Relevant bibliographies by topics / Cag Type IV Secretion System

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Academic literature on the topic 'Cag Type IV Secretion System'

Author: Grafiati
Published: 7 July 2024
Last updated: 31 July 2025

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Journal articles on the topic "Cag Type IV Secretion System"

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Busler, Valerie J., Victor J. Torres, Mark S. McClain, Oscar Tirado, David B. Friedman, and Timothy L. Cover. "Protein-Protein Interactions among Helicobacter pylori Cag Proteins." Journal of Bacteriology 188, no. 13 (2006): 4787–800. http://dx.doi.org/10.1128/jb.00066-06.

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ABSTRACT Many Helicobacter pylori isolates contain a 40-kb region of chromosomal DNA known as the cag pathogenicity island (PAI). The risk for development of gastric cancer or peptic ulcer disease is higher among humans infected with cag PAI-positive H. pylori strains than among those infected with cag PAI-negative strains. The cag PAI encodes a type IV secretion system that translocates CagA into gastric epithelial cells. To identify Cag proteins that are expressed by H. pylori during growth in vitro, we compared the proteomes of a wild-type H. pylori strain and an isogenic cag PAI deletion m
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Pinto-Santini, Delia M., and Nina R. Salama. "Cag3 Is a Novel Essential Component of the Helicobacter pylori Cag Type IV Secretion System Outer Membrane Subcomplex." Journal of Bacteriology 191, no. 23 (2009): 7343–52. http://dx.doi.org/10.1128/jb.00946-09.

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ABSTRACT Helicobacter pylori strains harboring the cag pathogenicity island (PAI) have been associated with more severe gastric disease in infected humans. The cag PAI encodes a type IV secretion (T4S) system required for CagA translocation into host cells as well as induction of proinflammatory cytokines, such as interleukin-8 (IL-8). cag PAI genes sharing sequence similarity with T4S components from other bacteria are essential for Cag T4S function. Other cag PAI-encoded genes are also essential for Cag T4S, but lack of sequence-based or structural similarity with genes in existing databases
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Couturier, Marc Roger, Elizabetta Tasca, Cesare Montecucco, and Markus Stein. "Interaction with CagF Is Required for Translocation of CagA into the Host via the Helicobacter pylori Type IV Secretion System." Infection and Immunity 74, no. 1 (2006): 273–81. http://dx.doi.org/10.1128/iai.74.1.273-281.2006.

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ABSTRACT Development of severe gastric diseases is strongly associated with those strains of Helicobacter pylori that contain the cag pathogenicity island (PAI) inserted into the chromosome. The cag PAI encodes a type IV secretion system that translocates the major disease-associated virulence protein, CagA, into the host epithelial cell. CagA then affects host signaling pathways, leading to cell elongations and inflammation. Since the precise mechanism by which the CagA toxin is translocated by the type IV secretion system remained elusive, we used fusion proteins and immunoprecipitation stud
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Kumar, Navin, Mohd Shariq, Rajesh Kumari, Rakesh K. Tyagi, and Gauranga Mukhopadhyay. "Cag Type IV Secretion System: CagI Independent Bacterial Surface Localization of CagA." PLoS ONE 8, no. 9 (2013): e74620. http://dx.doi.org/10.1371/journal.pone.0074620.

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Cover, Timothy L., D. Borden Lacy, and Melanie D. Ohi. "The Helicobacter pylori Cag Type IV Secretion System." Trends in Microbiology 28, no. 8 (2020): 682–95. http://dx.doi.org/10.1016/j.tim.2020.02.004.

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Kutter, Stefan, Renate Buhrdorf, Jürgen Haas, Wulf Schneider-Brachert, Rainer Haas, and Wolfgang Fischer. "Protein Subassemblies of the Helicobacter pylori Cag Type IV Secretion System Revealed by Localization and Interaction Studies." Journal of Bacteriology 190, no. 6 (2008): 2161–71. http://dx.doi.org/10.1128/jb.01341-07.

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ABSTRACT Type IV secretion systems are possibly the most versatile protein transport systems in gram-negative bacteria, with substrates ranging from small proteins to large nucleoprotein complexes. In many cases, such as the cag pathogenicity island of Helicobacter pylori, genes encoding components of a type IV secretion system have been identified due to their sequence similarities to prototypical systems such as the VirB system of Agrobacterium tumefaciens. The Cag type IV secretion system contains at least 14 essential apparatus components and several substrate translocation and auxiliary f
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Jurik, Angela, Elisabeth Haußer, Stefan Kutter та ін. "The Coupling Protein Cagβ and Its Interaction Partner CagZ Are Required for Type IV Secretion of the Helicobacter pylori CagA Protein". Infection and Immunity 78, № 12 (2010): 5244–51. http://dx.doi.org/10.1128/iai.00796-10.

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ABSTRACT Bacterial type IV secretion systems are macromolecule transporters with essential functions for horizontal gene transfer and for symbiotic and pathogenic interactions with eukaryotic host cells. Helicobacter pylori, the causative agent of type B gastritis, peptic ulcers, gastric adenocarcinoma, and mucosa-associated lymphoid tissue (MALT) lymphoma, uses the Cag type IV secretion system to inject its effector protein CagA into gastric cells. This protein translocation results in altered host cell gene expression profiles and cytoskeletal rearrangements, and it has been linked to cancer
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Terradot, Laurent, and Gabriel Waksman. "Architecture of the Helicobacter pylori Cag-type IV secretion system." FEBS Journal 278, no. 8 (2011): 1213–22. http://dx.doi.org/10.1111/j.1742-4658.2011.08037.x.

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Chung, Jeong Min, Michael J. Sheedlo, Anne M. Campbell, et al. "Structure of the Helicobacter pylori Cag Type IV Secretion System." Biophysical Journal 118, no. 3 (2020): 295a. http://dx.doi.org/10.1016/j.bpj.2019.11.1671.

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Lettl, Clara, and Wolfgang Fischer. "Export von Gefahrgut: Helicobacter pylori und sein CagA-Protein." BIOspektrum 26, no. 6 (2020): 597–99. http://dx.doi.org/10.1007/s12268-020-1454-7.

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Abstract Pathogenic bacteria often utilize type IV secretion systems to interact with host cells and to modify their microenvironment in a favourable way. The human pathogen Helicobacter pylori produces such a system to inject only a single protein, CagA, into gastric cells, but this injection represents a major risk factor for gastric cancer development. Here, we discuss the unusual structure of the Cag secretion nanomachine and other features that make it unique among bacterial protein transporters.
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Dissertations / Theses on the topic "Cag Type IV Secretion System"

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Pham, Kieu Thuy [Verfasser], and Wolfgang [Akademischer Betreuer] Fischer. "Functional characterization of the Helicobacter pylori Cag Type IV secretion system components CagH, CagI and CagL / Kieu Thuy Pham ; Betreuer: Wolfgang Fischer." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2016. http://d-nb.info/1124780033/34.

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Jiménez, Soto Luisa Fernanda. "Studies on the function of the Cag Type IV Secretion System of Helicobacter pylori with integrin Beta1." kostenfrei, 2009. http://edoc.ub.uni-muenchen.de/10659/.

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Jimenez, Soto Luisa Fernanda. "Studies on the function of the Cag Type IV Secretion System of Helicobacter pylori with integrin Beta1." Diss., lmu, 2009. http://nbn-resolving.de/urn:nbn:de:bvb:19-106597.

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Zeitler, Anna Friederike [Verfasser], and Rainer [Akademischer Betreuer] Haas. "Identification of cellular mechanisms interfering with the Helicobacter pylori cag type IV secretion system / Anna Friederike Zeitler ; Betreuer: Rainer Haas." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2021. http://d-nb.info/1230754679/34.

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Lopez-Lozano, Nina. "Caractérisation structurale de nanomachines bactériennes impliquées dans l'adaptabilité et la virulence." Electronic Thesis or Diss., Bordeaux, 2023. http://www.theses.fr/2023BORD0482.

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Cette thèse est divisée en deux thématiques.La première porte sur le système de Sécrétion de TypeIV cag (cag-SST4) d’Helicobacter pylori. Il s’agit d’une machinerie de sécrétion complexe enchâssée dans l’enveloppe cellulaire de la bactérie, lui permettant d’injecter l’oncoprotéine CagA dans les cellules épithéliales gastriques humaines. Cette toxine est considérée comme un facteur de virulence majeur d’H. pylori. Elle interagit avec des protéines de l’hôte, perturbant la signalisation cellulaire et entraînant des modifications pouvant favoriser le développement de maladies gastrointestinales,
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Bauer, Bianca. "Molekulare Charakterisierung von Typ IV Sekretionssytem-spezifischen Wirtszellantworten und bakteriellen Virulenzfaktoren des humanen Magenpathogens Helicobacter pylori." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2010. http://dx.doi.org/10.18452/16045.

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Das humane Magenpathogen Helicobacter pylori (H. pylori) besiedelt den menschlichen Magen und kann zu der Entstehung schwerwiegender Krankheiten wie Magenkrebs und Magengeschwüren führen. Die Pathogenese ist eng mit dem bakteriellen Typ IV Sekretionssystems (T4SS) assoziiert, das die Translokation des Effektorproteins CagA in die Wirtszelle vermittelt. Bisher ist noch unbekannt, in welchem Ausmaß wirtszellspezifische Faktoren die T4SS induzierte Pathogenese beeinflussen. Dieser Aspekt wurde in dieser Arbeit durch die Analyse verschiedenster Zelllinien das erste Mal systematisch untersucht. Int
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Connery, Sarah. "Reconstitution and localisation studies of a type IV secretion system." Thesis, Birkbeck (University of London), 2014. http://bbktheses.da.ulcc.ac.uk/75/.

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Bacterial conjugation is the transport of a DNA molecule from a donor cell to a recipient. Since bacteria do not reproduce sexually, conjugation is a major contributor to prokaryotic genome plasticity and the spread of antibiotic resistance genes. A Type IV Secretion System (T4SS) mediates the DNA transport during conjugation. T4SSs are large macromolecular assemblies embedded in the membrane of bacteria, and are associated with pathogenesis, bacterial conjugation and natural transformation. They are a versatile family of secretion systems, who transport a wide variety of substrates, such as v
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Sutten, Eric Lynn. "The immunogenicity of the type IV secretion system in Anaplasma marginale." Pullman, Wash. : Washington State University, 2009. http://www.dissertations.wsu.edu/Thesis/Summer2009/e_sutten_072409.pdf.

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Thesis (M.S. in veterinary science)--Washington State University, August 2009.<br>Title from PDF title page (viewed on Aug. 7, 2009). "Department of Veterinary Microbiology and Pathology." Includes bibliographical references.
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Schindele, Franziska Maria [Verfasser], and Rainer [Akademischer Betreuer] Haas. "Development and application of a novel Cag type IV secretion reporter assay in Helicobacter pylori / Franziska Maria Schindele ; Betreuer: Rainer Haas." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2017. http://d-nb.info/1156173116/34.

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Engledow, Amanda Suzanne. "Role of type IV secretion systems in trafficking of virulence determinants of Burkholderia cenocepacia." Thesis, [College Station, Tex. : Texas A&M University, 2006. http://hdl.handle.net/1969.1/ETD-TAMU-1841.

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Book chapters on the topic "Cag Type IV Secretion System"

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Backert, Steffen, Rainer Haas, Markus Gerhard, and Michael Naumann. "The Helicobacter pylori Type IV Secretion System Encoded by the cag Pathogenicity Island: Architecture, Function, and Signaling." In Current Topics in Microbiology and Immunology. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-75241-9_8.

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Callaghan, Melanie M., Jan-Hendrik Heilers, Chris van der Does, and Joseph P. Dillard. "Secretion of Chromosomal DNA by the Neisseria gonorrhoeae Type IV Secretion System." In Current Topics in Microbiology and Immunology. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-75241-9_13.

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Vincent, Carr D., Kwang Cheol Jeong, Jessica Sexton, Emily Buford, and Joseph P. Vogel. "The Legionella pneumophila Dot/Icm Type IV Secretion System." In Legionella. ASM Press, 2014. http://dx.doi.org/10.1128/9781555815660.ch47.

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Qiu, Jiazhang, and Zhao-Qing Luo. "Effector Translocation by the Legionella Dot/Icm Type IV Secretion System." In Current Topics in Microbiology and Immunology. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/82_2013_345.

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Vincent, Carr D., Jonathan R. Friedman, and Joseph P. Vogel. "Defining the Translocation Pathway of the Legionella pneumophila Type IV Secretion System." In Legionella. ASM Press, 2014. http://dx.doi.org/10.1128/9781555815660.ch49.

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Kubori, Tomoko, and Hiroki Nagai. "Isolation of the Dot/Icm Type IV Secretion System Core Complex from Legionella pneumophila." In Methods in Molecular Biology. Springer New York, 2019. http://dx.doi.org/10.1007/978-1-4939-9048-1_15.

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Rikihisa, Yasuko. "Role and Function of the Type IV Secretion System in Anaplasma and Ehrlichia Species." In Current Topics in Microbiology and Immunology. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-75241-9_12.

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Hilbi, Hubert, Hiroki Nagai, Tomoko Kubori, and Craig R. Roy. "Subversion of Host Membrane Dynamics by the Legionella Dot/Icm Type IV Secretion System." In Current Topics in Microbiology and Immunology. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-75241-9_9.

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Zhu, Wenhan, and Zhao-Qing Luo. "Methods for Determining Protein Translocation by the Legionella pneumophila Dot/Icm Type IV Secretion System." In Methods in Molecular Biology. Humana Press, 2012. http://dx.doi.org/10.1007/978-1-62703-161-5_19.

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So, Ernest C., Aurélie Mousnier, Gad Frankel, and Gunnar N. Schroeder. "Determination of In Vivo Interactomes of Dot/Icm Type IV Secretion System Effectors by Tandem Affinity Purification." In Methods in Molecular Biology. Springer New York, 2019. http://dx.doi.org/10.1007/978-1-4939-9048-1_19.

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Conference papers on the topic "Cag Type IV Secretion System"

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Esna Ashari, Zhila, Kelly A. Brayton, and Shira L. Broschat. "Determining Optimal Features for Predicting Type IV Secretion System Effector Proteins for Coxiella burnetii." In BCB '17: 8th ACM International Conference on Bioinformatics, Computational Biology, and Health Informatics. ACM, 2017. http://dx.doi.org/10.1145/3107411.3107416.

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Saito, Atsushi, Shigeru Ariki, Hiroki Takahashi, and Yoshio Kuroki. "Pulmonary collectins provide a first line of defense against L. Pneumophila through inhibiting their type IV secretion system." In ERS International Congress 2017 abstracts. European Respiratory Society, 2017. http://dx.doi.org/10.1183/1393003.congress-2017.pa4121.

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Tandon, N. N., and G. A. Jamieson. "ROLE OF PLATELET MEMBRANE GLYCOPROTEIN IV IN PLATELET-COLLAGEN INTERACTION: A MICROTITER ASSAY TO STUDY PLATELET ADHERENCE." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643906.

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The role of platelet glycoprotein IV (GPIV) in platelet function has not been elucidated. We have now isolated GPIV (Mr 88,000) from platelet membranes in homogeneous form by a series of steps involving (i) phase partitioning in Triton X-114, (ii) ion exchange chromatography on DEAE-cellulose, (iii) lectin affinity chromatography on WGA-Sepharose, and (iv) size exclusion chromatography on Ultrogel AcA44. Purified GPIV inhibited platelet shape change and aggregation induced by collagen (2 ug/ml; 7 nM as tropocollagen) in a dose-dependent fashion (ID50 ∼ 1 ug/ml; 10 nM) but did not affect aggreg
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Reports on the topic "Cag Type IV Secretion System"

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Elbaum, Michael, and Peter J. Christie. Type IV Secretion System of Agrobacterium tumefaciens: Components and Structures. United States Department of Agriculture, 2013. http://dx.doi.org/10.32747/2013.7699848.bard.

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Objectives: The overall goal of the project was to build an ultrastructural model of the Agrobacterium tumefaciens type IV secretion system (T4SS) based on electron microscopy, genetics, and immunolocalization of its components. There were four original aims: Aim 1: Define the contributions of contact-dependent and -independent plant signals to formation of novel morphological changes at the A. tumefaciens polar membrane. Aim 2: Genetic basis for morphological changes at the A. tumefaciens polar membrane. Aim 3: Immuno-localization of VirB proteins Aim 4: Structural definition of the substrate
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Splitter, Gary A., Menachem Banai, and Jerome S. Harms. Brucella second messenger coordinates stages of infection. United States Department of Agriculture, 2011. http://dx.doi.org/10.32747/2011.7699864.bard.

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Aim 1: To determine levels of this second messenger in: a) B. melitensiscyclic-dimericguanosinemonophosphate-regulating mutants (BMEI1448, BMEI1453, and BMEI1520), and b) B. melitensis16M (wild type) and mutant infections of macrophages and immune competent mice. (US lab primary) Aim 2: To determine proteomic differences between Brucelladeletion mutants BMEI1453 (high cyclic-dimericguanosinemonophosphate, chronic persistent state) and BMEI1520 (low cyclicdimericguanosinemonophosphate, acute virulent state) compared to wild type B. melitensisto identify the role of this second messenger in esta
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