. 10 (2002): 1667–69. http://dx.doi.org/10.4315/0362-028x-65.10.1667.

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The extracts of 14 plants used in the traditional medicine of Mexico were evaluated for their effects on the growth, spore formation, and enterotoxin production of Clostridium perfringens type A. The extracts of Psidium guajava L., Haemotoxylon brasiletto, and Euphobia prostata were the most effective inhibitors of growth, spore formation, and enterotoxin production. No enterotoxins were detected when extracts were added to the media at less than the MIC for growth.

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Dissertations / Theses on the topic "Enterotoxin production"

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Anderson, Amy Kristin. "Staphylococcal enterotoxin enhancement of inflammatory and regulatory cytokine production and humoral responses." [Gainesville, Fla.] : University of Florida, 2003. http://purl.fcla.edu/fcla/etd/UFE0001154.

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Abdesselam, Kahina. "Pathogenesis of 'Cronobacter' Species: Enterotoxin Production, Adhesion and Invasion of the Blood Brain Barrier." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23167.

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Cronobacter species cause serious infections such as meningitis and enteritis in newborns and neonates, with the major vehicle being contaminated powdered infant formula. The main objectives of this study were i) to identify potential virulence factors, such as enterotoxin production; ii) characterize the gene(s) involved in adhesion and invasion of the human brain microvascular endothelial cells (HBMEC); and iii) determine whether strains from clinical, food, and environmental sources differ in their ability to produce surface-attached bacterial aggregates, known as biofilms. Random transposo

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Reid, Lynnda Louise 1949. "Use of staphylococcal enterotoxin A-induced interleukin 2 production as an indicator of immunotoxicity." Thesis, The University of Arizona, 1990. http://hdl.handle.net/10150/278371.

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An in vitro assay measuring IL-2 production as an index of compromised immune function was developed using primary splenocytes from female C57BL/6 mice pretreated with olive oil, 30 mg/kg Cyclosporin A, or 220-880 mg/kg benzene. Splenocytes were mitogen-stimulated to produce IL-2 with SEA, Con A or PHA. Benzene induced inhibition of IL-2 production was demonstrated by incubating the splenocyte culture supernatant fraction with an IL-2 dependent T-lymphocytic cell line. Cell proliferation was measured by blastogenesis and MTT reduction as an index of IL-2 mediated response. Benzene and cyclospo

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Hrušková, Vendula. "Staphylococcus aureus v potravinách: Identifikace a produkce enterotoxinu v mléce a sýrech." Doctoral thesis, Vysoké učení technické v Brně. Fakulta chemická, 2012. http://www.nusl.cz/ntk/nusl-233361.

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Onemocnění z potravin (alimentární onemocnění) vyvolaná bakteriemi jsou stále aktuálním tématem v celosvětovém měřítku. Abychom zajistili výrobu zdravotně nezávadných potravin, je potřeba nových poznatků o virulenci patogenů, které by doplnily již známé skutečnosti o jejich růstu a přeživání v potravinách. Také potřebujeme vyvíjet rychlé a citlivé metody na detekci těchto patogenů. Dizertační práce popisuje metodu na detekci S. aureus v potravinách, která je založená na PCR v reálném čase ve spojení s namnožením v selektivním médium. Dále pojednává o vlivu environmentálních faktorů na růst S.

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Laird, Brian. "The development of a reporter system for Bacillus cereus to establish the environmental conditions needed for production of Bacillus cereus enterotoxin T (bceT)." Thesis, University of Strathclyde, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.502310.

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Bacillus cereus is primarily a soil-dwelling bacterium, however it is also pathogenic bacterium, which is implicated in many food poisoning outbreaks throughout the world. It is responsible for both non-gastrointestinal and gastrointestinal infection with the former leading to many working days lost. Two types of infection exist, the emetic Infection and the diarrhoeal infection. The emetic infection is caused by a heat stable protein, which causes vomiting and stomach cramps. The diarrhoeal infection is caused by several different toxins including haemolysin BL (HBL), non-haemolytic enterotox

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Lina, Gérard. "Recherche de la production d'enterotoxines chez une souche de staphylococcus epidermidis associee a un choc septique." Lyon 1, 1994. http://www.theses.fr/1994LYO1M036.

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Karlsson, Sture. "Toxin production in Clostridium difficile /." Stockholm : Karolinska institutet, 2004. http://diss.kib.ki.se/2004/91-77349-812-2/.

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Forestier, Christiane. "Facteurs de virulence d'escherichia coli isoles de selles diarrheiques : mise en evidence et caracterisation d'une adhesine non filamenteuse." Clermont-Ferrand 2, 1987. http://www.theses.fr/1987CLF21047.

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Rodrigues, Juliana Falcão. "Diversidade genética do óperon etx em amostras de Escherichia coli enterotoxigênica (ETEC): determinação da variabilidade das seqüências gênicas e capacidade de síntese da toxina termo-lábil (LT)." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/42/42132/tde-28102009-105651/.

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Linhagens de Escherichia coli enterotoxigênica (ETEC) são consideradas como importante agente de diarréia, principalmente entre crianças e turistas em países em desenvolvimento. Entre os fatores de virulência expressos por ETEC, as enterotoxinas termo-lábil (LT) e termo-estável (ST) representam os mais relevantes fenótipos. Evidências preliminares sugerem que a severidade da diarréia associada a linhagens de ETEC deve refletir a diversidade natural de linhagens selvagens quanto à produção de enterotoxinas e/ou à ocorrência de variantes naturais com efeitos tóxicos reduzidos. No presente trabal

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Chang, Pei-Yu, and 張珮瑜. "The growth and enterotoxin A production of enterotoxigenic■■■." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/30044587270983078027.

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Books on the topic "Enterotoxin production"

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Huang, Wentian. Effects of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) on Staphylococcal Enterotoxin B(SEB)-induced alterations in T-cell activation and cytokine production. 1997.

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Huang, Wentian. Effects of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) on Staphylococcal Enterotoxin B(SEB)-induced alterations in T-cell activation and cytokine production. 1997.

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Book chapters on the topic "Enterotoxin production"

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Hennekinne, J. A., Y. Le Loir, and A. Delacroix-Buchet. "26. Staphylococcal enterotoxin production and detection in cheese." In Human Health Handbooks. Wageningen Academic Publishers, 2013. http://dx.doi.org/10.3920/978-90-8686-766-0_26.

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Picken, R. N., A. J. Mazaitis, R. Maas, and W. K. Maas. "Increased Production of Heat-Labile Enterotoxin as a Result of TN3 Insertion into a Chimeric R/ENT Plasmid." In Bacterial Diarrheal Diseases. Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-4990-4_20.

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Melville, Stephen B., Renée E. Collie, and Bruce A. McClane. "Regulation of Enterotoxin Production in Clostridium perfringens." In The Clostridia. Elsevier, 1997. http://dx.doi.org/10.1016/b978-012595020-6/50029-2.

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McDonel, James L., and Bruce A. McClane. "[15] Production, purification, and assay of Clostridium perfringens enterotoxin." In Microbial Toxins: Tools in Enzymology. Elsevier, 1988. http://dx.doi.org/10.1016/s0076-6879(88)65018-x.

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Medvedova, Alžbeta, Adriana Havlíková, and Lubomír Valík. "Staphylococcus aureus Enterotoxin Production in Relation to Environmental Factors." In The Rise of Virulence and Antibiotic Resistance in Staphylococcus aureus. InTech, 2017. http://dx.doi.org/10.5772/66736.

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Marks, Daniel, and Marcus Harbord. "Gastroenteritis." In Emergencies in Gastroenterology and Hepatology. Oxford University Press, 2013. http://dx.doi.org/10.1093/med/9780199231362.003.0006.

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Community-acquired gastroenteritis Specific pathogens Clostridium difficile-associated diarrhoea Travellers’ diarrhoea Parasitic infections Potential pitfalls Acute diarrhoea and vomiting are most frequently infectious in origin. In immunocompetent individuals, illness is typically self-limiting, with no intervention required beyond oral rehydration. If symptoms persist beyond 14d, they are classified as persistent, and often non-infectious or parasitic. Diarrhoea may be generated through osmotic, secretory or inflammatory mechanisms, or by increased motility. Infectious agents can elicit disease through any of these by mucosal adherence and invasion, or enterotoxin production....

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De Ley, Marl, Jozef Van Damme, and Alfons Billiau. "[13] Production and partial purification of human immune interferon induced with concanavalin A, staphylococcal enterotoxin A, and OK-432." In Methods in Enzymology. Elsevier, 1986. http://dx.doi.org/10.1016/0076-6879(86)19015-x.

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Conference papers on the topic "Enterotoxin production"

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Foley, JP, BJ Bolognese, E. Long, M. Salmon, and PL Podolin. "Ozone and Staphylococcal Enterotoxin B Exposure Induces Emphysema and Mucus Production That Is Dependent upon Cathepsin C Expression." In American Thoracic Society 2009 International Conference, May 15-20, 2009 • San Diego, California. American Thoracic Society, 2009. http://dx.doi.org/10.1164/ajrccm-conference.2009.179.1_meetingabstracts.a2218.

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