Academic literature on the topic 'Pyocyanin'
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Journal articles on the topic "Pyocyanin"
O'Malley, Yunxia Q., Maher Y. Abdalla, Michael L. McCormick, Krzysztof J. Reszka, Gerene M. Denning, and Bradley E. Britigan. "Subcellular localization ofPseudomonaspyocyanin cytotoxicity in human lung epithelial cells." American Journal of Physiology-Lung Cellular and Molecular Physiology 284, no. 2 (February 1, 2003): L420—L430. http://dx.doi.org/10.1152/ajplung.00316.2002.
Full textO'Malley, Yunxia Q., Krzysztof J. Reszka, George T. Rasmussen, Maher Y. Abdalla, Gerene M. Denning, and Bradley E. Britigan. "ThePseudomonassecretory product pyocyanin inhibits catalase activity in human lung epithelial cells." American Journal of Physiology-Lung Cellular and Molecular Physiology 285, no. 5 (November 2003): L1077—L1086. http://dx.doi.org/10.1152/ajplung.00198.2003.
Full textO'Malley, Yunxia Q., Krzysztof J. Reszka, Douglas R. Spitz, Gerene M. Denning, and Bradley E. Britigan. "Pseudomonas aeruginosapyocyanin directly oxidizes glutathione and decreases its levels in airway epithelial cells." American Journal of Physiology-Lung Cellular and Molecular Physiology 287, no. 1 (July 2004): L94—L103. http://dx.doi.org/10.1152/ajplung.00025.2004.
Full textفاطمة حسين بريج مورد, رغد أكرم عزيز, and محمد فرج شذر. "العلاقة التأزرية لصبغة البايوسيانين pyocyaninالمنتجة من بكتريا Pseudomonasaeruginosa و خميرة Saccharomyces cerevisiaeتجاه بعض انواع البكتريا المرضية و المعزولة من عينات سريرية متعددة." journal of the college of basic education 22, SI (August 24, 2022): 237–57. http://dx.doi.org/10.35950/cbej.v22isi.5898.
Full textJain, Preeti, Suman Kumari, and Ashish Malik. "INHIBITION OF PYOCYANIN PRODUCTION IN PSEUDOMONAS AERUGINOSA BY NATURAL ANTIMICROBIAL COMPOUNDS FROM HERBAL EXTRACTS." Asian Journal of Pharmaceutical and Clinical Research 10, no. 6 (June 1, 2017): 389. http://dx.doi.org/10.22159/ajpcr.2017.v10i6.18056.
Full textDe Vleesschauwer, David, Pierre Cornelis, and Monica Höfte. "Redox-Active Pyocyanin Secreted by Pseudomonas aeruginosa 7NSK2 Triggers Systemic Resistance to Magnaporthe grisea but Enhances Rhizoctonia solani Susceptibility in Rice." Molecular Plant-Microbe Interactions® 19, no. 12 (December 2006): 1406–19. http://dx.doi.org/10.1094/mpmi-19-1406.
Full textPragana, Luiz Gustavo, Carlos Eduardo Tavares Norat, Diogo Simas Bernardes Dias, Elisângela Afonso de Moura Kretzschmar, Rafael de Almeida Travassos, and Ulrich Vasconcelos. "Summary of the role of pyocyanin in the transformation and biodegradation of Polycyclic Aromatic Hydrocarbons." Conjecturas 22, no. 15 (November 3, 2022): 405–29. http://dx.doi.org/10.53660/conj-1874-2p12.
Full textPrice-Whelan, Alexa, Lars E. P. Dietrich, and Dianne K. Newman. "Pyocyanin Alters Redox Homeostasis and Carbon Flux through Central Metabolic Pathways in Pseudomonas aeruginosa PA14." Journal of Bacteriology 189, no. 17 (May 25, 2007): 6372–81. http://dx.doi.org/10.1128/jb.00505-07.
Full textNorman, R. Sean, Peter Moeller, Thomas J. McDonald, and Pamela J. Morris. "Effect of Pyocyanin on a Crude-Oil-Degrading Microbial Community." Applied and Environmental Microbiology 70, no. 7 (July 2004): 4004–11. http://dx.doi.org/10.1128/aem.70.7.4004-4011.2004.
Full textCheluvappa, Rajkumar, Ronald Shimmon, Michael Dawson, Sarah N. Hilmer, and David G. Le Couteur. "Reactions of Pseudomonas aeruginosa pyocyanin with reduced glutathione." Acta Biochimica Polonica 55, no. 3 (September 17, 2008): 571–80. http://dx.doi.org/10.18388/abp.2008_3063.
Full textDissertations / Theses on the topic "Pyocyanin"
Price-Whelan, Alexa Mari Leadbetter Jared R. Newman Dianne K. "Physiology and mechanisms of pyocyanin reduction in pseudomonas aeruginosa /." Diss., Pasadena, Calif. : Caltech, 2009. http://resolver.caltech.edu/CaltechETD:etd-02182009-100346.
Full textLarian, Nika. "PYOCYANIN, A VIRULENCE FACTOR PRODUCED BY SEPSIS-CAUSING PSEUDOMONAS AERUGINOSA, PROMOTES ADIPOSE WASTING AND CACHEXIA." UKnowledge, 2019. https://uknowledge.uky.edu/pharmacol_etds/31.
Full textPan, Ninyuan, and 潘寧遠. "The effects of pseudomonas aeruginosa pyocyanin on interleukin-8 expression in bronchial epithelium and therapeutic implications inbronchiectasis." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B45012866.
Full textWally, Hassan. "Identification and Characterization of MvaT and MvaU Global Regulators in Arginine Catabolism and Quorum Sensing of Pseudomonas aeruginosa." Digital Archive @ GSU, 2007. http://digitalarchive.gsu.edu/biology_diss/16.
Full textPan, Ninyuan. "The effects of pseudomonas aeruginosa pyocyanin on interleukin-8 expression in bronchial epithelium and therapeutic implications in bronchiectasis /." View the Table of Contents & Abstract, 2006. http://sunzi.lib.hku.hk/hkuto/record/B36432660.
Full textSILVA, Tacilene Luzia da. "Atividade sinérgica do timol e agentes antimicrobianos frente à Pseudomonas aeruginosa multirresistente e seus efeitos sobre a biossíntese de biofilme e piocianina." Universidade Federal de Pernambuco, 2015. https://repositorio.ufpe.br/handle/123456789/16574.
Full textMade available in DSpace on 2016-04-14T18:46:13Z (GMT). No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) Dissertação Tacilene Luzia Silva.pdf: 1235794 bytes, checksum: f6e18d8a1d865ebf8536ae8b8a1666f3 (MD5) Previous issue date: 2015-02-13
CNPq
Pseudomonas aeruginosa é uma bactéria Gram negativa, oportunista e ubíqua, frequentemente associada a infecções graves em pacientes imunocomprometidos. Em razão do aumento de resistência dessa bactéria aos múltiplos antimicrobianos, surgem à preocupação e a procura por novas alternativas terapêuticas, com as substâncias bioativas de origem natural representando uma importante fonte para obtenção desses medicamentos. O objetivo do presente estudo foi determinar a atividade sinérgica do timol e agentes antimicrobianos frente a cepas de Pseudomonas aeruginosa multirresistentes e avaliar os efeitos dessa interação sobre a biossíntese de biofilme e de piocianina. Para isso, numa primeira etapa foi determinada a concentração inibitória e bactericida mínima do timol e de antimicrobianos (Polimixina B, ceftazidima, piperacilina/tazobactam, cefepima, ciprofloxacino e meropenem) frente a dez cepas de Pseudomonas aeruginosa. O estudo da interação entre o timol e os agentes antimicrobianos foi realizado pelo método do tabuleiro de xadrez. Os critérios utilizados para avaliar a atividade sinérgica foram definidos pelo Índice da Concentração Inibitória Fracionada (FIC índex). A partir dos melhores valores do FIC índex das associações timol/antimicrobiano foram avaliadas a atividade sobre a produção de biofilme e piocianina. Três cepas (LFBM 01, LFBM 02, LFBM 16) apresentaram um perfil de resistência ao meropenem e cefepima e um efeito sinérgico foi observado entre o timol e meropenem ou cefepima sobre essas cepas. A associação timol/cefepima inibiu a biossíntese do biofilme em até 99,76%, e a associação timol/meropenem mostrou ser mais eficaz na inibição da piocianina cujos valores foram de até 84,33%. O timol associado ao meropenem ou cefepima, age sinergicamente, inibindo cepas de Pseudomonas aeruginosa multirresistentes e interferindo na biossíntese de biofilme e piocianina.
Pseudomonas aeruginosa is a Gram negative bacteria, opportunistic and ubiquitous, often associated with severe infections in immunocompromised patients. Due to the increased resistance of the bacteria to multiple antibiotics, there are the concerns and the search for new therapeutic alternatives, with the bioactive substances of natural origin represents an important source for obtaining these drugs. The aim of this study was to determine the synergistic activity of thymol and antimicrobials agents multiresistant Pseudomonas aeruginosa strains and evaluate the effects of this interaction on the biofilm biosynthesis and pyocyanin. For this, a first step was determined and the minimum inhibitory concentration of thymol and bactericidal antibiotics (polymyxin B, ceftazidime, piperacillin / tazobactam, cefepime, ciprofloxacin and meropenem) compared to ten strains of Pseudomonas aeruginosa. The study of the interaction between the thymol and antimicrobial agents was carried out by the checkerboard method. The criteria used to evaluate the synergistic activity were defined by the Index of Fractional Inhibitory Concentration (FIC index). From the best FIC index values of associations thymol / antimicrobial activity were evaluated on the production of biofilm and pyocyanin. Three strains (LFBM 01, LFBM 02, LFBM 16) showed an meropenem resistance profile and cefepime and a synergistic effect was observed between the thymol and meropenem or cefepime on these strains. The thymol / cefepime combination inhibited biofilm biosynthesis up to 99.76%, and thymol association / meropenem was more effective in inhibiting pyocyanin with values of up to 84.33%. The thymol associated with meropenem or cefepime, acts synergistically by inhibiting multidrug-resistant Pseudomonas aeruginosa strains and interfering in the biosynthesis of biofilm and pyocyanin.
Barakat, Rana. "Etude des propriétés biologiques et antimicrobiennes de la pyocyanine, pigment redox-actif produit par Pseudomonas aeruginosa." Phd thesis, Université de La Rochelle, 2012. http://tel.archives-ouvertes.fr/tel-00825873.
Full textCheluvappa, Rajkumar. "Pathophysiology of Liver Sinusoidal Endothelial Cells." Thesis, The University of Sydney, 2008. http://hdl.handle.net/2123/2802.
Full textCheluvappa, Rajkumar. "Pathophysiology of Liver Sinusoidal Endothelial Cells." University of Sydney, 2008. http://hdl.handle.net/2123/2802.
Full textOwing to its strategic position in the liver sinusoid, pathologic and morphologic alterations of the Liver Sinusoidal Endothelial Cell (LSEC) have far-reaching repercussions for the whole liver and systemic metabolism. LSECs are perforated with fenestrations, which are pores that facilitate the transfer of lipoproteins and macromolecules between blood and hepatocytes. Loss of LSEC porosity is termed defenestration, which can result from loss of fenestrations and/ or decreases in fenestration diameter. Gram negative bacterial endotoxin (Lipopolysaccharide, LPS) has marked effects on LSEC morphology, including induction LSEC defenestration. Sepsis is associated with hyperlipidemia, and proposed mechanisms include inhibition of tissue lipoprotein lipase and increased triglyceride production by the liver. The LSEC has an increasingly recognized role in hyperlipidemia. Conditions associated with reduced numbers of fenestrations such as ageing and bacterial infections are associated with impaired lipoprotein and chylomicron remnant uptake by the liver and consequent hyperlipidemia. Given the role of the LSEC in liver allograft rejection and hyperlipidemia, changes in the LSEC induced by LPS may have significant clinical implications. In this thesis, the following major hypotheses are explored: 1. The Pseudomonas aeruginosa toxin pyocyanin induces defenestration of the LSEC both in vitro and in vivo 2. The effects of pyocyanin on the LSEC are mediated by oxidative stress 3. Defenestration induced by old age and poloxamer 407 causes intrahepatocytic hypoxia and upregulation of hypoxia-related responses 4. Defenestration of the LSEC seen in old age can be exacerbated by diabetes mellitus and prevented or ameliorated by caloric restriction commencing early in life
McPhillips, Kathleen Ann. "The role of oxidants in the clearance of apoptotic cells /." Connect to full text via ProQuest. IP filtered, 2006.
Find full textTypescript. Includes bibliographical references (leaves 112-124). Free to UCDHSC affiliates. Online version available via ProQuest Digital Dissertations;
Book chapters on the topic "Pyocyanin"
Sengupta, Sucharita, and Jayati Bhowal. "Study on the Antioxidant and Cytotoxic Properties of Pyocyanin Extracted from Pseudomonas aeruginosa." In Lecture Notes in Bioengineering, 133–41. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7409-2_13.
Full textJalalimanesh, Ammar, Christina Kuttler, Rodolfo García-Contreras, and Judith Pérez-Velázquez. "An Agent-Based Model to Study Selection of Pseudomonas aeruginosa Quorum Sensing by Pyocyanin: A Multidisciplinary Perspective on Bacterial Communication." In Quantitative Models for Microscopic to Macroscopic Biological Macromolecules and Tissues, 133–47. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73975-5_7.
Full textMüller, P. K., and P. F. Mühlradt. "Effects of Pyocyanine, Liberated by Pseudomonas aeruginosa, on the Oxidative Burst of Phagocytes." In Immune Consequences of Trauma, Shock, and Sepsis, 195–99. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-73468-7_24.
Full textDas, Theerthankar. "Pseudomonas aeruginosa Secreted Biomolecules and Their Diverse Functions in Biofilm Formation and Virulence." In Pseudomonas aeruginosa - Biofilm Formation, Infections and Treatments. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96866.
Full textDas, Theerthankar, Amaye I. Ibugo, William Klare, and Mike Manefield. "Role of Pyocyanin and Extracellular DNA in Facilitating Pseudomonas aeruginosa Biofilm Formation." In Microbial Biofilms - Importance and Applications. InTech, 2016. http://dx.doi.org/10.5772/63497.
Full textConference papers on the topic "Pyocyanin"
Mahgoub, Yasmine, Rida Arif, and Susu Zughaier. "Pyocyanin pigment from Pseudomonas aeruginosa modulates innate immune defenses in macrophages." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2021. http://dx.doi.org/10.29117/quarfe.2021.0137.
Full textSudhakar, T., and S. Karpagam. "Antifungal efficacy of pyocyanin produced from bioindicators of nosocomial hazards." In 2011 International Conference on Green Technology and Environmental Conservation (GTEC 2011). IEEE, 2011. http://dx.doi.org/10.1109/gtec.2011.6167673.
Full textMiyashita, Lisa, Naseem Mushtaq, Michele Padovan, Norrice Liu, and Jonathan Grigg. "Exposure to particulate matter increases pyocyanin production in Pseudomonas aeruginosa." In ERS International Congress 2017 abstracts. European Respiratory Society, 2017. http://dx.doi.org/10.1183/1393003.congress-2017.pa3321.
Full textWadday, Ali Kadhim, Zeyad A. Saleh, and Mohammed Fraj Al-Marjani. "Spectroscopic characteristics and energy transfer of bacterial pigment: (pyocyanin/curcumin)." In SECOND INTERNATIONAL CONFERENCE ON MATERIAL SCIENCE, SMART STRUCTURES AND APPLICATIONS: ICMSS-2019. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5141438.
Full textThrift, William, Arunima Bhattacharjee, Allon I. Hochbaum, Regina Ragan, Cuong Nguyen, and Katrine Whiteson. "Robust SERS spectral analysis for quantitative detection of pyocyanin in biological fluids." In Biosensing and Nanomedicine X, edited by Hooman Mohseni, Massoud H. Agahi, and Manijeh Razeghi. SPIE, 2017. http://dx.doi.org/10.1117/12.2267958.
Full textRashid, Muhammad Ibrahim, and Saadia Andleeb. "Pyocyanin yield improvement for enhancement of Pseudomonas aeruginosa inoculated Microbial Fuel Cell efficiency." In 2018 International Conference on Power Generation Systems and Renewable Energy Technologies (PGSRET). IEEE, 2018. http://dx.doi.org/10.1109/pgsret.2018.8685940.
Full textLau, Gee W., Yonghua Hao, Zhizhou Kuang, and Brent Walling. "Pseudomonas Aeruginosa Exotoxin Pyocyanin Induces Goblet Cell Hyperplasia And Mucus Hypersecretion By Inactivating Transcription Factor FoxA2." In American Thoracic Society 2011 International Conference, May 13-18, 2011 • Denver Colorado. American Thoracic Society, 2011. http://dx.doi.org/10.1164/ajrccm-conference.2011.183.1_meetingabstracts.a4861.
Full textSaeed, Ahmed Yas, Sabah Ahmed Naif Aljubori, Mahmood Khlaf Saleh, Mostafa Qahtan Mostafa, and Nedaa Wasmi Shehab. "The phenotypic and quantitative detection of the pyocyanin stain in multiple antibiotic resistance Pseudomonas aeruginosa isolated from different clinical infections." In 3RD INTERNATIONAL SCIENTIFIC CONFERENCE OF ALKAFEEL UNIVERSITY (ISCKU 2021). AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0067387.
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