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Relevant bibliographies by topics / Pyogenes

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Academic literature on the topic 'Pyogenes'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Pyogenes"

1

Westbroek, Mark L., Crystal L. Davis, Lena S. Fawson, and Travis M. Price. "Interactions ofLactobacilliwith PathogenicStreptococcus pyogenes." Infectious Diseases in Obstetrics and Gynecology 2010 (2010): 1–4. http://dx.doi.org/10.1155/2010/289743.

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Objective. To determine whether (1) a decreased concentration ofLactobacilliallowsS. pyogenesto grow; (2)S. pyogenesis able to grow in the presence of healthyLactobacillusconcentrations; (3)S. pyogenesis capable of inhibitingLactobacilli.Methods. One hundred fifty patient samples ofS. pyogeneswere mixed with four different concentrations ofL. crispatusandL. jensenii. Colony counts and pH measurements were taken from these concentrations and compared usingt-tests and ANOVA statistical analyses.Results. Statistical tests showed no significant difference between the colony counts ofS. pyogenesby itself and growth when mixed withLactobacilli, and no significant difference between the colony counts ofS. pyogenesin the four different concentrations ofLactobacilli.Conclusion. The statistical data representing the growth of these two organisms suggests thatLactobacillidid not inhibit the growth ofS. pyogenes. Also,S. pyogenesdid not inhibit the growth ofLactobacilli.

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Plovanich, Molly, Hillary C. Tsibris, Christine G. Lian, and Arash Mostaghimi. "Pyogenes Riesengranulom bei einer Patientin mit chronischer lymphatischer Leukämie." Kompass Onkologie 2, no. 1 (2015): 39–41. http://dx.doi.org/10.1159/000381370.

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Das pyogene Granulom, auch als lobuläres kapilläres Hämangiom bezeichnet, ist eine häufige, gutartige, proliferative vaskuläre Läsion, die in jedem Alter auf der Haut oder den Schleimhäuten auftreten kann. Die meisten Läsionen werden nicht größer als 2 cm, es liegen jedoch auch Berichte über vereinzelte Fälle von riesenhaften pyogenen Granulomen der Haut vor, meist bei Patienten mit zugrunde liegender Funktionsstörung des Immunsystems. Hier berichten wir erstmals über ein pyogenes Riesengranulom bei einer Patientin mit einer malignen hämatologischen Erkrankung, in diesem Fall mit chronischer lymphatischer Leukämie.

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Mustafa, Usta, İlhan Fatma, Özen Hasan, İlhan Ziya, Karaman Musa, and Kurban Muhammed Yusuf. "Trueperella pyogenes Induced Cerebral Abscess in a West Highland White Terrier." Acta Veterinaria 71, no. 1 (March 1, 2021): 113–19. http://dx.doi.org/10.2478/acve-2021-0009.

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Abstract Cerebral abscesses are occasionally seen in animals, however are rare in dogs. Among the pyogenic bacteria causing cerebral abscesses Trueperella pyogenes is relatively scarce. In this report, a case of T. pyogenes induced cerebral abscess in a West Highland White Terrier was presented with histopathological and bacteriological findings. Two foci of cerebral abscesses located at the level of the thalamus, and the frontal and temporal lobes were described on necropsy. Severe suppurative meningoencephalitis and ventriculitis were noted on microscopic view. T. pyogenes was isolated and identified in bacteriological investigation. This report states that T. pyogenes can be a causative agent of cerebral abscesses in dogs.

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Gahrn-Hansen, Bente, and Wilhelm Frederiksen. "Human infections with Actinomyces pyogenes (Corynebacterium pyogenes)." Diagnostic Microbiology and Infectious Disease 15, no. 4 (May 1992): 349–54. http://dx.doi.org/10.1016/0732-8893(92)90022-l.

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Kotrajaras, Renoo, and Hachiro Tagami. "Corynebacterium pyogenes." International Journal of Dermatology 26, no. 1 (January 1987): 45–50. http://dx.doi.org/10.1111/j.1365-4362.1987.tb04575.x.

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6

SHEFF, BARBARA. "Streptococcus pyogenes." Nursing 32, no. 1 (January 2002): 75. http://dx.doi.org/10.1097/00152193-200201000-00068.

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Jansen, Thomas. "Pyogenes Granulom." HNO Nachrichten 45, no. 1 (February 2015): 22. http://dx.doi.org/10.1007/s00060-015-0264-x.

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Rathod, Sanjay, Muzaheed Venkat M. Shinde, and H. P. Jai Shanker Pillai. "Epidemiology of Streptococcus pyogenes in Pyogenic Infections in Gulbarga, India." International Journal of Current Microbiology and Applied Sciences 5, no. 10 (October 10, 2016): 1030–38. http://dx.doi.org/10.20546/ijcmas.2016.510.109.

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Albertsen, B. E. "CORYNEBACTERIUM PYOGENES TOXIN." Acta Pathologica Microbiologica Scandinavica 32, no. 4 (August 18, 2009): 481–91. http://dx.doi.org/10.1111/j.1699-0463.1953.tb00276.x.

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Norimatsu, Yuta, and Yuki Ohno. "Streptococcus pyogenes balanoposthitis." IDCases 21 (2020): e00832. http://dx.doi.org/10.1016/j.idcr.2020.e00832.

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Dissertations / Theses on the topic "Pyogenes"

1

Berge, Andreas. "Molecular analysis of Streptococcus pyogenes and its interactions with the human host." Lund : Lund University, 1997. http://catalog.hathitrust.org/api/volumes/oclc/68945123.html.

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2

Zhang, Meng. "Proteomic analysis of streptococcus pyogenes." Thesis, Northumbria University, 2007. http://nrl.northumbria.ac.uk/842/.

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Streptococcus pyogenes (group A streptococcus, GAS) is a major human Gram-positive pathogen that causes infections that normally occur in the respiratory tract, the skin, the wound, the lung, the bloodstream and/or muscle tissues and result in millions of deaths every year. To cause such infections, S. pyogenes produces a wide range of virulence factors. The destruction of connective tissue and the hyaluronic acid therein plays an important role in pathogenesis. S. pyogenes was propagated in hyaluronic acid rich growth media in an attempt to create a simple biological system that could reflect some elements of the pathogenesis. The growth of bacteria was analyzed in the hyaluronic acid rich media and control media and a proteomic approach was applied to identify those proteins that were differentially expressed by the streptococcal pathogens growing in the different media. The techniques of two dimensional gel electrophoresis and static nanospray mass spectrometry were optimized and proteome maps for S. pyogenes grown in both media were constructed. The differentially expressed proteins by S. pyogenes were identified and analyzed using bioinformatics. Our results showed that several recognized virulence factors of S. pyogenes were upregulated in hyaluronic acid rich media, including the Ml protein, a collagen-like surface protein and the glycolytic enzyme glyceraldehyde-3-phosphate dehydrogenase, which has been shown to play important roles in streptococcal pathogenesis. Interestingly, two hypothetical proteins of unknown function were also up-regulated and detailed bioinformatics analysis showed that at least one of these hypothetical proteins is likely to be involved in GAS pathogenesis. It was therefore concluded that this simple biological system provided a valuable tool for the identification of potential streptococcal pathogens virulence factors.

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3

Thern, Anette. "Interactions between Streptococcus pyogenes and the human immune system with special reference to C4b-binding protein /." Lund : Dept. of Medical Microbiology, Lund University, 1998. http://catalog.hathitrust.org/api/volumes/oclc/39224761.html.

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4

Desai, Meeta. "Molecular epidemiological typing of Streptococcus pyogenes." Thesis, Open University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299021.

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Becherelli, Marco <1979&gt. "Functional characterization of Streptococcus pyogenes pili." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amsdottorato.unibo.it/3015/.

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Group A Streptococcus is a Gram-positive human pathogen able to colonize both upper respiratory tract and skin. GAS is responsible for several acute diseases and autoimmune sequelae that account for half a million deaths worldwide every year (Cunningham et al., 2000). As other bacteria, GAS infections requires the capacity of the pathogen to adhere to host tissues and to form cell aggregates. The ability to persist in distinct host niches like the throat and the skin and to trigger infections is associated with the expression of different GAS virulence factors. GAS pili has been described as important virulence factors encoded by different FCT-operon regions. Based on this information, we decided to study the possible effect of environmental conditions that could regulate the pili expression. In this study we reported the influence of pH environment variations in biofilm formation for strains pertaining to a panel of different GAS FCT-types. The biofilm formation was promoted, excepted in the FCT-1 strains, by a changing in pH from physiological to acidic condition of growth in in vitro biofilm assay. By analyzing the possible association between biofilm formation and pH dependence, we have found that in FCT-2 and FCT-3 strains, the biofilm is promoted by pH reduction leading to an increase of pili expression. These data confirmed a direct link between pH dependent pilus expression and biofilm formation in GAS. As pili are a multi component structure we decided to investigate the functional role of one of its subunits, the AP-1 protein. AP-1 is highly conserved through the different FCT-types and suggests a possible essential role for the pili function. We focused our attention on the AP-1 protein encoded by the FCT-1 strains (M6). In particular this AP-1 protein contains the von Willebrand Factor A (VWFA) domain, which share an homology with the human VWFA domain that has been reported to be involved in adhesion process. We have demonstrated that the AP-1 protein binds to human epithelial cells by its VWFA domain, whereas the biofilm formation is mediated by the N-terminal region of AP-1 protein. Moreover, analyzing the importance of AP-1 in in vivo experiments we found a major capacity of tissue dissemination for the wild-type strain compared to the isogenic AP-1 deletion mutant. Pili have been also reported as potential vaccine candidates against Gram positive bacteria. For these reason we decided to investigate the relationship between cross reaction of sera raised against different GAS and GBS pilin subunits and the presence of a conserved Cna_B domain, in different pilin components. Our idea was to investigate if, using pilus conserved domains, a broad coverage vaccine against streptococcal infection could be possible.

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Broglia, Laura. "Regulating with ribonucleases in Streptococcus pyogenes." Doctoral thesis, Humboldt-Universität zu Berlin, 2020. http://dx.doi.org/10.18452/21573.

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Bakterien haben eine Vielzahl an Strategien entwickelt, um sich an ständig wechselnde Umweltbedingungen anzupassen, darunter auch post-transkriptionelle regulatorische Mechanismen. Die Genexpression kann hierbei durch gezielten Abbau oder Stabilisierung von RNA durch Ribonukleasen (RNasen) reguliert werden. RNasen weisen je nach Spezies allerdings unterschiedliche Effekte auf Genexpression und bakterielle Physiologie, sowie verschiedene Strategien der Substraterkennung auf. Dies zeigt, dass unser Verständnis des RNA-Abbaus bei weitem nicht vollständig ist. Ziel dieser Arbeit ist es, die Eigenschaften und Funktionen der endoRNase Y des humanpathogenen Bakteriums Streptococcus pyogenes zu studieren. Um Einblick in Funktion und Spezifität dieser RNase zu gewinnen, wurden deren genomweite Schnittpositionen (“targetome”) mit Hilfe von RNA-Sequenzierung identifiziert. Zur weiteren Analyse des RNase Y-abhängigen RNA-Abbaus wurde dieses Ergebnis mit dem “targetome” der drei 3′-5′-Exoribonukleasen (ExoRNasen) PNPase, YhaM und RNase R verglichen. Schließlich wurden die Anforderungen für die Prozessierung durch RNase Y und deren Rolle in der Regulation von Virulenzgenen in vivo anhand der speB mRNA, die einen wichtigen Virulenzfaktor codiert, untersucht. Wir konnten in dieser Arbeit zeigen, dass RNase Y Substrate bevorzugt nach einem Guanosin schneidet und dieses Nukleosid essenziell für die Prozessierung der speB mRNA in vivo ist. Obwohl RNase Y die speB mRNA schneidet, unterstützen die Daten ein Modell nach dem RNase Y die Expression von speB auf transkriptioneller Ebene reguliert. Mit Hilfe des “targetome”-Vergleichs konnten wir ferner zeigen, dass RNase Y den RNA-Abbau in S. pyogenes initiiert und die dabei generierten 3′-Enden der RNA hauptsächlich von den 3′-5′-exoRNasen PNPase und/oder YhaM prozessiert werden. Zusammenfassend erweitern diese Erkenntnisse unser Verständnis der Funktionalität von RNase Y und des RNA-Abbaus in Gram-positiven Bakterien.
Bacteria have developed a plethora of strategies to cope with constantly changing environmental conditions, including post-transcriptional regulatory mechanisms. With this regard, regulation of gene expression can be achieved by either the rapid removal or stabilization of RNA molecules by ribonucleases (RNases). RNases exhibit species-specific effects on gene expression, bacterial physiology and different strategies of target recognition, indicating that our understanding of the RNA degradation machinery is not yet complete. The aim of this thesis was to investigate the features and functions of endoRNase Y from the strict human pathogen Streptococcus pyogenes. To gain insight into the role and specificity of this RNase, we identified RNase Y cleavage positions (i.e. targetome) genome-wide by RNA sequencing. Next, to investigate the RNA degradation pathway depending on RNase Y, we compared the RNase Y targetome with the ones of the three 3′-to-5′ exoribonuclease (exoRNases), namely PNPase, YhaM and RNase R. Finally, to dissect the requirements for RNase Y processing and to decipher the role of RNase Y in virulence gene regulation, we studied the impact of RNase Y on speB mRNA, encoding a major virulence factor. This study reveals that RNase Y preferentially cleaves RNAs downstream of a guanosine and for the first time we were able to show that the presence of a guanosine residue is essential for the processing of speB mRNA, in vivo. Although RNase Y cleaves the speB mRNA, our data underpin a model in which RNase Y-mediated regulation of speB expression occurs at the transcriptional level. Using the targetome comparative approach, we demonstrated that RNase Y initiates RNA decay in S. pyogenes and that the RNase Y-generated RNA 3′ ends are usually further trimmed by PNPase and/or YhaM. Overall, these findings increase our understanding of RNase Y functionality and RNA degradation in Gram-positive bacteria.

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Siou, GeÌrard Paul Serge. "Streptococcus pyogenes interactions with human tonsils." Thesis, University of Newcastle upon Tyne, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.424082.

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8

McNamara, Case W. "Molecular analysis of Streptococcus pyogenes M1 protein." Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2006. http://wwwlib.umi.com/cr/ucsd/fullcit?p3230034.

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Thesis (Ph. D.)--University of California, San Diego, 2006.
Title from first page of PDF file (viewed November 17, 2006). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references.

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Dixon, Emma Victoria. "Mechanisms of immunoglobulin deactivation by Streptococcus pyogenes." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:ec80e3f9-0c73-4d39-bc68-c39b927365d4.

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The bacteria Streptococcus pyogenes produces a multitude of proteins which interact with and alter the functions of the host immune system. Two such proteins, Endoglycosidase S (EndoS) and Immunoglobulin G-degrading enzyme from S. pyogenes (IdeS) are able to specifically alter the effector functions of immunoglobulin G (IgG). EndoS is a glycoside hydrolase which removes the conserved N-linked glycan from IgG Fc whereas IdeS is a cysteine protease that cleaves the exible protein hinge of IgG. The activity of both proteins results in the reduced ability of IgG to elicit immune responses through Fc receptor binding and complement activation. Amongst other applications, both EndoS and IdeS are actively being explored as new therapeutics for IgG-mediated autoimmune diseases. Given the therapeutic potential of EndoS and IdeS, experiments were designed to investigate the structural and functional characteristics of these enzymes in an effort to understand their specficity for and activity against IgG. Here, bioinformatic and biophysical characterisation of EndoS identified subdomains outside of the catalytic domain which contribute to glycoside hydrolase activity. The substrate specificity of EndoS was also explored and showed that EndoS hydrolyses a broad range of glycans from the IgG scaffold. EndoS was also shown to have activity against alternative glycoprotein substrates, however, this non-specific activity was negligible in the context of whole serum. The effect of EndoS-mediated deglycosylation on the structure of the IgG Fc domain was explored using both X-ray crystallography and small-angle X-ray scattering. Small angle X-ray scattering was also used to characterise both EndoS and IdeS in complex with IgG Fc. Solution-state models of each complex were produced providing preliminary data towards how these enzymes interact with IgG. Overall, the results presented here contribute to our understanding of these enzymes which is of importance as they go forward into clinical applications.

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Caswell, Clayton Christopher. "The SCL1 protein of Streptococcus pyogenes a structure-function analysis /." Morgantown, W. Va. : [West Virginia University Libraries], 2008. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=6026.

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Thesis (Ph. D.)--West Virginia University, 2008.
Title from document title page. Document formatted into pages; contains xi, 190 p. : ill. (some col.). Includes abstract. Includes bibliographical references.

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Books on the topic "Pyogenes"

1

Alin, Robert, ed. Quand l'Everest nous tombe sur la tête: Une histoire de courage et d'amour. Longueuil (Québec): Performance éd., 2014.

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Lydyard, Peter, Michael Cole, John Holton, Will Irving, Nino Porakishvili, Pradhib Venkatesan, and Kate Ward. Case Studies in Infectious Disease: Streptococcus pyogenes. Garland Science, 2009. http://dx.doi.org/10.4324/9780203854082.

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Vidyasanker, Radhika. The rpsL gene and streptomycin resistance in Streptococcus gordonii and Streptococcus pyogenes. 1999.

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Harrison, Mark. Streptococci and staphylococci. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780198765875.003.0013.

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This chapter describes the microbiology of streptococci and staphylococci as it applies to Emergency Medicine, and in particular the Primary FRCEM examination. The chapter outlines the key details of the methods of spread and clinical features of Streptococcus pneumoniae, Streptococcus pyogenes, alpha-haemolytic streptococci, Staphylococcus aureus, MRSA, and Staphylococcus epidermidis. This chapter is laid out exactly following the RCEM syllabus, to allow easy reference and consolidation of learning.

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Characterization of a virulence determinant from group A Streptococcus: Identification of a novel chromosomal region responsible for streptolysin S production in Streptococcus pyogenes. Ottawa: National Library of Canada, 1997.

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Akayama, H. Characteristics in adherence of steptococci and Staphylococcus aureus isolated form various infective infective skin lesions: Serum lgA decreases adherence of Streptococcus pyogenes but not....... 1999.

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Ingham, H. R., P. Sissons, R. M. Kalbag, A. D. Mandelow, and V. McAllister. Pyogenic Neurosurgical Infections. Arnold, 1991.

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R, Johnson Dwight, and World Health Organization, eds. Laboratory diagnosis of group A streptococcal infections. Geneva: World Health Organization, 1996.

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Kaplan, Edward L., Dwight R. Johnson, Jaroslav Sramek, Ruth Bicova, Jiri Havlicek, Helena Havlickova, Jitka Motlova, and Paula Kriz. Laboratory Diagnosis of Group a Streptococcal Infections(1150441). World Health Organization, 1997.

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Bhole, Malini. Complement deficiencies. Edited by Patrick Davey and David Sprigings. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199568741.003.0299.

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The complement system comprises a group of heat-labile proteins which form part of the innate immune system. The main physiological functions of the complement system include defence against pyogenic bacterial infections, clearance of immune complexes and products of inflammatory damage, and acting as a bridge between the innate and adaptive immune system. The complement system is regulated by various complement inhibitors (regulatory proteins) that are present in both the classical pathway and the alternate pathway and which regulate and prevent spontaneous activation of the complement system, thereby preventing complement-mediated damage to tissues under normal circumstances. This chapter addresses the clinical features, diagnosis, and management of inherited and acquired deficiencies of complement proteins or inhibitors.

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Book chapters on the topic "Pyogenes"

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Stechenberg, Barbara. "Streptococcus pyogenes." In The Neurological Manifestations of Pediatric Infectious Diseases and Immunodeficiency Syndromes, 209–13. Totowa, NJ: Humana Press, 2008. http://dx.doi.org/10.1007/978-1-59745-391-2_15.

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Breathnach, Aodhán S., and Susannah J. Eykyn. "Streptococcus pyogenes Bacteraemia." In Streptococci and the Host, 57–58. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4899-1825-3_14.

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Reichardt, W. "Streptococcus pyogenes." In Contributions to Microbiology, 90–101. Basel: KARGER, 2001. http://dx.doi.org/10.1159/000060404.

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McShan, W. Michael, Kimberly A. McCullor, and Scott V. Nguyen. "The Bacteriophages of Streptococcus pyogenes." In Gram-Positive Pathogens, 158–76. Washington, DC, USA: ASM Press, 2019. http://dx.doi.org/10.1128/9781683670131.ch11.

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Erdem, Guliz, and Edward L. Kaplan. "Rheumatic Complications of Streptococcus pyogenes." In The Microbiome in Rheumatic Diseases and Infection, 97–102. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-79026-8_9.

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Ferretti, Joseph J., Bruce A. Roe, Sandy W. Clifton, Shao Ping Lin, Xiling Wang, Min Zhan, Adonis Reece, Alexander N. Suvorov, and W. Michael McShan. "The Streptococcus pyogenes Genome Sequencing Project." In Streptococci and the Host, 961–63. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4899-1825-3_226.

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Stanley, John, Meeta Desai, Androulla Efstratiou, and Robert George. "High-Resolution Genotyping of Streptococcus pyogenes." In Streptococci and the Host, 313–16. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4899-1825-3_75.

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Kozińska, Aleksandra, and Izabela Sitkiewicz. "Detection of Streptococcus pyogenes Virulence Factors." In Methods in Molecular Biology, 3–16. New York, NY: Springer US, 2020. http://dx.doi.org/10.1007/978-1-0716-0467-0_1.

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Stevens, D. L. "Virulence Factors of Streptococcus pyogenes." In Streptococcal Pharyngitis, 3–15. Basel: KARGER, 2003. http://dx.doi.org/10.1159/000076206.

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Cornaglia, G., and A. Bryskier. "Macrolide Resistance of Streptococcus pyogenes." In Streptococcal Pharyngitis, 150–65. Basel: KARGER, 2003. http://dx.doi.org/10.1159/000076224.

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Conference papers on the topic "Pyogenes"

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LAMBERTON, G. R., M. J. PEREAU, K. ILLES, I. L. KELLY, J. CHRISLER, B. J. CHILDERS, K. C. OBERG, and A. A. SZALAY. "CONSTRUCTION AND CHARACTERIZATION OF A BIOLUMENESCENT STREPTOCOCCUS PYOGENES." In Bioluminescence and Chemiluminescence - Progress and Current Applications - 12th International Symposium on Bioluminescence (BL) and Chemiluminescence (CL). WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812776624_0018.

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Galán-Relaño, Ángela, Belén Barrero-Domínguez, Almudena Casamayor, Fernando Cardoso-Toset, Ana Lucía Solarte, Fabiana de Aguiar, José F. Fernández-Garayzábal, Inmaculada Luque, Ana I. Vela, and Carmen Tarradas. "Antimicrobial resistance profile of Trueperella pyogenes associated with slaughterhouse condemnations of pigs in Spain." In Safe Pork 2015: Epidemiology and control of hazards in pork production chain. Iowa State University, Digital Press, 2017. http://dx.doi.org/10.31274/safepork-180809-355.

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Santiago, Caio R. N., Luciano A. Digiampietri, and Leandro M. Moreira. "GTACG: Um arcabouço computacional focado em genômica comparativa de bactérias de um mesmo ramo evolutivo." In Anais Estendidos do Simpósio Brasileiro de Computação Aplicada à Saúde. Sociedade Brasileira de Computação (SBC), 2020. http://dx.doi.org/10.5753/sbcas.2020.11553.

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Neste trabalho é apresentado o GTACG: um arcabouço computacional para genômica comparativa com foco em uma usabilidade facilitada e destinada a pesquisas para identificação de características genéticas únicas em subgrupos de genomas de bactérias que possuem um determinado fenótipo em comum. Os resultados foram validados com dois estudos de caso envolvendo um conjunto com 161 genomas da família Xanthomonadaceae, no qual foram encontradas 19 famílias proteicas ortólogas exclusivas aos genomas associados a plantas e 45 genomas de Streptococcus pyogenes, no qual foram encontrados 15 famílias de proteínas ortólogas que servem como marcadores filogenéticos para a proteína emm.

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Razik, Mohamed Rasny Mohamed, S. Angielina, Reyadh Al-Rashidi, Samer Al-Dhalli, Jiyauddin Khan, Kiran Chanabasappa Nilugal, Santosh Fattepur, et al. "Evaluation of Antibacterial Activity of Different Extract of Ipomoea aquatic Leaves against Staphylococcus aureus and Streptococcus pyogenes." In Bromo Conference, Symposium on Natural Products and Biodiversity. SCITEPRESS - Science and Technology Publications, 2018. http://dx.doi.org/10.5220/0008360502270239.

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Malini, Amalia Rizkha, M. Athuf Thaha, and Fitriani. "The Susceptibility Pattern of Staphylococcus Aureus and Streptococcus Pyogenes to Fusidic Acid and Mupirocin in Superficial Pyoderma." In The 23rd Regional Conference of Dermatology 2018. SCITEPRESS - Science and Technology Publications, 2018. http://dx.doi.org/10.5220/0008154502270230.

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Amalia, Nurul, Agung Dwi Wahyu Widodo, and Willy Sandhika. "Differences of Caspase-3 Expression in Liver and Spleen of Rattus norvegicus Infected with Streptococcus pyogenes and Acinetobacter baumannii." In 2nd International Conference Postgraduate School. SCITEPRESS - Science and Technology Publications, 2018. http://dx.doi.org/10.5220/0007541002580262.

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7

Hirayama, Michiko, Hiroyoshi Nishikawa, Yasuhiro Nagata, Takemasa Tsuji, Sahoko Hori, Masatoshi Aoki, Shugo Ueda, et al. "Abstract 5325: Inhibition of CD4+CD25+ regulatory T cell suppression to anti-tumor responses by OK-432 (lyophilized Streptococcus pyogenes)." In Proceedings: AACR 101st Annual Meeting 2010‐‐ Apr 17‐21, 2010; Washington, DC. American Association for Cancer Research, 2010. http://dx.doi.org/10.1158/1538-7445.am10-5325.

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8

Thiyagarajan, Magesh. "Portable Plasma Medical Device for Infection Treatment and Wound Healing." In ASME 2011 6th Frontiers in Biomedical Devices Conference. American Society of Mechanical Engineers, 2011. http://dx.doi.org/10.1115/biomed2011-66031.

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Abstract:

The purpose of this study was to determine the effects of plasma treatment on bacteria in liquid phases. We predict that the plasma gas can penetrate the liquid culture media and plasma treatment will efficiently kill the bacteria at unique time and distance parameters. It is also hypothesized that less stringent plasma treatment will negatively affect the growth rate of some species of bacteria and possibly their pathogenicity. The bacteria were exposed to hot and cold plasma at various time lengths and distance parameters. Our results indicated that 2 minutes of hot plasma treatment with the plasma torch 5 cm away from the liquid culture is effective in killing/sterilizing cultures of S. aureus, S. pyogenes, Salmonella spp, N. meningitidis, and E. coli. Five minutes of cold plasma with the probe immersed 1–2 cm inside the liquid culture were needed to kill the bacteria. The portable nonthermal plasma system can be used for infection treatment and wound healing applications affected by the microbes studied in this research [1–4].

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BUXTON, DE, BJ CHILDERS, and KC OBERG. "A NOVEL METHOD TO ENHANCE THE SUBCUTANEOUS DETECTION OF BIOLUMINESCENCE IN THE FACULTATIVE ANAEROBE, STREPTOCOCCUS PYOGENES, BY DMSO-ASSISTED TRANSDERMAL OXYGEN DELIVERY." In Proceedings of the 13th International Symposium. WORLD SCIENTIFIC, 2005. http://dx.doi.org/10.1142/9789812702203_0088.

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10

Brum, Natália Franco, and Patrícia Kolling Marquezan. "ENFERMOS COM HISTÓRICO DE FEBRE REUMÁTICA E SUAS IMPLICAÇÕES EM ODONTOLOGIA: UMA REVISÃO DE LITERATURA." In I Congresso Brasileiro de Imunologia On-line. Revista Multidisciplinar em Saúde, 2021. http://dx.doi.org/10.51161/rems/970.

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Introdução: A odontologia caracteriza-se, por ser uma profissão que estuda a microbiota oral, ecossistema bucal e os impactos corpóreos frente a uma disbiose nesse ambiente. Dessa forma, a intervenção em tecidos orais de forma invasiva culmina em uma bacteremia, dita transitória, a qual é influenciada pelo estado salutar dos pacientes. A entrada de bactérias à corrente sanguínea decorrente desses procedimentos ditos invasivos desencadeia um processo inflamatório e pode ocasionar desenvolvimento da Febre Reumática (FR), a qual interfere nos procedimentos odontológicos. A FR é desencadeada pelos fatores de virulência bacterianos da espécie Streptococcus pyogenes -bactéria frequentemente encontrada na cavidade bucal- sob o sistema imunológico, sendo influenciada por fatores genéticos e sociais. Desse modo, frente à necessidade de ampliar o conhecimento acerca do manejo adequado a ser empregado durante o atendimento de pacientes com FR, foi desenvolvida a revisão de literatura. Objetivo: Analisar evidências científicas sobre a FR com enfoque odontológico a fim de guiar a conduta clínica, métodos preventivos e terapêuticos. Materiais e Métodos: Executaram-se buscas na literatura em dezembro de 2020, por meio dos descritores pré-estabelecidos, nos bancos de dados: LILACS e PubMed/MEDLINE, além de complementações utilizando o Google Scholar. Foram encontrados cerca de 563 artigos, refinados em 10, juntamente ao uso de 3 livros. Resultados: Constatou-se, que a realização de uma anamnese criteriosa durante a primeira consulta faz-se imprescindível, por auxiliar à compreensão dos aspectos fisiopatológicos do paciente, os quais irão determinar o emprego ou não de fármacos, principalmente, antes de procedimentos invasivos odontológicos. Conclusão: Em contrapartida, verificou-se que há poucos estudos relacionando o manejo clínico de pacientes com Febre Reumática (FR) no âmbito odontológico, sendo necessárias maiores pesquisas com o fito de construir-se uma conduta clínica adequada e padronizada reduzindo-se os riscos e a incidência de tal enfermidade.

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Reports on the topic "Pyogenes"

1

de Infectología, Comité Nacional. Alerta sobre infecciones graves por Streptococcus pyogenes en niños. Buenos Aires: siicsalud.com, September 2018. http://dx.doi.org/10.21840/siic/158683.

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2

Gergova, Raina, Adile Muhtarova, Gergana Petrova, Stefan Gergov, Milka Dikova, and Ivan Mitov. Comparison of Cultural, Immunological and New PCR Techniques for Detection of Streptococcus pyogenes. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, October 2018. http://dx.doi.org/10.7546/crabs.2018.10.16.

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