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Статті в журналах з теми "Bacillus cereus group species"
McIntyre, Lorraine, Kathryn Bernard, Daniel Beniac, Judith L. Isaac-Renton, and David Craig Naseby. "Identification of Bacillus cereus Group Species Associated with Food Poisoning Outbreaks in British Columbia, Canada." Applied and Environmental Microbiology 74, no. 23 (October 10, 2008): 7451–53. http://dx.doi.org/10.1128/aem.01284-08.
Повний текст джерелаHelgason, Erlendur, Ole Andreas Økstad, Dominique A. Caugant, Henning A. Johansen, Agnes Fouet, Michéle Mock, Ida Hegna, and Anne-Brit Kolstø. "Bacillus anthracis, Bacillus cereus, and Bacillus thuringiensis—One Species on the Basis of Genetic Evidence." Applied and Environmental Microbiology 66, no. 6 (June 1, 2000): 2627–30. http://dx.doi.org/10.1128/aem.66.6.2627-2630.2000.
Повний текст джерелаVilas-Bôas, G. T., A. P. S. Peruca, and O. M. N. Arantes. "Biology and taxonomy ofBacillus cereus,Bacillus anthracis, andBacillus thuringiensis." Canadian Journal of Microbiology 53, no. 6 (June 2007): 673–87. http://dx.doi.org/10.1139/w07-029.
Повний текст джерелаDaffonchio, Daniele, Sara Borin, Giuseppe Frova, Romina Gallo, Elena Mori, Renato Fani, and Claudia Sorlini. "A Randomly Amplified Polymorphic DNA Marker Specific for the Bacillus cereus Group Is Diagnostic forBacillus anthracis." Applied and Environmental Microbiology 65, no. 3 (March 1, 1999): 1298–303. http://dx.doi.org/10.1128/aem.65.3.1298-1303.1999.
Повний текст джерелаHarmon, Stanley M., Donald A. Kautter, and Gayle Lancette. "Lipid Globule Staining to Aid in Differentiating Bacillus Species." Journal of AOAC INTERNATIONAL 74, no. 4 (July 1, 1991): 649–51. http://dx.doi.org/10.1093/jaoac/74.4.649.
Повний текст джерелаRahman, Md-Mafizur, Sang-Jin Lim, and Yung-Chul Park. "Molecular Identification of Bacillus Isolated from Korean Water Deer (Hydropotes inermis argyropus) and Striped Field Mouse (Apodemus agrarius) Feces by Using an SNP-Based 16S Ribosomal Marker." Animals 12, no. 8 (April 10, 2022): 979. http://dx.doi.org/10.3390/ani12080979.
Повний текст джерелаGuinebretière, Marie-Hélène, Sandrine Auger, Nathalie Galleron, Matthias Contzen, Benoit De Sarrau, Marie-Laure De Buyser, Gilles Lamberet, et al. "Bacillus cytotoxicus sp. nov. is a novel thermotolerant species of the Bacillus cereus Group occasionally associated with food poisoning." International Journal of Systematic and Evolutionary Microbiology 63, Pt_1 (January 1, 2013): 31–40. http://dx.doi.org/10.1099/ijs.0.030627-0.
Повний текст джерелаKim, Wonyong, Ji-Yeon Kim, Sung-Lim Cho, Sun-Woo Nam, Jong-Wook Shin, Yang-Soo Kim, and Hyoung-Shik Shin. "Glycosyltransferase – a specific marker for the discrimination of Bacillus anthracis from the Bacillus cereus group." Journal of Medical Microbiology 57, no. 3 (March 1, 2008): 279–86. http://dx.doi.org/10.1099/jmm.0.47642-0.
Повний текст джерелаZegeye, Ephrem Debebe, Brajabandhu Pradhan, Ann-Katrin Llarena, and Marina Aspholm. "Enigmatic Pilus-Like Endospore Appendages of Bacillus cereus Group Species." International Journal of Molecular Sciences 22, no. 22 (November 16, 2021): 12367. http://dx.doi.org/10.3390/ijms222212367.
Повний текст джерелаLIN, S. F., H. SCHRAFT, and M. W. GRIFFITHS. "Identification of Bacillus cereus by Fourier Transform Infrared Spectroscopy (FTIR)." Journal of Food Protection 61, no. 7 (July 1, 1998): 921–23. http://dx.doi.org/10.4315/0362-028x-61.7.921.
Повний текст джерелаДисертації з теми "Bacillus cereus group species"
Barker, Margaret. "Population structure of the Bacillus cereus group." Thesis, Heriot-Watt University, 2006. http://hdl.handle.net/10399/2145.
Повний текст джерелаOh, Mi Hwa School of Chemical Engineering & Industrial Chemistry UNSW. "Ecology of toxigenic bacillus species in rice products." Awarded by:University of New South Wales. School of Chemical Engineering and Industrial Chemistry, 2006. http://handle.unsw.edu.au/1959.4/23942.
Повний текст джерелаPires, Fazion Fernanda. "Role of plasmids of Bacillus cereus group in insect larvae." Thesis, Paris, Institut agronomique, vétérinaire et forestier de France, 2017. http://www.theses.fr/2017IAVF0005/document.
Повний текст джерелаBacillus cereus (Bc) and Bacillus thuringiensis (Bt) are two closely related species. Bc is a pathogenic species responsible for gastroenteritis by food-borne. Bt is an entomopathogenic bacterium, which the lifecycle in insect larvae is controlled by quorum sensing systems, such as Rap/Phr, which regulates processes such as sporulation, biofilm formation and conjugation. The presence of these genes in plasmids has been described, furthermore, plasmids have been involved in bacterial adaptation to their ecological niche. In order to understand the role of the plasmids to these species, two complementary works were carried out. First, insect larvae, a privileged ecological niche of Bt strains, were infected with Bc and Bt strains harboring different plasmid contents. Their fitness were evaluated by vegetative cells and spore counts at four time points. Bt and Bc strains were classified into five groups according to the bacterial fitness. In these groups, the plasmid affects positively or negatively the bacterial fitness. The results demonstrated that for B. cereus group strains, getting a pathogenicity plasmid is not enough to effectively increase bacterial population, colonizing insect hosts. The second study characterized the rap/phr system encoded by the cryptic plasmid pHT8_1. The Rap8 protein inhibited the sporulation process in insect larvae. This protein was directly inhibited by the active signaling peptide Phr8. The Rap8/Phr8 system may allow the bacteria to exert a tight control of the sporulation process in the host cadaver for optimizing the multiplication, the survival and the dissemination of the bacteria. Thus, the results of the second study showed that the plasmids can provide advantages for the adaptation and the evolution of B. thuringiensis in its ecological niche, while the results of the first study indicate that B. cereus group strains must have a suitable genetic background to display a high fitness allowing optimal multiplication and dissemination of the bacterial population within insect larvae
Atkinson, Deborah Jane. "Stress response and inorganic poly-phosphate in the Bacillus group bacteria." Thesis, University of Bath, 2010. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.538113.
Повний текст джерелаTaylor, J. M. Walsh. "Identification and isolation of emetic toxin producing Bacillus Cereus and heat-stable toxins from other Bacillus species." Thesis, Glasgow Caledonian University, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.415442.
Повний текст джерелаDocherty, Pauline Fletcher. "The survival during milk processing of bacillus cereus with the potential to cause food-borne illness." Thesis, Glasgow Caledonian University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325996.
Повний текст джерелаFrentzel, Hendrik [Verfasser]. "Detection, characterization and survival of Bacillus cereus group members in spices and herbs / Hendrik Frentzel." Berlin : Freie Universität Berlin, 2017. http://d-nb.info/1135184887/34.
Повний текст джерелаGdoura, épouse Ben Amor Maroua. "Maitrise des risques de contamination des produits alimentaires tunisiens par le groupe Bacillus cereus." Thesis, Rennes, Agrocampus Ouest, 2019. http://www.theses.fr/2019NSARB324.
Повний текст джерелаThis thesis focused on evaluating the level of risk represented by Bacillus cereus group bacteria in Tunisian food and testing the effectiveness of their control by treating industrial surfaces with bacteriophages. A collection of 191 isolates was created from 687 food matrices. Nearly 40% of the isolates were found to belong to the group, with high genetic diversity (143 PFGE profiles and 99 ERIC-PCR profiles) and an intermediate thermal profile (signatures 16S rDNA-1 m and-2 p). Nearly 60% of the group's isolates belong to the phylogenetic group III, which is potentially pathogenic. Spores have a higher rate of adhesion than vegetative cells. Twelve toxigenic groups have been identified.At least one of the genes of each of the NHE and HBL complexes are present, whether or not associated with bceT, cytK 2 and these. After 18 hours of incubation at 30°C, nearly 71% of the isolates are cytotoxic. Different combinations of virulence factors are associated with cytotoxic potential and a clear link appears between cytotoxicity and food type. The collection has been shown to be sensitive to many antibiotics, while it is resistant to ampicillin and novobiocin. Of the 7 bacteriophages selected, 5 have a unique protein profile while all have similar genome size and restriction profiles. They are used to prevent the formation of biofilms and to treat them. This work confirms the health risk associated with the presence of the B. cereus group in Tunisian foods and the promising role of bacteriophages as biocontrol tools
Fernandes, Meg da Silva 1984. "Enterococcus spp. e Bacillus cereus isolados do processamento de ricota: patogenicidade, formação de biofilmes multiespécie e detecção de autoindutores AI-2 = Enterococcus spp. and Bacillus cereus isolated from ricotta processing: pathogenicity, multi-species biofilm formation and detection of the autoinducer AI-2." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/255699.
Повний текст джерелаTese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos
Made available in DSpace on 2018-08-26T05:00:36Z (GMT). No. of bitstreams: 1 Fernandes_MegdaSilva_D.pdf: 2553051 bytes, checksum: ee968bf858cc0b427d8f6b79c37338b7 (MD5) Previous issue date: 2014
Resumo: Enterococcus faecium e Enterococcus faecalis são espécies de patógenos oportunistas que infectam principalmente imunocomprometidos. Estas espécies são encontradas em produtos lácteos e possuem capacidade de formar biofilme em superfícies que contatam com os alimentos. A sua remoção é muito dependente dos procedimentos de higienização. Os Enterococcus spp. utilizam o sistema de comunicação célula-célula (quorum sensing) para a formação de biofilmes. A formação de biofilme mono e multiespécie, a eficácia dos procedimentos de higienização no controle destes biofilmes e a produção de moléculas sinalizadoras de quorum sensing por cepas de E. faecalis, E. faecium, Bacillus cereus e Listeria monocytogenes foram avaliadas. Os ensaios foram realizados com cupons de aço inoxidável e variando-se a temperatura (7, 25 e 39 °C) e o tempo (0, 1, 2, 4, 6 e 8 dias). Após 1 e 8 dias de contato nas temperaturas de 25 e 39 °C, os cupons foram submetidos a diferentes processos de higienização. Os sanitizantes testados foram: hipoclorito de sódio (0,2%), ácido peracético (0,2%), quaternário de amônio (3,0%) e biguanida (1,0%). A detecção das moléculas sinalizadoras de quorum sensing AI-2 foi realizada através da avaliação do gene luxS e de ensaio biológico de bioluminescência. Nenhum dos micro-organismos avaliados foi capaz de formar biofilmes a 7 ?C. Enterococcus sp. foram capazes de formar biofilmes, com contagens acima de 8 log ufc/cm2 para as temperaturas de 25 e 39 °C após 8 dias de contato. Em cultivo multiespécie, a temperatura 25 °C favoreceu o desenvolvimento do biofilme de L. monocytogenes (contagens acima de 6 log ufc/cm2). Por sua vez, a 39 °C observou-se o efeito negativo no desenvolvimento do biofilme de L. monocytogenes em cultivo misto, com redução significativa nas contagens ao longo do tempo (valores abaixo de 0,4 log ufc/cm2). As contagens de B. cereus, para ambas as temperaturas em diferentes tempos de exposição situaram-se abaixo de 4,1 log ufc/cm2. Em contrapartida, a contagem de esporos de B. cereus evoluiu ao longo do tempo, atingindo contagens em torno de 4,6 log ufc/cm2. A limpeza com tensoativo aniônico complementada por outra etapa (limpeza ácida, limpeza ácida + sanitização ou sanitização) foi capaz de remover os biofilmes mono e multiespécie em todas as condições testadas. O ácido peracético foi o sanitizante mais eficiente e a biguanida o menos eficiente. Todas as cepas de Enterococcus spp. e B. cereus apresentaram o gene luxS e induziram o fenômeno de bioluminescência em Vibrio harveyi BB170, indicando a presença de autoindutores AI-2
Abstract: Enterococcus faecium and Enteroccus faecalis are opportunistic pathogens species that infect mainly immunocompromised individuals. These species are found in dairy products and are capable of forming biofilms on surfaces that contact with food. Their removal is highly dependent on the cleaning procedures. It is known that enterococci use the cell-cell communication (quorum sensing) to biofilm formation. The formation of mono- and multi-species biofilm, the effectiveness of sanitization procedures to control these biofilms and the production of signaling molecules of quorum sensing (AI-2) by strains of E. faecalis, E. faecium, Bacillus cereus and Listeria monocytogenes were evaluated in this work. The biofilms were grown on stainless steel coupons at various incubation temperatures (7, 25 and 39 °C) and times (0, 1, 2, 4, 6 and 8 days). After 1 and 8 days of contact at 25 and 39 °C, the coupons were subjected to different sanitation procedures: anionic tensioactive cleaning, acid-anionic tensioactive cleaning, sanitization, anionic tensioactive cleaning + sanitization, acidic- anionic tensioactive cleaning + sanitization and chlorinated alkaline cleaning. The sanitizers tested were: sodium hypochlorite (0.2%), peracetic acid (0.2%), quaternary ammonium (3%), and biguanide (1%). The detection of AI-2 molecules was performed by evaluating the luxS gene and biological bioluminescence assay. None of the microorganisms evaluated was able to form biofilms at 7 °C. Enterococcus sp. were able to form biofilms, with counts above 8 log CFU/cm2 for the temperatures of 25 and 39 °C after 8 days of contact. In multi-species culture, the temperature of 25 °C favored the development of L. monocytogenes biofilms (counts above 6 log CFU/cm2). On the other hand, at 39 °C it was observed a negative effect in the development of L. monocytogenes biofilms in mixed culture, with a significant reduction in counts over time (values below 0.4 log CFU/cm2). The counts of B. cereus, for both temperatures at different exposure times were below 4.1 log CFU/cm2. In contrast, the spore counts of B. cereus evolved over time, reaching scores of around 4.6 log CFU/cm2. The anionic tensioactive cleaning complemented by an aditional step (acid cleaning, acid cleaning + sanitization or sanitization) was able to remove mono- and multi-species biofilms in all tested conditions. The peracetic acid was the most effective sanitizer and the less efficient was biguanide. All strains of Enterococcus spp. and B. cereus showed the luxS gene and induced the phenomenon of bioluminescence in Vibrio harveyi BB170, indicating the presence of AI-2 autoinducers
Doutorado
Tecnologia de Alimentos
Doutora em Tecnologia de Alimentos
Dubois, Thomas. "Etude du système de communication cellulaire NprR-NprX au sein du groupe Bacillus cereus." Phd thesis, AgroParisTech, 2012. http://pastel.archives-ouvertes.fr/pastel-00770265.
Повний текст джерелаЧастини книг з теми "Bacillus cereus group species"
Ehling-Schulz, Monika, Didier Lereclus, and Theresa M. Koehler. "The Bacillus cereus Group: Bacillus Species with Pathogenic Potential." In Gram-Positive Pathogens, 875–902. Washington, DC, USA: ASM Press, 2019. http://dx.doi.org/10.1128/9781683670131.ch55.
Повний текст джерелаDale, Jennifer L., and Theresa M. Koehler. "Virulence Gene Regulation in Bacillus anthracis and Other Bacillus cereus Group Species." In Regulation of Bacterial Virulence, 262–80. Washington, DC, USA: ASM Press, 2016. http://dx.doi.org/10.1128/9781555818524.ch13.
Повний текст джерелаØkstad, Ole Andreas, and Anne-Brit Kolstø. "Evolution of the Bacillus cereus Group." In Bacillus thuringiensis Biotechnology, 117–29. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-3021-2_6.
Повний текст джерелаXu, Chengchen, Yan Wang, Chan Yu, Lin Li, Minshun Li, Jin He, Ming Sun, and Ziniu Yu. "Construction and Application in Plasmid Vectors of Bacillus cereus Group." In Bacillus thuringiensis Biotechnology, 185–99. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-3021-2_10.
Повний текст джерелаDrean, Paul, and Edward M. Fox. "Pulsed-Field Gel Electrophoresis of Bacillus cereus Group Strains." In Methods in Molecular Biology, 71–83. New York, NY: Springer New York, 2015. http://dx.doi.org/10.1007/978-1-4939-2599-5_7.
Повний текст джерелаFouet, Agnès, and Marie Moya. "Virulence Megaplasmids in Bacillus anthracis and Their Relatives in the Bacillus cereus Group." In Microbial Megaplasmids, 187–206. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-85467-8_9.
Повний текст джерелаTangahu, Bieby Voijant, Siti Rozaimah Sheikh Abdullah, Hassan Basri, Mushrifah Idris, Nurina Anuar, and Muhammad Mukhlisin. "Biosorption of Lead (Pb) by Three Bacillus species (Bacillus cereus, Bacillus pumilus and Bacillus subtilis) Isolated from Scirpus grossus." In From Sources to Solution, 215–20. Singapore: Springer Singapore, 2013. http://dx.doi.org/10.1007/978-981-4560-70-2_40.
Повний текст джерелаYin, Wen, Lu Liu, Siyang Xu, and Jin He. "Cyclic di-GMP Signaling Systems in the Gram-Positive Bacillus cereus Group." In Microbial Cyclic Di-Nucleotide Signaling, 261–75. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-33308-9_16.
Повний текст джерелаJan, S., and F. Baron. "32. Psychrotrophic heat-resistant bacteria in the sector of pasteurized liquid egg processing: a focus on the Bacillus cereus group." In Handbook of eggs in human function, 577–614. The Netherlands: Wageningen Academic Publishers, 2015. http://dx.doi.org/10.3920/978-90-8686-804-9_32.
Повний текст джерелаSavini, Vincenzo. "Bacillus Species Outside the Bacillus cereus Group." In The Diverse Faces of Bacillus cereus, 129–38. Elsevier, 2016. http://dx.doi.org/10.1016/b978-0-12-801474-5.00011-6.
Повний текст джерелаТези доповідей конференцій з теми "Bacillus cereus group species"
Adley, Catherine, Khalil Arshak, Camila Molnar, Kamila Oliwa, and Vijayalakshmi Velusamy. "Design of specific DNA primers to detect the Bacillus cereus group species." In 2009 IEEE Sensors Applications Symposium (SAS). IEEE, 2009. http://dx.doi.org/10.1109/sas.2009.4801807.
Повний текст джерелаVelusamy, Vijayalakshmi, Khalil Arshak, Olga Korostynska, Kamila Oliwa, and Catherine Adley. "Conducting polymer based DNA biosensor for the detection of the Bacillus cereus group species." In SPIE Defense, Security, and Sensing, edited by Moon S. Kim, Shu-I. Tu, and Kaunglin Chao. SPIE, 2009. http://dx.doi.org/10.1117/12.818631.
Повний текст джерелаUllah, S. M. Kamran, and Mahmooda Kazmi. "Aerobic bacterial count & prevalence of bacillus cereus group species in air of selected areas of Karachi." In 2014 11th International Bhurban Conference on Applied Sciences and Technology (IBCAST). IEEE, 2014. http://dx.doi.org/10.1109/ibcast.2014.6778126.
Повний текст джерелаFatikunnaja, Mohammad, Sitoresmi Prabaningtyas, Aulia Qori Latifiana, Diah Ayu Eka Fitriana, and Dwi Listyorini. "pycA gene failed to reveal the species of Bacillus cereus group isolated from Ranu Pani East Java." In THE 4TH INTERNATIONAL CONFERENCE ON LIFE SCIENCE AND TECHNOLOGY (ICoLiST). AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0111805.
Повний текст джерелаMaltseva, S. V., A. S. Yakubovich, E. R. Gritskevitch, I. E. Buchenkov, and A. G. Sysa. "ANTAGONISTIC ACTIVITY OF BACTERIA OF THE GENUS BACILLUS ISOLATED FROM SOILS UNDER PROLONGED EXPOSURE TO IONIZING RADIATION IN RELATION TO COLIMORPHOUS BACTERIA." In SAKHAROV READINGS 2022: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY. International Sakharov Environmental Institute of Belarusian State University, 2022. http://dx.doi.org/10.46646/sakh-2022-1-299-302.
Повний текст джерелаЗвіти організацій з теми "Bacillus cereus group species"
Irudayaraj, Joseph, Ze'ev Schmilovitch, Amos Mizrach, Giora Kritzman, and Chitrita DebRoy. Rapid detection of food borne pathogens and non-pathogens in fresh produce using FT-IRS and raman spectroscopy. United States Department of Agriculture, October 2004. http://dx.doi.org/10.32747/2004.7587221.bard.
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