High levels of adherence are required to suppress levels of plasm

High levels of adherence are required to suppress levels of plasma HIV RNA [7], and incomplete adherence has been associated with virological rebound and the emergence of antiretroviral resistance [8]. The majority of research on adherence among IDUs has focused on individual-level barriers, including illicit drug use [9], lower self-efficacy [10, 11], and comorbid psychiatric conditions [12-14]; however, longer term trends in adherence among IDUs have not been well described.

Thus, the present study evaluated long-term adherence patterns among IDUs initiating ART between 1996 and 2009 in a setting of universal access to HIV care. Data for these analyses were collected through the AIDS Care Cohort to Evaluate Access to Survival Services (ACCESS), an ongoing community-recruited prospective cohort study of HIV-positive IDUs which has Selleckchem Alectinib been described in detail previously [15, 16]. In brief, beginning in May 1996, participants were recruited through self-referral and street outreach from Vancouver’s Downtown Eastside, the local epicentre of drug-related transmission of HIV. At baseline and semi-annually, all HIV-positive participants provided blood samples

and completed an interviewer-administered questionnaire. The questionnaire elicits demographic data as well as information about participants’ drug use, including information about type of drug, frequency of drug use, involvement in drug treatment and periods of abstinence. All participants provide informed consent and are remunerated $CDN20 for each study visit. The study is somewhat unusual in that the province of British Columbia not only delivers all HIV care free of charge through the province’s universal healthcare click here system but also has a centralized HIV treatment registry. This allows for the confidential linkage of participant survey data to a complete prospective profile of all HIV-related clinical monitoring and antiretroviral Farnesyltransferase dispensation records.

The Providence Health Care/University of British Columbia Research Ethics Board reviewed and approved the ACCESS study. Participants were eligible for the present analysis if they initiated ART between May 1996 and December 2009. The primary outcome in this study was adherence to ART based on a previously validated measure of prescription refill compliance [17, 18]. Specifically, using data from the centralized ART dispensary, we defined adherence as the number of days for which ART was dispensed over the number of days an individual was eligible for ART in the year after ART was initiated. This calculation was restricted to each patient’s first year on therapy to limit the potential for reverse causation that could occur among patients who cease ART after they have become too sick to take medication [19, 20]. We have previously shown this measure of adherence to reliably predict both virological suppression [21-23] and mortality [17, 18]. As in previous studies, adherence was dichotomized as ≥95% versus <95% [21, 23, 24].

Although effective drugs for secondary prevention were available,

Although effective drugs for secondary prevention were available, at that time DZNeP manufacturer vaccines offering immunity against the novel

virus had not been manufactured. In view of the protection required for high-risk groups, as well as for the general population, vaccines against influenza A/H1N1 were introduced in autumn 2009. In the post-pandemic period, guidelines have advocated vaccination as a preventive measure for high-risk individuals in countries where influenza vaccines are available [2]; WHO has recommended that the H1N1 (2009) influenza strain be included in both 2010 Southern Hemisphere and 2010–2011 Northern Hemisphere trivalent seasonal influenza vaccines [3]. A novel feature of these vaccines was the inclusion of an immunological adjuvant that boosted the immune response, thus requiring smaller quantities of inactive virus to be contained in the vaccine [4]. The side effects were reported to be no different from those of other vaccines

that had been widely used for many years. In addition, the safety profile of the vaccines in terms of cardiovascular risk was considered acceptable, although it had been largely unexplored. However, published data from studies using other vaccines reported a significant but transient decline in cardiovascular performance. As we and others showed, this was reflected Talazoparib price in endothelial dysfunction and a deterioration in arterial elastic properties and haemodynamic indices following vaccination [5–7]. A complex interplay exists between endothelial function and cardiovascular performance. Importantly, endothelial function has been identified as an independent

marker of cardiovascular disease and predictor of risk [8]. Its transient impairment following vaccination is explained by the mild inflammatory stimulus represented by the vaccine. In the clinical setting, any deterioration in cardiovascular function caused by vaccination can result in adverse events in those patients Metalloexopeptidase presenting with compromised cardiovascular function. HIV-infected patients constitute a group with high cardiovascular risk [9,10]. A number of studies have reported a high prevalence of heart disease in these patients and, among other risk factors, have suggested mechanisms of accelerated atherosclerosis and arterial stiffening [11,12]. Apart from the atherogenic effect of HIV, the arterial function of these patients is further compromised by antiretroviral therapy [13]. Regarding the influenza A/H1N1 outbreak, HIV-infected patients were at higher risk for complications, and guidelines recognized them as an initial target group for vaccination. Determination of the impact of a novel adjuvanted viral vaccine would extend currently available data on vascular responses to different types of vaccine [5,6,14].

, 2008) Due to the synergistic effect, combination therapy at th

, 2008). Due to the synergistic effect, combination therapy at the local site with metronidazole and DFO should offer advantage over monotherapy in terms of controlling the subgingival biofilm. Collectively, DFO is effective in reducing pathogenic potential of P. gingivalis and the bacterial growth during early stage, and increasing susceptibility of the bacterium to other antimicrobial agents such as H2O2 and metronidazole. Moreover, DFO enhances PMN function (van Asbeck et al., 1984) and is effective in tissue protection and anti-inflammation (Lauzon et al., 2006; Hanson et al., 2009). Therefore, use of the iron

chelator for controlling bacterial infection and preventing tissue damage seems a fascinating Obeticholic Acid price strategy in the prevention and treatment of periodontal disease. However, toxicity of DFO as a result of long-term and high-dose regimens (Bentur et al., 1991) and the risk of several complications in noniron-overloaded patients systemically receiving iron-chelating agents including DFO (Weinberg, 1990) have been described. This negative attribute of DFO may limit its utility as a Ceritinib order systemic agent for periodontal disease, but its clinical usefulness as a local agent for the disease would not be limited. DFO for future use requires careful studies

on both efficacy and toxic effects. It also remains to be studied if DFO has a growth stimulating effect on other possibly pathogenic bacteria of the microbiota of the mouth. We thank Novartis for providing deferoxamine mesylate. This study

was supported by Mid-career Researcher Program through NRF grant funded by the MEST (R01-2007-000-20985-0), Korea. “
“Halophytophthora fluviatilis, a novel species from inland freshwater in Virginia, is characterized and described in this study. This homothallic species produced ovoid to globose sporangia, which release zoospores directly through exit pores. It grew well in a relatively wide range of salinity from 1.8 to 19.0 parts per thousand. Sequence analysis of the rRNA internal transcribed spacer region placed this new species in the Halophytophthora sensu stricto clade. Description mafosfamide of this new species expanded the habitat to include geographically distinct inland freshwater ecosystems for the genus Halophytophthora, challenging the notion that this genus is marine or brackish. The need to construct a molecular-based taxonomy for the genus Halophytophthora is also discussed. “
“In the current study, the small RNA ryhB, which regulates the metabolism of iron in Escherichia coli, was constitutively expressed in engineered E. coli DALA. The resulting strain E. coli DALRA produced 16% more 5-aminolevulinic acid (ALA) than the parent strain E. coli DALA in batch fermentation. Meanwhile, we found that addition of iron in the medium increased heme formation and reduced ALA yield, whereas the presence of iron chelator in the medium decreased heme concentration and increased the ALA production efficiency (ALA yield per OD600).

(2004) In their study, 1800 pulses of rTMS applied to the primar

(2004). In their study, 1800 pulses of rTMS applied to the primary motor cortex, also at a rate of 5 Hz, produced an increase in MEP amplitude that continued to build up after the stimulation ceased, as demonstrated by a second measurement taken 15 min after the end of the stimulation session. Conceivably, this observation might reflect

a common finding in rTMS studies, in which repeated post-stimulation assessments have been performed. The data from Peinemann et al. (2004) suggest that the amount of stimulation used might selleck play a crucial role in determining the time course. It is possible that, depending on the stimulation, different populations of neurons are involved, which react with different time courses due to saturation effects. It should be noted that, in in vitro synaptic plasticity

experiments, which use much higher frequencies (e.g. 100 Hz), typically maximal effects are observed immediately after the stimulation. In our study, application of iHFS clearly cancelled this further increase in cortical excitability. Both groups exhibited an almost identical increase in excitability immediately after rTMS (Δbaseline – rTMS), but the last measurement (Δbaseline – last) demonstrated a marked difference between them (Fig. 4B). Other studies have shown such interactions between Selleckchem SD-208 tTMS stimulation and subsequent interventions. Delvendahl et al. (2010) showed that pre-treatment with very low-frequency rTMS at 0.1 Hz inhibits the effects of subsequent PAS, whether in its excitatory or inhibitory form. A further study has described a similar effect of 5-Hz rTMS on the subsequent application of either continuous or intermittent theta burst stimulation (Iezzi et al., 2011). In these two studies, the effects of priming are attributed in one case to “antigating” (Delvendahl et al., 2010) and in the other to another non-homeostatic form of interaction (Iezzi et al., 2011). Our experiment resembles these studies in that 5-Hz rTMS effectively abolished the effect of subsequent iHFS on cortical

excitability. However, our study differs in that our “priming” intervention produced a strong effect in excitability, the temporal course of which was altered by subsequent iHFS, in a way that might indicate a homeostatic interaction. In the group without iHFS, the change in paired-pulse suppression seen at the end of the experiment (Δ last – baseline) was strongly dependent on the baseline state of Buspirone HCl excitability, as demonstrated by a highly significant inverse correlation (Fig. 6D) between the final change in the PPR and the naive state values. Taking this into account, it is possible that normal fluctuations in the population in terms of their state of cortical excitability could explain the observed variability in responses to interventions such as rTMS. The importance of the baseline state of excitability of the brain in shaping the effect of an intervention such as rTMS is becoming increasingly recognized (Silvanto & Pascual-Leone, 2008; Silvanto et al.

The FAS is part of the WICKED project (Wolverhampton Interface Ca

The FAS is part of the WICKED project (Wolverhampton Interface Care, Knowledge Empowered Diabetes), and consists of three key care processes in diabetes: namely HbA1c, urinary albumin:creatinine Fulvestrant purchase ratio and retinal screening. A retrospective case control study in a single GP practice was undertaken on all the patients (n=478) failing two or more parameters over 15 months. They were compared to those with no access failure matched for age, gender, ethnicity and type of diabetes. Among the 51 cases with a FAS ≥2, two or three process measures were absent in 84% and 16% respectively.

Excluding service failure, this was due to non-attendance in 35% but otherwise associated with other clinical constraints in 41% (mental health, house bound, palliative care, multi-morbidity) and their deprivation index was significantly higher (p<0.01). Extrapolating to the whole health economy (n=16 644), 2362 (14%) would have a FAS of ≥2 of whom 968 (6%) would have failed access in association with these constraints. In conclusion, it is possible to identify people who are failing access to structured diabetes care using readily available

data calculated as the FAS score. Failed access is not usually due to patient default or disengagement but rather, in almost 65%, either due to significant clinical disadvantage or pure failure of service.

Copyright © 2014 John Wiley & Sons. “
“Since the introduction of insulin analogues, there have been several published case reports ALK inhibitor review of overdoses with this medication. Refractory hypoglycaemia with potentially serious neurological sequelae, including death, can occur in severe insulin overdoses. Around 30 years ago, long before insulin analogues were available, several authors reported that the excision of the soft tissue at the injection site lowered plasma insulin concentrations in overdoses with conventional short-acting and depot insulin. In a suicide attempt, an 18-year-old man had injected himself with a large amount of insulin analogues into the abdominal wall; why 50 minutes after the overdose he became hypoglycaemic. He was commenced on an intravenous infusion of glucose and the injection site was surgically excised. Serial serum insulin concentrations were measured. After the excision of the insulin injection site, serum insulin concentrations fell from 4220 to 88pmol/L within 2.5 hours. Those results were only available after several weeks. As a precaution at the time, the glucose infusion had been continued for 67 hours. We observed the last hypoglycaemic event in our patient a few minutes after the surgical intervention. The patient suffered no complications and was discharged following a psychiatric assessment.

1) with water at 100 °C for 2 h (3 × , 500 mL each) and 10% aqueo

1) with water at 100 °C for 2 h (3 × , 500 mL each) and 10% aqueous KOH at 100 °C for 3 h (4 × , 500 mL each). The resulting extracts were neutralized (acetic acid), added to ethanol (3 vol.) and the resulting polysaccharide precipitates were dissolved in water and dialyzed, giving rise to fractions W (aqueous extraction) and K10 (alkaline extraction). These were frozen and

then allowed to thaw slowly, and the resulting insoluble materials (fractions PW and PK10) were removed by centrifugation. Fraction PK10 contained a mixture of glucans, which were then suspended in 0.5% aqueous NaOH at 50 °C, which dissolved the β- (fraction LAM), but not the α-d-glucans (fraction NIG). buy PF-02341066 Both fractions were neutralized with acetic acid and dialyzed. The supernatant (fraction SK10) of the freeze–thaw procedure was treated with Fehling solution (Fig. 1) and the precipitated material (Cu2+ precipitate, galactomannan) was removed by CB-839 centrifugation. The Cu2+-precipitate and supernatant (fraction SF-SK10)

were neutralized with acetic acid, dialyzed against tap water, deionized with mixed ion exchange resins, and then freeze-dried. The polysaccharides present in fraction SF-SK10 were submitted to dialysis through a 100 kDa cut-off membrane (Millipore), giving rise to a retained (fraction SF-SK10-100R) and an eluted fraction (SF-SK10-100E). Monosaccharide components of the polysaccharides and their ratios were determined by hydrolysis with 2 M trifluoroacetic acid

for 8 h at 100 °C, followed by conversion to alditol acetates by successive NaBH4 reduction and acetylation with Ac2O-pyridine. The resulting alditol acetates were analyzed by GC–MS using a Varian model 3300 gas chromatograph linked to a Finnigan Ion-Trap model (ITD 800) mass spectrometer, with He as the carrier gas. A capillary column (30 m × 0.25 mm i.d.) of DB-225, held at 50 °C during injection for 1 min, then programmed at 40 °C min−1 to 220 °C, and held at this temperature for 19.75 min, was used for the quantitative analysis. The homogeneity and average not molar mass (Mw) of soluble polysaccharides were determined by high-performance steric exclusion chromatography (HPSEC), using a differential refractometer (Waters) as the detection equipment. Four ultrahydrogel (Waters) columns were used in series, with exclusion sizes of 7 × 106, 4 × 105, 8 × 104 and 5 × 103 Da. The eluent was 0.1 M aqueous NaNO2 containing 0.2 g L−1. aqueous NaN3 at 0.6 mL min−1. The sample, previously filtered through a membrane (0.22 μm, Millipore), was injected (250-μL loop) at a concentration of 1 mg mL−1. The specific refractive index increment (dn/dc) was determined and the results were processed with the software provided by the manufacturer (Wyatt Technologies). Samples were O-methylated using NaOH-Me2SO-MeI (Ciucanu & Kerek, 1984).

This review examines published literature to chart the participat

This review examines published literature to chart the participation and beliefs of pharmacy professionals towards CPD in GB in a decade that had seen a formal transition from continuing education to CPD. Methods  A comprehensive review of the published literature was conducted to identify studies of the uptake of, or attitudes towards, CPD cross different sectors of pharmacy in GB from 2000 to 2010. Key findings  Twenty-two studies were included and analysed, including 13 research papers, six conference papers, two news items reporting survey outcomes and one commissioned study. Eight barriers selleck screening library to CPD were identified as: time, financial costs and resource issues, understanding of CPD, facilitation and support

for CPD, motivation and interest in CPD, attitudes towards compulsory CPD, system constraints, and technical problems. Pharmacy professionals on the whole agreed with the principle of engaging with CPD but there was little evidence to suggest widespread and wholehearted acceptance and uptake of CPD, essential for revalidation. Conclusions  If CPD is to succeed, people’s

beliefs and attitudes must be addressed by recognising and modifying perceived barriers through a combination EPZ015666 of regulatory, professional, work-related and personal channels. A number of recommendations are made. Direct experience of effective CPD in the absence of perceived barriers could impact on personal development, career development and patient benefit

thus strengthening personal beliefs in the value of CPD in an iterative manner. Continuing professional development (CPD) in broad terms refers to the idea that learning tuclazepam continues throughout one’s professional career, through educational courses, work experience and practice.[1,2] CPD is not the same as continuing education (CE) alone, which is the more traditional approach to learning via structured educational activities such as lectures, workshops and distance-learning courses.[3] Underlining CPD in pharmacy is the notion that professionals can take responsibility for their own learning, behaviour and career development.[4] As a process, CPD centres on experiential learning, which Kolb’s model simplifies into a cycle of reflection, planning, action (recording) and evaluation.[5] Documentation is an integral part of CPD and a personal portfolio can be used for this purpose.[6] For pharmacists in Great Britain (GB), a CPD template supported online by a bespoke website ‘Plan & Record’ (and also available in print) is recommended by both the professional body for pharmacy, the Royal Pharmaceutical Society (RPS), and the new regulatory body for pharmacy, the General Pharmaceutical Council (GPhC), which came into being in September 2010.[7] Prior to September 2010 the Royal Pharmaceutical Society of Great Britain (RPSGB) was responsible for both the professional and regulatory aspects of pharmacy.

The mltB gene located adjacent to xopE3 is typically annotated as

The mltB gene located adjacent to xopE3 is typically annotated as encoding a lytic transglycosylase. The protein MltB has 63% sequence identity to HopAJ1 from Pseudomonas syringae pv. tomato DC3000, which is annotated as a type III secretion helper protein. Although HopAJ1 is not a type III

secretion system substrate, it does contribute to effector translocation, presumably by enabling the type III secretion system to penetrate the peptidoglycan layer in the bacterial periplasm and deliver virulence proteins into host cells (Oh et al., 2007). While the deletion of this selleck compound gene in X. axonopodis pv. citri 306 reduces the ability to cause citrus canker, MltB is not reported as a type III effector, but as a type III secretion helper expressed specifically during in vivo multiplication (Laia et al., 2009). Orthologs of this helper can be found in diverse bacteria including Ralstonia, Pseudomonas and Xanthomonas, suggesting a conserved role, probably in virulence. The third gene, xopE2 (syn. avrXacE3), has more orthologs within six other Xanthomonas genomes (Table S1), but only the C-terminal region is present in pXap41. selleck kinase inhibitor This truncated gene encodes a 156 amino acid protein whereas about 380 residues are expected from its orthologs. As the signal peptide cleavage site, and the N-myristoylation signal that putatively affects localization in plant cells (Thieme et al., 2007) is absent, the product encoded by xopE2 would probably not

be functional. The xopE2 gene is generally chromosome associated and often flanked by mobile genetic elements. In pXap41, the truncated xopE2 is preceded by an ISXac3 transposase gene. The G+C ratio of the truncated xopE2 (60.3%) is slightly lower than the rest of the plasmid (62.3%). This truncated gene and the 1 kb upstream region are duplicated on X. arboricola pv. pruni chromosome (100% identity), but the downstream

region is divergent. This provides evidence for acquisition by horizontal gene transfer, but also supports the hypothesis of terminal reassortment of type III effectors (Moreira et al., 2010). Overall, the presence of putative virulence-associated proteins on pXap41 suggests that this plasmid may contribute to Dichloromethane dehalogenase the virulence of its bacterial host towards Prunus spp. The intensive traces of DNA rearrangements that were observed within regions of this plasmid containing the virulence-associated encoding genes may help explain how type III effectors with novel virulence functions can evolve. Generally, these may influence bacterial host plant specificity and lead to the rapid emergence of new infectious agents or allow the bacteria to adapt rapidly after the host plant has acquired resistance to certain type III effectors. The presence of the plasmid pXap41 was confirmed with plasmid profiles for eight representative strains of X. arboricola pv. pruni retained for their broad geographical origin, year and host isolation (Table 1).

After subtraction of T melanosporum Mel28 with the T indicum ge

After subtraction of T. melanosporum Mel28 with the T. indicum genomic DNA and reverse dot blot analysis, 34 specific sequences (32 single independent sequences and

two forming a contig) were obtained (Table 2; accession numbers HN262686–HN262718). All sequences, except one, shared similarity with the TE. Clone gSSHmi-18 showed no similarity to any sequence in the databases. To further validate the specificity of our technical approach, primers G13177f and G13177r were designed on two gSSH clones (gSSHmb-2 and gSSHmb-46) and used to amplify genomic DNA from different Tuber species (Fig. 1). Only the four T. melanosporum samples yielded an amplified band of the expected size. This band was sequenced and analyzed, finding high nucleotide similarity (96%) to the T. melanosporum-specific gypsy element, identified by Riccioni et al. (2008). Tuber melanosporum is the first Tuber species and the second Belnacasan order mycorrhizal fungus whose genome GKT137831 research buy has been completely sequenced (Martin et al., 2010). The T. melanosporum genome is very large (125 Mb) as compared with other filamentous fungi. Analyses of the sequencing data highlighted an extreme richness in TEs (58%) in the T. melanosporum genome. TEs are short DNA sequences, able to insert their own copies into new

genomic positions. They were described for the first time by McClintock (1950, 1956) as ‘controlling elements’ playing a role in the evolution of genomes. The movement of TEs is responsible for genomic variation in the content of both intergenic and genic Dolutegravir nmr regions (Morgante et al., 2007). Interestingly, almost all the sequences we have identified in the T. melanosporum genome and absent in T. borchii and T. indicum corresponded to TEs, mainly belonging to the gypsy group. This may indicate either that the richness in TEs in not a common feature in species of the genus

Tuber or that each Tuber species owns different kinds and distributions of TEs. The genome sequencing of other Tuber species could help testing these hypotheses. However, our finding supports the idea of Martin et al. (2010) that T. melanosporum has a peculiar genome organization when compared with other fungal genomes. Our data may be useful to develop DNA-based molecular markers for Tuber species’ discrimination. This is particularly important for the two black truffles, which show similar morphological features and a strict neighborhood in phylogenetic analysis, but different economic value (Geng et al., 2009). Tuber indicum has become a well-known edible fungus around the world, but sale of fruiting bodies and inoculated seedlings is forbidden in Italy to avoid fraud and ecological competition with the local, highly valuable T. melanosporum. Nevertheless, Murat et al. (2008) demonstrated the presence of T. indicum in a plantation in Italy. Some molecular studies were carried out to discriminate T. melanosporum and T. indicum (Paolocci et al.

In the

same way, mice receiving 104 or 102 CFU were eutha

In the

same way, mice receiving 104 or 102 CFU were euthanized at days 3/4 or 5 postinfection, respectively. Bacterial inocula were prepared RG7422 price growing tagged strains overnight in LB at 28 °C. Cultures were centrifuged, diluted in physiological saline and inoculated to mice. Viable bacteria in the inocula were quantified by dilution and plating onto LB agar plates with appropriate antibiotics. MLN were removed daily postintraperitoneal infection and incubated for 20 min in 3 mL of HBSS containing 100 mg mL−1 of gentamicin, followed by three washes in 10 mL of HBSS without antibiotic, before single-cell suspensions were prepared using an iron mesh sieve. Then, the isolated cells were processed as described above (Expression and secretion of SopB in infected eukaryotic cells) in order to obtain a soluble and an insoluble fraction to analyze the expression and translocation, respectively. The expression and secretion of SopB was studied in vitro and in vivo using a FLAG-tagged strain of Salmonella Typhimurium. First, we analyzed the phenotype of the tagged

strains in all models of infection used throughout the experiments. As shown in Table 1, no significant differences in virulence were found between parental and tagged strains. These results are in accord with those reported earlier (Giacomodonato et al., 2007, 2009) and confirm that epitope tagging does not impair the invasiveness, colonization capacity or virulence of Salmonella. Consequently, we used our FLAG-tagged strains of Salmonella as a tool to study the in vitro and Antidiabetic Compound Library price in vivo expression and translocation of SopB. To investigate the capacity of the Salmonella-tagged strains to synthesize and secrete SopB, bacteria were grown under different conditions resembling early and late stages of Salmonella infection (as described in Materials and methods). Under conditions that mimic the intestinal environment Salmonella synthesized SopB (Fig. 1b, lane 1). Interestingly, this effector protein was also found associated

with bacteria cultured under Fludarabine chemical structure conditions that resemble the early and late intracellular environment (Fig. 1b, lanes 2 and 3), whereas SopA expression was evident only under conditions that mimic the intestinal milieu (Fig. 1a, lane 1). On the other hand, although SopB expression was evident under all conditions tested, its secretion was observed only into media that mimic the intestinal environment (Fig. 1e, lane 1). As expected for a dual effector translocated by both TTSSs, SopD was synthesized and secreted at similar levels under all conditions analyzed (Fig. 1c, lanes 1–3 and Fig. 1f, lanes 1–3). Taken together these results suggest that SopB can be synthesized not only by Salmonella located in the intestinal environment but also by intracellular bacteria. To investigate to what extent SopB is induced intracellularly, confluent HEp-2 cells were infected with Salmonella-tagged strains.