3 Assessment of liver disease 431 Recommendations  20 We recom

3 Assessment of liver disease 4.3.1 Recommendations  20. We recommend staging of liver disease should be performed

in those with chronic HCV/HIV and HBV/HIV infections (1B).  21. We suggest in patients with chronic hepatitis/HIV infection a non-invasive test as the staging investigation of choice (2B).  22. We suggest hepatic transient elastography (TE) (FibroScan™ or ARFI [Acoustic Radiation Force Impulse]) as the non-invasive investigation of choice (2B) but if unavailable, or when reliable TE readings are not obtained, a blood panel test (APRI, FIB-4, ELF, Fibrometer™, Forns Index, FibroTest™) as an alternative (2C).  23. We recommend in chronically

infected viral hepatitis/HIV patients, TE readings suggestive of BAY 73-4506 in vitro cirrhosis (Metavir >F4) using recommended disease-specific cut-offs (using FibroScan™ these are >11.0 kPa for HBV, >14.5 kPa for HCV), should lead to appropriate monitoring for complications of portal hypertension and HCC screening (1B).  24. We recommend in HCV/HIV viraemic patients, repeated fibrosis assessments using TE, or if unavailable an alternative non-invasive selleck kinase inhibitor blood panel test, should be performed at least annually (1D). 4.3.2 Good practice point  25. We recommend when the aetiology of underlying liver disease is in doubt, or where factors other than viral hepatitis are likely to have influenced liver disease progression and may be important to address, or there is discordance between non-invasive markers or uncertainty as to their interpretation, liver biopsy is the investigation of choice for assessment. 4.3.3 Auditable outcomes Proportion of patients with chronic

HCV/HIV or chronic Endonuclease HBV/HIV with documented staging of liver disease performed at least once before commencing therapy Proportion of HIV-positive patients with chronic viral hepatitis and Metavir stage 4 fibrosis who are monitored for complications of portal hypertension and have HCC screening performed Proportion of HIV-positive patients with chronic viral hepatitis and who are viraemic having at least annual repeated fibrosis assessments 4.4 Immunisation 4.4.1 Recommendations  26. We recommend all non-immune HIV-infected individuals are immunised against HAV and HBV (1A).  27.

Blood

2010; 116 Available at: https://ashconfexcom/ash

Blood

2010; 116. Available at: https://ash.confex.com/ash/2010/webprogram/Paper29716.html (accessed January 2014). 18 Westrop SJ, Lagos D, Boshoff C et al. African ancestry and innate immunity contribute to the incidence of multicentric Castleman’s disease in HIV-1/Kaposi’s sarcoma herpesvirus- coinfected individuals. Future Virology 2012; 7: 729–734. 19 Algada J, Navani N, Taylor M et al. High prevalence of malignancy in HIV infected patients with enlarged mediastinal lymphadenopathy. Thorax 2010; 65: A169–A170. 20 Du MQ, Liu H, Diss TC et al. Kaposi’s sarcoma-associated herpesvirus infects monotypic (IgM lambda) but polyclonal naive B cells in Castleman’s disease and associated lymphoproliferative disorders. Blood 2001; 97: 2130–2136. 21 Oksenhendler E, Boulanger E, Galicier L et al. High incidence of Kaposi’s sarcoma-associated Alvelestat in vitro herpesvirus-related non-Hodgkin lymphoma in patients with HIV infection and multicentric Castleman’s disease. Blood 2002; 99: 2331–2336. 22 Arce J, Huang C, Levin M et al. Human herpes virus 8 viral load in multicentric Castleman’s disease. Lab Invest 2010; 90: 285A. 23 Menke DM, Chadbum A, Cesarman E et al. Analysis of the human herpesvirus 8 (HHV-8) genome and

HHV-8 vIL-6 expression in archival cases of Castleman disease at low risk for HIV infection. Am J Clin Pathol 2002; 117: 268–275. 24 Bacon CM, Miller RF, Noursadeghi M et al. Pathology of bone marrow in human herpes virus-8 (HHV8)-associated multicentric Castleman disease. Br J Haematol 2004; 127: 585–591. 25 Grandadam M, Dupin N, Calvez V et al. Exacerbations Dorsomorphin mw of clinical symptoms in human immunodeficiency virus type 1-infected patients with multicentric Castleman’s disease are associated with a high increase in Kaposi’s Inositol monophosphatase 1 sarcoma herpesvirus DNA load in peripheral blood mononuclear cells. J Infect Dis 1997; 175: 1198–1201. 26 Chilton DN, Raja F, Lee SM et al. HIV-associated Multicentric Castleman’s disease (MCD) may present in the context of immune reconstitution (IR); highly active antiretroviral therapy (HAART) alone can modify clinical response and is associated with radiological

response and suppression of Kaposi Sarcoma Herpes Virus (KSHV) viraemia. HIV Med 2009; 10(Suppl 1): 49 [Abstract P132]. 27 Fish R, Paul J, Hargreves S et al. Can KSHV viral load be used to differentiate multicentric Castleman’s disease from Kaposi’s sarcoma? HIV Med 2010; 11(Suppl 1): 12 [Abstract O32]. 28 Sayer R, Paul J, Tuke PW et al. Can plasma HHV8 viral load be used to differentiate multicentric Castleman disease from Kaposi sarcoma? Int J STD AIDS 2011; 22: 585–589. 29 Polizzotto MN, Uldrick TS, Wang V et al. Distinct human and viral interleukin-6 profiles and other viral and immunologic abnormalities in KSHV-associated multicentric Castleman disease: Relationship with disease activity and individual disease manifestations. Blood (ASH Annual Meeting Abstracts) 2011; 118: Abstract 1573. 30 Stebbing J, Adams C, Sanitt A et al.

stutzeri This is the first report of IS transposition directly l

stutzeri. This is the first report of IS transposition directly leading to an expansion of the effective host range of a plasmid, adding a new dimension to our understanding of the relationship between plasmids and IS elements. “
“Institut Für Molekulare Infektionsbiologie, Würzburg University, Würzburg, Germany Instituto Gulbenkian de Ciência, Oeiras, Portugal Bacterial communication via the secretion of small diffusible compounds allows microorganisms to regulate gene expression in

a coordinated manner. As many virulence BGJ398 nmr traits are regulated in this fashion, disruption of chemical communication has been proposed as novel antimicrobial therapy. Quorum-quenching enzymes have been a promising discovery in this field as they interfere with the communication of Gram-negative

click here bacteria. AHL-lactonases and AHL-acylases have been described in a variety of bacterial strains; however, usually only one of these two groups of enzymes has been described in a single species. We report here the presence of a member of each group of enzymes in the extremophile bacterium Deinococcus radiodurans. Co-occurrence of both enzymes in a single species increases the chance of inactivating foreign AHL signals under different conditions. We demonstrate that both enzymes are able to degrade the quorum-sensing molecules of various pathogens subsequently affecting virulence gene expression. These studies add the quorum-quenching enzymes of D. radiodurans to the list of potent quorum-quenchers and highlight the idea that quorum quenching could have evolved in some bacteria as a strategy to gain a competitive advantage by altering gene expression in other species. “
“Extracytoplasmic function Fluorometholone Acetate (ECF) sigma factors are known

to play an important role in the bacterial response to various environmental stresses and can significantly modulate their pathogenic potential. In the genome of Porphyromonas gingivalis W83, six putative ECF sigma factors were identified. To further evaluate their role in this organism, a PCR-based linear transformation method was used to inactivate five ECF sigma factor genes (PG0162, PG0214, PG0985, PG1660, and PG1827) by allelic exchange mutagenesis. All five isogenic mutants formed black-pigmented colonies on blood agar. Mutants defective in PG0985, PG1660, and PG1827 genes were more sensitive to 0.25 mM of hydrogen peroxide compared with the wild-type strain. Isogenic mutants of PG0162 and PG1660 showed a 50% decrease in gingipain activity. Reverse transcription-PCR analysis showed that there was no alteration in the expression of rgpA, rgpB, and kgp gingipain genes in these mutants. Hemolytic and hemagglutination activities were decreased by more than 50% in the PG0162 mutant compared with the wild type. Taken together, these findings suggest that ECF sigma factors can modulate important virulence factors in P. gingivalis.

stutzeri This is the first report of IS transposition directly l

stutzeri. This is the first report of IS transposition directly leading to an expansion of the effective host range of a plasmid, adding a new dimension to our understanding of the relationship between plasmids and IS elements. “
“Institut Für Molekulare Infektionsbiologie, Würzburg University, Würzburg, Germany Instituto Gulbenkian de Ciência, Oeiras, Portugal Bacterial communication via the secretion of small diffusible compounds allows microorganisms to regulate gene expression in

a coordinated manner. As many virulence CHIR-99021 purchase traits are regulated in this fashion, disruption of chemical communication has been proposed as novel antimicrobial therapy. Quorum-quenching enzymes have been a promising discovery in this field as they interfere with the communication of Gram-negative

this website bacteria. AHL-lactonases and AHL-acylases have been described in a variety of bacterial strains; however, usually only one of these two groups of enzymes has been described in a single species. We report here the presence of a member of each group of enzymes in the extremophile bacterium Deinococcus radiodurans. Co-occurrence of both enzymes in a single species increases the chance of inactivating foreign AHL signals under different conditions. We demonstrate that both enzymes are able to degrade the quorum-sensing molecules of various pathogens subsequently affecting virulence gene expression. These studies add the quorum-quenching enzymes of D. radiodurans to the list of potent quorum-quenchers and highlight the idea that quorum quenching could have evolved in some bacteria as a strategy to gain a competitive advantage by altering gene expression in other species. “
“Extracytoplasmic function Non-specific serine/threonine protein kinase (ECF) sigma factors are known

to play an important role in the bacterial response to various environmental stresses and can significantly modulate their pathogenic potential. In the genome of Porphyromonas gingivalis W83, six putative ECF sigma factors were identified. To further evaluate their role in this organism, a PCR-based linear transformation method was used to inactivate five ECF sigma factor genes (PG0162, PG0214, PG0985, PG1660, and PG1827) by allelic exchange mutagenesis. All five isogenic mutants formed black-pigmented colonies on blood agar. Mutants defective in PG0985, PG1660, and PG1827 genes were more sensitive to 0.25 mM of hydrogen peroxide compared with the wild-type strain. Isogenic mutants of PG0162 and PG1660 showed a 50% decrease in gingipain activity. Reverse transcription-PCR analysis showed that there was no alteration in the expression of rgpA, rgpB, and kgp gingipain genes in these mutants. Hemolytic and hemagglutination activities were decreased by more than 50% in the PG0162 mutant compared with the wild type. Taken together, these findings suggest that ECF sigma factors can modulate important virulence factors in P. gingivalis.

As evident based upon the large cadres of lupus patients and grow

As evident based upon the large cadres of lupus patients and growing

numbers of lupus investigators within these Asian communities, significant advances are being made in the evaluation and care of systemic lupus erythematosus in Asian countries. Additional work in therapeutic, genetic, prognostic and biomarker work is underway and will provide more insights to the unique and common aspects of lupus pathogenesis within and across Asia, as well as the rest of the world. The authors declare no conflicts of interest. “
“To review the clinical profile of patients with plasma cell dyscrasias presenting with inflammatory arthritis. Retrospective analysis was performed on clinical, laboratory and imaging Poziotinib cell line data of patients who presented with

inflammatory arthritis between May 2009 and April 2010 and were subsequently diagnosed as having plasma cell dyscrasias. Six out of 630 patients presenting with inflammatory arthritis were identified. The demographic, clinical and laboratory characteristics of these patients were analyzed. The diagnosis of monoclonal gammopathy was based on protein electrophoresis, immunoelectrophoresis and bone marrow biopsy. The outcomes of the treatments were analyzed. Four patients had monoclonal gammopathy of unknown significance and two patients had multiple myeloma. Mean age of the patients was 65 years (range 59–74). Three patients presented with oligoarticular arthritis, two with symmetrical polyarticular joint pains and one with fleeting periarticular pains. Wrist and shoulder were the most commonly involved joints. Three Doxorubicin concentration patients had carpal tunnel syndrome. Five

patients were seronegative for both rheumatoid factor and anti-cyclic citrullinated peptide antibodies. Mean erythrocyte sedimentation rate (ESR) was high in all patients (range: 82–120 mm/h with a mean of 99.6 mm/h). Arthritis improved with chemotherapy in patients with multiple myeloma. Occurrence of inflammatory arthritis with plasma dyscrasias is more than a chance association. Plasma cell dyscrasias should be ruled out in any elderly patient presenting with atypical arthritis with disproportionately high ESR, high creatinine and hyperglobulinemia. “
“To describe our experience with 16 patients with eosinophilic fasciitis (EF) Montelukast Sodium treated in our clinic over 14 years. We retrospectively reviewed the charts of all patients with biopsy-proven EF. We collected data regarding demographics, clinical presentations, possible triggers, labs, imaging, treatment and response to therapy on follow-up. Eight women and eight men with a mean age of 52 years were included in the study. Three patients related the onset to prior strenuous exercise and one was exposed to vibratory machinery. Fourteen patients had a gradual onset and presented with induration of the skin.

Pharmacists also considered their own personal views This study

Pharmacists also considered their own personal views. This study used hypothetical cases, which may have been handled differently if presented as real scenarios in the pharmacy. This study may have benefitted practice by raising

awareness of the complexity of decision-making, as well as highlighting the impact of personal p38 MAPK inhibitor review beliefs and GP relationships on practice. 1. Cooper RJ, Wingfield J, Bissell P. Ethical, religious and factual beliefs about the supply of emergency hormonal, contraception by UK community pharmacists. Journal of Family Planning and Reproductive Health Care 2008; 34: 47–50. 2. Hanna LA, Hughes CM. ‘First, Do No Harm’: Factors that Influence Pharmacists Making Decisions about Over-the-Counter Medication A Qualitative Study in Northern Ireland. Drug Safety 2010; 33: 245–255. Michael Wilcock, Joanna Lawrence Pharmacy, Royal selleck inhibitor Cornwall Hospitals NHS Trust, Truro, UK Inter-professional collaboration as a means of improving patient care requires that clinical pharmacists have good communication skills. Doctors’ and nurses’ views on how well pharmacists communicate were captured via a brief survey. The results have informed a short tailored training programme on communication

skills for pharmacists and technicians. To ensure that patients receive the optimum level of care it is essential that clinical pharmacists, as members of the healthcare team, can effectively communicate with prescribers and nurses. A recent report acknowledge that the future for pharmacy practice will see the wider

pharmacy team drawing on their individual clinical and communication skills to work with other healthcare professionals and patients to optimise the use of medicines.1 As part of a wider service improvement Venetoclax datasheet project, designed to assess and develop the communication skills of the pharmacist team, we undertook a baseline assessment of how clinical staff perceive the pharmacists’ communication skills. Two 3rd year medical students, attached to the pharmacy department for a two week Special Study Unit, undertook a brief survey of doctors and nurses on a range of hospital wards. The survey instrument consisted of 4 closed questions (3 requiring answers on a 5-point Likert scale and the fourth requiring a simple yes/no response), and a final question seeking free text comments. Staff were advised of the broad purpose of the survey (to ascertain how they perceive the ability of the clinical pharmacists to communicate with clinical staff) and reassured that the survey was anonymous. This was deemed service improvement performed to meet specific local needs and ethics approval was not sought. During April 2013, thirty-eight clinical staff (18 junior doctors, 20 nurses) were approached and agreed to answer the survey.

After acclimation to electrode positioning, cats were not bothere

After acclimation to electrode positioning, cats were not bothered by and did not tamper with the electrodes or the tape.

Once the electrodes were secure, the current was applied. The current ramped up to 2.0 mA over an 18-s period. During this time, occasional muscle twitches were noted, but the animals did not appear to be bothered. Regorafenib chemical structure The current remained on for 20 min, after which an 18-s ramping-down period brought the current back to zero. Each cat received tDCS five times weekly (Monday to Friday) for a total of 14 weeks (70 sessions in total). Stimulation had no obvious effects on the behavior of the animals; in all cases they sat quietly in the veterinary bag. Redness over the supraorbital anode was noted after the first

few sessions of tDCS but resolved thereafter. Even so, a surgical lubricant (Fougerd®) was applied to electrode sites after tDCS to minimise any potential skin irritation. The behavioral effects of tDCS were assessed twice weekly. Following the completion of tDCS stimulation of Fridays, 2 h elapsed before the animals were tested on the standard, laser and runway perimetry tasks. The second PI3K inhibitor behavioral assessment occurred on Monday mornings prior to the start of the tDCS stimulation. At this time the animals were tested on one or more sets of trials for the standard, laser and runway perimetry tasks. This assessment was used to determine whether there was a change in performance 48 h or more from Megestrol Acetate the last tDCS stimulation. As no consistent differences were observed between Monday and Friday sessions (paired t-test, P = 0.27), the data were pooled. No difference was noted when Monday’s performance was compared with the subsequent Friday (paired t-test, P = 0.40). Data were analysed for each hemifield using a one-way anova design, with performance as the independent variable, and time points after lesion as the main factor. Pre-tDCS and post-tDCS performance were each pooled for the purpose of analysis, but were kept separate for graphical illustrations. Post hoc comparisons were made with

Tukey’s HSD tests. Data were statistically analysed using JMP Pro v.10. Animals were injected with an overdose of pentobarbital (120 mg/kg, i.v.), then injected with sodium nitrite (1% w/v; 1.5 mL) and heparin (5000 units) and perfused with 2% paraformaldehyde in 15% sucrose and 0.1 m phosphate buffer (pH 7.4). Brains were removed, frozen in a bath of –30 °C 2-methyl butane, and stored in the –80° freezer until cutting. Sections of 23 μm were cut using a cryostat (Bright OTF, Hacker Instruments, Fairfield, NJ, USA); one of every 25 sections was mounted on a gelatin–chrome alum subbed slide and processed for Nissl substance. Evaluation of the lesion was made at the time of brain removal and subsequently using microscopic analysis of Nissl-stained sections. In all cases, the intended brain areas were removed (Fig. 2).

The micropipette was held in place for 5 min after injection and

The micropipette was held in place for 5 min after injection and then withdrawn slowly

to minimise backflow. The skin was resealed with Vetbond and sutures. Animals were given buprenorphine for analgesia prior to awakening, and were maintained on carprofen-containing chow (Rimadyl chewies, BioServ) for 3 days postsurgery. Mice were killed by carbon dioxide inhalation at 3–4 weeks or 12 months postinjection. Brains were fixed overnight at 4 °C in fresh 4% paraformaldehyde and then transferred to 30% sucrose for cryoprotection. Brains were frozen on dry ice and then sectioned Smad inhibitor at 45 μm using a freezing-sliding microtome. Sections were stored in antifreeze buffer [50 mm NaPO4, pH 7.4, containing 25% glycerol and 30% ethylene glycol (v/v)] at −20 °C until use. Brain sections of mice injected with AAV-YFP at P0 or P3 were immunostained with neuronal nuclei (NeuN), Ca2+/calmodulin-dependent protein kinase II α, S 100 calcium binding protein B (S100β), ionised calcium binding adaptor molecule 1, glutamate decarboxylase 67 (GAD67), calbindin D-28k or β-galactosidase (β-gal) antibodies to determine the phenotype of YFP-positive cells. Sections were washed with Tris-buffered saline to remove antifreeze medium,

followed by permeabilisation and blocking with 3% goat serum plus 0.1% Triton-X 100 in Tris-buffered saline for 1 h at room temperature. Sections were then incubated with mouse anti-S100β (1 : 500; Sigma, S2632), rabbit anti-ionised calcium binding adaptor molecule 1(1 μg/mL; Wako Chemicals, 019-19741), mouse anti-NeuN (1 : 1000; Millipore, MAB377), mouse Talazoparib solubility dmso anti-Ca2+/calmodulin-dependent protein kinase IIα (1 : 1000, Chemicon, MAB3119), rabbit anti-GAD67 (1 : 1000; Chemicon, AB5992), mouse anti-calbindin D-28k

(1 : 5000, Swant, McAB 300) or chicken anti-β-gal antibody (1 : 5000, Abcam, ab9361) in blocking solution at 4 °C overnight. The following day the sections were washed with Tris-buffered saline and incubated for 2 h at room temperature with Alexa Fluor 594-conjugated goat anti-rabbit (1 : 500; Invitrogen, A11012), Alexa Fluor 568-conjugated donkey anti-mouse (1 : 500; Invitrogen, A10037), or Alexa Fluor 647-conjugated goat anti-chicken (1 : 500, Invitrogen, A21449) secondary antibody for fluorescent detection. Farnesyltransferase The 4- and 8-week-old P0-injected mice were anesthetised with isoflurane, and a 3 mm cranial window was placed as described in previous studies (Holtmaat et al., 2009). For imaging of cortical pyramidal neurons, the window was centered at 2 mm lateral and 2 mm posterior to the bregma. For imaging of cerebellar Purkinje cells, the window was centered at 1.5 mm lateral and 2 mm posterior to the lambda. Following 2–5 days of recovery, in vivo images were acquired using a Prairie View two-photon microscope. A Coherent Ti:Sapphire laser tuned to 890 nm was focused into tissue using a 20 × (0.95 NA) or 60 × (1.0 NA) Olympus lens at 10–40 mW (0.

Evidence for a hydrophilic channel has recently been published (B

Evidence for a hydrophilic channel has recently been published (Barney et al., 2009) and a hydrophobic substrate channel has also been hypothesized (Igarashi & Seefeldt, 2003). Several amino acids identified in the putative hydrophobic channel differ between Mo- and V-nitrogenases, and their effect on the passage of substrate to the active site may account for the fact that the V-nitrogenase produces three times more H2 per mole of N2 reduced compared with the Mo-nitrogenase (Tsygankov et al., 1997; Rehder, 2000). The α-71 site is predicted to line the hypothesized

www.selleckchem.com/products/ink128.html hydrophobic channel (Igarashi & Seefeldt, 2003), and a valine at this site is conserved among Mo-based nitrogenases, whereas an Talazoparib in vitro isoleucine is conserved in V-nitrogenases (Table 1). Given the effect on the activity of the isoleucine substitution at the α-70 site, we hypothesized that the α-71 site may also affect nitrogenase substrate specificity and that substitutions in the α-70 and α-71 sites may increase hydrogen production. As a first step towards the goal of genetically

engineering nitrogenase mutants in A. variabilis that produce large amounts of H2 in a nitrogen atmosphere, we employed an experimental system that utilized the Nif2 alternative nitrogenase, as this enzyme is expressed in all cells and might enhance H2 production. We first determined whether an amino acid substitution in nifD2 at the site homologous to the A. vinelandiiα-70 site

would lead to a similar alteration in enzyme activity. Nif2 is the only nitrogenase active under anaerobic conditions in the first 12 h after nitrogen step down, allowing mutations in nifD2 to be made in a strain with wild-type genes for the other nitrogenases (Nif1 and Vnf) (Thiel et al., 1995, 1997). The uptake hydrogenase (HupSL) does not interfere with hydrogen production because it is not induced Branched chain aminotransferase under anaerobic conditions in vegetative cells (Weyman et al., 2008) and the lack of O2 in the anaerobic conditions would render the uptake hydrogenase essentially inactive (Houchins & Burris, 1981). The alignment between the A. variabilis NifD2 and the A. vinelandii NifD sequence showed 59% identity and 68% similarity between proteins. Residues 70 and 71 of the A. vinelandii NifD correspond to A. variabilis NifD2 residues 75 and 76, respectively. Using swiss-model, a homology model for NifD2 was created using the A. vinelandii NifD crystal structure (PDB ID, 2 MIN) as a template (Arnold et al., 2006). The resulting model had a root mean square distance of 0.15 Å. Simulated site-directed mutants were made using deepview with energy optimization performed by the built-in gromos96 algorithm (Scott et al., 1999). Using the homology models, the locations of the α-75 and α-76 residues were observed to be in similar locations to the nitrogenase of A. vinelandii with respect to the active site (Igarashi & Seefeldt, 2003).

solani growth (T atroviride, A longipes, Phomopsis sp, and E

solani growth (T. atroviride, A. longipes, Phomopsis sp., and E. nigrum E1, E8, and E18) were prepared for confocal microscopy. Agar plugs containing mycelia of both strains were placed in opposite sides of a plate containing 20 mL of PDA. Microscope coverslips were placed on the top agar between the antagonistic strains. When hyphae were observed on the surface of the coverslips, they were removed and immediately stained with SytoGreen 13 dye (Invitrogen, Canada) for 30 min at room temperature. Coverslips were mounted in an 80% glycerol solution

on a microscope slide and visualized using a Zeiss LSM 5 DUO confocal microscope. Images were acquired by excitation at 488 nm and emission STI571 in vivo with a long pass 506-nm filter. We used three replicates for each combination pathogen/antagonist. learn more PDA plates were inoculated in the centre with a 0.5 cm diameter mycelial disc containing both antagonists and pathogen. Fungal isolates including R. solani were separately cultivated per plate. The lids were removed and two plates containing each R. solani and one fungal endophyte, and one plate was inverted and placed on top of the other plate. The two plate bases were then sealed with a double layer of parafilm. All plates were randomized and placed at room temperature. Controls were prepared using the same experimental setup, except

that a water agar disc was used instead of the antagonist culture. We used 10 replicates per treatment. The inhibition rate of each antagonist against pathogenic fungus was calculated and statistical analyses were performed as described above. This experiment was carried out using the protocol described by Campanile et al. (2007). Radial growth was recorded by measuring the mean colony diameter at 1-day intervals for the time required to reach the margin of the dish in controls. Statistical analyses were used as described above. Greenhouse trials were performed in pots filled

with Pro-Mix (Premier Tech, Canada). Seed tubers of the potato cultivar ‘Riba’ were obtained from the market. The inoculum of R. solani and antagonist isolates were prepared by subculturing an infected agar disc on PDA medium. Bags containing 1 kg rye seeds were inoculated with six plates of pathogen or antagonist cultures and stored Vitamin B12 at room temperature for 30 days. Sterilized Pro-Mix was infected with R. solani at an amount corresponding to 5% of the total weight and was placed in a greenhouse (90% relative humidity and 16 h of light). After 2 weeks, the infested and noninfested Pro-Mix were inoculated separately with each antagonist and then placed in a greenhouse. After 1 week, the disinfected potato seed tubers with sodium hypochlorite were planted at a rate of one tuber seed for each pot culture. The planted pots were left in the greenhouse (22–25 °C day, 18–20 °C night) for 3 months. The following tested treatments are summarized in Table 3.