Six of the programs studied allocated quota directly to communiti

Six of the programs studied allocated quota directly to communities to ensure their ongoing participation in the fishery. For example, dedicating 5% to 20% of the shares to certain communities in British Columbia and Alaska enabled those communities to remain in the fishery (Fig. 12) [27], [132] and [133]. In Alaska, shares are set aside as Community Development Quotas (CDQs),

which require that all fishery earnings further community development. These facilitate investments in education, infrastructure, and fisheries-related industries, thereby easing the transition to catch shares in vulnerable communities [133]. In Roscovitine solubility dmso an alternative model, the Northeast Multispecies Sectors program establishes seventeen cooperatives, each of which can be managed with different community interests in mind. Other community interests can also be aided in retaining quota allocation. For example, processor interests are sometimes addressed through direct compensation, cooperatives, or quota sharing [134]. The loss of part-time fishing jobs can be mitigated partially through

assisting new fisherman entrants in purchasing stakes in the catch share fisheries. Catch share fisheries are also allowed under the MSA to create limited loan funds through cost-recovery fees to help new entrants purchase quota. These programs can help bring fishermen and communities into the fishery that would otherwise not be able to do so [135]. In the Alaska sablefish and halibut fisheries, the North Pacific Loan Program receives approximately $5 million per year for this purpose [104]. Catch shares design can help to limit ownership UK-371804 concentration through regulatory caps. However, fishery concentration is more Tryptophan synthase a result of fishery economics than management system. Changes in the four firm concentration (a commonly used measure of industry concentration measuring the total market share of the top four firms) tend to be minimal in catch shares transitions (Fig. 13). Most concentrated fisheries either remain stable or experience negligible concentration gains (e.g., less than 6% in the New Zealand deepwater and Atlantic surf clam fisheries). The most concentrated catch share fisheries are

the same fisheries that were the most concentrated under traditional management (e.g., the New Zealand deepwater, New Zealand mid-water, the SCOQ fisheries, and others), maintaining their pre-catch shares concentrations of between 50% and 70% [14], [56], [65], [76], [83] and [136]. Overall, concentration is focused in fisheries with major economies of scale, independent of management approach. Fisheries requiring large capital investments in vessels or equipment tend to provide greater returns to the most efficient operators, reducing the number of owners even before catch shares. For example, the SCOQ fishery requires major investment in large dredge vessels, resulting in high ownership concentration even under traditional management.

, 1996), and broaden-and-build theory (Fredrickson, 1998 and Fred

, 1996), and broaden-and-build theory (Fredrickson, 1998 and Fredrickson, 2001) to develop and test a model that accounts for individual-level information seeking behaviour, and the contingencies that lead to information seeking as a form of procrastination. Information processing styles, typically characterised as tendencies to use analytical or intuitive (heuristic)

approaches to choice (Dane & Pratt, 2007) influence decision processes and outcomes. Analytical processes are required for Talazoparib research buy novel, complex problems whereas intuitive or heuristic processes are applied to numerous daily choices (Bargh et al., 1996 and Epstein et al., 1992). Theories of analytical and heuristic thinking rest on the dual-process concept which proposes two parallel, interactive

systems of thinking (Epstein, 1990 and Epstein et al., 1996). System 1 is intuitive, affect-laden and rapid. System 2 is cognitive, resource intense and requires time. Both systems yield positive outcomes. Analytical thinking is associated with effective decision making due to logical reasoning and fewer decision biases (Stanovich & West, 2002), and ability to focus on important aspects of information relevant to decisions rather than non-relevant contextual information (McElroy & Seta, 2003). Intuitive thinking is associated with expertise (Dreyfus & Dreyfus, 2005) and effectiveness in solving everyday problems (Todd & Gigerenzer, 2007). While the dual-process model has universal application, the extent to which System 1 and System this website 5-FU 2 are applied, and the situational contingencies that influence their use, are subject to individual differences (Epstein et al., 1996). Therefore, theories that rest on dual-process modelling need to take

into account individual-level antecedents and moderating factors. Employing this approach, Griffin et al. (1999) developed the risk information seeking and processing (RISP) model. They proposed information seeking is driven by individual differences in perceived information sufficiency, and continues until the point of sufficiency is reached. Griffin et al. (1999) placed information seeking and information processing together as the dependent variables in their model, and proposed that they combine to produce four decisions styles relating to routine/non routine and heuristic/systematic processing. However, recent research into decision processes, also building on dual process models, has added a second information processing style: regulatory processes that influence whether a decision should be made immediately or delayed Dewberry, Juanchich, and Narendran (2013a) proposed both cognitive information processing (rationality vs. intuition) and regulatory information processing have direct effects on decision outcomes. For example, when faced with a decision about whether to eat food that could harbour harmful bacteria, there are choices about whether to go with past experience, i.e.

, 2007) At present, bridging the organism-population gap seems o

, 2007). At present, bridging the organism-population gap seems only feasible through use of population models as demonstrated for Arctic cod, capelin (Mallotus villosus), and herring (Clupea harengus) by Hjermann et al. (2007) and for northern shrimp (Pandalus borealis) by Ravagnan et al. (2010), or by employing a risk assessment approach. Beyer et al. (2012) performed a risk assessment for effects of C4–C7 APs in PW on three economically important fish populations on the NCS: Atlantic cod, haddock,

and saithe (Pollacius virens), based on fish distribution data, hazard information of APs in PW, data on PW discharges, and plume dispersion described by the exposure and risk model DREAM ( Reed and Hetland, 2002 and Reed et al., 2001). Their conclusion was that the environmental exposure to C4–C7 APs from Cyclopamine mw PW is too low to have any significant effect on the reproduction of fish stocks. Neff et al. (2006) and Durell et al. (2006) came to the same conclusion regarding the risk from PAHs in PW to the wider pelagic ecosystem in the NS when combining dispersion modeling by DREAM and PAH

measurements in passive samplers (SPMDs) and caged mussels. Smit et al. (2009) described a systematic relationship between sub-individual and individual sensitivity to oil from SSDs for DNA damage and oxidative stress biomarkers in 6 marine species and similar SSDs for whole-organism chronic fitness in 26 marine species. On average the selected biomarkers were a factor 35–50 more sensitive than the whole-organism response. The results implied that the 95% safety level (the lower 5 Alectinib concentration percentile or HC5, commonly used as PNEC in risk assessments), for whole-organism exposure to total hydrocarbons would safeguarded only 86% of the species from genotoxic damage and Protein kinase N1 79% from oxidative stress. The authors stress that their data were insufficient to support this as a general

relationship, but data from Bechmann and Taban, 2004, Bechmann et al., 2004, Buffagni et al., 2010 and Carls et al., 1999, (Hansen et al., 2011), Heintz et al., 2000, Jonsson and Björkblom, 2011, Pinturier et al., 2008 and Sanni et al., 2005, and Stien et al. (1998) provide supporting evidence from a wider range of sub-tropical to high-arctic species of fish and invertebrates that the whole organism responses are less sensitive to oil than biomarker responses. Smit et al. (2009) present a conceptual model suggesting further reduction in sensitivity as one moves up to the population level. This would concur with the idea that environmental factors governing the health and performance of a population, may override toxic effects on parts of the population. The studies above cover sensitivity to oil, but the authors suggest that the relationship may be valid for PW as well. If that is the case, it is even more unlikely that wide scale population effects should occur when individual effects are only seen locally.

However, the production and handling of these nanophotonics struc

However, the production and handling of these nanophotonics structures is costly and serial by nature. Since molecules are not specifically placed in the centre of the structures, they experience varying levels of fluorescence

quenching due to the distribution of distances to the metallic walls yielding heterogeneous signals. Instead of physically suppressing the light field around the BIBF1120 fluorophore by means of metals, an alternative approach is to locally enhance fluorescence using optical antennas (Figure 3d) [43]. The interaction of metal nanostructures with fluorescent dyes is very complex and can involve fluorescence increase by increasing the local excitation field and the radiative rate of the fluorescent dye. On the other hand, fluorescence can also be quenched and the energy be absorbed by the metal Ponatinib nmr nanostructures. More and more reports in recent years have indicated the specific requirements to achieve fluorescence enhancements of up to more than 1000-fold [44]. To exploit this approach for single-molecule assays a reproducible control of the enhancement hot-spots, for example, by the arrangements of noble metal nanoparticles is required. In addition, a handle is essential to place the single-molecule assay of interest in the hot-spot created by the nanoparticle. We anticipate

that DNA origami structures [45 and 46] can represent the scaffold to which not only Montelukast Sodium nanoparticles but also docking sites for single-molecule assays can be attached. DNA origami are self-assembled 2D and 3D nanostructures based on the single-stranded DNA genome of bacteriophage M13 that is folded with the help of hundreds of short oligonucleotides called ‘staple strands’ [45]. Crucially, these nanoassemblies allow a spatially defined arrangement of functional entities like for example biotins,

nanoparticles or docking strands for biomolecular assays [47, 48 and 49]. This has recently been exploited in the form of DNA origami with the shape of a nanopillar [50••]. Nanoparticle dimers attached to the DNA origami act as an antenna and focus the light in their centre where a single-molecule assay might be attached by further protruding DNA strands. At a gap of 23 nm that might be sufficient to place, for example, an enzyme a fluorescence enhancement of up to 100-fold could be obtained. Since the created hot-spots are ultra-small the enhancement is restricted to the molecules in the hotspot and additional labelled species (even present at elevated concentrations) in the surrounding solution vanish compared to the increased signal in the hot-spot. This opens the possibility to solve the concentration issue and allow single molecule assays at elevated concentrations.

Adhesion during the epiphytic stage is necessary not only for spo

Adhesion during the epiphytic stage is necessary not only for spore germination, but also establishment of a successful parasitic interaction ( Lu et al., 2004). The higher the inoculum concentration and more durable leaf wetness, the greater the fungal sporulation and damage ( Guyot et al., 2005). Plant scales are related to the fungal adhesion mechanism, favouring conidial and hyphal adhesion, so are involved in the plant–pathogen interaction process. It was observed that scales acted as focal points for adhesion of conidia and hyphae and bases for further growth ( Fig. 1E). These results indicate

that scales can function as a natural spore trap, favouring the epiphytic Venetoclax purchase stage and establishment of infection. This suggests that the differences in fusariosis infection of cv. Vitoria and other pineapple cultivars are in part due to more hostile environment in the pre-penetration (epiphytic) stage, and that scales can be considered a potential factor in the incidence of disease, in that scales may be associated with providing humidity Selleckchem ATM/ATR inhibitor and nutrients for spore germination following injury. In summary, consideration of scale number and density can provide important information on the ecology

of the pathogen and disease epidemiology and integrate into control strategies. The authors would like to thank the Departamento de Fisica (UFES) and Laboratório de Biologia Celular e Tecidual (LBCT/UENF) for technical assistance with the electron microscopy. Financial support was provided by CAPES (Coordination of Improvement of Higher Education Personnel), CNPq (National PLEK2 Council for Scientific and Technological Development), FINEP (Research and Projects Financing Agency) and FAPES (State of Espirito Santo Science and Technology Foundation). “
“Event Date and Venue Details from 2011 4th INTERNATIONAL WORKSHOP FOR PHYTOPHTHORA, PYTHIUM AND RELATED GENERA; SYSTEMATICS, DETECTION,DATABASES, ECOLOGY 23–28 May College Park, MD, USA G. Abad E-mail: [email protected]

63rd INTERNATIONAL SYMPOSIUM ON CROP PROTEC-TION 24 May Ghent, BELGIUM G. Smagghe E-mail: [email protected] Fax: 32-09-264-6249 Voice: 32-09-264-6010 Web: http://www.iscp.ugent.be/index.php 2nd ARGENTINE CONGRESS OF PLANT PATHOLOGY 26–28 May Mar del Plata, BA, ARGENTINA A. Ridao E-mail: [email protected] INSECT PATHOGENS AND ENTOMOPATHOGENICNEMATODES 19–23 June Innsbruck, AUSTRIA H. Strasser, BIPESCO TeamInnsbruck, Univ. Innsbruck, Technikstrasse 25, 6020 Innsbruck, AUSTRIA E-mail: [email protected] Web: http://www.uibk.ac.at/bipesco/iobc_wprs_2011/ 2nd ENTOMOPHAGOUS INSECT CONFERENCE 20-23 June Antibes, FRANCE E. Wajnberg, INRA, BP 167, 06903 Sophia Antipolis, FRANCE Fax: 33-4-92-38-6557 Voice: 33-4-92-38-6447 E-mail: [email protected] Web: http://tinyurl.com/2c5799s 3rd INTERNATIONAL SYMPOSIUM ON ENVIRON-MENTAL WEEDS & INVASIVE PLANTS (Intractable Weeds and PlantInvaders) 02–07 October Ascona, SWITZERLAND C.

7% was error variance ( σerror2), which includes the variance due

7% was error variance ( σerror2), which includes the variance due to rater unreliability. The calculation of the intraclass correlation coefficient for absolute agreement between raters yielded an ICCa,1 of 0.943, which indicates excellent interrater reliability. 48.1% INK 128 order of the variance can be attributed to score differences between residents, while 45.5% is attributable to score differences between consultations. This variance component represents genuine residents-by-consultation-interaction variance. The inconsistency coefficient for all consultation combinations was

0.482. The correlation between the average score of the first and second consultations and the inconsistency score (R0,inconsist) was almost zero (−0.044) for all consultation combinations. The mean of score differences Rapamycin between the first and

second consultations, indicated by μ  dif, did not differ between the similar and dissimilar consultation combinations (0.030 and −0.533, t   = 1.31, df   = 48, p   ≥ .05). However, the distributions of inconsistency scores differed significantly between the similar and dissimilar consultations (Mann–Whitney U   test, p   < .05). The variance components also differed significantly between the similar and dissimilar consultation combinations. In the similar consultation combinations, the major proportion of variance (65.1%) was linked to differences between residents ( σresidents2), while in the dissimilar consultation combinations, the major proportion of the variance (67.5%) was linked to differences in residents’ performance between consultations during ( σresid×consult2). Thus, the inconsistency coefficients ( Rinconsist2) of the similar and dissimilar consultation combinations were also different (F = 16.41, p < .01). The Spearman correlation coefficient between the average score of the first and second consultations and the inconsistency scores (R0,inconsist) was significant for the dissimilar consultation combinations (−0.538), but not for the similar consultation combinations (0.111). CST background had a significant effect on the average scores of all consultation combinations (Table 3, η2 = 0.243, F = 7.53,

p < .01). However, the CST background effect was only present in the BBN consultations (η2 = 0.433, F = 9.93, p < .01) and in the PMD consultations (η2 = 0.209, F = 3.83, p < .05). CST background had no effect on the performance in the other consultations and had no effect on the inconsistency scores in any of the consultation combinations (Mann–Whitney U tests). Reliability and generalizability studies consider performance inconsistency between consultations as a measurement error. However, physicians are expected to communicate equally well in all consultations. Adequate communication in some consultations but mediocre or inadequate communication in others is unacceptable. In this study, we thus explored the inconsistency of residents’ communication performance in challenging consultations.

The hydrological droughts on daily time scale at low truncation l

The hydrological droughts on daily time scale at low truncation levels

such as Q90, Q95 have Lumacaftor order also been attempted on non-stationary daily flows using the frequency analysis of observed durations and magnitudes (Zelenhasic and Salvai, 1987 and Tallaksen et al., 1997). Although the assessment and prediction of meteorological droughts on weekly time scale have been practiced using the Palmer Drought Severity Index (PDSI) or Standardized Precipitation Index (SPI), in literature only a few studies on the modeling of hydrological droughts on weekly time scale have been reported. The analysis of hydrological droughts on weekly time scale is desirable because effects of droughts are more palpable in agricultural production, municipal water supplies, small-scale hydro generation etc. The development of suitable predictive and assessment tools for hydrologic droughts at weekly time scale would be useful in managing available water resources

and off-setting effects of droughts. This paper attempts to develop suitable methodology to analyze and predict hydrological droughts at weekly time scale. The paper also embodies the results of drought models for comparative purposes at annual and monthly time scales in Canadian BYL719 streamflows. It has been observed (Bonacci, 1993, Woo and Tarhule, 1994, Sharma, 1997 and Sharma, 2000) that in general the drought intensity (I, i.e. MT = I × LT) is poorly Bay 11-7085 correlated to LT. In view of a poor correlation (i.e. near independence) between these

two entities, the above relationship can be expressed in terms of expectations as E(MT) = E(I) × E(LT), which allows the prediction of drought magnitude with a priori knowledge of drought length. The drought intensity (I) can be modeled satisfactorily by the truncated normal distribution of SHI values which are laying below the truncation level. The modeling of drought length or duration (LT) is therefore essential in addressing the issues related to hydrological droughts. In the past, the theorem of extremes of random numbers of random variables ( Todorovic and Woolhiser, 1975; referred to hereafter as the extreme number theorem) has been used to model LT on annual flow series ( Sen, 1980a, Sharma, 1997, Sharma, 1998, Sharma, 2000, Panu and Sharma, 2002 and Panu and Sharma, 2009) and monthly flow series ( Sharma and Panu, 2008). Further, Sharma and Panu (2010) noted that the above theorem breaks down when the SHI sequences are strongly dependent (i.e. lag-1 autocorrelation being above 0.50) to the first order and/or extend to the second or higher order dependence (in case of weekly time scale). The monthly and weekly SHI sequences exhibit this tendency when the rivers are originating in lakes or passing through them. Under these circumstances, a second order Markov chain model tends to recover the analysis for modeling LT.

67% of the patients included were on prophylaxis Nevertheless,

67% of the patients included were on prophylaxis. Nevertheless,

re-admissions in this sub-group were not statistically significantly different from those not on prophylaxis. It is possible that no significance was found owing to a lack of statistical power based on the small number of patients included in the study. It was not possible to evaluate in this study if SBP patients on proton pump inhibitors had a higher rate of SBP than those who were not. In further studies this should be assessed. The fact that the study was retrospective, made it more difficult to analyze certain variables, as data was missing in some patients files. Patient search and selection was limited to patients with SBP SB431542 in vivo diagnosis, based on the CDI-10 classification, by the time of discharge or BIBW2992 chemical structure death. There might have been more patients in whom this diagnosis was not done or who were not correctly codified. The authors have no conflict of interest to declare. The authors would like to thank Rui Medeiros for the statistical analysis done. “
“A bactéria Clostridium difficile (C. difficile), um bacilo gram positivo, anaeróbio, formador de esporos e produtor de toxinas patogénicas (A e B) é responsável pela quase totalidade dos casos de colite pseudomembranosa (CPM) e por até 20% dos casos de diarreia associada aos antibióticos sem colite 1 and 2.

É a causa mais comum de diarreia nosocomial nos países desenvolvidos e, desde 1980, a sua incidência, morbilidade e mortalidade a nível mundial têm aumentado 3, 4 and 5. Recentemente, uma nova estirpe (BI/NAP1/027) produtora de uma toxina binária e resistente às quinolonas, emergiu como responsável por vários surtos no Canadá

e EUA 6. Dados recolhidos desses surtos referiam taxas de incidência 4 vezes e meia superiores às taxas históricas e um aumento de 5 vezes na mortalidade 7. Na Europa, esta estirpe http://www.selleck.co.jp/products/Verteporfin(Visudyne).html já foi detetada em 16 países, com 9 deles a reportarem surtos 8. Os fatores de risco mais consistentemente associados ao desenvolvimento da doença são a antibioterapia prévia, a idade avançada (especialmente acima dos 60 anos de idade) e o tempo de hospitalização9 and 10. Apesar de qualquer antibiótico poder estar implicado, os mais frequentemente envolvidos são a clindamicina, as cefalosporinas de terceira geração e as penicilinas de largo espetro4. Recentemente, as quinolonas têm vindo a assumir um papel preponderante11. Outros fatores de risco que têm sido descritos são a gravidade das comorbilidades, a entubação nasogástrica, a supressão da acidez gástrica, a permanência em Unidade de Cuidados Intensivos (UCI) e a exposição a estados imunossupressivos (transplantação, síndrome de imunodeficiência adquirida, doença inflamatória intestinal e neoplasias)12. O espetro da lesão provocada por esta bactéria engloba o portador assintomático, a diarreia associada aos antibióticos, a CPM e a colite fulminante2. Cerca de 3-8% dos doentes com infeção por C.

However, uncertainties were relatively high during low flow seaso

However, uncertainties were relatively high during low flow seasons, which can be seen as a model deficiency in simulating groundwater flow ( Rostamian et al., 2008). The model performance metric values in Table 3, and P-factor, and R-factor indicate the model is reliable in simulating Brahmaputra basin streamflow. Graphical comparisons of observed and simulated streamflow at a monthly scale for calibration (1988–1997), validation (1998–2004), and baseline (1988–2004) periods are shown in Fig. 3. In general, the model accurately tracked the observed streamflow for the time periods, although some selleck inhibitor peak flow months were underpredicted during calibration, but the under-prediction was less during validation,

possibly due to less temporal variability in the precipitation. Monthly flow statistics in Table 3 suggest a strong correlation between simulated Selleckchem PLX3397 and observed streamflow in all three periods. The NS coefficients for simulated streamflows were 0.85, 0.88, and 0.73 for the calibration, validation, and baseline periods, respectively. These coefficients suggest that model performance for monthly streamflow was relatively better than daily. The model underpredicted streamflows for the calibration and validation periods by 3.2% and 4.4%, respectively. The regression lines and sum difference plots reveal that the underprediction occurred primarily during higher flows (Fig. 3b, c, e, and f). Literature suggests that SWAT

is not designed to simulate extreme events and the model usually underpredicts the largest flow events (Chu Aurora Kinase and Shirmohammadi, 2004 and Tolson and Shoemaker, 2004). However, a positive bias for simulated streamflow of 2.9% was noticeable for the baseline. The notable 1999 overprediction of peak flow may have contributed to this positive bias in simulated streamflow. Overall, the SWAT model was able to simulate well the actual hydrological conditions in the Brahmaputra basin. Ten sensitive parameters were used to calibrate the model (Table 1). These parameters primarily represented surface runoff, groundwater, snow, ET, and the routing process for the basin’s hydrology.

The values for the following parameters were found to be commonly used in other studies to calibrate the SWAT model: CN2 (SCS runoff curve number for moisture condition II), ESCO (soil evaporation compensation factor), ALPHA_BF (baseflow alpha factor), SLSUBBSN (average slope length), GWQMN (threshold depth of water in the shallow aquifer required for return flow to occur), and GW_REVAP (ground revap coefficient) (Cibin et al., 2010, Ghaffari et al., 2010, Heuvelmans et al., 1999, Mutenyo et al., 2013 and Wu et al., 2012a). While the final fitted values were optimized by the automatic calibration algorithm SUFI2, the values were checked for correspondence to the basin characteristics and their underlying hydrological processes. The average CN2 value was 61. The baseflow alpha factor value of 0.

All previous studies that reported a costimulatory role of this m

All previous studies that reported a costimulatory role of this molecule were based on the use of monoclonal antibodies to trigger the CD150 molecule on T cells (Cocks et al., 1995, Aversa et al., 1997 and Howie et al., 2002). CD150 is a self-ligating molecule and no other binding partners have been described. Thus, we wanted to analyze whether the costimulatory effect was also observed upon engagement of T cell-expressed CD150 with its natural ligand. Therefore, we generated stimulator cells expressing CD150 in conjunction with anti-CD3. When co-culturing these stimulator cells with human T cells, no significant contribution of this interaction

to T cell proliferation RG7204 datasheet and cytokine production was observed (Fig. 5B,C). In some of our experiments reduced proliferation rates of human T cells were observed in the presence of human CD150 but additional experiments are required to

confirm that CD150 can function as a negative regulator of T cell responses. During APC–T cell interaction www.selleckchem.com/products/Cisplatin.html a complex interplay of numerous cell surface molecules modulates cellular immune responses by either enhancing or inhibiting T cell receptor complex signalling. Thus, assessing the function of individual costimulatory ligands using natural APC is a difficult task. With our T cell stimulator cells we have generated an experimental tool for studying individual costimulatory ligands in a cellular system, but detached from the context of numerous other molecules involved in the regulation of T cell activation that are expressed on professional APC. Whereas similar cellular systems that have been termed artificial APC (aAPC)

use cells engineered to express Fc-γ receptors (CD32 or CD64) and depend on the addition of anti-CD3 antibodies (Thomas et al., 2002, Suhoski et al., 2007 and Gong et al., 2008) we used cell lines that stably express membrane-bound anti-CD3 antibody fragments. Using different anti-CD3 expression constructs we have generated Rucaparib two cell clones that stably express different levels of anti-CD3 antibody fragments: A construct where the anti-CD3 antibody fragments are linked to the transmembrane domain of human CD28 molecules yielded Bw-aCD3low stimulator cells that give a weak signal 1 to human T cells, whereas a construct encoding anti-CD3 antibody fragments fused to the human CD14 molecule was used to generate cells expressing high levels of GPI-anchored anti-CD3 antibody fragments (Bw-aCD3high; Fig. 1). The GPI-anchored anti-CD3 antibody fragment is efficiently targeted to lipid rafts and has also successfully been used for the stimulation and manipulation of human T cells with immunosomes — virus-like particles decorated with TCR/CD3 ligands, costimulatory molecules and modified cytokines (Derdak et al., 2006, Kueng et al., 2007, Leb et al., 2009 and Kueng et al., 2010).