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  • 1
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    Granuloma-specific expression of Mycobacterium virulence proteins from the glycine-rich PE-PGRS family (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-05-29
    Description: Pathogenic mycobacteria, including the agent of tuberculosis, Mycobacterium tuberculosis, must replicate in macrophages for long-term persistence within their niche during chronic infection: organized collections of macrophages and lymphocytes called granulomas. We identified several genes preferentially expressed when Mycobacterium marinum, the cause of fish and amphibian tuberculosis, resides in host granulomas and/or macrophages. Two were homologs of M. tuberculosis PE/PE-PGRS genes, a family encoding numerous repetitive glycine-rich proteins of unknown function. Mutation of two PE-PGRS genes produced M. marinum strains incapable of replication in macrophages and with decreased persistence in granulomas. Our results establish a direct role in virulence for some PE-PGRS proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ramakrishnan, L -- Federspiel, N A -- Falkow, S -- AI 32396/AI/NIAID NIH HHS/ -- K08 AI 01400/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2000 May 26;288(5470):1436-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA 94305, USA. lalitar@cmgm.stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10827956" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacterial Proteins/chemistry/*genetics ; Cells, Cultured ; Disease Models, Animal ; Gene Expression Profiling ; Gene Expression Regulation, Bacterial ; Genes, Bacterial ; Glycine/analysis ; Granuloma/*microbiology/pathology ; Humans ; Macrophages/*microbiology ; Mutation ; Mycobacterium Infections, Nontuberculous/*microbiology/pathology ; Mycobacterium marinum/*genetics/growth & development/*pathogenicity ; Mycobacterium tuberculosis/genetics/pathogenicity ; Promoter Regions, Genetic ; Rana pipiens ; Tuberculosis/microbiology ; Virulence
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Antibiotics, animals, and people--again! (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-03-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Falkow, S -- Kennedy, D -- New York, N.Y. -- Science. 2001 Jan 19;291(5503):397.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11228121" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Husbandry ; Animals ; Anti-Bacterial Agents/*therapeutic use ; Bacterial Infections/microbiology/veterinary ; Centers for Disease Control and Prevention (U.S.) ; *Drug Resistance, Microbial ; Drug Utilization ; Humans ; United States ; United States Food and Drug Administration ; *Veterinary Drugs
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    An adhesin of the yeast pathogen Candida glabrata mediating adherence to human epithelial cells (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-27
    Description: Candida glabrata is an important fungal pathogen of humans that is responsible for about 15 percent of mucosal and systemic candidiasis. Candida glabrata adhered avidly to human epithelial cells in culture. By means of a genetic approach and a strategy allowing parallel screening of mutants, it was possible to clone a lectin from a Candida species. Deletion of this adhesin reduced adherence of C. glabrata to human epithelial cells by 95 percent. The adhesin, encoded by the EPA1 gene, is likely a glucan-cross-linked cell-wall protein and binds to host-cell carbohydrate, specifically recognizing asialo-lactosyl-containing carbohydrates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cormack, B P -- Ghori, N -- Falkow, S -- New York, N.Y. -- Science. 1999 Jul 23;285(5427):578-82.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, Stanford University School of Medicine, Fairchild D039, 299 Campus Drive, Stanford, CA 94305-5124, USA. bcormack@jhmi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10417386" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Calcium/metabolism ; Candida/*genetics/*pathogenicity/physiology ; Candidiasis, Vulvovaginal/microbiology ; Carbohydrates/pharmacology ; Cell Adhesion ; Cloning, Molecular ; Epithelial Cells/*microbiology ; Female ; *Fungal Proteins ; Genes, Fungal ; Humans ; Lectins/chemistry/*genetics/metabolism ; Ligands ; Mice ; Mice, Inbred DBA ; Molecular Sequence Data ; Mutagenesis, Insertional ; Mutation ; Plasmids ; Polymerase Chain Reaction ; Transformation, Genetic ; Tumor Cells, Cultured ; Virulence/genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Fluorescence-based isolation of bacterial genes expressed within host cells (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-09-26
    Description: A selection strategy was devised to identify bacterial genes preferentially expressed when a bacterium associates with its host cell. Fourteen Salmonella typhimurium genes, which were under the control of at least four independent regulatory circuits, were identified to be selectively induced in host macrophages. Four genes encode virulence factors, including a component of a type III secretory apparatus. This selection methodology should be generally applicable to the identification of genes from pathogenic organisms that are induced upon association with host cells or tissues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Valdivia, R H -- Falkow, S -- AI26195/AI/NIAID NIH HHS/ -- DK38707/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1997 Sep 26;277(5334):2007-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA 94305, USA. valdivia@cmgm.stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9302299" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacterial Proteins/genetics ; Cell Line ; Cloning, Molecular ; Female ; Flow Cytometry ; Fluorescence ; *Gene Expression Regulation, Bacterial ; Green Fluorescent Proteins ; HeLa Cells ; Humans ; Luminescent Proteins/genetics ; Macrophages/*microbiology ; Mice ; Mice, Inbred BALB C ; Microscopy, Fluorescence ; Molecular Sequence Data ; Open Reading Frames ; Promoter Regions, Genetic ; Recombinant Fusion Proteins ; Salmonella Infections, Animal/microbiology ; Salmonella typhimurium/*genetics/isolation & purification/*pathogenicity ; Spleen/microbiology ; Transcription Factors/genetics ; Virulence/genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Epithelial cell surfaces induce Salmonella proteins required for bacterial adherence and invasion (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-17
    Description: Salmonella bacteria are capable of entering (invading) and multiplying within eukaryotic cells. Stable adherence to and invasion of epithelial cells by S. choleraesuis and S. typhimurium were found to require de novo synthesis of several new bacterial proteins. This inducible event appears to be a coordinately regulated system dependent on trypsin- and neuraminidase-sensitive structures present on the epithelial cell surface. Mutants of S. choleraesuis and S. typhimurium were unable to synthesize these proteins and did not stably adhere to nor invade eukaryotic cells. Two such S. typhimurium mutants were avirulent in mice, an indication that these proteins are required for Salmonella virulence.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Finlay, B B -- Heffron, F -- Falkow, S -- AI26195/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1989 Feb 17;243(4893):940-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medical Microbiology, Stanford University School of Medicine, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2919285" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Bacterial Adhesion ; Bacterial Proteins/*biosynthesis ; Cell Line ; Epithelium/physiology ; Kinetics ; Methionine/metabolism ; Salmonella/pathogenicity/*physiology ; Sulfur Radioisotopes
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Coordinate regulation and sensory transduction in the control of bacterial virulence (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-17
    Description: Genes and operons that encode bacterial virulence factors are often subject to coordinate regulation. These regulatory systems are capable of responding to various environmental signals that may be encountered during the infectious cycle. For some pathogens, proteins that mediate sensory transduction and virulence control are similar to components of other bacterial information processing systems. Understanding the molecular mechanisms governing global regulation of pathogenicity is essential for understanding bacterial infectious diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, J F -- Mekalanos, J J -- Falkow, S -- AI23945/AI/NIAID NIH HHS/ -- AI26195/AI/NIAID NIH HHS/ -- AI26289/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1989 Feb 17;243(4893):916-22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, Stanford University, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2537530" target="_blank"〉PubMed〈/a〉
    Keywords: Bacteria/*pathogenicity ; Bacterial Infections/microbiology ; Bordetella pertussis/pathogenicity ; Humans ; Rhizobium/pathogenicity ; Vibrio cholerae/pathogenicity ; Virulence
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Microbial pathogenesis: genomics and beyond (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-05-02
    Description: The growing number of complete microbial genome sequences provides a powerful tool for studying the biology of microorganisms. In combination with assays for function, genomic-based approaches can facilitate efficient and directed research strategies to elucidate mechanisms of bacterial pathogenicity. As genomic information accrues, the challenge remains to construct a picture of the biology that accurately reflects how individual genes collaborate to create the complex world of microbial specialization.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strauss, E J -- Falkow, S -- AI 26195/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1997 May 2;276(5313):707-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA 94305-5402, USA. estrauss@cmgm.stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9115190" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacteria/*genetics/*pathogenicity ; Bacterial Infections/microbiology ; Databases, Factual ; Gene Expression Regulation, Bacterial ; Genetic Techniques ; *Genome, Bacterial ; Humans ; Sequence Analysis, DNA ; Virulence/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    Disruption of the epithelial apical-junctional complex by Helicobacter pylori CagA (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-05-31
    Description: Helicobacter pylori translocates the protein CagA into gastric epithelial cells and has been linked to peptic ulcer disease and gastric carcinoma. We show that injected CagA associates with the epithelial tight-junction scaffolding protein ZO-1 and the transmembrane protein junctional adhesion molecule, causing an ectopic assembly of tight-junction components at sites of bacterial attachment, and altering the composition and function of the apical-junctional complex. Long-term CagA delivery to polarized epithelia caused a disruption of the epithelial barrier function and dysplastic alterations in epithelial cell morphology. CagA appears to target H. pylori to host cell intercellular junctions and to disrupt junction-mediated functions.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3369828/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3369828/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Amieva, Manuel R -- Vogelmann, Roger -- Covacci, Antonello -- Tompkins, Lucy S -- Nelson, W James -- Falkow, Stanley -- AI38459/AI/NIAID NIH HHS/ -- CA92229/CA/NCI NIH HHS/ -- DDC DK56339/DC/NIDCD NIH HHS/ -- R01 GM035527/GM/NIGMS NIH HHS/ -- R01GM35227/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2003 May 30;300(5624):1430-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA 94305, USA. amieva@stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12775840" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Bacterial/genetics/*metabolism ; Bacterial Adhesion ; Bacterial Proteins/genetics/*metabolism ; Cell Adhesion Molecules/metabolism ; Cell Line ; Cell Polarity ; Cell Size ; Dogs ; Epithelial Cells/cytology/metabolism/*microbiology/ultrastructure ; Gastric Mucosa ; Helicobacter pylori/*pathogenicity/physiology ; Humans ; Intracellular Signaling Peptides and Proteins ; Junctional Adhesion Molecules ; Membrane Proteins/metabolism ; Phosphoproteins/metabolism ; Phosphorylation ; Protein Tyrosine Phosphatase, Non-Receptor Type 11 ; Protein Tyrosine Phosphatases/metabolism ; Tight Junctions/*microbiology/physiology/*ultrastructure ; Tumor Cells, Cultured ; Zonula Occludens-1 Protein
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    An open letter to Elias Zerhouni (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-03-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Altman, Sidney -- Bassler, Bonnie L -- Beckwith, Jon -- Belfort, Marlene -- Berg, Howard C -- Bloom, Barry -- Brenchley, Jean E -- Campbell, Allan -- Collier, R John -- Connell, Nancy -- Cozzarelli, Nicholas R -- Craig, Nancy L -- Darst, Seth -- Ebright, Richard H -- Elledge, Stephen J -- Falkow, Stanley -- Galan, Jorge E -- Gottesman, Max -- Gourse, Richard -- Grindley, Nigel D F -- Gross, Carol A -- Grossman, Alan -- Hochschild, Ann -- Howe, Martha -- Hurwitz, Jerard -- Isberg, Ralph R -- Kaplan, Samuel -- Kornberg, Arthur -- Kustu, Sydney G -- Landick, Robert C -- Landy, Arthur -- Levy, Stuart B -- Losick, Richard -- Long, Sharon R -- Maloy, Stanley R -- Mekalanos, John J -- Neidhardt, Frederick C -- Pace, Norman R -- Ptashne, Mark -- Roberts, Jeffrey W -- Roth, John R -- Rothman-Denes, Lucia B -- Salyers, Abigail -- Schaechter, Moselio -- Shapiro, Lucy -- Silhavy, Thomas J -- Simon, Melvin I -- Walker, Graham -- Yanofsky, Charles -- Zinder, Norton -- New York, N.Y. -- Science. 2005 Mar 4;307(5714):1409-10.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15746409" target="_blank"〉PubMed〈/a〉
    Keywords: Biological Warfare ; *Biomedical Research/economics ; *Bioterrorism ; Financing, Government ; *Microbiology ; *National Institutes of Health (U.S.) ; Peer Review, Research ; Public Health ; *Research Support as Topic ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    Science publishing and security concerns (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-05-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Falkow, Stanley -- New York, N.Y. -- Science. 2003 May 2;300(5620):737-9; author reply 737-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12730579" target="_blank"〉PubMed〈/a〉
    Keywords: *Access to Information ; Advisory Committees ; Animals ; Biomedical Research ; *Bioterrorism/prevention & control ; Communicable Diseases ; Editorial Policies ; *Guidelines as Topic ; Humans ; Periodicals as Topic ; *Publishing ; *Security Measures
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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