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2 results on '"melitensis 16m"'

1. Scientific Reports

Author

Al Dahouk, Sascha, Köhler, Stephan, Occhialini, Alessandra, Jiménez de Bagüés, María Pilar, Hammerl, Jens Andre, Eisenberg, Tobias, Vergnaud, Gilles, Cloeckaert, Axel, Zygmunt, Michel, Whatmore, Adrian, Melzer, Falk, Drees, Kevin, Foster, Jeffrey, Wattam, Alice, Scholz, Holger, Department of Biological Safety, Bundesinstitut für Risikobewertung - Federal Institute for Risk Assessment (BfR), Institut de Recherche en Infectiologie de Montpellier (IRIM), Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM), Unidad de Producción y Sanidad Animal, Centro de Investigación y Tecnología Agroalimentaria, Instituto Agroalimentario de Aragón, University of Zaragoza - Universidad de Zaragoza [Zaragoza], Landesbetrieb Hessisches Landeslabor, Institut de génétique et microbiologie [Orsay] (IGM), Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS), Infectiologie Animale et Santé Publique - IASP (Nouzilly, France), Institut National de la Recherche Agronomique (INRA), German National Reference Laboratory for Animal Brucellosis, Federal Research Institute for Animal Health - Friedrich-Loeffler-Institut, Northern Arizona University [Flagstaff], Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Centre d’études d’Agents Pathogènes et Biotechologies pour la Santé (CPBS), Université Paris Sud (Paris 11), Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Université Paris-Saclay, Animal and Plant Health Agency (APHA), Department of Molecular, Cellular, and Biomedical Sciences, University of New Hampshire (UNH), Biocomplexity Institute of Virginia Tech [Blacksburg], Virginia Tech [Blacksburg], Bundeswehr Institute of Microbiology, Federal funds from National Institute of Allergy and Infectious Diseases, National Institutes of Health, Department of Health and Human Services HHSN272201400027C, Spanish grant INIA-RTA2013-00065-C02-01, Federal Institute for Risk Assessment, Germany 1329-485, Food and Rural Affairs at German Federal Institute SE0314 SE0316, Department of Environment, Federal Ministry of Food and Agriculture 47-003 1322-503 1322-619, Hessian Ministry of Environment, Climate Change, Agriculture and Consumer Protection, French DGA (Direction Generale de l'Armement) via the MicroType project ANR-14-ASMA-0002-02, European Defence Agency (EDA), Université de Montpellier (UM), UR Infectiologie animale et Santé publique (UR IASP), Bundeswehr Institute of Microbiology, Department of Bacteriology, Munich, Germany, RWTH Aachen University, Centro de Investigacion y Tecnologia Agroalimentaria de Aragon (CITA), Institut de Biologie Intégrative de la Cellule (I2BC), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Infectiologie et Santé Publique (UMR ISP), Institut National de la Recherche Agronomique (INRA)-Université de Tours (UT), Animal and Plant Health Agency [Addlestone, UK] (APHA), Friedrich-Loeffler-Institut (FLI), German Center for Infection Research, Partnersite Munich (DZIF), Rheinisch-Westfälische Technische Hochschule Aachen University (RWTH), Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), and Institut National de la Recherche Agronomique (INRA)-Université de Tours

Subjects
phylogénétique, [SDV.BIO]Life Sciences [q-bio]/Biotechnology, [SDV]Life Sciences [q-bio], analysis resource, murine models, Tanzania, Mice, Germany, phénotypage, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Transmisión de enfermedades, Phylogeny, Mice, Inbred BALB C, amphibians, monocyte-derived macrophages, lipopolysaccharide, comparative sequence, mammifère, genetic diversity, Brucelosis, Biological Evolution, Brucellaceae, bacterial bioinformatics database, melitensis 16m, vole microtus-arvalis, [SDV.MP]Life Sciences [q-bio]/Microbiology and Parasitology, Liver, Flagella, Host-Pathogen Interactions, Anura, Autre (Sciences du Vivant), [SDV.OT]Life Sciences [q-bio]/Other [q-bio.OT], Biotechnologies, macrophage, Anfibios, brucella spp, Article, Cell Line, Genetic Heterogeneity, Bacterial Proteins, death, Animals, mammals, analyse moléculaire, Mamíferos, Macrophages, amphibien, Gene Expression Regulation, Bacterial, Brucella, [SDV.MP.BAC]Life Sciences [q-bio]/Microbiology and Parasitology/Bacteriology, infection, Producción y sanidad animal, Animals, Zoo, souche bactérienne, Gram-Negative Bacterial Infections, Spleen, Multilocus Sequence Typing
Abstract

Scientific reports 7, 44420 (2017). doi:10.1038/srep44420, Published by Nature Publishing Group, London

Published
2017
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2. Identification of VceA and VceC, two members of the VjbR regulon that are translocated into macrophages by the Brucella type IV secretion system

Author

Yao Hui Sun, Renée M. Tsolis, Jan Maarten van Dijl, Maarten F. de Jong, Andreas B. den Hartigh, University of Groningen, and Translational Immunology Groningen (TRIGR)

Subjects
Brucella suis, Operon, Molecular Sequence Data, 2-GLUCAN, ENDOPLASMIC-RETICULUM, Brucella abortus, Electrophoretic Mobility Shift Assay, Regulon, Microbiology, Article, BETA-LACTAMASE, Cell Line, Mice, INTRACELLULAR SURVIVAL, Bacterial Proteins, Consensus Sequence, Escherichia coli, Consensus sequence, LUXR GENE, Animals, Secretion, Amino Acid Sequence, Promoter Regions, Genetic, Molecular Biology, Gene, Reporter gene, Secretory Pathway, Base Sequence, biology, ABORTUS, Macrophages, Genetic Complementation Test, Promoter, Gene Expression Regulation, Bacterial, MELITENSIS 16M, Protein Structure, Tertiary, Protein Transport, CYCLIC BETA-1,2-GLUCAN, CYCLIC BETA-1, biology.protein, PSEUDOMONAS-SYRINGAE, LEGIONELLA-PNEUMOPHILA, Flagellin, AGROBACTERIUM-TUMEFACIENS VIRB
Abstract

Survival and replication inside host cells by Brucella spp. requires a type IV secretion system (T4SS), encoded by the virB locus. However, the identity of the molecules secreted by the T4SS has remained elusive. We hypothesized that proteins translocated by the T4SS would be co-regulated with the virB operon. The LuxR family regulator VjbR, known to regulate virB, bound a fragment of the virB promoter containing an 18 bp palindromic motif (virB promoter box), showing that VjbR regulated the virB operon directly. To identify virB co-regulated genes, we searched the Brucella suis 1330 and B. abortus 2308 genomes for genes with an upstream virB promoter box. One hundred and forty-four promoters in the two genomes contained the virB promoter box, including those of fliC encoding flagellin and cgs encoding cyclic beta-glucan synthetase. Thirteen of these proteins were tested for VirB-dependent translocation into macrophages using a beta-lactamase reporter assay. This analysis resulted in the identification of the proteins encoded by BAB1_1652 (VceA) and BR1038/BAB1_1058 (VceC) as novel protein substrates of the Brucella T4SS. VceC could also be translocated by the Legionella pneumophila Dot/Icm T4SS into host cells. Our results suggest that VjbR co-ordinates expression of the T4SS and at least two of its secreted substrates.

Published
2008

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