[14] This study sheds light on the knowledge gap that exists amon

[14] This study sheds light on the knowledge gap that exists among these FBT. While they are well supported in terms of health advice services, their risk knowledge could certainly be improved. The most urgent intervention is required to address the underestimation of influenza and dengue fever, and to educate employees about appropriate preventative measures. The worldwide spread of the SARS virus in 2003 served to highlight that insufficient awareness among travelers can drive the global outbreak of a disease.[15] Travel preparation should consequently

be encouraged to commence earlier than seen in our data to allow for an adequate time period to complete any necessary travel MG-132 order preparation. With the continuing increase in both global business and leisure travel, we urge a greater evidence base for traveler-specific risk for infectious diseases to be developed, thus facilitating research that could have substantial implications for the future management of global infectious disease transmission. No grants or other financial support were received to conduct the study. The manuscript has been seen and approved by all authors, who accept full responsibility Erismodegib for the content. The authors had full access to the data and their analysis, as well as drafting the article or editing an author’s

draft. The authors state that they have no conflicts of interest. “
“Background. Travelers’

diarrhea (TD) remains a frequent travel-associated infection. Between 4 and 32% of enteric infections were followed by a postinfectious irritable bowel syndrome (pIBS) with long-term sequelae in various settings. Travel-related IBS incidence rates are based on small studies and IBS predictors have not been sufficiently evaluated. Methods. Adult travelers to resource-limited destinations participated in a prospective questionnaire-based cohort study. Demographics, travel characteristics, and medical history were assessed and those with functional or organic gastrointestinal disorders were excluded. Immediately after return from abroad, the volunteers completed a second questionnaire on TD, other health impairments, and on nutritional hygiene. Six-months post-travel, a follow-up others questionnaire assessed IBS based on Rome III criteria. Risk factors were analyzed by multiple logistic regression. Results. Among a total of 2,476 subjects analyzed (participation rate 72.4%), 38 (1.5%) developed new IBS, and the 6-month incidence rate for pIBS was 3.0% (95% CI 1.9–4.2) following TD. Significant risk factors were TD during the surveyed journey (OR 3.7; 95% 1.8–7.4), an adverse life event experienced within 12 months pre-travel (OR 3.1; 1.4–6.8), and a diarrheal episode experienced within 4 months pre-travel (OR 2.7; 95% CI 1.3–5.6).

Similar to P176, no significant binding by any rScl protein was d

Similar to P176, no significant binding by any rScl protein was detected for fibrinogen, decorin, heparin, collagens type I, and IV (data not shown). In general, the recombinant rScl1 constructs, derived from Scl1 proteins, bound cFn and Lm (Fig. 4a), while the Scl2-protein-based constructs

P163, P177, and P178 were ECM-binding negative. Furthermore, none of the rScl1 proteins tested bound pFn, which is in agreement with our previous reports showing that those rScl1 proteins did not bind pFn from human plasma by affinity chromatography (Han et al., 2006a; Caswell et al., 2008b). All LDL-binding constructs derived from Scl1 proteins PD0332991 order of the M1-, M28-, M41-, M12-, M2-, and M52-type GAS (Han et al., 2006a) showed ECM binding, although to varying degrees. However, the CFH/CFHR-1-binding rScl1s originating from the M6- and M55-type GAS (Caswell et al., 2008b) did not show any significant binding to ECM ligands. In order to determine the region of Scl1 responsible for binding

to ECM proteins, an ELISA was performed using chimeric rScl constructs generated by domain swapping (Fig. 4b). We used two types of chimeric molecules: (1) derived from the ECM-binding positive (+) construct P144 (Scl1.1 of M1-type GAS) and the ECM-binding negative (−) construct P177 (Scl2 of M4-type GAS) and (2) constructs derived from the ECM-binding positive P144 and the ECM-binding negative P179 (Scl1 of M6-type GAS). The rScl1 (+)–rScl2 (−) chimeric construct P183 (P144V/P177CL), but not P184 (P177V/P144CL), bound cFn and Lm. Likewise, the rScl1 (+)–rScl1 (−) chimeric construct P213 (P144V/P179CL), but not P212 (P179V/P144CL), Metformin datasheet bound cFn and Lm. These data strongly indicate that, indeed, the Scl1-V region is responsible for mediating interactions with ECM proteins. The present and previous results underscore the functional diversity of the Scl1-V region. Of particular interest to us is the emergence of two main binding patterns Amrubicin among Scl1 variants. The more common pattern includes binding of plasma LDL and ECM components cFn and Lm, which may represent an intriguing adaptation of Scl1 to either the blood or the tissue environment. Our previous molecular evolutionary genetic analysis

identified an elevated constraint of the Scl1-V region sequence, suggesting that this region responds to selective pressure (Lukomski et al., 2000). Inasmuch as the amino acid sequence in the V-region differs between Scl1 proteins of different M-types, the prediction of two α-helices (Rasmussen et al., 2000; Han et al., 2006a) and the globular structure of the Scl1-V domain (Xu et al., 2002; Han et al., 2006b) seem to be conserved among all Scl1 proteins. The present work provides a platform for future investigations that will determine the Scl1-ECM-binding affinities and identify the specific amino acid sequences or structural motifs of Scl1 variants that constitute the molecular basis for the Scl1-ligand (ECM, LDL, and CFH) recognition. We thank S. Beres for providing plasmid pSB027.

, 2007) The spa types evolve by a combination of faster changes

, 2007). The spa types evolve by a combination of faster changes in the number of repeats and slower nucleotide point mutations (Brígido et al., 1991; Koreen et al., 2004). By slipped-strand mispairing during DNA replication (van Belkum, 1999), spa types seem more prone to deletions and duplications than to point mutations (Koreen et al., 2004; Kahl et al., 2005). During repeated subculturing, the repeat region of the spa gene proved to be very stable (Frénay et al., 1996), and sequencing of DNA from the same isolates in 10 different laboratories resulted in 100% reproducibility (Aires-de-Sousa et al., 2006). Few studies have addressed the question of how often and how fast spa types change in vivo in the patient or carrier

(Kahl et al., 2005; Kuhn et al., 2007; Sakwinska et al., 2010). Copenhagen is an area with low prevalence of methicillin-resistant

Staphylococcus aureus (MRSA) but with high variability of their spa types (Bartels et al., 2007). Since 2003, spa typing drug discovery has been used in our department for outbreak investigation and identification of transmission routes of MRSA and to study the relationship between the different types. The aim of this study was to elucidate how often changes in the repeat region of the spa gene of MRSA occur over time, based on the analysis of repeated findings of MRSA from the same individual. The Department of Clinical Microbiology, click here Hvidovre Hospital, services four of the five hospitals in Copenhagen and receives all microbiology samples from general practice in the Copenhagen and Frederiksberg Municipality (population 597 000). In the 5-year period 2003–2007, a total of 1843 MRSA isolates from 626 patients were spa typed (2003, 32; 2004, 137; 2005, 582; 2006, 662; 2007, 430). Of these patients, 307 had one isolate while 319 contributed with two or more MRSA isolates (1536 isolates in total from the 319 patients). The isolates

were from infections and carriage sites. Anidulafungin (LY303366) Staphylococcus aureus isolates were identified by positive Staphaurex (Remel Europe Ltd, Dartford, UK) and a positive coagulase test. Susceptibility testing was performed on Isosensi test agar by the disk-diffusion method (antibiotic disks; Oxoid, Basingstoke, UK) according to recommendations of the Swedish Reference Group for Antibiotics (http://www.srga.org). Isolates were screened for resistance to methicillin by a cefoxitin 10-μg disk. All MRSA isolates were confirmed mecA positive by PCR. Sequencing of the repeat region of the staphylococcal protein A gene (spa typing) was performed essentially as described (http://www3.ridom.de/staphtype/spa_sequencing.shtml). Sequence reactions were performed on both DNA strands and analyzed on an ABI Prism 3130XL (Applied Biosystems, Foster City, CA). For PCR and sequencing of the spa gene, primers 1113F (5′-taaagacgatccttcggtgagc-3′) and 1514R (5′-cagcagtagtgccgtttgctt-3′) were used. Designation of spa type was conducted using the ridomstaphtype software (Ridom GmbH, Würzburg, Germany) (Harmsen et al.

These findings provide a conceptual framework that interneurons s

These findings provide a conceptual framework that interneurons serve as a key regulator of initiating sequential spike activity. “
“Dendritic spines form the postsynaptic half of the synapse but how they form during CNS development remains uncertain, as are the factors that promote their morphological and physiological maturation. One hypothesis posits that filopodia, long motile dendritic processes that are present prior to spine formation, are the precursors to spines. Another hypothesis posits that they form directly from the dendritic shaft. We used microphotolysis of caged glutamate to

stimulate individual dendritic processes Erastin in young hippocampal slice cultures while recording their morphological and physiological responses. We observed that brief trains of stimuli delivered to immature www.selleckchem.com/products/Bleomycin-sulfate.html processes triggered morphological changes within minutes that resulted, in about half of experiments, in a more mature, spine-like appearance such as decreased spine

neck length and increased spine head width. We also observed that glutamate-induced inward currents elicited from immature processes were mostly or entirely mediated by NMDARs, whereas responses in those processes with a more mature morphology, regardless of actual developmental age, were mediated by both AMPARs and NMDARs. Consistent with this observation, glutamate-induced morphological changes were largely, but not entirely, prevented by blocking NMDARs. Our observations thus favor a model in which filopodia in the developing nervous system sense and respond to release of glutamate from developing axons, resulting in physiological and morphological maturation. “
“Multivariate pattern classification analysis

(MVPA) has been applied to functional magnetic resonance imaging (fMRI) data to decode brain states from spatially distributed activation patterns. Decoding upper limb movements from non-invasively recorded human brain activation is crucial for implementing a brain–machine interface that directly harnesses an individual’s thoughts to control external devices or computers. The aim of this study was to decode the individual finger movements from fMRI single-trial Histone demethylase data. Thirteen healthy human subjects participated in a visually cued delayed finger movement task, and only one slight button press was performed in each trial. Using MVPA, the decoding accuracy (DA) was computed separately for the different motor-related regions of interest. For the construction of feature vectors, the feature vectors from two successive volumes in the image series for a trial were concatenated. With these spatial–temporal feature vectors, we obtained a 63.1% average DA (84.7% for the best subject) for the contralateral primary somatosensory cortex and a 46.0% average DA (71.0% for the best subject) for the contralateral primary motor cortex; both of these values were significantly above the chance level (20%).

Five randomly selected plantlets per treatment were collected at

Five randomly selected plantlets per treatment were collected at 6, 24 or 48 h postinoculation. The root

material was weighed before being homogenized in 1 mL of sterile phosphate buffer. selleckchem Serial dilutions were then inoculated onto sterile MMAB plates placed to incubate at 28 °C. Colonization was estimated as CFU g−1 of fresh root material. A one-tailed t-test assuming equal variances and P < 0.05 (Microsoft Excel) was used to assess statistical significance of differences in attachment and colonization between the strains. Attachment of A. brasilense to glass or PVLC surfaces was first analyzed under different growth and incubation conditions. Attachment to glass was not significant irrespective of the growth conditions or the incubation time (data not shown). This was confirmed by AFM (Supporting Information, Fig. S1) and topographic analysis of the surfaces (Fig. S2), suggesting that the physical surface properties of glass do check details not facilitate attachment

for A. brasilense. Growth conditions mediating surface attachment (biofilm) in A. brasilense were thus subsequently analyzed only on PVLC surfaces. Attachment was found to increase when the experiments were conducted under low aeration (i.e. nonshaking) conditions with cells transferred from culture in a rich medium (TY) to a minimal media (data not shown). No significant effect of varying the concentrations of either phosphorous or potassium, found to increase attachment in other bacterial species (Danhorn & Fuqua, 2007) could be detected (data not shown). When biofilm formation was monitored in media lacking nitrogen or containing

relatively low concentrations (1 mM) of NH4Cl or NaNO3, surface adherence for all strains was greater compared with higher concentrations (10 mM) of NH4Cl CDK inhibitor or NaNO3, respectively (Table 2). Biofilm formation was the greatest for all strains with low concentrations of sodium nitrate. Differences seen initially between strains remained unchanged over time, although overall biofilm formation was increased at day 7 (Table 2). Nutritional conditions were previously shown to be powerful modulators of the attachment of various bacterial species to surfaces but specific effects of nitrogen availability on attachment have been seldom noted (O’Toole et al., 2000; Rinaudi et al., 2006; Danhorn & Fuqua, 2007). Compared with the parental strain Sp7 and regardless of the incubation conditions, the AB101 and AB102 strains showed a consistent greater attachment to PVLC surfaces. Different attachment abilities detected for these strains was apparent early (day 1) suggesting that the initial surface attachment step was affected (Table 2).

Investigators, study coordinators,

and subjects were blin

Investigators, study coordinators,

and subjects were blinded to treatment assignment. After initiating the study drug, subjects were Copanlisib molecular weight asked to maintain a daily diary to record details regarding medication compliance, geographic location, and number of loose stools, symptoms, and daily eating habits. Subjects were asked to grade their symptoms (Appendix, Table A1). The study coordinator contacted the patient within 7 days of their return from the trip to monitor for toxicity, study outcomes, and reminded subjects to submit a fresh stool sample within 5–7 days of the last study dose. Adverse event (AE) monitoring was done via the daily diary and the final phone interview. An AE was defined as any untoward medical occurrence in a study subject exposed to AKSB or placebo. An AE could be any unfavorable and unintended effect (including an abnormal laboratory finding), symptom,

or disease temporally associated with the use of AKSB or placebo. Serious adverse events (SAEs) were defined as those that were life-threatening, resulted in hospitalizations of >24-hour duration, or were disabling or resulted in death. All AEs were assessed whether they were possibly, probably, or definitely related to the study drug or not related at all. All SAEs were to be reported to the IRB within 24 hours and all other AEs were summarized in annual reports to the IRB. Unused capsules Cell Cycle inhibitor from subjects on AKSB were returned to Agri-King, Inc. for probiotic viability studies. Subjects

received a $50 honorarium for the inconvenience of participating in the study. All subjects were asked to submit a fresh stool specimen in a Para-Pak culture Farnesyltransferase and sensitivity vial within 5–7 days of returning home from their trip. The specimens were submitted for culture of enteric pathogens (Campylobacter species, Salmonella, Shigella, Aeromonas, and Yersinia), enterotoxigenic E coli toxin assay, and ova and parasite examination at the Mayo Clinic Microbiology Laboratory. The fecal specimen was inoculated onto selective media designed to inhibit growth of normal bowel flora while allowing growth of the enteric pathogens. The following media were used: sheep blood agar, Hektoen enteric agar, eosin-methylene blue agar, Campylobacter agar, cefsulodin-irgasan-novobiocin agar, and the enrichment broth, selenite F. Suspect colonies were identified using conventional biochemical and serologic methods. These tests were performed per standards set by the Clinical and Laboratory Standards Institute. Returned capsules were analyzed for AKSB organisms’ post-travel viability (Analab Laboratories, Fulton, IL, USA). The primary endpoint was the development of diarrhea. Assuming that the frequency of TD is 25% in those receiving placebo, 348 volunteers (174 placebo and 174 AKSB) were required to have an 85% power to detect a 50% reduction in the frequency of TD for the AKSB group (based on a comparison of 25% vs 12.5%, using a two-sided, α = 0.05 level test).

This is in accordance with previous studies14,15 and despite wani

This is in accordance with previous studies14,15 and despite waning immunity, as described elsewhere.5,16 For diabetics, an increased risk for TRD was found, specifically for those with insulin-dependent Staurosporine cell line diabetes mellitus (IDDM). Although it is widely accepted that hyperglycemia causes a higher propensity for infections17,18 and that metabolic dysregulation in IDDM patients is a frequent problem,19 there is controversy about the susceptibility to infections in diabetics. A study

by Baaten and colleagues, for example, showed that diabetic travelers have a low risk of infection compared to healthy controls.20 The types of health problems (gastrointestinal problems, fever, dermatological, and respiratory complaints) were similar to those described previously in healthy populations.10 Gastrointestinal complaints were most frequently reported (66.7% of all TRDs, 19.1% overall attack rate). Previously, travelers’ diarrhea has been described with attack rates ranging from 34.4%21 to 52%12 in general populations. An explanation Pirfenidone mouse for our lower percentage might be our more narrow definition of travelers’ diarrhea. In a study by Freedman and colleagues, 33.5% of 17,353 ill-returned travelers reported gastrointestinal disease.10 We can therefore conclude that our overall attack rate is low (18.5%), but the relative percentage of

gastrointestinal disease (66.7%) is high compared to other studies. This high percentage could be explained by our exclusion of noninfectious diseases. Only 18.6% of the population with a medical history had a known

protective hepatitis B titer. Importantly, in this population, 2.6% were admitted in a foreign health-care facility. The WHO has advised all countries to integrate universal hepatitis B vaccination into their national immunization programs by 1997.22 Until recently, such a program was not implemented in the Netherlands, because there is a low carrier rate of hepatitis B in the Dutch population.23 In developing countries, however, prevalence is high compared to Europe and North America24 and unsafe needle practices are still common.25 Moreover, the disease may follow a more severe course in patients with an impaired immune system.26 Possibly, vaccination against this virus Unoprostone could more often be considered in this group of travelers. This study has several strengths, as well as weaknesses. Regarding strengths, due to the broad inclusion criteria, all groups that visited the travel clinic and all frequently visited destinations could be described. Additionally, specific groups could be assessed in detail and an indication of the risks for various regions could be assessed. However, because of the retrospective nature of this study, details on the timing and exact symptoms of health problems may not be reliable. Also, not much detail on the etiology of reported diseases could be acquired.

People with chronic conditions and carers valued caring pharmacy

People with chronic conditions and carers valued caring pharmacy staff with good

interpersonal skills. An ideal pharmacy would provide patient-centred care, convenience, reasonable prices and desired service(s). However, if a pharmacy lacks one or more these attributes, patients make trade-offs to determine which pharmacy they will patronise. As consumers may be unaware of specialist pharmacy services, more education is needed regarding such services. These findings cannot be generalised to pharmacy consumers selleck chemicals llc with minor or acute ailments and the study did not explore the relative importance of these determinants. However, considering people with chronic conditions are valuable pharmacy customers, it is in the best interests of pharmacy Etoposide datasheet staff to implement a patient-centred approach to care. 1. Sav A, McMillan S, Kendall E, et al. Treatment burden among people with chronic illness: What are consumer health organisations saying? Chronic Illn (Accessed 10 Jan 2013, epub ahead of print). 2. McMillan S, Wheeler A, Sav A, et al. Community pharmacy in Australia: the health hub destination of the future. Res Soc Admin Pharm (Accessed 10 Jan 2013, epub ahead of print). Michael J Twigg, Rina Patel, Hannah Rodgers, Hattie Whiteside, Mahavish Yaqoob, David Wright University of East Anglia, Norwich, UK The aim is to determine whether there is any relationship between the provision

of community pharmacy advanced services and satisfaction with medicines information and adherence. Patients who have experienced an advanced service were more likely to report being satisfied with information about medicines and adherent to therapy. The results also demonstrate that an increase in satisfaction is found to be related to improved adherence Approximately 50%

of patients who have a long-term condition do not use their prescribed medication appropriately1. It has been demonstrated that an increase in satisfaction with information about medicines may lead to an increase in adherence. The Medicine Use Review Plasmin (MUR) and New Medicine Service (NMS) are designed to address adherence through the provision of information about medicines to patients. The evidence for these services is currently lacking and therefore it is appropriate to determine if there is any relationship between the provision community pharmacy advanced services and satisfaction with medicines information and adherence Institutional ethical approval was obtained for this service evaluation which was conducted as part of a fourth year MPharm student project. Five pharmacies were recruited, via convenience sampling, to participate in the evaluation, three independents and two from a multiple chain. Patients over the age of 18 years and on more than one regular medicine were invited to speak to the student by the pharmacy staff.

The TGase ORF encoding 418 amino acids (TGase precursor) was iden

The TGase ORF encoding 418 amino acids (TGase precursor) was identified in the tgh sequence (Fig. 1a). The TGase precursor sequence was highly homologous to sequences from other Streptomyces species (Table 2). N-terminal sequencing (pro-TGase: ASGGDG; TGase: DAADE) revealed that the TGase precursor could be divided into three regions: a pre-region,

a pro-region, and the mature TGase (Fig. 1a). The mature TGase shared high identity (over 79%) with TGases from other Streptomyces species (Table 2). Although the conservation of the pro-region was lower than that of the mature TGase (Table 2), several highly conserved amino acids were found in learn more the pro-region of the TGases from different Streptomyces species (Fig. 1b). The pre-region of the TGase ORF exhibited approximately 34–72% identity with TGases from other Streptomyces species (Table 2). signalp 3.0 analysis indicated that the pre-region displayed strong characteristics of a signal peptide. Putative regulation elements neighboring the TGase ORF were identified (Fig. 1a). A putative promoter region was found upstream of the TGase ORF www.selleckchem.com/products/CP-690550.html (Fig. 1a), and this region was well conserved in the upstream sequence of TGase genes from different Streptomyces species (Fig. 1c). The importance of this region was confirmed by the observation that an N-terminal deletion in this region of the

Streptoverticillium ladakanum TGase gene resulted in reduced expression in S. lividans (Lin et al., 2004). Unexpectedly, a 468-bp ORF was found upstream of the putative promoter (Fig. 1a). NCBI blast analysis showed that the amino acid selleck sequence of this ORF was more than 80% homologous with that of the IS110 family of transposases from Streptomyces avermitilis MA-4680 and Streptomyces ghanaensis ATCC14672, suggesting that this ORF might encode a transposase. To secrete pro-TGase in E. coli, pBB1-1010 (containing the pelB signal peptide gene) and pBB1-1020 (containing the TGase signal peptide gene) (Fig. 2a) were used to express pro-TGase. When induced with isopropyl-β-d-thiogalactopyranoside at 20 °C, SDS-PAGE analysis (Fig. 2b)

and N-terminal amino acid sequencing determined that the two recombinant strains secreted distinct forms of pro-TGase. This is the first report of pro-TGase secretion by E. coli. Subsequently, the effect of induction temperature on pro-TGase secretion was examined. As shown in Fig. 2b, the band corresponding to secreted pro-TGase was significantly reduced when the cells were induced at 25 °C, and no target protein band was detected at higher induction temperatures. In all cases, the ability of the TGase signal peptide to mediate pro-TGase secretion was lower than that of the pelB signal peptide (Fig. 2b), and neither signal peptide resulted in significant intracellular pro-TGase accumulation when induced at 20 °C (Fig. 2c).

Once encapsulated, the trapped bacteria subsequently die (Silva e

Once encapsulated, the trapped bacteria subsequently die (Silva et al., 2002). Cytotoxic factors targeting immunocytes are good candidates for the mediators of immunosuppression (Clarke, 2008). Plu1961/Plu1962 caused death of CF-203 cells via necrosis. Further studies on the necrotic and apoptotic activities of Plu1961/Plu1962 against insect hemocytes will be necessary to elucidate its role in immunosuppression. Confocal

microscopy revealed that Plu1961/Plu1962 caused a notable decrease in cellular tubulin of CF-203 cells. Microtubule, one of the principal components of cytoskeleton, is critical to cell shape, cell movement, intracellular transport of organelles, and the separation of chromosomes during mitosis (Archuleta

et al., 2011). As a result, microtubule is a prime target for pathogens and their virulence factors. Mouse macrophages treated with Bacillus anthracis lethal toxin (LT) induced JQ1 research buy a notable decrease in the level of cellular tubulin and altered stability of the microtubule network (Chandra et al., 2005). Treatment of human colonocytes with Clostridium difficile toxin A resulted in tubulin deacetylation and subsequent microtubule depolymerization (Nam et al., 2010). Assembly of the two components ALK inhibitor is essential for binary toxins to exhibit their cytotoxicity (Schleberger et al., 2006). However, the stage at which the assembly of the binary toxin components occurs is debatable. Previous study suggested that intoxication by binary toxins initially involved specific, receptor-mediated binding of ‘B’ component to a targeted cell as monomers that form homoheptamers on the cell surface. The ‘B’ heptamer–receptor complex then acts as a docking platform that subsequently translocates the enzymatic ‘A’ component into the cytosol. Once inside the cytosol, ‘A’ component can inhibit normal cell functions (Barth et al., 2004).

It was reported that at low toxin concentrations, complex formation might enhance the efficiency of the binary toxin (Kaiser et al., 2006). Our data demonstrated that Forskolin ic50 when co-expressed in the same cytoplasm, Plu1961 and Plu1962 could interact with each other and form a complex. This could in part explain the observation that Plu1961 and Plu1962 mixed in vitro did not affect the growth of mammalian cells, but while co-expressed in the same cytoplasm, Plu1961/Plu1962 exhibited cytotoxic effect against B16, 4T1, and HeLa cells. In conclusion, we have identified XaxAB-like binary toxin from P. luminescens TT01, which exhibits highly injectable toxicity against insect larvae. Plu1961/Plu1962 mixture could cause rapid cell necrosis when applied to insect midgut CF-203 cells. However, co-expression in the same cytoplasm is essential for Plu1961/Plu1962 to exhibit cytotoxic activity against mammalian cells. The biological role of Plu1961/Plu1962 in the infection process needs further study.