297 research outputs found
Panton-Valentine Leucocidin-Positive Staphylococcus Aureus Gonarthritis in a Healthy Adult Leads To Fulminant Sepsis with Multiple Metastatic Soft Tissue Infection and Necessity of Extracorporeal Membrane Oxygenation
Background: Infections with Panton-Valentine leucocidin (PVL) positive Staphylococcus aureus ( S. aureus ) are often complicated by necrotizing pneumonia, myositis and osteomyelitis. Case Description: We describe a 50 years old, previously healthy male which presented a severe infection with PVL-positive, methicillin- susceptible S. aureus (MSSA) in his left knee after returning from China. He developed a fulminant sepsis with necrotizing pneumonia, acute respiratory distress syndrome (ARDS), acute renal failure and multiple soft tissue abscesses. Extra-corporeal membrane oxygenation (ECMO) was needed for five days. The patient recovered after multiple surgical interventions and long-term antibiotic treatment and eventually returned to work five months after initial admission. Conclusion: While most staphylococcal skin and soft tissue infections (SSTI) show a favorable outcome, SSTI caused by PVL- positive bacteria can lead to fulminant and fatal disease manifestations. Immunocompetent individuals are equally affected as immunocompromised ones. Early suspicion, surgical intervention with debridement and drainage of abscess formations are of key importance in concert with appropriate antibiotic therapy without delay. Imaging should be done to identify clinically silent foci
Meeting Report: GBIF hackathon-workshop on Darwin Core and sample data (22-24 May 2013)
This is the published version, also available at http://dx.doi.org/10.4056/sigs.4898640.The workshop-hackathon was convened by the Global Biodiversity Information Facility (GBIF) at its secretariat in Copenhagen over 22-24 May 2013 with additional support from several projects (RCN4GSC, EAGER, VertNet, BiSciCol, GGBN, and Micro B3). It assembled a team of experts to address the challenge of adapting the Darwin Core standard for a wide variety of sample data. Topics addressed in the workshop included 1) a review of outstanding issues in the Darwin Core standard, 2) issues relating to publishing of biodiversity data through Darwin Core Archives, 3) use of Darwin Core Archives for publishing sample and monitoring data, 4) the case for modifying the Darwin Core Text Guide specification to support many-to-many relations, and 5) the generalization of the Darwin Core Archive to a “Biodiversity Data Archive”. A wide variety of use cases were assembled and discussed in order to inform further developments
Meeting Report: GBIF hackathon-workshop on Darwin Core and sample data (22-24 May 2013)
This is the published version, also available at http://dx.doi.org/10.4056/sigs.4898640.The workshop-hackathon was convened by the Global Biodiversity Information Facility (GBIF) at its secretariat in Copenhagen over 22-24 May 2013 with additional support from several projects (RCN4GSC, EAGER, VertNet, BiSciCol, GGBN, and Micro B3). It assembled a team of experts to address the challenge of adapting the Darwin Core standard for a wide variety of sample data. Topics addressed in the workshop included 1) a review of outstanding issues in the Darwin Core standard, 2) issues relating to publishing of biodiversity data through Darwin Core Archives, 3) use of Darwin Core Archives for publishing sample and monitoring data, 4) the case for modifying the Darwin Core Text Guide specification to support many-to-many relations, and 5) the generalization of the Darwin Core Archive to a “Biodiversity Data Archive”. A wide variety of use cases were assembled and discussed in order to inform further developments
Meeting Report: GBIF hackathon-workshop on Darwin Core and sample data (22-24 May 2013)
This is the published version, also available at http://dx.doi.org/10.4056/sigs.4898640.The workshop-hackathon was convened by the Global Biodiversity Information Facility (GBIF) at its secretariat in Copenhagen over 22-24 May 2013 with additional support from several projects (RCN4GSC, EAGER, VertNet, BiSciCol, GGBN, and Micro B3). It assembled a team of experts to address the challenge of adapting the Darwin Core standard for a wide variety of sample data. Topics addressed in the workshop included 1) a review of outstanding issues in the Darwin Core standard, 2) issues relating to publishing of biodiversity data through Darwin Core Archives, 3) use of Darwin Core Archives for publishing sample and monitoring data, 4) the case for modifying the Darwin Core Text Guide specification to support many-to-many relations, and 5) the generalization of the Darwin Core Archive to a “Biodiversity Data Archive”. A wide variety of use cases were assembled and discussed in order to inform further developments
Meeting Report: GBIF hackathon-workshop on Darwin Core and sample data (22-24 May 2013)
This is the published version, also available at http://dx.doi.org/10.4056/sigs.4898640.The workshop-hackathon was convened by the Global Biodiversity Information Facility (GBIF) at its secretariat in Copenhagen over 22-24 May 2013 with additional support from several projects (RCN4GSC, EAGER, VertNet, BiSciCol, GGBN, and Micro B3). It assembled a team of experts to address the challenge of adapting the Darwin Core standard for a wide variety of sample data. Topics addressed in the workshop included 1) a review of outstanding issues in the Darwin Core standard, 2) issues relating to publishing of biodiversity data through Darwin Core Archives, 3) use of Darwin Core Archives for publishing sample and monitoring data, 4) the case for modifying the Darwin Core Text Guide specification to support many-to-many relations, and 5) the generalization of the Darwin Core Archive to a “Biodiversity Data Archive”. A wide variety of use cases were assembled and discussed in order to inform further developments
Meeting Report: GBIF hackathon-workshop on Darwin Core and sample data (22-24 May 2013)
This is the published version, also available at http://dx.doi.org/10.4056/sigs.4898640.The workshop-hackathon was convened by the Global Biodiversity Information Facility (GBIF) at its secretariat in Copenhagen over 22-24 May 2013 with additional support from several projects (RCN4GSC, EAGER, VertNet, BiSciCol, GGBN, and Micro B3). It assembled a team of experts to address the challenge of adapting the Darwin Core standard for a wide variety of sample data. Topics addressed in the workshop included 1) a review of outstanding issues in the Darwin Core standard, 2) issues relating to publishing of biodiversity data through Darwin Core Archives, 3) use of Darwin Core Archives for publishing sample and monitoring data, 4) the case for modifying the Darwin Core Text Guide specification to support many-to-many relations, and 5) the generalization of the Darwin Core Archive to a “Biodiversity Data Archive”. A wide variety of use cases were assembled and discussed in order to inform further developments
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Is there sufficient Ensifer and Rhizobium species diversity in UK farmland soils to support red clover (Trifolium pratense), white clover (T. repens), lucerne (Medicago sativa) and black medic (M. lupulina)?
Rhizobia play important roles in agriculture owing to their ability to fix nitrogen through a symbiosis with legumes. The specificity of rhizobia-legume associations means that underused legume species may depend on seed inoculation with their rhizobial partners. For black medic (Medicago lupulina) and lucerne (Medicago sativa) little is known about the natural prevalence of their rhizobial partner Ensifer meliloti in UK soils, so that the need for inoculating them is unclear. We analysed the site-dependence of rhizobial seed inoculation effects on the subsequent ability of rhizobial communities to form symbioses with four legume species (Medicago lupulina, M. sativa, Trifolium repens and T. pratense). At ten organic farms across the UK, a species-diverse legume based mixture (LBM) which included these four species was grown. The LBM seed was inoculated with a mix of commercial inocula specific for clover and lucerne. At each site, soil from the LBM treatment was compared to the soil sampled prior to the sowing of the LBM (the control). From each site and each of the two treatments, a suspension of soils was applied to seedlings of the four legume species and grown in axenic conditions for six weeks. Root nodules were counted and their rhizobia isolated. PCR and sequencing of a fragment of the gyrB gene from rhizobial isolates allowed identification of strains. The number of nodules on each of the four legume species was significantly increased when inoculated with soil from the LBM treatment compared to the control. Both the proportion of plants forming nodules and the number of nodules formed varied significantly by site, with sites significantly affecting the Medicago species but not the Trifolium species. These differences in nodulation were broadly reflected in plant biomass where site and treatment interacted; at some sites there was a significant advantage from inoculation with the commercial inoculum but not at others. In particular, this study has demonstrated the commercial merit of inoculation of lucerne with compatible rhizobia
Armut im Kontext reicher Staaten: zur wissenschaftlichen Operationalisierung eines normativen Begriffs
Eine der Schwierigkeiten bei der wissenschaftlichen Beschäftigung mit dem Themenbereich "Armut" ist der normative Gehalt dieses Konzepts. Das hat unter anderem damit zu tun, dass der Begriff nicht nur in wissenschaftlichen Analysen, sondern auch in der Alltagssprache verwendet und dabei zum Teil deutlich unterschiedlich definiert wird. Vor dem Hintergrund dieser Problematik hat es etliche Versuche gegeben, die wissenschaftliche Definition von Armut stärker an das Alltagsverständnis der Bevölkerung anzugleichen. Dabei zeigt sich, dass theoretisch-konzeptuelle Arbeiten zur exakten Formulierung des sozialen Phänomens "Armut" im Verlauf des letzten Jahrhunderts weit gediehen sind. Die empirische Umsetzbarkeit dieser Überlegungen stößt allerdings nach wie vor auf Grenzen, wie anhand von jüngeren Beispielen der Armutsberichterstattung für den EU- und OECD-Raum gezeigt wird.One of the difficulties in the scientific analysis of poverty is the normative content of this concept. This is not least based on the fact that the notion "poverty" is not only used for scientific purposes, but also by the population at large - with partly profound differences with regard to its interpretation. Against the background of this difficulty, several efforts have been made to adopt the scientific definition of poverty to more closely capture its public meaning. The conceptual-theoretical work to operationalise poverty has gone a long way within the last century. However, there are still quite some difficulties in translating the "new" concepts (which also lead to the establishment of alternative terminologies, e.g. "poverty risk" or "social exclusion") into practice, as is shown regarding recent examples of poverty reports for the region of the European Union and the OECD
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