Search results for "Bacteria"

showing 10 items of 4919 documents

The Vibrio choleare haemolysin anion channel is required for cell vacuolation and death

2002

SummarySeveral strains of Vibrio cholerae secrete ahaemolytic toxin of 63kDa, termed V. cholerae cytolysin (VCC). This toxin causes extensive vacuo-lation and death of cells in culture and forms ananion-selective channel in planar lipid bilayers and incells. Here, we identify inhibitors of the VCC anionchannel and show that the formation of the anionchannel is necessary for the development of the vacuoles and for the cell death induced by this toxin. Using markers of cell organelles, we show that vacuoles derive from different intracellular com-partments and we identify the contribution of lateendosomes and of the trans -Golgi network in vacuolebiogenesis.Introduction The Gram-negative bact…

4-Acetamido-4'-isothiocyanatostilbene-22'-disulfonic AcidImmunologyLipid BilayersVirulenceGolgi ApparatusVacuoleEndosomesBiology44'-Diisothiocyanostilbene-22'-Disulfonic AcidIn Vitro Techniquesmedicine.disease_causeTransfectionMicrobiologyModels BiologicalAmmonium ChlorideIon ChannelsMicrobiologyCell LineHemolysin ProteinsBacterial ProteinsVirologyOrganelleChlorocebus aethiopsmedicineAnimalsHumansSecretionVero CellsVibrio choleraeCell DeathCytotoxinsHemolysinAnti-Bacterial AgentsVibrio choleraeVacuolesCytolysinMacrolidesIntracellular
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Evolutionary genomics and functional studies on the metabolic role of Blattabacterium, primary endosymbiont of cockroaches

2013

Introducció La simbiosi, entesa com la relació de interdependència entre dos o més individus de diferents espècies, ha tingut un profunda influència al llarg de l’evolució de la vida. De fet, hi ha un ampli consens respecte a la importància de les associacions simbiòtiques, en l’aparició i evolució primerenca de la cèl•lula eucariota, així com en l’evolució del sistema immunitari en eucariotes complexos o en l’adquisició de noves capacitats metabòliques en plantes i animals, permetent-los així explorar noves fonts d’aliments o ocupar nous nínxols ecològics. Segons l’efecte de la interacció sobre els membres de l’associació, es poden distingir tres tipus: comensalisme, quan un dels membres e…

:CIENCIAS DE LA VIDA::Biología de insectos (Entomología)::Fisiología de los insectos [UNESCO]molecular evolution:CIENCIAS DE LA VIDA::Microbiología::Metabolismo microbiano [UNESCO]UNESCO::CIENCIAS DE LA VIDA::Biología animal (Zoología)::Fisiología animalUNESCO::CIENCIAS DE LA VIDA::Genética::Otrasnitrogen metabolismsymbiosisUNESCO::CIENCIAS DE LA VIDA::Microbiología::Metabolismo microbiano:CIENCIAS DE LA VIDA::Microbiología [UNESCO]genomics:CIENCIAS DE LA VIDA::Microbiología::Metabolismo bacteriano [UNESCO]:CIENCIAS DE LA VIDA::Genética::Otras [UNESCO]UNESCO::CIENCIAS DE LA VIDA::Biología de insectos (Entomología)::Fisiología de los insectos:CIENCIAS DE LA VIDA::Biología animal (Zoología)::Fisiología animal [UNESCO]UNESCO::CIENCIAS DE LA VIDA::Microbiología::Metabolismo bacterianoinsect physiologyUNESCO::CIENCIAS DE LA VIDA::Microbiología
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Fire and phylogenetic structure of soil microbial communities in Mediterranean ecosystems

2017

Tesis llevada a cabo para conseguir el grado de Doctor por la Universidad de Valencia.--2018-02-21.--Sobresaliente Cum laudem

:CIENCIAS DE LA VIDA::Biología vegetal (Botánica) ::Ecología vegetal [UNESCO]UNESCO::CIENCIAS DE LA VIDA::Biología vegetal (Botánica) ::Ecología vegetalUNESCO::CIENCIAS AGRARIAS::Ciencias veterinarias ::Microbiologíaarchaeaco-occurrence networksmicrobial ecologyphylognetic diversityphylogenetic structureecosystem functioningmicrobial productivitycommunity assemblyUNESCO::CIENCIAS DE LA TIERRA Y DEL ESPACIO::Ciencias del suelo (Edafología) ::Microbiología de suelosfungi:CIENCIAS DE LA TIERRA Y DEL ESPACIO::Ciencias del suelo (Edafología) ::Microbiología de suelos [UNESCO]community structurebacteriaresilienceproteobacteria:CIENCIAS AGRARIAS::Ciencias veterinarias ::Microbiología [UNESCO]biodiversity
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Identification of Vibrio spp. (other than V. vulnificus) recovered on CPC agar from marine natural samples

2000

Two hundred and eighty four presumptive but not confirmed Vibrio vulnificus isolates grown on cellobiose-polymixin B-colistin agar (CPC) at 40°C, recovered from sea water samples from Valencia, Spain, during a microbiological survey for V. vulnificus, were phenotypically identified. Most of the isolates (91%) corresponded to Vibrio species. V. harveyi (24%) and V. splendidus(19%) were the most abundant species identified, followed by V. navarrensis (13%), V. alginolyticus (8%) and V. parahaemolyticus (5%). The ability to grow on CPC agar and ferment cellobiose of several V. vulnificus strains from different origins and serovars, including reference strains, was tested. Most serovar E isolat…

:CIENCIAS DE LA VIDA::Microbiología [UNESCO]Marine bacteriaPhenotypic characterizationbacteriaVibrio spp.Vibrio spp.; Vibrio vulnificus; Marine bacteria; Phenotypic characterization ; CPC agarVibrio vulnificusCPC agarUNESCO::CIENCIAS DE LA VIDA::Microbiología
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Evolution and comparative genomics of di-symbiotic systems in aphids from the Lachninae subfamily and genome reduction in Serratia symbiotica

2016

Ph.D. thesis presented by Alejandro Manzano Marín Director: Prof. Dr. Amparo Latorre Castillo Institution: Universiat de València

:CIENCIAS DE LA VIDA::Simbiosis [UNESCO]BuchneraUNESCO::CIENCIAS DE LA VIDA::SimbiosisUNESCO::CIENCIAS DE LA VIDA::Microbiología ::Metabolismo bacterianoUNESCO::CIENCIAS DE LA VIDAcomparative genomicsgenome reduction:CIENCIAS DE LA VIDA::Microbiología ::Metabolismo bacteriano [UNESCO]symbiosisserratia symbiotica:CIENCIAS DE LA VIDA [UNESCO]
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Biological Peer-To-Peer Networks: From Bacterial Communication To The Development Of Synthetic Distributed Systems

2014

We address Bacterial Computing from the study of bacterial communication mechanisms, by assuming a conceptual framework between Computer Science and Biology in which cells are conceived as nodes. This nodes process information through modules formed of DNA as encoded software (biobricks) and are connected to other nodes. In order to understand how peerto-peer mechanisms operate in bacteria, we have studied Quorum sensing and Conjugation with an engineering perspective. Learning how cells process and exchange information we try to glimpse new theoretical approaches to develop synthetic networks and to transfer complex algorithms to natural environments. Extending bacterial communications we …

:CIENCIAS TECNOLÓGICAS [UNESCO]Bacterial-based AlgorithmsConjugationComplex Adaptive SystemsUNESCO::CIENCIAS DE LA VIDAUNESCO::CIENCIAS TECNOLÓGICAS:CIENCIAS DE LA VIDA [UNESCO]GeneralLiterature_MISCELLANEOUSSimulationP2P Society
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Ús del programa Berkeley Madonna per al desenvolupament de models en la docència en Enginyeria Química

2014

La modelització és un procediment metodològic fonamental per a resoldre problemes en enginyeria. Consisteix en representar el problema d'una forma adequada, de manera que s'aconsegueixi una substitució del sistema real per altre més adequat que permeti el tractament formal. És per això que el seu aprenentatge és molt important en l'estudi de l'Enginyeria Química i s'emmarca en les competències contingudes en el mòdul de tecnologia específica, Química Industrial (Ordre CIN/351/2009). En el present treball, es proposa l'ús del programa informàtic Berkeley Madonna per a l'estudi de la modelització del creixement bacterià sobre un o diversos substrats en l'assignatura Processos Biotecnològics d…

:CIENCIAS TECNOLÓGICAS [UNESCO]modelización crecimiento bacteriano Berkeley Madonna Ingeniería Químicamodeling bacterial growth Berkeley Madonna chemical engineeringUNESCO::CIENCIAS TECNOLÓGICAS
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Perspectives for the Treatment of Brucellosis in the 21st Century: The Ioannina Recommendations

2007

Policy Forum. Competing interests: ER has received research grants from Daiichi, Bayer, and Theravance and has served as a consultant to Pfizer, Theravance, Bayer, Wyeth, Rosetta, and BiondVax. Summary Points Brucellosis remains the commonest anthropozoonosis worldwide, and its treatment remains complex, requiring protracted administration of more than one antibiotic. In November 2006, a consensus meeting aimed at reaching a common specialist statement on the treatment of brucellosis was held in Ioannina, Greece under the auspices of the International Society of Chemotherapy and the Institute of Continuing Medical Education of Ioannina. The author panel suggests that the optimal treatment o…

:Diseases::Pathological Conditions Signs and Symptoms::Pathologic Processes::Disease Attributes::Recurrence [Medical Subject Headings]Veterinary medicine:Chemicals and Drugs::Carbohydrates::Glycosides::Aminoglycosides::Streptomycin [Medical Subject Headings]:Phenomena and Processes::Microbiological Phenomena::Drug Resistance Microbial [Medical Subject Headings]DiseaseGlobal Health:Organisms::Eukaryota::Animals::Chordata::Vertebrates::Mammals::Primates::Haplorhini::Catarrhini::Hominidae::Humans [Medical Subject Headings]:Health Care::Population Characteristics::Health::World Health [Medical Subject Headings]Terminología como AsuntoBrucellosi:Organisms::Eukaryota::Animals [Medical Subject Headings]:Health Care::Health Care Economics and Organizations::Organizations::International Agencies::United Nations::World Health Organization [Medical Subject Headings]Policy ForumMedicine in Developing CountriesGentamicinasDrug Resistance MicrobialBrucelosisAdhesión a DirectrizGeneral MedicineHumanosDrug CombinationsAntibacterianosDoxycyclineStreptomycinEstreptomicinaMedicine:Chemicals and Drugs::Heterocyclic Compounds::Heterocyclic Compounds with 4 or More Rings::Rifamycins::Rifampin [Medical Subject Headings]Drug Therapy CombinationGuideline AdherenceRifampinFluoroquinolonesSalud Mundialmedicine.medical_specialtyEfficacyResultado del TratamientoInvestigación BiomédicaRecurrenciaTherapeuticsWorld Health OrganizationMicrobiologyAntibiotic resistanceTerminology as Topic:Disciplines and Occupations::Social Sciences::Internationality::International Cooperation::Developing Countries [Medical Subject Headings]HumansMedical journalIntensive care medicineDeveloping Countries:Chemicals and Drugs::Heterocyclic Compounds::Heterocyclic Compounds 1-Ring::Pyrimidines::Trimethoprim::Trimethoprim-Sulfamethoxazole Combination [Medical Subject Headings]medicine.diseaseCotrimoxazoleAnimalesQuimioterapia:Humanities::Humanities::History::History Modern 1601-::History 21st Century [Medical Subject Headings]GentamicinsBrucel·losiBiomedical ResearchCommunicable diseases:Chemicals and Drugs::Heterocyclic Compounds::Heterocyclic Compounds 2-Ring::Quinolines::Quinolones::Fluoroquinolones [Medical Subject Headings]Human diseaseRecurrence:Chemicals and Drugs::Pharmaceutical Preparations::Drug Combinations [Medical Subject Headings]:Information Science::Information Science::Communication::Language::Linguistics::Terminology as Topic [Medical Subject Headings]biologyIraqi patientsRMetaanalysis:Diseases::Bacterial Infections and Mycoses::Bacterial Infections::Gram-Negative Bacterial Infections::Brucellosis [Medical Subject Headings]Historia del Siglo XXIAnti-Bacterial AgentsCombinación Trimetoprim-SulfametoxazolTreatment OutcomeInfectious Diseases:Disciplines and Occupations::Natural Science Disciplines::Science::Research::Biomedical Research [Medical Subject Headings]:Chemicals and Drugs::Organic Chemicals::Hydrocarbons::Hydrocarbons Cyclic::Hydrocarbons Aromatic::Polycyclic Hydrocarbons Aromatic::Naphthacenes::Tetracyclines::Doxycycline [Medical Subject Headings]Fluoroquinolonas:Chemicals and Drugs::Chemical Actions and Uses::Pharmacologic Actions::Therapeutic Uses::Anti-Infective Agents::Anti-Bacterial Agents [Medical Subject Headings]:Chemicals and Drugs::Carbohydrates::Glycosides::Aminoglycosides::Gentamicins [Medical Subject Headings]Países en Desarrollo:Analytical Diagnostic and Therapeutic Techniques and Equipment::Therapeutics::Drug Therapy::Drug Therapy Combination [Medical Subject Headings]BrucellaHistory 21st CenturyBrucellosisWorld healthTrimethoprim Sulfamethoxazole Drug CombinationmedicineAnimals:Analytical Diagnostic and Therapeutic Techniques and Equipment::Diagnosis::Prognosis::Treatment Outcome [Medical Subject Headings]Resistencia a Medicamentosbusiness.industryOrganización Mundial de la SaludBrucellosisMalalties infecciosesTerapèuticabiology.organism_classificationCombinación de MedicamentosDoxiciclinaTherapybusinessBrucella melitensisPLoS Medicine
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Self-reported antibiotic stewardship and infection control measures from 57 intensive care units: An international ID-IRI survey

2022

Infection control; Multidrug resistance; Stewardship Control de infección; Resistencia a múltiples fármacos; Administración Control d'infecció; Resistència a múltiples fàrmacs; Administració We explored the self-reported antibiotic stewardship (AS), and infection prevention and control (IPC) activities in intensive care units (ICUs) of different income settings. A cross-sectional study was conducted using an online questionnaire to collect data about IPC and AS measures in participating ICUs. The study participants were Infectious Diseases–International Research Initiative (IDI-IR) members, committed as per their institutional agreement form. We analyzed responses from 57 ICUs in 24 countri…

:Investigative Techniques::Epidemiologic Methods::Data Collection::Surveys and Questionnaires [ANALYTICAL DIAGNOSTIC AND THERAPEUTIC TECHNIQUES AND EQUIPMENT]EpidemiologyIntensive Care UnitInfection controlAmerica:acciones y usos químicos::acciones farmacológicas::usos terapéuticos::antiinfecciosos::antibacterianos [COMPUESTOS QUÍMICOS Y DROGAS]Multidrug resistanceCommunicable DiseasesEnquestesPan drug resistanceCommunicable DiseaseAntimicrobial StewardshipSurveys and QuestionnairesAnti-Bacterial AgentHumansMedicaments antibacterians - Ús terapèuticStewardshipSurveys and QuestionnaireSocietyUnitats de cures intensivesCross-Sectional StudieInfection ControlCross InfectionPreventionPublic Health Environmental and Occupational Health:técnicas de investigación::métodos epidemiológicos::recopilación de datos::encuestas y cuestionarios [TÉCNICAS Y EQUIPOS ANALÍTICOS DIAGNÓSTICOS Y TERAPÉUTICOS]General MedicineMDROAnti-Bacterial AgentsIntensive Care Units:Health Care Facilities Manpower and Services::Health Facilities::Hospital Units::Intensive Care Units [HEALTH CARE]Cross-Sectional StudiesInfectious Diseases:instalaciones servicios y personal de asistencia sanitaria::centros sanitarios::unidades hospitalarias::unidades de cuidados intensivos [ATENCIÓN DE SALUD]:Chemical Actions and Uses::Pharmacologic Actions::Therapeutic Uses::Anti-Infective Agents::Anti-Bacterial Agents [CHEMICALS AND DRUGS]Self ReportMDROsLow- and upper-middle and high incomeHuman
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Fibronectin-binding nanoparticles for intracellular targeting addressed by B. burgdorferi BBK32 protein fragments.

2011

Virus-like particles (VLPs) are created by the self-assembly of multiple copies of envelope and/or capsid proteins from many viruses, mimicking the conformation of a native virus. Such noninfectious nanostructures are mainly used as antigen-presenting platforms, especially in vaccine research; however, some of them recently were used as scaffolds in biotechnology to produce targeted nanoparticles for intracellular delivery. This study demonstrates the creation of fusion VLPs using hepatitis B core protein-based system maintaining a fibronectin-binding property from B. burgdorferi BBK32 protein, including the evidence of particles’ transmission to BHK-21 target cells via caveolae/rafts endoc…

:MEDICINE [Research Subject Categories]virusesBiomedical EngineeringPharmaceutical ScienceMedicine (miscellaneous)BioengineeringPeptideBiologyVirusPlasmidBacterial ProteinsCaveolaeGeneral Materials ScienceDNA Primerschemistry.chemical_classificationBase SequenceVirologyCell biologyFibronectins:NATURAL SCIENCES::Biology [Research Subject Categories]FibronectinchemistryCapsidFibronectin bindingBorrelia burgdorferibiology.proteinMolecular MedicineNanoparticlesIntracellularPlasmidsNanomedicine : nanotechnology, biology, and medicine
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