The results show that the transient component of the Franssen stimulus, with a shorter first spike latency and higher discharge rate than the sustained tone, encodes the perception of sound location. Furthermore, the persistent erroneous perception of the sustained stimulus location is due to continued excitation of the same neurons, first activated by the transient, by the sustained stimulus without location information. These results demonstrate

for the first time, on a trial-by-trial find more basis, a correlation between perception of an auditory spatial illusion and a subcortical physiological substrate. “
“Hippocampal CA1 pyramidal cells, which receive γ-aminobutyric acid (GABA)ergic input from at least 18 types of presynaptic neuron, express 14 subunits of the pentameric GABAA receptor. The relative contribution

of any subunit to synaptic and extrasynaptic receptors influences the dynamics of GABA and drug actions. Synaptic receptors mediate phasic GABA-evoked conductance and extrasynaptic receptors contribute to a tonic conductance. We used freeze-fracture replica-immunogold labelling, a sensitive quantitative immunocytochemical PLX3397 method, to detect synaptic and extrasynaptic pools of the alpha1, alpha2 and beta3 subunits. Antibodies to the cytoplasmic loop of the subunits showed immunogold particles concentrated on distinct clusters of intramembrane particles (IMPs) on the cytoplasmic face of the plasma membrane on the somata, dendrites and axon initial segments, with an abrupt decrease in labelling at the edge of the IMP cluster. Neuroligin-2, a GABAergic synapse-specific adhesion molecule, co-labels all beta3 subunit-rich IMP clusters, therefore we considered them synapses. Tolmetin Double-labelling for two subunits showed that virtually all somatic synapses contain the alpha1, alpha2 and beta3 subunits. The extrasynaptic plasma membrane of the somata, dendrites and dendritic spines showed low-density immunolabelling.

Synaptic labelling densities on somata for the alpha1, alpha2 and beta3 subunits were 78–132, 94 and 79 times higher than on the extrasynaptic membranes, respectively. As GABAergic synapses occupy 0.72% of the soma surface, the fraction of synaptic labelling was 33–48 (alpha1), 40 (alpha2) and 36 (beta3)% of the total somatic surface immunolabelling. Assuming similar antibody access to all receptors, about 60% of these subunits are in extrasynaptic receptors. “
“Disorders implicating the basal ganglia are often characterized by postural deficits, but little is known about the role of the basal ganglia in posture control. Using wireless multi-electrode recording, we measured single unit activity from GABAergic and dopaminergic neurons in the substantia nigra as unrestrained mice stood on an elevated platform while introducing continuous postural disturbances in the roll plane.

LDH was lower in HIV-positive patients, but the other laboratory parameters, namely CPK, creatinine, AST and Quick prothrombin time, did not differ significantly between the groups. Roughly similar proportions of HIV-positive (7%) and HIV-negative (8%) patients had bacteria detected in valid respiratory samples and/or blood cultures and/or urine antigens at admission (Table 2b). Streptococcus pneumoniae was the most common bacterium, accounting

for 12 (71%) of the 17 bacteria detected. As expected, a substantial proportion of HIV-infected patients (95%; n=53) were treated with oseltamivir. This proportion was higher than that in HIV-negative patients (71%; n=119) (P=0.0003) (Table 3). However, roughly similar proportions of HIV-positive (52%; n=20) and HIV-negative (49%; n=82) patients received antibacterial therapy (P=0.6997). There was a trend towards NVP-LDE225 purchase a NVP-BGJ398 clinical trial shorter duration of hospital stay (mean±standard deviation) in HIV-positive patients (1.1±2.3) than in HIV-negative patients (2.0±3.4) (P=0.0812), and fewer HIV-positive patients (n=15; 27%) were admitted for 1 day or longer compared with HIV-negative patients (n=70; 42%) (P=0.0564). Concordantly, a higher proportion of HIV-positive patients (77%; n=43) than HIV-negative patients (56%; n=94) showed clinical recovery in less than 1 week (P=0.0068). None (0%) of the HIV-positive patients died, but three (2%) of the HIV-negative

patients died. Causes of death in each patient were multifactorial. Table 3 shows a list of specific complications in HIV-positive and HIV-negative patients identified after admission. Similar proportions of HIV-positive (13%; n=7) and HIV-negative (11%; n=18) patients developed intrahospital complications (P=0.8066). Interestingly, there were three patients (two HIV-positive and one HIV-negative) who developed myocarditis and/or ischaemic cardiovascular episodes, one of whom had no previous history of cardiovascular disease. There were also three patients with acute hepatitis (one HIV-positive

and two HIV-negative); in two of these patients this was attributed to oseltamivir. There were more HIV-positive (48 of 56; 86%) than HIV-negative CYTH4 (65 of 168; 39%) patients without comorbidities. When the two groups were compared, therapy with oseltamivir was found to be significantly more common, and there was a trend towards more frequent antibacterial therapy, in HIV-positive patients than in HIV-negative patients (Table 4). There were no significant differences between the groups in the proportion of patients with a delayed influenza A H1N1 diagnosis, pneumonia or respiratory failure. There were no differences either in the duration of hospital stay, clinical recovery, intrahospital complications and evolution to death. Nevertheless, all three patients who died belonged to the HIV-negative group without comorbidities.

Neither type nor duration of diabetes or interruption of feeds are quantified as they were not consistently recorded in patient notes. This study highlights the prevalence of hypoglycaemia in patients on nasogastric feeding. It supports optimal blood glucose monitoring

and treatment with insulin rather than sulphonylureas, and highlights the need for appropriate medication reduction based on blood glucose monitoring results. There are no Ku-0059436 conflicts of interest declared. Funding: none. This study showed hypoglycaemia was prevalent in inpatients with diabetes on established nasogastric feeding in the general ward, with increased frequency associated with longer duration of feeding but not with feed carbohydrate content There was an association between sulphonylurea treatment and increased and extended hypoglycaemia. Reducing diabetes treatment post-hypoglycaemia was associated with reduced subsequent hypoglycaemia but not increased hyperglycaemia This study supports insulin treatment, optimal blood glucose monitoring, and judicious medication reduction post-hypoglycaemia “
“A three-year-old female was admitted to the hospital with a diagnosis of new-onset type 1 diabetes and diabetic ketoacidosis. Her past medical history was unremarkable. She lived with her parents who had immigrated to the United States as refugees

from the Middle East three months buy Venetoclax before. After resolution of diabetic ketoacidosis, the process of diabetes education started with the help of a professional interpreter from the hospital. The mother rejected diabetes education, telling the paediatric endocrinology team that, since the patient

is living in BCKDHA the United States, there should be a cure for diabetes so that her daughter would not need insulin injections. The aetiology, pathology, diagnosis and management of diabetes in children were explained to the mother, including the fact that it is not a curable condition but is a treatable one that requires testing blood glucose and giving daily insulin injections. The mother burst into crying spells whenever she tried to obtain a finger blood stick on her child. The father was more able to accept the situation and slowly started learning the process of care. The mother suggested not using insulin and preferred asking God to cure her daughter. We explained that insulin is necessary for survival. The paediatric team – which included physicians, nurses, diabetes educators, a social worker and a psychologist – visited the family on a daily basis to help with diabetes education and management. Finally, a paediatrician who spoke the native language of the family, and who shared their religious and cultural roots and had experienced immigration, volunteered to help. The paediatrician finalised the education process translating the medical advice into terms compatible with the family’s cultural and religious beliefs. He was able to temper the mother’s exaggerated hope for cure.

This is also valid for Frankia that fix nitrogen both in free-living and in symbiotic conditions. Frankia symbiosis results from interaction between the Frankia bacteria and dicotyledonous plants, that is, actinorhiza. These plants, which are important in forestry and agroforestry, form, together with the

legumes (Fabales), a single Hormones antagonist nitrogen-fixing clade. It has been shown that a receptor-like kinase gene, SymRK, is necessary for nodulation in actinorhizal plants as well as in legumes and arbuscular mycorrhizal fungi. Recently, the involvement of isoflavonoids as signal molecules during nodulation of an actinorhizal plant was shown. The genome sizes of three Frankia species, Frankia EANpec, ACN14a and CcI3, are different, revealing a relationship between genome size and geographical distribution. Recent genomic sequencing data of Frankia represent genomes from cluster I to IV, indicating that the genome of DgI is one of the smallest genomes

in Frankia. In addition, nonsymbiotic Frankiales such as Acidothermus cellulolyticus, Blastococcus saxoobsidens, Geodermatophilus obscurus and Modestobacter marinus have a variety of genome sizes ranging from 2.4 to 5.57 Mb. “
“Some Candida species are common commensals, which can become BYL719 mw opportunistic pathogens in susceptible hosts. In severely ill patients, Candida species, particularly Candida albicans, can cause life-threatening systemic infections. These infections are difficult to diagnose, as symptoms are similar to those of systemic bacterial infections. These difficulties can lead to delays in initiation in antifungal therapy, which contributes to the selleck products high mortality rates (>40%) associated with these infections. In order to investigate systemic Candida infection, mouse models have been developed that mimic human disease, the most common being the intravenous infection model and the gastrointestinal colonization

and dissemination model. This review discusses the two models and the contributions that they have made to our understanding of fungal virulence, host response to infection and the development of novel antifungal therapies and diagnostics. A select number of Candida species are usually found as harmless commensals in the gastrointestinal tract, oral cavity and genital area of healthy individuals. Candida spp. can be isolated from the majority of healthy individuals, with the highest fungal counts found in the duodenum (Kusne et al., 1994). The most common species isolated is Candida albicans, with Candida parapsilosis, Candida glabrata, Candida tropicalis, Candida dubliniensis and Candida krusei also found (Kusne et al., 1994; Scanlan & Marchesi, 2008).

Prior to experimental sessions, the mental capacity of subjects to learn the imagery techniques was tested by the Kinesthetic and Visual Imagery Questionnaire and a chronometric test. The Kinesthetic and Visual Imagery Questionnaire is an imagery assessment tool comprised of 10 items, each scored on a five-point ordinal scale, including the image clarity (visual dimension) and the sensations intensity (kinesthetic dimension) of body movements. Each item describes an action: (i) neck flexion/extension, (ii) shoulder shrugging, (iii) forward trunk flexion, (iv) forward MEK activity shoulder flexion, (v) elbow flexion, (vi) thumb to finger tips, (vii) knee extension, (viii) hip abduction, (ix)

foot external rotation, and (x) foot tapping. Subjects physically execute each movement and immediately afterwards imagine performing the same movement. A score of 5 corresponds

to the highest clarity/intensity, and a score of 1 corresponds to the lowest clarity/ intensity (for a review, see Malouin et al., 2007). The Kinesthetic and Visual Imagery Questionnaire scores allowed the researcher to assess each participant’s abilities and decide whether the subject was a suitable GSI-IX chemical structure candidate for MP. Comparing actual and imagined movement times, the chronometric test determined the motor imagery ability of participants. For the test, sitting on a chair with a back rest with both feet resting on the floor, the subject was asked (i) to physically write one six-letter word, and (ii) to imagine the same movement for each upper limb (dominant and non-dominant hand). Two trials were performed. The test always began with the dominant hand. A motor imagery index was calculated (imagery time/executed time) for each subject as an indicator of the temporal congruence of the imaged and physically executed task. If the duration of imagined action had a much larger variance (> 0.4) than the real movement duration, the subject was excluded. Subjects who successfully performed the chronometric test and reached high Kinesthetic and Visual Erythromycin Imagery Questionnaire scores were invited

to participate in experimental sessions. For the experimental sessions, the subjects were seated in a comfortable chair, with head and arm rests. With closed eyes and through earphones, the instructions for mental activity were provided by an audiotape, recorded by a female voice. The tape lasted 13 min and consisted of three steps. Three minutes of relaxation exercises, in which the subject was instructed to imagine him/herself in a warm, relaxing place (e.g. a beach) and to contract and relax different muscle groups in the body (i.e. progressive relaxation) (Page et al., 2007). Seven minutes of mentally writing, in which the subject was instructed to imagine him/herself writing Portuguese words (a six-word set) with the non-dominant hand. Each six-word set was composed of a sequence of four/six/eight-letter words.

alvi, of the stomach, of the digestive organs). Cells are Gram-positive, nonmotile, nonspore-forming, short-rod-shaped and catalase-negative. Growth occurs under aerobic and anaerobic conditions. Colonies are white, irregular, and convex

when grown on MRS agar under aerobic conditions for 48 h. Better growth is obtained at 40 than 37 °C. The DNA G+C content is 42.7 mol%. Acid is produced from ribose, galactose, d-glucose, d-mannose, maltose, lactose, melibiose, sucrose, and d-raffinose. No acid is produced from glycerol, erythritol, d- and l-arabinose, d- and l-xylose, adonitol, β-methyl-d-xyloside, d-fructose, l-sorbose, rhamnose, dulcitol, inositol, mannitol, sorbitol, α-methyl-d-mannoside, α-methyl-d-glucoside, N-acetyl-glucosamine, amygdalin, arbutin, esculin, salicin, cellobiose, trehalose, inulin, melezitose, Natural Product Library molecular weight amygdalin, glycogen, xylitol, β-gentiobiose, d-turanose, d-lyxose, d-tagatose, d- and l-fucose, d- and l-arabitol, gluconate, 2-keto-gluconate and 5-keto-gluconate. The strain is heterofermentative and produces dl-lactic acid from glucose. The predominant cellular fatty acids are C18:1 ω9c and C16:0. The type strain, R54T (=KCCM 90099T = JCM 17644T), was isolated from the gizzard

of hens. This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and selleck Technology (2009-0090020). We also thank Dr J. P. Euzéby for suggestions regarding nomenclature. The GenBank accession number for the 16S rRNA gene sequence of strain R54T is HQ718585. “
“The gyrase mutations and efflux pumps confer fluoroquinolones (FQ) resistance in Mycobacterium tuberculosis. However, the contribution of two mechanisms in FQ mono-resistant M. tuberculosis is still unclear. Here, we investigated the contribution of gyrase mutations and efflux pumps to FQ resistance among 17 clinical FQ mono-resistant strains. Our data showed that gyrase mutations in gyrA QRDR Morin Hydrate were only responsible for four FQ mono-resistant strains. Mutations located in Ala90 and Asp94

of GyrA confer high-level LFX resistance, which can be explained by 3D modeling affinity change between GyrA and LFX. In addition, we found that a high level of efflux pump pstB transcripts may confer FQ resistance in two high-level FQ-resistant isolates (MIC ≥ 4 μg mL−1). The recombinant Escherichia coli with pstB revealed greatly increased MIC level from < 0.125 μg mL−1 to 2 μg mL−1. For the two isolates harboring high-level pstB transcripts, the presence of CCCP reduced LFX resistance to 1.0 μg mL−1. The transcriptional levels of pstB showed no significant difference among 10 clinical M. tuberculosis isolates with different drug susceptibility profiles. In conclusion, our findings demonstrate that both QRDR mutation and efflux pump mechanisms are responsible for monoresistance to FQ. PstB may serve as FQ-related efflux pumps in M. tuberculosis.

plantarum DSM 2648 were also evaluated. EPEC were enumerated selectively on sorbitol MacConkey agar Daporinad chemical structure plates incubated aerobically at 37 °C for 18 h. EPEC adherence during coincubation with L. plantarum DSM 2648 was calculated

as a percentage of the adherence of the EPEC strain during 3- and 6-h incubations, respectively. Treatments were compared using a paired-samples t-test (two tails). The activity of four L. plantarum strains obtained from DSM and 15 human oral lactobacilli isolates was compared with eight commercially used probiotics chosen on the basis of published data showing their efficacy in various in vitro and/or in vivo models. Fifteen human oral bacteria were isolated with the intention of obtaining novel L. plantarum strains; however, based on 16S rRNA gene sequencing, only one was L. plantarum (Table 2). The most commonly isolated species were selleckchem L. rhamnosus and Lactobacillus fermentum, of which four and five strains were isolated, respectively. The other isolates were strains of Lactobacillus paracasei, Lactobacillus oris, Lactobacillus helveticus, Lactobacillus gasseri and Lactobacillus jensenii. The commercially used probiotics were screened in the TEER assay to assess their effect on the integrity of the tight junctions between the intestinal confluent undifferentiated Caco-2 monolayers

(5 days old). Lactobacillus plantarum MB452 was used to normalize between assays, because it has a consistently positive effect on TEER (unpublished data). Lactobacillus plantarum 299, L. rhamnosus HN001 and Bifidobacterium lactis Bb12 were the three commercially used probiotics that had the greatest positive effect on TEER measurements and induced increases compared with the control media of 158%, 222% and 148%, respectively (Table 1). Only L. rhamnosus HN001 positively enhanced the overall TEER more than L. plantarum MB452 (P<0.05 compared

with L. plantarum MB452). Lactobacillus rhamnosus HN001 was selected as the benchmark for isolate comparison because it had the greatest positive effect on TEER at all time points and the smallest variation between replicates http://www.selleck.co.jp/products/Verteporfin(Visudyne).html (Fig. 1a). Lactobacillus rhamnosus HN001 reduces the severity of pathogen infections (Gill et al., 2001; Shu & Gill, 2002) and stimulates the immune response in rodents (Gill et al., 2000; Gill & Rutherfurd, 2001a, b; Cross et al., 2002), and this study shows that it is also able to enhance tight junction integrity. The 19 bacterial isolates were screened in the TEER assay using confluent undifferentiated Caco-2 monolayers (5 days old) to determine whether any isolates were able to enhance TEER to a greater extent than the commercially used probiotic benchmark, L. rhamnosus HN001. Nine isolates positively enhanced TEER compared with the control media (Table 2; P<0.05). Of these, one isolate, L.

coli; as a control, the D1 (Lnt) and D2 (Ppm) domains of PpmMtu were also cloned in the same system (pB16 and pB17, respectively; Table 1). The D1 and D2 domains of PpmMtu indeed interacted, as evidenced by the increase in β-galactosidase activity buy Epacadostat in cultures carrying both pB16 and PB17, when compared to the background levels observed with either one or both empty vectors (Fig. 3b). On the other hand, when the cultures carried pB18 (Lnt1) and pB19 (PpmSco), no significant increase in β-galactosidase activity above the background

was observed (Fig. 3c), meaning that Lnt1 and PpmSco do not interact, a result consistent with the previous observation that Lnt1 is dispensable for Ppm function in S. coelicolor. The S. coelicolor pmt gene (sco3154) encodes a protein mannosyl transferase (PmtSco) that is essential for infection by φC31 and for glycosylation of the PstS protein (Cowlishaw & Smith, 2001; Wehmeier et al., 2009). PmtSco is a homologue of ALK inhibitor M. tuberculosis protein mannosyl transferase (PmtMtu). We therefore decided to analyze whether PmtSco was responsible for glycosylation of Apa by S. coelicolor. For this purpose, we obtained an S. coelicolor mutant carrying an in-frame deletion

of the pmt gene (strain IB25, Table 1). Phage φC31 was unable to form plaques in IB25, as expected (Fig. 4a, plate 2; Table S2). In addition, the Apa protein produced from the Δpmt mutant IB25 carrying the cloned apa gene (in plasmid pBL1; Fig. 4b, lane 2) was not glycosylated, as indicated by its lack of reactivity to ConA (Fig. 4c, lane 2), compared with the same protein obtained from the wild-type J1928 (Fig. 4b lane 1 and c, lane 1). This result means that PmtSco (which is responsible for glycosylation of the φC31 receptor and of the PstS protein in S. coelicolor) is also responsible for 2-hydroxyphytanoyl-CoA lyase glycosylation of the heterologously expressed Apa protein. We therefore asked whether PmtMtu could complement the null mutation in the Δpmt mutant IB25;

heterologous expression of PmtMtu might be particularly important for synthesis of mycobacterial glycoproteins in Streptomyces, as this enzyme is the one responsible for recognition of sites in proteins targeted for glycosylation. In contrast to N-glycosylation, where a linear sequence constitutes a glycosylation site (Nothaft & Szymanski, 2013), there is no clear consensus of what constitutes a target site for O-glycosylation by the Pmt enzymes, although there appears to be a poorly defined sequence requirement, usually consisting of a threonine- and proline-rich region, which may point to a structural requirement (Lommel & Strahl, 2009; Espitia et al., 2010). If there are differences in recognition of sites targeted for glycosylation between Pmt enzymes, then the expression of PmtMtu in S. coelicolor might produce mycobacterial glycosylated proteins that are more similar to the native ones produced by M. tuberculosis. To answer whether PmtMtu is functional in S.

Partner selection strategies may therefore play an important role in contracting new STIs among people living with HIV. In particular, selecting same-HIV-status sexual partners for unprotected sex (i.e. serosorting) does not protect against and may even increase STI risks [7,29]. In addition, the greatest rates of condom use with non-HIV-positive partners were observed among participants who had been diagnosed with an STI and had a detectable viral load, again suggesting that people living with HIV take their viral load into account when making sexual decisions. The current findings should be interpreted in the light of their

methodological limitations. Although statistically Veliparib mouse significant, some of the associations we observed were small in magnitude, such as the differences between STI groups in age and education. We used the more reliable and valid computerized interviews to collect sexual behaviours because they are less likely to induce socially desirable responding. Still, our behavioural measures were self-reported and may nevertheless have been influenced

by social desirability biases. The behavioural risks that we observed should therefore be considered lower-bound estimates of HIV transmission risks among people living with HIV/AIDS. In addition, we measured STI coinfection using self-reports which are also limited by socially desirable responding. Our community sample of people living with HIV/AIDS prohibited access to multiple clinics for medical records to Akt inhibitor confirm STI diagnoses. We also did not collect biological specimens for STI confirmation because point prevalence estimates do not confirm broader intervals of diagnoses. We were also unable to detect asymptomatic STIs, again suggesting a lower-bound

estimate of STIs. Our study was conducted with a convenience sample recruited in one city in the southeastern USA, limiting the generalizability of our findings to other populations in other regions. With these limitations in mind, Urocanase we believe that the current findings have important implications for prevention of HIV transmission by people living with HIV/AIDS. Research over the past decade shows that believing a person with HIV is less infectious when told they have an undetectable viral load is associated with HIV transmission risk behaviours [30]. Left unchecked, infectiousness beliefs can lead to increased risk behaviours, such as increased numbers of sexual partners, and therefore increased exposure to STIs, resulting in individuals being more infectious than they could possibly know from their blood serum viral load. Fortunately, beliefs are amenable to interventions. Providing accurate information about the risks for STI and HIV transmission that is relevant to one’s relationships and life circumstances may be sufficient to reduce HIV transmission risks among some persons living with HIV/AIDS.

This is a homolog of the master regulator of general stress response, σB, and the sporulation-specific sigma see more factor, σF, in Bacillus subtilis. The organization of these genes in M. marinum and B. subtilis is similar. Transcriptome and qRT-PCR data show that these genes are indeed expressed in M. marinum and that the levels of expression vary with growth phase and exposure to stress. In particular, cold stress caused a significant rise in the expression of all identified rsb and sigF genes. We discuss these data in relation to what is currently known for other

Mycobacterium spp. “
“Many endophytic fungi have been found to synthesize bioactive compounds to defend host plants against pathogenic organisms. Here we performed anti-fungal bioassay of 80 endophytic fungi isolated from Ginkgo biloba. Fifteen endophytes LDE225 were active against at least one of the selected fungi, Fusarium graminearum, Sclerotinia sclerotiorum and Phytophthora capsici, using the agar diffusion method. The most bioactive strain CDW7 was identified as Chaetomium globosum by microscopic examination and ITS rRNA gene sequence data. Culture broth of CDW7 diluted 3-fold completely inhibited the mycelial growth and conidia germination of F. graminearum in vitro. Therefore, Fusarium head blight, a common disease in wheat and barley

associated with Fusarium spp., was used to test the anti-phytopathogenic activity in vivo. The fermentation broth of CDW7 resulted in a protective efficacy of 54.9% and curative efficacy of 48.8%. Followed by a bioassay-guided approach, 1,2-benzenedicarboxaldehyde-3,4,5-trihydroxy-6-methyl (flavipin) was isolated and demonstrated to significantly inhibit the growth of several plant-pathogenic fungi, especially F. graminearum with an EC50 value of 0.73 μg mL−1 comparable to the commonly used fungicide carbendazim, indicating that it could be used as a fungicide or as a lead compound Montelukast Sodium of new fungicides. “
“The mycotoxin deoxynivalenol (DON), a secondary metabolite produced by species of the plant pathogen

Fusarium, causes serious problems in cereal crop production because of its toxicity towards humans and livestock. A biological approach for the degradation of DON using a DON-degrading bacterium (DDB) appears to be promising, although information about DDBs is limited. We isolated 13 aerobic DDBs from a variety of environmental samples, including field soils and wheat leaves. Of these 13 strains, nine belonged to the Gram-positive genus Nocardioides and other four to the Gram-negative genus Devosia. The degradation phenotypes of the two Gram types were clearly different; all washed cells of the 13 strains degraded 100 μg mL−1DON to below the detection limit (0.5 μg mL−1), but the conditions inducing the DON-degrading activities differed between the two Gram types.