A31627) according to the manufacturer’s protocol. After washing three times with PBS, the immunostained coverslips were viewed using a Zeiss LSM 510 Meta

confocal microscope with a Plan Apochromat × 63/1.0 water-dipping objective lens. For the uptake experiment of recombinant SpHtp1 proteins, RTG-2 cells were washed three times with HBSS before a 20–30-min incubation with 20 μM recombinant SpHtp124-198(His)6 protein in L-15 medium containing 10% FCS. After washing cells three times with PBS, they were fixed as described above. Fixed cells were washed three times with PBS, permeabilized for 15 min with PBS containing 0.1% Triton-X 100 and washed again three times before incubation with the primary penta-His antibody at 37 °C for 1 h (Qiagen, No. 34660; titre 1 : 300). selleck compound Subsequently, the samples were washed three times with PBS, and incubated Trichostatin A chemical structure at 37 °C for 1 h with the secondary antibody [fluorescein

isothiocyanate (FITC) 488-conjugated goat-anti-mouse immunoglobulin G; Jackson ImmunoResearch] according to the manufacturer’s protocol. The immunostained coverslips were washed again three times with PBS and mounted onto microscope slides. Microscopy was carried out using a Zeiss LSM 510 META confocal microscope (Fluor 488/FITC: excitation is 488 nm, filter settings BP 505-530; detector gain 750. Iodide: excitation is 633 nm, filter settings LP 650; detector gain 540, all PI-1840 1 μm slices). In order to identify and investigate genes of S. parasitica that are expressed in the preinfection and early infection

stages, we set up a cDNA library from RNA isolated from zoospores, cysts and germinated cysts of S. parasitica and generated ESTs. End-sequencing of the cloned cDNA library and subsequent preliminary bioinformatic analysis resulted in the identification of a putative secreted protein with an RxLR motif located within the first 40 aa after the predicted signal peptide cleavage site. The ORF, SpHtp1 (S. parasitica host targeting protein 1), encodes a putative protein, SpHtp1, of 198 aa, of which the first 23 aa encode a signal peptide (Fig. 1a). The RxLR motif is located 22 aa downstream of the predicted signal peptide cleavage site, which is comparable to all known and characterized oomycete RxLR effector proteins (Fig. 1b, Fig. S1). Genome sequencing confirmed that the ORF is present in the genome and revealed an intron of 55 nt long, ranging from 74 nt up to 129 nt. Also, the oomycete conserved sequence motif in the promoter region of SpHtp1 was identified 35 nt upstream of the start codon (Pieterse et al., 1994; McCleod et al., 2004) (Fig. S2). blastp analysis of SpHtp1 yielded sequence similarity only to regions of low complexity in other proteins such as the elicitin 6 precursor proteins of Phytophthora medicaginis, Phytophthora ramorum and Phytophthora sojae (E-values 9e-19, 2e-16, 3e-16 and 52%, 68% and 51% identity, respectively).

When evaluating these trees as representations of the phylogenetic information contained in the respective sequence alignments for each of the aforesaid markers (Table S4), 286 topologies were

consistently rejected with respect to each of the four markers and two further trees (#199 and #210, see Table S3) were rejected by all markers but ftsY. This generally high percentage of rejection demonstrates that the sequence alignments contain sufficient phylogeny-relevant information to generate meaningful 1sKH test results. In contrast to this rather uniform rejection of 288/297 candidate trees, the 1sKH test outcome for the remaining nine topologies represented in Fig. 5 is highly differential with respect to the different markers investigated (Tables 1 and S4). This subset of candidate topologies contains all marker-specific http://www.selleckchem.com/products/bay80-6946.html best trees this website and represents the permutative possibilities of combining a specific internal structure of the Rickettsiella clade (three possibilities) with different phylogenetic relationships between the three genera of Legionellales (three possibilities, see Fig. 5). In particular, topologies #45, #144, and #243 represent an internal Rickettsiella clade structure coincident with both

the currently accepted taxonomy and the above-mentioned phylogenetic reconstruction (Figs 1-4). Importantly, the topologies designated by the 1sKH test as marker-specific best trees, i.e. topologies #45 and #144, display this specific Rickettsiella clade structure (Table 1). Moreover, with respect to this subset of nine candidate topologies, the 1sKH test generates unequally

discriminative results for different markers. Whereas the eight topologies from this subset representing less likely interpretations of the 23S ribosomal RNA gene alignment than the marker-specific best tree (#45) are not rejected by the 1sKH test, the same trees are found significantly worse, i.e. rejected, representations of the concatenated MLST marker sequence data in comparison with the same most likely tree (Table 1). Evaluation of the 16S rRNA and ftsY markers gives rise Thalidomide to intermediately discriminative outcomes. For both protein-encoding markers, 1sKH results are at this level identical irrespective if based on deduced amino acid or filtered nucleotide sequence data (Table 1). Consequently, whereas all sequence data sets considered appear perfectly suitable markers with respect to the generic classification of Rickettsiella bacteria, only the concatenated MLST markers provide sufficient aggregated information to generate a significant infra-generic assignment as evaluated by the 1sKH test.

Primarily this may reflect a declining number of immigrants from high-prevalence regions entering Germany over time. This would have the effect that HIV is increasingly diagnosed in the prevalent pool of ageing migrants in later

stages of HIV infection. Given the high probability of late presentation and a trend towards later presentation in this group, there is clearly a need to identify and lower individual, cultural, and language- and community-related, as well as structural barriers to disease-related knowledge, awareness, and diagnosis in migrant populations in Germany. In the group of patients with IDU, a clear trend towards later presentation was noted. Given the declining number of new diagnoses, this could again reflect increasing diagnosis in an ageing pool of patients. In MSM, click here the probability BTK inhibitor ic50 of late presentation for diagnosis marginally decreased from approximately 45% to just above 40% in 2010. Absolute numbers of reported HIV diagnoses doubled from 2001 to 2010. At the same time, new diagnoses among MSM tripled

and the proportion of younger MSM below the age of 35 years remained high at approximately 50%. This is in agreement with the assumption of a coincidental increase of HIV infection incidence and uptake of HIV testing in MSM in the period 2001 to 2005. This would explain the declining proportion of late presentation for diagnosis until 2005, because the early-diagnosed fraction of the increased number of incident infections would be preferentially reported. With infection incidence levelling off after 2005, an increasing proportion of newly diagnosed infections in recent years would thus represent infections acquired during the previous period of increasing incidence, leading again to a slight Carbohydrate increase in late presentation for diagnosis. Living in smaller cities or rural areas was associated with a higher probability of late HIV diagnosis, although the impact differed among transmission risk groups. Female sex was associated with lower probabilities in heterosexuals and migrants. This has been noted in other European countries and is

thought to be a result of effective antenatal testing [21]. Our results are consistent with those of several studies from other countries such as Italy, France, Spain, Switzerland and the USA, which identified older age and migration status to be among the most important risk factors for late HIV diagnosis. However, many of these studies found other risk factors such as hepatitis coinfection and non-Caucasian ethnicity, probably reflecting epidemiological differences in these countries [4, 9-12, 23-26]. This study also investigated risk factors and trends for late presentation for care in the multi-institutional ClinSurv cohort. In Germany, monitoring of HIV disease is not confined to specialized treatment centres such as those participating in the cohort study.

A spaced HFS paradigm was used to induce non-decremental protein synthesis-dependent LTP in urethane-anesthetized rats (Messaoudi et al., 2002, 2007). As shown in Fig. 1, HFS resulted in a robust and stable increase in the slope of field excitatory postsynaptic potential (fEPSP) and amplitude of the population Epigenetics inhibitor spike (Fig. 1A–C). A second group of rats received HFS following

systemic (i.p.) injection of the competitive NMDAR antagonist, CPP. As previously shown (Williams et al., 1995; Messaoudi et al., 2002), LTP of the fEPSP and population spike was inhibited in CPP-treated rats. No changes in synaptic efficacy were observed in a third group of rats receiving LFS only. As a positive control for NMDAR-dependent gene regulation, we examined expression of immediate-early gene zif268 (also known as Egr1) in homogenate samples from microdissected dentate gyrus (Cole et al., 1989; Havik et al., 2003). At 2 h post-HFS, zif286 mRNA levels

in the HFS-treated dentate gyrus were significantly elevated 2.8-fold above the contralateral, control dentate gyrus (Fig. 1D). This increase was abolished in the CPP group and absent in the LFS group. These results confirmed generation of stable NMDAR-dependent LTP associated with robust changes in gene expression. Microarray expression profiling was performed to screen for LTP-regulated miRNAs 2 h post-HFS. MirVana-purified RNA from the HFS-treated and contralateral control dentate gyrus from two animals was differentially hybridized to rat miRNA chips (MiRat_8.0_060307) representing all miRNA transcripts find more listed in Sanger miRBase Release 8.0. Figure 2A

shows miRNAs exhibiting mean changes of at least 20%. By this arbitrary criterion 10 miRNAs showed increased expression (rno-miRNA-28, -103, -107, -125a, -132, -151*, -212, -320, -485, -543) and 11 miRNAs showed decreased expression (rno-miRNA-17, -19b, -21, -23a, -23b, -138, -181b, -219, -247, -338, -494), of a total of 237 probes on the Carbohydrate chip. Real-time RT-PCR analysis was used for independent validation and further study of three candidate regulated miRNAs (Fig. 2B). In agreement with the array data, miR-132 and miR-212 levels were significantly elevated, while miR-219 levels were significantly decreased at 2 h post-HFS in treated dentate gyrus relative to untreated control dentate gyrus. This regulation was HFS dependent, as no changes in miRNA expression were observed in rats receiving LFS only. We anticipated that blockade of LTP by CPP would eliminate or reduce the changes in miRNA expression. Instead, each of the three miRNAs exhibited enhanced expression when HFS was applied in the presence of CPP. Thus, miR-132 levels were elevated from 1.38-fold in the HFS group to 1.83-fold in the HFS + CPP group, miR-212 levels increased from 1.26- to 1.59-fold, and miR-219 levels flipped from a decrease of 0.68-fold in the HFS group to an increase of 1.27-fold in the HFS + CPP group (Fig. 2C).

9 Each of our two cases occurred in the rainy season, but we should always be reminded that there are seasonal areas such as Texas and year-round Alectinib mw critical areas such as Hawaii.1 The incubation period of murine typhus is 7 to 14 days and many cases are said to be mild. Bernabeu-Wittel and colleagues reported that serious cases accounted for as few as four of 104 reported.10 Many of the symptoms are nonspecific and because there are no distinctive bites found, as in the case of scrub typhus, the organism enters from wounds on human skin via flea feces, and hence it is difficult to diagnose. However, complications of case 1 included liver dysfunction, platelet reduction, and kidney dysfunction, and the patient’s condition

became grave, although antimicrobial treatment was effective. Meanwhile,

case 2, who returned from the same area in the same season and was of the same age, had mild symptoms and tended to improve without antimicrobial agents or treatments. As Southeast Asia is also an endemic area of dengue fever, to consider murine typhus as a differential diagnosis Selleck ZVADFMK is important. Tetracyclines are effective antimicrobial agents and patients are said to improve after about 3 days of treatment, similar to case 1 who improved soon after minocycline administration began. Rickettsial infections are generally considered rare among cases of infectious disease, but as the diagnosis requires antibody and PCR tests, they may be underdiagnosed. Case 1 in this report was identified by PCR with skin specimens from eruptions, which is an important means of diagnosis for difficult cases. As we have reported, rickettsial infections have various symptoms, which differ in seriousness, and it is difficult to know their frequencies. Therefore it is necessary to consider them in the differential diagnoses of patients with fever and to administer appropriate antimicrobial agents DCLK1 as required, because we do believe that most cases of mild murine typhus may be missed in endemic areas

around the world, and especially those with marine resorts. The authors wish to thank Dr. Koichiro Kudo, Director, Disease Control and Prevention Center, International Medical Center of Japan, and Dr. Shinichi Oka, Director, AIDS Clinical Center, International Medical Center of Japan, for their critical review of the manuscript. The authors state that they have no conflicts of interest. “
“We report the case of two brothers who returned from Madagascar presenting all the acute phase symptoms of a primary invasive Schistosoma mansoni infection, together with brain involvement characterized by acute encephalitis. This rarely described issue should be considered in travelers returning from endemic areas with acute neurological symptoms. Schistosomiasis is recognized as being of growing concern for persons traveling to endemic countries.1 Neurological complications of schistosomiasis may occur in the preliminary stages of infection, as well as later on.

agalactiae PAGU 330T (=ATCC 13813T), Streptococcus suis PAGU 580T (=ATCC 43765T), S. dysgalactiae ssp. equisimilis PAGU 375T (=NCFB 1356T) and Streptococcus marimammalium PAGU 780T (=CCUG 48494T). All strains were grown on 5% defibrinated sheep blood agar plates at 37 °C and 5% CO2. Antigens were extracted using the Lancefield procedure (Slotved et al., 2002) and serologically grouped by a capillary precipitation test. Briefly, 0.1 mL of 0.2 N HCl was added to the bacteria pellet, and the acid suspension was placed in a water bath (100 °C) for 15 min. pH was adjusted to 7 by the addition of drops of 0.2 N NaOH. The suspension was centrifuged for 10 min at 1000 g

and the supernatant was transferred (acid antigen extract) to a test tube. When acid antigen extracts were mixed with equal amounts of the antiserum (Statens Serum Institut, Copenhagen, Denmark), they formed insoluble antigen–antibody Selleckchem Forskolin complexes GSK2118436 purchase visible as a precipitate in positive reactions. The organisms were biochemically characterized using the Streptogram (Wako Pure Chemical, Osaka, Japan) and Rapid ID 32 Strep (bioMérieux, Tokyo, Japan) systems, according to the manufacturers’ instructions.

Morphology and hemolysis of the colonies were determined after 24-h incubation on sheep blood agar at 37 °C and 5% CO2. PCR amplification of the 16S rRNA gene sequencing of the purified PCR products was carried out (Kawamura et al., 1999). After confirming amplicons of 16S rRNA gene on 1% agarose gels, the sequence was determined using a BigDye Terminator v3.1 Cycle Sequencing kit (Applied Biosystems, Tokyo, Japan). 16S rRNA gene (>1300 bases) sequences of both strands of the gene were determined using the 3130 Genetic Analyzer (Applied

Biosystems). The sequences of the other streptococci used for alignment and for calculating levels of homology were obtained from GenBank. Multiple Thalidomide sequence alignments of DNA sequences were performed using clustal x software (Thompson et al., 1997). Phylogenetic distances were calculated using the neighbor-joining method (Saitou & Nei, 1987). The phylogenetic tree was constructed using treeview software (Page, 1996). DNA–DNA hybridization was performed, as described by Ezaki et al. (1989). Briefly, purified DNA (100 μg mL−1) of each strain was heat denatured and then diluted to 10 μg mL−1 with phosphate-buffered saline (PBS) containing 0.1 M MgCl2. The diluted DNA solution was distributed onto a microplate (Nunc-Immunoplate, Roskilde, Denmark) at 100 μL per well, and the plate was incubated at 30 °C for 12 h. The solution was discarded and the plate was dried. DNA from group M strains and S. marimammalium CCUG 48494T were labeled with photobiotin (Vector Laboratories, CA). The plate was prehybridized for 30 min and then hybridized for 2 h at 30 °C (optimal conditions) and 40 °C (stringent conditions) using 2 × SSC containing 50% formamide.

agalactiae PAGU 330T (=ATCC 13813T), Streptococcus suis PAGU 580T (=ATCC 43765T), S. dysgalactiae ssp. equisimilis PAGU 375T (=NCFB 1356T) and Streptococcus marimammalium PAGU 780T (=CCUG 48494T). All strains were grown on 5% defibrinated sheep blood agar plates at 37 °C and 5% CO2. Antigens were extracted using the Lancefield procedure (Slotved et al., 2002) and serologically grouped by a capillary precipitation test. Briefly, 0.1 mL of 0.2 N HCl was added to the bacteria pellet, and the acid suspension was placed in a water bath (100 °C) for 15 min. pH was adjusted to 7 by the addition of drops of 0.2 N NaOH. The suspension was centrifuged for 10 min at 1000 g

and the supernatant was transferred (acid antigen extract) to a test tube. When acid antigen extracts were mixed with equal amounts of the antiserum (Statens Serum Institut, Copenhagen, Denmark), they formed insoluble antigen–antibody learn more complexes Obeticholic Acid purchase visible as a precipitate in positive reactions. The organisms were biochemically characterized using the Streptogram (Wako Pure Chemical, Osaka, Japan) and Rapid ID 32 Strep (bioMérieux, Tokyo, Japan) systems, according to the manufacturers’ instructions.

Morphology and hemolysis of the colonies were determined after 24-h incubation on sheep blood agar at 37 °C and 5% CO2. PCR amplification of the 16S rRNA gene sequencing of the purified PCR products was carried out (Kawamura et al., 1999). After confirming amplicons of 16S rRNA gene on 1% agarose gels, the sequence was determined using a BigDye Terminator v3.1 Cycle Sequencing kit (Applied Biosystems, Tokyo, Japan). 16S rRNA gene (>1300 bases) sequences of both strands of the gene were determined using the 3130 Genetic Analyzer (Applied

Biosystems). The sequences of the other streptococci used for alignment and for calculating levels of homology were obtained from GenBank. Multiple Anidulafungin (LY303366) sequence alignments of DNA sequences were performed using clustal x software (Thompson et al., 1997). Phylogenetic distances were calculated using the neighbor-joining method (Saitou & Nei, 1987). The phylogenetic tree was constructed using treeview software (Page, 1996). DNA–DNA hybridization was performed, as described by Ezaki et al. (1989). Briefly, purified DNA (100 μg mL−1) of each strain was heat denatured and then diluted to 10 μg mL−1 with phosphate-buffered saline (PBS) containing 0.1 M MgCl2. The diluted DNA solution was distributed onto a microplate (Nunc-Immunoplate, Roskilde, Denmark) at 100 μL per well, and the plate was incubated at 30 °C for 12 h. The solution was discarded and the plate was dried. DNA from group M strains and S. marimammalium CCUG 48494T were labeled with photobiotin (Vector Laboratories, CA). The plate was prehybridized for 30 min and then hybridized for 2 h at 30 °C (optimal conditions) and 40 °C (stringent conditions) using 2 × SSC containing 50% formamide.

Adequate seroconversion should be confirmed. The development of effective broad-coverage meningococcal B vaccines continues to be challenging see more because of the global diversity of meningococcal B strains coupled with cross-reactivity of the serogroup B capsular polysaccharide with human tissues: at the time of writing, progress towards licensed products in Europe is being made [45].

Vaccination against A, C, Y and W135 is indicated for HIV-positive children prior to travel to endemic regions, especially in association with Hajj pilgrimage to Saudi Arabia. Conjugate vaccines induce longer lasting T cell-dependent immunity at all ages, so quadrivalent conjugated meningitis A/C/Y/W135 vaccine is preferred over the polysaccharide preparations, although there are no published studies comparing the two in HIV-infected children. A multicentre study on the safety and immunogenicity of conjugate A/C/Y/W135 vaccine in HIV-positive 11- to 24-year-olds is Adriamycin chemical structure currently under way [http://clinicaltrials.gov/ct2/show/NCT00459316 (accessed September 2011)]. The 7-valent pneumococcal conjugate vaccine (PCV7), which proved safe and immunogenic in HIV-positive infants and children [46, 47], has now been replaced by the 13-valent (PCV13) or 10-valent vaccine in many European

countries. These should also be immunogenic and safe in healthy and high-risk groups, but the outcomes of specific studies are awaited. HIV-positive children are at greatly increased risk of invasive pneumococcal disease,

Sclareol even when on effective HAART; the risk is substantially reduced by immunization, especially using conjugate vaccines [46, 47]. World-wide, immunization recommendations accommodate this. The policy statement for use of PCV13 for HIV-infected children by the American Academy of Pediatrics in May 2010 [48] is broadly endorsed, although we advise against departure from a two-dose primary series to a three-dose course where individual countries’ routine schedules recommend the former. Guidance for transition from PCV7 to PCV13 is given [48] and if the two- or three-dose primary course plus booster dose does not include at least one dose of PCV13, a supplemental dose of PCV13 is advised. If the primary PCV course was given when the CD4 lymphocyte count was low for age (Table 1), revaccination should be considered following count recovery on HAART, especially if serotype-specific titres are low. Recommendations regarding the 23-valent pneumococcal polysaccharide vaccine (PPV23) are currently inconsistent. Different national advisory groups currently recommend different numbers of doses of PPV for high-risk groups.

Results reveal that stereotaxic injection of LV-miR124a in the DLS enhances ethanol-induced

CPP as well as voluntary alcohol consumption in a two-bottle choice drinking paradigm. Moreover, miR124a-silencer (LV-siR124a) as well as LV-BDNF infusion in the DLS attenuates ethanol-induced CPP as well as voluntary alcohol consumption. Importantly, LV-miR124a, LV-siR124a and LV-BDNF have no effect on saccharin and quinine intake. Our findings indicate that striatal miR124a and BDNF signaling have crucial roles in alcohol consumption and ethanol conditioned reward. “
“Oregon Department of Fish & Wildlife, Department of Microbiology, Oregon State University, Corvallis, OR, USA Flavobacterium psychrophilum is the causative agent of bacterial coldwater Selleck Cabozantinib disease and can cause significant mortality in salmonid aquaculture. To better evaluate disease prevention or treatment methods for F. psychrophilum in the laboratory, a waterborne challenge model that mimics a natural outbreak is needed. Here we report on the development of a waterborne challenge model for F. psychrophilum in which we incorporated variables that may influence challenge success: specifically, scarification prior to bacterial exposure and culture of F. psychrophilum under iron-limited culture conditions to potentially increase the probability

of establishing http://www.selleckchem.com/products/MLN-2238.html disease. Additionally, two F. psychrophilum strains, CSF 259-93 and THC 02-90, were used in this model to test whether there were virulence differences between strains. Mortality was significantly higher in scarred fish than unscarred fish (81.5 vs. 19.4%), supporting the hypothesis that disruptions in the dermal layer enhance mortality in F. psychrophilum waterborne Casein kinase 1 challenges. Although mortality differences were not significant between iron-replete and iron-limited treatments, mortality was high overall (> 30%). There was a significant difference in mortality between CSF 259-93 and THC 02-90 treatments, although both strains caused high mortality in injection challenges. In conclusion, this waterborne challenge model can be used to evaluate potential disease

prevention and treatment methods. “
“We examined O157:non-H7 strains isolated from various sources and geographical locations and found 15/57 strains to carry eae alleles, including α, β, ɛ and κ/δ, suggesting that these strains may be prevalent. All strains were serologically and genetically confirmed to be O157, but none were the H7 serotype or carried any trait virulence factors of the Escherichia coli O157:H7 serotype. Genetic H typing of the eae-positive strains showed that the α-eae-bearing strain was H45, while the β- and ɛ-eae strains were H16 and the κ/δ-eae strains were H39. The β- and ɛ-eae-bearing O157:H16 strains shared ∼90% pulsed-field gel electrophoresis (PFGE) similarity and were distinct from the other strains that had other eae alleles.

Trials in which no response was made (missed targets) were 1.6% in the endogenous predictive, 3.2% in the endogenous counter-predictive and 1.7% in the exogenous task. To explore the nature of facilitation and inhibition, and if these are separate or competing mechanisms, further analyses of the RTs were conducted (for similar analysis, see e.g. Chica et al., 2006). The three

conditions expected (Table 1) to show the slowest RTs in each task were compared (i.e. exogenous cued, endogenous predictive uncued and Compound Library in vitro endogenous counter-predictive cued conditions). Overall the three conditions were significantly different (F2,22 = 4.34, P = 0.047,  = 0.28). More specifically, exogenous cued trials (338.71 ms) were significantly faster (P = 0.001, Bonferroni corrected) compared with endogenous counter-predictive cued trials (450.93 ms). Exogenous cued trials (338.71 ms) were not significantly faster (P = 0.23, Bonferroni corrected) compared with endogenous predictive uncued trials (439.17 ms), although a similar effect size. It can be concluded that exogenous inhibition (IOR) does not inhibit RTs as much as in voluntary inhibition, which may not be surprising. Comparison of the three

conditions predicted to show fastest RTs within their respective tasks were compared to explore the effects facilitation, and these three conditions showed no significant difference (P = 0.41). In particular, the comparison between expected trials in the two endogenous tasks (endogenous predictive cued vs. endogenous counter-predictive Selleckchem BIBW2992 uncued) showed no significant difference

(P = 0.48, Bonferroni corrected) and no sign of IOR for unexpected trials (endogenous predictive uncued vs. endogenous counter-predictive cued; P = 1, Bonferroni corrected). This suggested IOR did not affect or interact with endogenous attention, even when informative cues are presented laterally. Ergoloid Taken together, the behavioural data showed no presence of IOR at expected or unexpected locations. Figure 3 shows ERP waveforms in the exogenous task elicited by tactile target stimuli on cued (black line) and uncued trials (grey line). The attention effect here was present at the N80 component with enhanced amplitude for uncued compared with cued trials at electrodes contralateral (right panel) to target location (marked out on the C3/4c electrode). Figures 4 and 5 show ERP waveforms elicited to targets at expected (black line) and unexpected locations (grey line) in the endogenous tasks. In the endogenous predictive task (Fig. 4), the N80 effect was similar to that in the exogenous task with larger negativity for cued compared with uncued targets at electrodes contralateral to target location. Following on from the N80 there was a P100 attention effect in the endogenous predictive task, present at T7/8 electrodes contralateral to target presentation. In the endogenous counter-predictive task (Fig. 5), the earliest attention effect was also seen at the N80 component.