Publications
| Title | Abstract | Year Filter | PMID(sorted descending) Filter |
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| bacillus spp. isolated from puba as a source of biosurfactants and antimicrobial lipopeptides. | several products of industrial interest are produced by bacillus, including enzymes, antibiotics, amino acids, insecticides, biosurfactants and bacteriocins. this study aimed to investigate the potential of two bacterial isolates (p5 and c3) from puba, a regional fermentation product from cassava, to produce multiple substances with antimicrobial and surface active properties. phylogenetic analyses showed close relation of isolates p5 and c3 with bacillus amyloliquefaciens and bacillus thuringie ... | 2017 | 28197131 |
| design, synthesis, and antibacterial activities of novel heterocyclic arylsulphonamide derivatives. | design, synthesis, and antibacterial activities of a series of arylsulphonamide derivatives as probable peptide deformylase (pdf) inhibitors have been discussed. compounds have been designed following lipinski's rule and after docking into the active site of pdf protein (pdb code: 1g2a) synthesized later on. furthermore, to assess their antibacterial activity, screening of the compound was done in vitro conditions against gram-positive and gram-negative bacterial strains. in silico, studies reve ... | 2017 | 28194576 |
| substance p and calcitonin gene-related peptide: key regulators of cutaneous microbiota homeostasis. | neurohormones diffuse in sweat and epidermis leading skin bacterial microflora to be largely exposed to these host factors. bacteria can sense a multitude of neurohormones, but their role in skin homeostasis was only investigated recently. the first study focused on substance p (sp), a neuropeptide produced in abundance by skin nerve terminals. sp is without effect on the growth of gram-positive (bacillus cereus, staphylococcus aureus, and staphylococcus epidermidis) and gram-negative (pseudomon ... | 2017 | 28194136 |
| emergence of multi drug resistance among soil bacteria exposing to insecticides. | impacts of pesticide exposure on the soil microbial flora and cross resistance to antibiotics have not been well documented. development of antibiotic resistance is a common issue among soil bacteria which are exposing to pesticides continuously at sub-lethal concentration. the present study was focused to evaluate the correlation between pesticide exposures and evolution of multi drug resistance among isolates collected from soil applied with insecticides. twenty five insecticide (monochrotopho ... | 2017 | 28192223 |
| an assessment of the microbiological quality of liver-based pâté in england 2012-13: comparison of samples collected at retail and from catering businesses. | the purpose of this study was to investigate the microbiological quality of liver pâté. during 2012-13, a total of 870 samples, unrelated to the investigation of food-poisoning outbreaks, were collected either at retail (46%), catering (53%) or the point of manufacture (1%) and were tested using standard methods to detect salmonella spp. or campylobacter spp., and to enumerate for listeria spp., including listeria monocytogenes, clostridium perfringens, coagulase-positive staphylococci including ... | 2017 | 28190406 |
| functional expression and purification of recombinant hepcidin25 production in escherichia coli using sumo fusion technology. | hepcidin25 is a small cysteine-rich peptide hormone known as a new class of antimicrobial peptides. the purpose of the present study was to express, purify and investigate the antibacterial properties of recombinant human hepcidin25 protein production in escherichia coli. human hepcidin25 gene was optimized and fused to a small ubiquitin-related modifier (sumo) gene for higher expression. then sumo-hepcidin25 was cloned into the pet-32a (+) vector and expressed in e. coli origami. the fusion pro ... | 2017 | 28188870 |
| molecular recognition and binding of beta-lactamase ii from bacillus cereus with penicillin v and sulbactam by spectroscopic analysis in combination with docking simulation. | the molecular recognition and binding interaction of beta-lactamase ii from bacillus cereus (bc ii) with penicillin v (pv) and sulbactam (sul) at 277 k were studied by spectroscopic analysis and molecular docking. the results showed that a non-fluorescence static complex was separately formed between bc ii and two ligands, the molecular ratio of bc ii to pv or sul was both 1:1 in the binding and the binding constants were 2.00 × 10(6) and 3.98 × 10(5) (l/mol), respectively. the negative free ene ... | 2017 | 28185399 |
| enhanced extracellular production of recombinant proteins in escherichia coli by co-expression with bacillus cereus phospholipase c. | our laboratory has reported a strategy for improving the extracellular production of recombinant proteins through co-expression with thermobifida fusca cutinase, which increases membrane permeability via its phospholipid hydrolysis activity. however, the foam generated by the lysophospholipid product makes the fermentation process difficult to control in a fermentor. phospholipase c (plc) catalyzes the hydrolysis of phospholipids to produce sn1,2-diacylglycerides and organic phosphate, which do ... | 2017 | 28178978 |
| alliacane sesquiterpenoids from submerged cultures of the basidiomycete inonotus sp. bcc 22670. | nine alliacane sesquiterpenoids, inonoalliacanes a-i, were isolated from culture broth of the basidiomycete inonotus sp. bcc 22670. the structures were elucidated on the basis of nmr spectroscopic and mass spectrometry data. the absolute configuration of inonoalliacane f was determined by application of the modified mosher's method. inonoalliacane a, the most abundant sesquiterpene constituent, exhibited moderate antibacterial activity against bacillus cereus, whereas inonoalliacane b showed ant ... | 2017 | 28173949 |
| microbial interactions in the phyllosphere increase plant performance under herbivore biotic stress. | the phyllosphere supports a tremendous diversity of microbes and other organisms. however, little is known about the colonization and survival of pathogenic and beneficial bacteria alone or together in the phyllosphere across the whole plant life-cycle under herbivory, which hinders our ability to understand the role of phyllosphere bacteria on plant performance. we addressed these questions in experiments using four genetically and biogeographically diverse accessions of arabidopsis thaliana, t ... | 2017 | 28163703 |
| epidihydropinidine, the main piperidine alkaloid compound of norway spruce (picea abies) shows promising antibacterial and anti-candida activity. | this study reports for the first time promising antibacterial and antifungal effects of epidihydropinidine, the major piperidine alkaloid in the needles and bark of norway spruce, picea abies (l.) karsten. epidihydropinidine was growth inhibitory against all bacterial and fungal strains used in our investigation, showing the lowest mic value of 5.37μg/ml against pseudomonas aeruginosa, enterococcus faecalis, candida glabrata and c. albicans. epidihydropinidine was nearly three times more active ... | 2017 | 28163074 |
| identification of multidrug-resistant bacteria and bacillus cereus from healthcare workers and environmental surfaces in a hospital. | 2014 | 28156280 | |
| draft genome sequences of 18 psychrotolerant and 2 thermotolerant strains representative of particular ecotypes in the bacillus cereus group. | bacteria from the bacillus cereus group exhibit genetic and physiological diversity through different ecotypes. here, we present the draft genome sequences of 20 bacterial strains belonging to the contrasted psychrotolerant and thermotolerant ecotypes. | 2017 | 28153905 |
| the essential oil from the fruits of the brazilian spice xylopia sericea a. st.-hil. presents expressive in-vitro antibacterial and antioxidant activity. | the aims of this study were to investigate the chemical composition and the antioxidant activity and antibacterial activity of the essential oil of xylopia sericea fruits (oxs). the fruits of this species are popularly used for medicinal purposes, and as a condiment in food preparation. | 2017 | 28134988 |
| whole-genome resequencing of bacillus cereus and expression of genes functioning in sodium chloride stress. | bacillus cereus is one of the most common opportunistic pathogens responsible for various foodborn diseases. to investigate the regulatory mechanism of b. cereus under high osmotic pressure, two b. cereus strains b25 and b26 were isolated from the industrial soy sauce residue containing high-salt concentration. resequencing was performed by illumina/solexa platform and 13,646 snps and 434 indels were identified as common variants between b25 and b26 against reference genome, followed by cog, go, ... | 2017 | 28131953 |
| draft genome sequence of flavobacterium johnsoniae ci04, an isolate from the soybean rhizosphere. | flavobacterium johnsoniae ci04 was coisolated with bacillus cereus from a root of a field-grown soybean plant in arlington, wi, and selected as a model for studying commensalism between members of the cytophaga-flavobacterium-bacteroides group and b. cereus here we report the draft genome sequence of f. johnsoniae ci04 obtained by illumina sequencing. | 2017 | 28126949 |
| antimicrobial activity of kefir against various food pathogens and spoilage bacteria. | kefir is a unique fermented dairy product produced by a mixture of lactic acid bacteria, acetic acid bacteria, and yeast. here, we compared the antimicrobial spectra of four types of kefirs (a, l, m, and s) fermented for 24, 36, 48, or 72 h against eight food-borne pathogens. bacillus cereus, staphylococcus aureus, listeria monocytogenes, enterococcus faecalis, escherichia coli, salmonella enteritidis, pseudomonas aeruginosa, and cronobacter sakazakii were used as test strains, and antibacterial ... | 2016 | 28115890 |
| antibiotic discovery throughout the small world initiative: a molecular strategy to identify biosynthetic gene clusters involved in antagonistic activity. | the emergence of bacterial pathogens resistant to all known antibiotics is a global health crisis. adding to this problem is that major pharmaceutical companies have shifted away from antibiotic discovery due to low profitability. as a result, the pipeline of new antibiotics is essentially dry and many bacteria now resist the effects of most commonly used drugs. to address this global health concern, citizen science through the small world initiative (swi) was formed in 2012. as part of swi, stu ... | 2017 | 28110506 |
| the identification of intrinsic chloramphenicol and tetracycline resistance genes in members of the bacillus cereus group (sensu lato). | bacillus toyonensis strain bct-7112(t) (ncimb 14858(t)) has been widely used as an additive in animal nutrition for more than 30 years without reports of adverse toxigenic effects. however, this strain is resistant to chloramphenicol and tetracycline and it is generally considered inadvisable to introduce into the food chain resistance determinants capable of being transferred to other bacterial strains, thereby adding to the pool of such determinants in the gastro-enteric systems of livestock s ... | 2016 | 28101085 |
| physicochemical analyses of a bioactive 4-aminoantipyrine analogue - synthesis, crystal structure, solid state interactions, antibacterial, conformational and docking studies. | a novel schiff base derivative of 4-aminoantipyrine, that is, (e)-4-(2-methoxybenzylideneamino)-1,5-dimethyl-2-phenyl-1h-pyrazol-3(2h)-one (mba-dmpp), was synthesized and characterized by ft-ir, (1)h-nmr, and ei-ms. single-crystal x-ray diffraction data revealed mba-dmpp adopts a trans configuration around its central c=n double bond, and forms orthorhombic crystals. xrd revealed that mba-dmpp possess two different planes, in which the pyrazolone and benzylidene groups attached to c9 of the pyra ... | 2016 | 28096791 |
| bioremediation of petroleum wastewater by hyper-phenol tolerant bacillus cereus: preliminary studies with laboratory-scale batch process. | petroleum wastewater samples from oil refinery and oil exploration site were treated by hyper phenol-tolerant bacillus cereus (akg1 and akg2) in laboratory-scale batch process to assess their bioremediation efficacy. quality of the treated wastewater samples were analyzed in terms of removal of chemical oxygen demand (cod), total organic carbon (toc) and ammonium nitrogen content, and improvement of biological oxygen demand (bod). adaptation of these bacteria to the toxic environment through str ... | 2017 | 28095107 |
| dynamics of bacterial class bacilli in the deepest valley lake of kashmir-the manasbal lake. | in recognition of the importance of bacteria as ecological indicators of the aquatic systems a comprehensive and systematic analysis was carried out on manasbal lake, the deepest spring fed valley lake of kashmir. the main objective envisaged was to analyze bacterial community composition (bcc) and for this purpose systematic and regular sampling of waters from ten different sampling stations, predetermined in the lake according to differences in degree of human interference and also as zones of ... | 2017 | 28087491 |
| artp mutation and genome shuffling of abe fermentation symbiotic system for improvement of butanol production. | butanol is an ideal renewable biofuel which possesses superior fuel properties. previously, butanol-producing symbiotic system tsh06 was isolated in our lab, with microoxygen tolerance ability. to boost butanol yield for large-scale industrial production, tsh06 was used as parental strain and subjected to atmospheric and room temperature plasma (artp) and four rounds of genome shuffling (gs). artp mutant and gs strain were co-cultured with facultative anaerobic bacillus cereus tsh2 to form a sym ... | 2017 | 28074224 |
| biochemical and molecular study of carpobrotus edulis bioactive properties and their effects on dugesia sicula (turbellaria, tricladida) regeneration. | the traditional medicinal properties of carpobrotus edulis are well recognized, particularly in tunisia where it is used for wound healing. thus, in this study, biochemical and molecular properties of its leaves' bioactive aqueous-acetone extract were investigated. the total phenolic content (tpc) of the extract was estimated to be 184 ± 5 mg/100 g of fresh matter (fm). the qualitative and quantitative polyphenolic profile was determined by ultra performance liquid chromatography with diode arra ... | 2017 | 28064427 |
| identification of fatty acids in bacillus cereus. | the bacillus species contain branched chain and unsaturated fatty acids (fas) with diverse positions of the methyl branch (iso or anteiso) and of the double bond. changes in fa composition play a crucial role in the adaptation of bacteria to their environment. these modifications entail a change in the ratio of iso versus anteiso branched fas, and in the proportion of unsaturated fas relative to saturated fas, with double bonds created at specific positions. precise identification of the fa prof ... | 2016 | 28060260 |
| risk assessment in the recovery of food for social solidarity purposes: preliminary data. | the most recent study, conducted by politecnico of milan, on food surplus management in italy shows that in the italian food supply chain the food surplus is around 5.5 million tons/year, and the amount of food wasted is around 5.1 million tons/year. during 2015, the charitable organizations (cos) belonging to the italian food bank network, active in recovering and distributing food for social solidarity's purposes, reused 381,345 tons of food from 2292 donors. the main supplying sources of the ... | 2016 | 28058252 |
| in vitro evaluation of the antimicrobial ability and cytotoxicity on two melanoma cell lines of a benzylamide derivative of maslinic acid. | maslinic acid is a pentacyclic triterpene extracted from olives that has been systematically reported to exert several therapeutic effects, such as antitumoral, antidiabetic, antioxidant, anti-inflammatory, antiparasitic, and antiviral properties. recently, new derivatives of maslinic acid have been obtained and expanded the spectrum of biological activities and improved the existing ones. the present study was meant to perform the in vitro assessment of the (i) cytotoxic effects of a benzylamid ... | 2016 | 28050335 |
| bacillus cereus bacteraemia: comparison between haematologic and nonhaematologic patients. | bacillus cereus bacteraemia can be severe, especially among patients with haematologic malignancy. we retrospectively reviewed first episodes of true b. cereus bacteraemia (more than one positive bottle plus signs of infection) at our institution between 1997 and 2013 with the aim to compare haematologic versus nonhaematologic patients and analyse episodes with complicated outcome. among 56 episodes of positive-blood cultures for b. cereus, 21 were considered significant. median age was 54 years ... | 2017 | 28050250 |
| epidemiology of bacterial toxin-mediated foodborne gastroenteritis outbreaks in australia, 2001 to 2013. | bacterial toxin-mediated foodborne outbreaks, such as those caused by clostridium perfringens, staphylococcus aureus and bacillus cereus, are an important and preventable cause of morbidity and mortality. due to the short incubation period and duration of illness, these outbreaks are often under-reported. this is the first study to describe the epidemiology of bacterial toxin-mediated outbreaks in australia. using data collected between 2001 and 2013, we identify high risk groups and risk factor ... | 2016 | 28043220 |
| inactivation and changes in metabolic profile of selected foodborne bacteria by 460 nm led illumination. | the objective of this study was to investigate the effect of 460 nm light-emitting diode (led) on the inactivation of foodborne bacteria. additionally, the change in the endogenous metabolic profile of led illuminated cells was analyzed to understand the bacterial response to the led illumination. six different species of bacteria (bacillus cereus, listeria monocytogenes, staphylococcus aureus, escherichia coli o157:h7, pseudomonas aeruginosa and salmonella typhimurium) were illuminated with 460 ... | 2017 | 28040158 |
| chemical composition and biological prospects of essential oils and extracts of aphyllocladus spartioides growing in northwest argentina. | aphyllocladus spartioides wedd. is a native and aromatic herb used in traditional medicine, however it is still poorly investigated. in this work, the volatile profile of a. spartioides growing in hornillos-northwest argentina was determined by gc/ms/fid and the phenolic compounds of hydroethanolic and decoction extracts were analyzed by hplc-dad. the antibacterial potential, antioxidant activity and α-glucosidase inhibition activity were checked by in vitro assays. the volatile profile allowed ... | 2016 | 28036133 |
| improving phylogeny reconstruction at the strain level using peptidome datasets. | typical bacterial strain differentiation methods are often challenged by high genetic similarity between strains. to address this problem, we introduce a novel in silico peptide fingerprinting method based on conventional wet-lab protocols that enables the identification of potential strain-specific peptides. these can be further investigated using in vitro approaches, laying a foundation for the development of biomarker detection and application-specific methods. this novel method aims at reduc ... | 2016 | 28033346 |
| the liver as another possible target organ for bacillus cereus infection. | a case of liver abscess due to bacillus cereus infection in an immunocompetent 59-year-old man is reported. percutaneous drainage and antimicrobial therapy, with vancomycin and levofloxacin afterwards, have been demonstrated to be an appropriate treatment, leading to clinical and radiological cure. | 2016 | 28025629 |
| bacteria and hoverflies (diptera: syrphidae) in tree hollows from the iberian mediterranean forest. | saproxylic insect communities inhabiting tree hollows in mediterranean forests depend on a combination of physical characteristics and interactions occurring between community member species. despite the need to preserve these organisms, little is known about their interrelationships, in particular those relationships between saproxylic insects and microbiota occurring in these microhabitats. in tree hollows of quercus rotundifolia lamark that hold water and contain dead leaves, abundant microbi ... | 2017 | 28025224 |
| cmc stabilized nano silver synthesis, characterization and its antibacterial and synergistic effect with broad spectrum antibiotics. | in the present study silver nanoparticles were synthesized by reduction of agno3 using aqueous cmc solution, which acts as both reducing and capping agent. the formation of agno3 nanoparticles was observed visually by color change and these nanoparticles were characterized through uv-vis spectroscopy, ftir, xrd, sem, eds and afm. the ftir peaks observed to be ranging from 3300 to 605cm(-1). the afm image clearly showed the surface morphology of well dispersed nanoparticles. sem image illustrates ... | 2017 | 28024537 |
| internal hydration properties of single bacterial endospores probed by electrostatic force microscopy. | we show that the internal hydration properties of single bacillus cereus endospores in air under different relative humidity (rh) conditions can be determined through the measurement of its electric permittivity by means of quantitative electrostatic force microscopy (efm). we show that an increase in the rh from 0% to 80% induces a large increase in the equivalent homogeneous relative electric permittivity of the bacterial endospores, from ∼4 up to ∼17, accompanied only by a small increase in t ... | 2016 | 28024372 |
| deciphering a survival strategy during the interspecific competition between bacillus cereus msm-s1 and pseudomonas sp. msm-m1. | interspecific competition in bacteria governs colony growth dynamics and pattern formation. here, we demonstrate an interesting phenomenon of interspecific competition between bacillus cereus msm-s1 and pseudomonas sp. msm-m1, where secretion of an inhibitor by pseudomonas sp. is used as a strategy for survival. although b. cereus grows faster than pseudomonas sp., in the presence of pseudomonas sp. the population of b. cereus reduces significantly, whereas pseudomonas sp. do not show any marked ... | 2016 | 28018625 |
| leveraging the attributes of mucor hiemalis-derived silver nanoparticles for a synergistic broad-spectrum antimicrobial platform. | driven by the need to engineer robust surface coatings for medical devices to prevent infection and sepsis, incorporation of nanoparticles has surfaced as a promising avenue to enhance non-fouling efficacy. microbial synthesis of such nanoscale metallic structures is of substantive interest as this can offer an eco-friendly, cost-effective, and sustainable route for further development. here we present a mucor hiemalis-derived fungal route for synthesis of silver nanoparticles, which display sig ... | 2016 | 28018316 |
| high occurrence rate and contamination level of bacillus cereus in organic vegetables on sale in retail markets. | organic foods have risen in popularity recently. however, the increased risk of bacterial contamination of organic foods has not been fully evaluated. in this study, 100 samples each of organic and conventional fresh vegetables (55 lettuce samples and 45 sprout samples) sold in south korea were analyzed for aerobic bacteria, coliforms, escherichia coli, and bacillus cereus. although the aerobic bacteria and coliform counts were not significantly different between the two farming types (p > 0.05) ... | 2016 | 27992273 |
| pathogenic features of heterotrophic plate count bacteria from drinking-water boreholes. | evidence suggests that heterotrophic plate count (hpc) bacteria may be hazardous to humans with weakened health. we investigated the pathogenic potential of hpc bacteria from untreated borehole water, consumed by humans, for: their haemolytic properties, the production of extracellular enzymes such as dnase, proteinase, lipase, lecithinase, hyaluronidase and chondroitinase, the effect simulated gastric fluid has on their survival, as well as the bacteria's antibiotic-susceptible profile. hutu-80 ... | 2016 | 27959868 |
| hptlc fingerprint profile, in vitro antioxidant and evaluation of antimicrobial compound produced from brevibacillus brevis-egs9 against multidrug resistant staphylococcus aureus. | in the present study, in vitro antimicrobial activity of brevibacillus brevis egs9 against multi drug resistant staphylococcus aureus (mdrsa) and to investigate the antimicrobial, antioxidant activity and hptlc finger print profile of brevibacillus brevis egs9. primary screening was done using by cross streak method against multi drug resistant staphylococcus aureus. the bioactive metabolites were extracted from brevibacillus brevis egs9 using ethyl acetate extraction. ethyl acetate extract show ... | 2017 | 27939872 |
| sodium alginate and gum acacia hydrogels of zno nanoparticles show wound healing effect on fibroblast cells. | an ideal biomaterial for wound dressing applications should possess antibacterial and anti-inflammatory properties without any toxicity to the host cells while providing the maximum healing activity. zinc oxide nanoparticles (znonps) possess antimicrobial activity and enhance wound healing, but the questions regarding their safety arise before application to the biological systems. we synthesized znonps-loaded-sodium alginate-gum acacia hydrogels (saga-znonps) by cross linking hydroxyl groups of ... | 2017 | 27939272 |
| alleviation of heavy metals toxicity by the application of plant growth promoting rhizobacteria and effects on wheat grown in saline sodic field. | the aim of the study was to determine tolerance of plant growth promoting rhizobacteria (pgpr) in different concentrations of cu, cr, co, cd, ni, mn, and pb and to evaluate the pgpr-modulated bioavailability of different heavy metals in the rhizosphere soil and wheat tissues, grown in saline sodic soil. bacillus cereus and pseudomonas moraviensis were isolated from cenchrus ciliaris l. growing in the khewra salt range. seven-day-old cultures of pgpr were applied on wheat as single inoculum, co-i ... | 2017 | 27936865 |
| systematic evaluation of cs-rosetta for membrane protein structure prediction with sparse noe restraints. | we critically test and validate the cs-rosetta methodology for de novo structure prediction of α-helical membrane proteins (mps) from nmr data, such as chemical shifts and noe distance restraints. by systematically reducing the number and types of noe restraints, we focus on determining the regime in which mp structures can be reliably predicted and pinpoint the boundaries of the approach. five mps of known structure were used as test systems, phototaxis sensory rhodopsin ii (psrii), a subdomain ... | 2016 | 27936510 |
| bacillus cereus-induced food-borne outbreaks in france, 2007 to 2014: epidemiology and genetic characterisation. | the aim of this study was to identify and characterise bacillus cereus from a unique national collection of 564 strains associated with 140 strong-evidence food-borne outbreaks (fbos) occurring in france during 2007 to 2014. starchy food and vegetables were the most frequent food vehicles identified; 747 of 911 human cases occurred in institutional catering contexts. incubation period was significantly shorter for emetic strains compared with diarrhoeal strains a sub-panel of 149 strains strictl ... | 2016 | 27934583 |
| effects of bacillus cereus endospores on free-living protist growth. | we studied the predator-prey interactions between heterotrophic protists and endospores of bacillus cereus group bacteria, in order to gain insight on survival and dispersal of b. cereus endospores in the environment. it has been hypothesised that the spore stage protects against digestion by predating protists. therefore, experiments were carried out to investigate the impact of b. cereus endospores and vegetative cells, as the only food source, on individual amoeboid, flagellated and ciliated ... | 2017 | 27928597 |
| antibacterial, antioxidant and anti-proliferative properties and zinc content of five south portugal herbs. | crataegus monogyna l. (rosaceae) (cm), equisetum telmateia l. (equisataceae) (et), geranium purpureum vil. (geraniaceae) (gp), mentha suaveolens ehrh. (lamiaceae) (ms), and lavandula stoechas l. spp. luisieri (lamiaceae) (ls) are all medicinal. | 2017 | 27925492 |
| one-pot synthesis of glutathione by a two-enzyme cascade using a thermophilic atp regeneration system. | in vitro cascade catalysis using enzyme-based system is becoming a promising biomanufacturing platform for biofuels and biochemicals production. glutathione is a pivotal non-protein thiol compound and widely applied in food and pharmaceutical industries. in this study, glutathione was synthesized by a bifunctional glutathione synthetase together with a thermophilic atp regeneration system through a two-enzyme cascade in vitro. four bifunctional glutathione synthetases from streptococcus sanguini ... | 2017 | 27919691 |
| termitarium-inhabiting bacillus spp. enhanced plant growth and bioactive component in turmeric (curcuma longa l.). | curcumin (diferuloyl methane) is the main bioactive component of turmeric (curcuma longa l.) having remarkable multipotent medicinal and therapeutic applications. two bacilli isolated from termitarium soil and identified as bacillus endophyticus tsh42 and bacillus cereus tsh77 were used for bacterization of rhizome for raising c. longa ver. suguna for growth and enhancement. both the strains showed remarkable pgp activities and also chemotactic in nature with high chemotactic index. turmeric pla ... | 2017 | 27913879 |
| screening of mercury-resistant and indole-3-acetic acid producing bacterial-consortium for growth promotion of cicer arietinum l. | mercury resistant (hg(r) ) bacteria were screened from industrial effluents and effluents-polluted rhizosphere soils near to districts kasur and sheikhupura, pakistan. out of 60 isolates, three bacterial strains, bacillus sp. az-1, bacillus cereus az-2, and enterobacter cloacae az-3 showed hg-resistance as 20 μg ml(-1) of hgcl2 and indole-3-acetic acid (iaa) production as 8-38 μg ml(-1) . biochemical and molecular characterization of selected bacteria was confirmed by 16s ribotyping. mercury res ... | 2017 | 27911010 |
| effects of ethyl acetate extracts from the polycephalomyces nipponicus isolate cod-mk1201 (ascomycetes) against human pathogenic bacteria and a breast cancer cell line. | this study aimed to identify a suitable organic solvent for extracting bioactive compounds from polycephalomyces nipponicus and to evaluate the antibacterial and anticancer activities of the extracts obtained. only extracts obtained with ethyl acetate exhibited antibacterial activity, so ethyl acetate was chosen for large-scale extraction. the minimum inhibitory concentration (mic) and minimum bactericidal concentration (mbc) against gram-positive and gram-negative human pathogenic bacteria of t ... | 2016 | 27910791 |
| isolation and characterization of a bacteriophage preying an antifungal bacterium. | several bacillus species were isolated from rice field soils, and 16s rrna gene sequence analysis showed that bacillus cereus was the most abundant. a strain named bc1 showed antifungal activity against rhizoctonia solani. bacteriophages infecting strain bc1 were isolated from the same soil sample. the isolated phage pk16 had an icosahedral head of 100 ± 5 nm and tail of 200 ± 5 nm, indicating that it belonged to the family myoviridae. analysis of the complete linear dsdna genome revealed a 158, ... | 2016 | 27904467 |
| bacterial metabolites from intra- and inter-species influencing thermotolerance: the case of bacillus cereus and geobacillus stearothermophilus. | bacterial metabolites with communicative functions could provide protection against stress conditions to members of the same species. yet, information remains limited about protection provided by metabolites in bacillus cereus and inter-species. this study investigated the effect of extracellular compounds derived from heat shocked (hs) and non-hs cultures of b. cereus and geobacillus stearothermophilus on the thermotolerance of non-hs vegetative and sporulating b. cereus. cultures of b. cereus ... | 2016 | 27896600 |
| some biological activities of pigments extracted from micrococcus roseus (ptcc 1411) and rhodotorula glutinis (ptcc 5257). | the importance of replacing synthetic pigments with natural types is increasing day by day in the food industry due to the harmful effects of some synthetic pigments. microorganisms are a major source of natural pigments, which nowadays have attracted the attention of researchers. in this study, carotenoid pigments were produced by micrococcus roseus and rhodotorula glutinis, and some of their biological properties such as antimicrobial, antioxidant, anticancer, and anti-inflammatory activities ... | 2016 | 27895288 |
| a new route of bioaugmentation by allochthonous and autochthonous through biofilm bacteria for soluble chemical oxygen demand removal of old leachate. | landfill leachate contains environmental pollutants that are generally resistant to biodegradation. in this study, indigenous and exogenous bacteria in leachate were acclimated in both biofilm and suspension forms to increase the removal of soluble chemical oxygen demand (scod). the bacteria from the leachate and sewage were acclimated to gradually increasing leachate concentration prepared using a reverse osmosis membrane over 28 days. the scod removal was measured aerobically or nominally anae ... | 2016 | 27892814 |
| multilocus sequence type profiles of bacillus cereus isolates from infant formula in china. | bacillus cereus sensu stricto is an opportunistic foodborne pathogen. the multilocus sequence type (mlst) of 74 b. cereus isolated from 513 non-random infant formula in china was analyzed. of 64 sequence types (sts) detected, 50 sts and 6 alleles were newly found in pubmlst database. all isolates except for one singleton (st-1049), were classified into 7 clonal complexes (cc) by burst (n-4), in which cc1 with core ancestral clone st-26 was the largest group including 86% isolates, and cc2, 3, 9, ... | 2017 | 27889164 |
| microbial decontamination of onion powder using microwave-powered cold plasma treatments. | the effects of microwave-integrated cold plasma (cp) treatments against spores of bacillus cereus and aspergillus brasiliensis and escherichia coli o157:h7 on onion powder were investigated. the growth of b. cereus, a. brasiliensis, and e. coli o157:h7 in the treated onion powder was assessed during storage at 4 and 25 °c, along with the physicochemical and sensory properties of the powder. onion powder inoculated with b. cereus was treated with cp using helium as a plasma-forming gas, with simu ... | 2017 | 27889137 |
| analysis of germination capacity and germinant receptor (sub)clusters of genome-sequenced bacillus cereus environmental isolates and model strains. | spore germination of 17 bacillus cereus food isolates and reference strains was evaluated using flow cytometry analysis in combination with fluorescent staining at a single-spore level. this approach allowed for rapid collection of germination data under more than 20 conditions, including heat activation of spores, germination in complex media (brain heart infusion [bhi] and tryptone soy broth [tsb]), and exposure to saturating concentrations of single amino acids and the combination of alanine ... | 2017 | 27881417 |
| multifunctional zno/nylon 6 nanofiber mats by an electrospinning-electrospraying hybrid process for use in protective applications. | zno/nylon 6 nanofiber mats were prepared by an electrospinning-electrospraying hybrid process in which zno nanoparticles were dispersed on the surface of nylon 6 nanofibers without becoming completely embedded. the prepared zno/nylon 6 nanofiber mats were evaluated for their abilities to kill bacteria or inhibit their growth and to catalytically detoxify chemicals. results showed that these zno/nylon 6 nanofiber mats had excellent antibacterial efficiency (99.99%) against both the gram-negative ... | 2011 | 27877442 |
| characterization and control of symbiotic bacillus cereus isolated from the mid gut of anopheles subpictus grassi. | an investigation was done to find out the role of gut bacterium on the larval development and survival of anopheles subpictus, the vector responsible for the transmission of malaria. an. subpictus mosquitoes breed exclusively in stagnant water, including shrimp/fish ponds with high nutrient level. one bacterial strain (cx2) was isolated from the midgut of late third instar of mosquito larvae. the bacterial isolate was sensitive to recommended doses of tetracyclin (30 µg/disc), doxycycline (30 µg ... | 2016 | 27876960 |
| disruptions of the genes involved in lysine biosynthesis, iron acquisition, and secondary metabolisms affect virulence and fitness in metarhizium robertsii. | based on genomic analysis, polyketide synthase (pks) and nonribosomal peptide synthetase (nrps) pathways account for biosynthesis of the majority of the secondary metabolites produced by the entomopathogenic fungus metarhizium robertsii. to evaluate the contribution of these pathways to m. robertsii fitness and/or virulence, mutants deleted for mrppta, the sfp-type 4' phosphopantetheinyl transferase gene required for their activation were generated. δmrppta strains were deficient in pks and nrps ... | 2017 | 27876630 |
| control of wilt and rot pathogens of tomato by antagonistic pink pigmented facultative methylotrophic delftia lacustris and bacillus spp. | the studies on the biocontrol potential of pink pigmented facultative methylotrophic (ppfm) bacteria other than the genus methylobacterium are scarce. in the present study, we report three facultative methylotrophic isolates; ppo-1, ppt-1, and ppb-1, respectively, identified as delftia lacustris, bacillus subtilis, and bacillus cereus by 16s rrna gene sequence analysis. hemolytic activity was tested to investigate the potential pathogenicity of isolates to plants and humans, the results indicate ... | 2016 | 27872630 |
| [outbreak of foodborne disease at a mass event of indigenous peoples in cuiaba, mato grosso, brazil, in 2013]. | to report the experience of investigating the outbreak of acute diarrhoea (ad) at the xii indigenous games in cuiabá, mato grosso, brazil, 2013. | 2016 | 27861693 |
| differences in chemical, physical and microbiological characteristics of italian burrata cheeses made in artisanal and industrial plants of apulia region. | the burrata cheese is a traditional product from southern italy, consisting of an envelope of pasta filata (stretched curd) filled with cream and pasta filata strips (usually leftovers from mozzarella production). physical [water activity (aw), ph], chemical (moisture, nacl content) and microbiological [total viable count (tvc), listeria monocytogenes, salmonella spp., yersinia enterocolitica, bacillus cereus, escherichia coli, enterobacteriaceae, coagulase-positive staphylococci] characteristic ... | 2016 | 27853715 |
| shelf life evaluation of ricotta fresca sheep cheese in modified atmosphere packaging. | ricotta fresca cheese is the product of sardinian dairy industry most exposed to microbial post-process contamination. due to its technological characteristics, intrinsic parameters, ph (6.10-6.80) and water activity (0.974-0.991), it represents an excellent substrate for the growth of spoilage and pathogenic microorganisms, which are usually resident in cheese-making plants environments. generally, ricotta fresca has a shelf life of 5-7 days. for this reason, at industrial level, modified atmos ... | 2016 | 27853705 |
| xenobiotic-metabolizing enzymes in bacillus anthracis: molecular and functional analysis of a truncated arylamine n-acetyltransferase isozyme. | the arylamine n-acetyltransferases (nats) are xenobiotic-metabolizing enzymes that play an important role in the detoxification and/or bioactivation of arylamine drugs and xenobiotics. in bacteria, nats may contribute to the resistance against antibiotics such as isoniazid or sulfamides through their acetylation, which makes this enzyme family a possible drug target. bacillus anthracis, a bacterial species of clinical significance, expresses three nat isozymes with distinct structural and enzyma ... | 2016 | 27846346 |
| characterization of three autolysins with activity against cereulide-producing bacillus isolates in food matrices. | bacillus cereus is a pathogen related with diarrhoeal or emetic food poisoning cases, of which the latter caused by the cereulide-producing isolates are more severe with several reported lethal cases. it is therefore necessary to develop an effective strategy to prevent the propagation of b. cereus in the food supply. in this study, three autolysins from the cereulide-producing b. cereus group isolates, lysis075, lysf8819.1 and lyscer057, were identified and characterized. the results showed tha ... | 2017 | 27835772 |
| bacillus cereus strain isolated from demodex folliculorum in patients with topical steroid-induced rosaceiform facial dermatitis. | the aim of the study was to identify bacillus species from the demodex folliculorum of patients with topical steroidinduced facial rosaceiform dermatitis. of the 75 patients examined, 20% had clinical spinulosis, while 18.66% had dermoscopic features of demodex: follicular plugs and tails. of the 17.33% positive patients identified upon microscopy for demodex, samples for bacterial culture were plated on trypticase soy colombia agar. identification was performed by microorganisms grown method ma ... | 2017 | 27828651 |
| use of molecular typing to investigate bacterial translocation from the intestinal tract of chlorpyrifos-exposed rats. | human are confronted on a daily basis with contaminant pesticide residues in food, water and other components of the environment. although the digestive system is the first organ to come into contact with food contaminants, very few data are available on the impact of low-dose pesticide exposure during the in utero and postnatal periods on intestinal bacterial translocation (bt). previous studies have revealed that chlorpyrifos (cpf) exposure is associated with intestinal dysbiosis and the conta ... | 2016 | 27826358 |
| temperature exerts control of bacillus cereus emetic toxin production on post-transcriptional levels. | in recent years, the emetic toxin cereulide, produced by bacillus cereus, has gained high relevance in food production and food safety. cereulide is synthesized non-ribosomal by the multi-enzyme complex ces-nrps, which is encoded on a megaplasmid that shares its backbone with the bacillus anthracis px01 toxin plasmid. due to its resistance against heat, proteolysis and extreme ph conditions, the formation of this highly potent depsipeptide toxin is of serious concern in food processing procedure ... | 2016 | 27826288 |
| optimization of the production conditions of the lipase produced by bacillus cereus from rice flour through plackett-burman design (pbd) and response surface methodology (rsm). | in this study, the screening of lipase positive bacteria from rice flour was carried out by rhodamin b agar plate method. bacillus cereus was identified by 16s rdna method. screening of the appropriate variables and optimization of the lipase production was performed using plackett-burman design (pbd) and response surface methodology (rsm). among the isolated bacteria, an aerobic bacillus cereus strain was recognized as the best lipase-producing bacteria (177.3 ± 20 u/ml). given the results, the ... | 2016 | 27816679 |
| evidence of mercury trapping in biofilm-eps and mer operon-based volatilization of inorganic mercury in a marine bacterium bacillus cereus bw-201b. | biofilm-forming mercury-resistant marine bacterium bacillus cereus bw-201b has been explored to evident that the bacterial biofilm-eps (exopolymers) trap inorganic mercury but subsequently release eps-bound mercury for induction of mer operon-mediated volatilization of inorganic mercury. the isolate was able to tolerate 50 ppm of mercury and forms biofilm in presence of mercury. mer operon-mediated volatilization was confirmed, and -sh was found to be the key functional group of bacterial eps re ... | 2017 | 27815566 |
| the large-scale process of microbial carbonate precipitation for nickel remediation from an industrial soil. | microbial carbonate precipitation is known as an efficient process for the remediation of heavy metals from contaminated soils. in the present study, a urease positive bacterial isolate, identified as bacillus cereus ns4 through 16s rdna sequencing, was utilized on a large scale to remove nickel from industrial soil contaminated by the battery industry. the soil was highly contaminated with an initial total nickel concentration of approximately 900 mg kg(-1). the soluble-exchangeable fraction wa ... | 2016 | 27814530 |
| elucidating the rimosamide-detoxin natural product families and their biosynthesis using metabolite/gene cluster correlations. | as microbial genome sequencing becomes more widespread, the capacity of microorganisms to produce an immense number of metabolites has come into better view. utilizing a metabolite/gene cluster correlation platform, the biosynthetic origins of a new family of natural products, the rimosamides, were discovered. the rimosamides were identified in streptomyces rimosus and associated with their nrps/pks-type gene cluster based upon their high frequency of co-occurrence across 179 strains of actinoba ... | 2016 | 27809474 |
| flhf is required for swarming motility and full pathogenicity of bacillus cereus. | besides sporulation, bacillus cereus can undergo a differentiation process in which short swimmer cells become elongated and hyperflagellated swarmer cells that favor migration of the bacterial community on a surface. the functionally enigmatic flagellar protein flhf, which is the third paralog of the signal recognition particle (srp) gtpases ffh and ftsy, is required for swarming in many bacteria. previous data showed that flhf is involved in the control of the number and positioning of flagell ... | 2016 | 27807433 |
| evolution of the microbiological profile of vacuum-packed ricotta salata cheese during shelf-life. | ricotta salata cheese is a salted variety of ricotta traditionally made in sardinia (italy) from the whey remaining after the production of pecorino romano protected designation of origin or other sheep milk cheeses. ricotta salata cheese is very critical for the possible growth of pathogenic and spoilage microorganisms. sporadic cases of listeriosis associated with ricotta salata cheese have been reported over recent years. the objective of the present study was to assess the evolution of spoil ... | 2016 | 27800440 |
| microbiological stability of canned tuna produced in italy and in non-european countries. | the results of a study on the microbiological stability of canned tuna produced by italian companies and similar canned products manufactured in countries outside europe are reported herein. the study involved 38 samples of canned tuna of various brands, of which 14 were produced by companies outside europe and 24 by italian companies. qualitative and quantitative microbiological tests were conducted for the following parameters: bacterial colony counts at 30°c, total coliforms, total enterobact ... | 2015 | 27800383 |
| hygienic-sanitary evaluation of sushi and sashimi sold in messina and catania, italy. | sushi and sashimi are traditional japanese food, mostly consisting of raw seafood alone or in combination with rice. eating sushi and sashimi has become popular in many countries even outside japan. this food is not free from health risks such as ingestion of pathogenic bacteria or parasite. the aim of this study was to investigate on hygienic-sanitary quality of sushi and sashimi sold in the cities of messina and catania, southern italy. fifty samples (38 sushi and 12 sashimi) were analysed to ... | 2014 | 27800343 |
| cotranscriptional folding of a riboswitch at nucleotide resolution. | rnas can begin to fold immediately as they emerge from rna polymerase. during cotranscriptional folding, interactions between nascent rnas and ligands are able to direct the formation of alternative rna structures, a feature exploited by noncoding rnas called riboswitches to make gene-regulatory decisions. despite their importance, cotranscriptional folding pathways have yet to be uncovered with sufficient resolution to reveal how cotranscriptional folding governs rna structure and function. to ... | 2016 | 27798597 |
| spovt: from fine-tuning regulator in bacillus subtilis to essential sporulation protein in bacillus cereus. | sporulation is a highly sophisticated developmental process adopted by most bacilli as a survival strategy to withstand extreme conditions that normally do not support microbial growth. a complicated regulatory cascade, divided into various stages and taking place in two different compartments of the cell, involves a number of primary and secondary regulator proteins that drive gene expression directed toward the formation and maturation of an endospore. such regulator proteins are highly conser ... | 2016 | 27790204 |
| new benzophenones and xanthones from cratoxylum sumatranum ssp. neriifolium and their antibacterial and antioxidant activities. | two new benzophenones (1 and 2) and four new xanthones (4-6 and 17) together with 24 known compounds (3, 7-16, and 18-30) were isolated from the roots and twigs of cratoxylum sumatranum ssp. neriifolium. their structures were elucidated by spectroscopic methods. compounds 5 and 26 showed antibacterial activity against micrococcus luteus, bacillus cereus, and staphylococcus epidermis with minimum inhibitory concentrations ranging from 4 to 8 μg/ml, whereas compounds 7, 20, and 26 displayed select ... | 2016 | 27788582 |
| biosynthesis of palladium nanoparticles by using moringa oleifera flower extract and their catalytic and biological properties. | the biosynthesis of nanostructured biopalladium nanoparticles (pdnps) from an aqueous solution of crystalline palladium acetate is reported. for the synthesised pdnps in solution, an agroforest biomass waste petal of moringa oleifera derived bis-phthalate was used as natural reducing and biocapping agents. continuous absorption in the uv region and subsequent brown colour change confirmed the formation of pdnps. a strong surface plasmon peak for pdnps occurred at 460nm. pdnps were characterized ... | 2016 | 27776261 |
| biodegradation of chlorpyrifos, malathion, and dimethoate by three strains of bacteria isolated from pesticide-polluted soils in sudan. | this study was done to identify pesticide-biodegrading microorganisms and to characterize degradation rates. bacillus safensis strain fo-36b(t), bacillus subtilis subsp. inaquosorum strain kctc13429(t), and bacillus cereus strain atcc14579(t) were isolated from pesticide-polluted soil in sudan, separately incubated with each pesticide with periodic samples drawn for gc and gc-ms. pesticide biodegradation followed a biphasic model. α and β half-lives (days) of chlorpyrifos, malathion, and dimetho ... | 2016 | 27771954 |
| co-precipitation synthesis and characterization of co doped sno2 nps, hsa interaction via various spectroscopic techniques and their antimicrobial and photocatalytic activities. | sn1-xcoxo2 (x=0.00, 0.01, 0.03, 0.05) nanoparticles (nps) of average size ∼30-40nm were synthesized by co-precipitation method. the interaction of co doped sno2 nps with human serum albumin (hsa) and their photocatalytic and antimicrobial properties were studied. the structural analysis and morphology of co doped sno2 nps were analysed via x-ray diffraction (xrd), scanning electron microscopy (sem), energy dispersive x-ray spectroscopy (eds), high resolution transmission electron microscopy (hrt ... | 2017 | 27771412 |
| antibody binding studies reveal conformational flexibility of the bacillus cereus non-hemolytic enterotoxin (nhe) a-component. | the non-hemolytic enterotoxin complex (nhe) is supposed to be the main virulence factor of b. cereus causing a diarrheal outcome of food poisoning. this tripartite toxin consists of the single components nhea, -b and -c all of them being necessary for maximum toxicity. in the past, research activities aiming to elucidate the mode-of-action of nhe were mostly focused on the b- and c-component. in this study the generation of novel monoclonal antibodies (mab) and their thorough characterization en ... | 2016 | 27768742 |
| non-hemolytic enterotoxin of bacillus cereus induces apoptosis in vero cells. | bacillus cereus is an opportunistic pathogen that often causes foodborne infectious diseases and food poisoning. non-hemolytic enterotoxin (nhe) is the major toxin found in almost all enteropathogenic b. cereus and b. thuringiensis isolates. however, little is known about the cellular response after nhe triggered pore formation on cell membrane. here, we demonstrate that nhe induced cell cycle arrest at g0 /g1 phase and provoked apoptosis in vero cells, most likely associated with mitogen-activa ... | 2017 | 27762484 |
| synthesis and antibacterial evaluation of new n- and s-glycosides analogues with dinitrophenyl-substituted heterocyclic bases. | four n- and s-glycosides 13-16 having nucleobases 7-12 binding to sugar molecules from one side and to 3,5-dinitrophenyl moieties from another side were synthesized from 3,5-dinitrobenzoic acid 2. the synthetic intermediates, hydrazide 5 and thiosemicarbazide 6 regarded as important key compounds for the synthesis of nucleobases 7-12, each was obtained by two approaches. structures of synthesized compounds were determined spectroscopically. antibacterial activities for synthetic intermediates an ... | 2017 | 27761763 |
| adaptation in bacillus cereus: from stress to disease. | bacillus cereus is a food-borne pathogen that causes diarrheal disease in humans. after ingestion, b. cereus experiences in the human gastro-intestinal tract abiotic physical variables encountered in food, such as acidic ph in the stomach and changing oxygen conditions in the human intestine. b. cereus responds to environmental changing conditions (stress) by reversibly adjusting its physiology to maximize resource utilization while maintaining structural and genetic integrity by repairing and m ... | 2016 | 27757102 |
| isolation, identification and characterization of paenibacillus polymyxa cr1 with potentials for biopesticide, biofertilization, biomass degradation and biofuel production. | paenibacillus polymyxa is a plant-growth promoting rhizobacterium that could be exploited as an environmentally friendlier alternative to chemical fertilizers and pesticides. various strains have been isolated that can benefit agriculture through antimicrobial activity, nitrogen fixation, phosphate solubilization, plant hormone production, or lignocellulose degradation. however, no single strain has yet been identified in which all of these advantageous traits have been confirmed. | 2016 | 27756215 |
| raw ready-to-eat seafood safety: microbiological quality of the various seafood species available in fishery, hyper and online markets. | microbiological quality of 206 raw ready-to-eat seafood samples was investigated according to species (gizzard shad, halibut, rockfish, tuna, oyster and squid) and distribution channels (fishery, hyper and online market). enumeration of aerobic plate count and total coliforms (tc) and pathogenic bacteria (bacillus cereus, staphylococcus aureus and vibrio parahaemolyticus) was performed, and level of microbiological quality was classified into four groups: satisfactory, acceptable, unsatisfactory ... | 2017 | 27747902 |
| genotypic heterogeneity of emetic toxin producing bacillus cereus isolates from china. | emetic toxin-producing bacillus cereus (emetic b. cereus) is the third member of b. cereus group whose toxins are encoded by megaplasmids, beside anthrax and insecticidal toxins of b. anthracis and b. thuringiensis, respectively. a total of 18 emetic isolates collected from food poisoning events, clinical and non-random food samples in zhejiang province of china, were analyzed by plasmid screening, pulse field gel electrophoresis, multilocus sequence typing, and toxic gene identification to inve ... | 2017 | 27744366 |
| genome sequence of bacillus cereus forc_021, a food-borne pathogen isolated from a knife at a sashimi restaurant. | bacillus cereus causes food-borne illness through contaminated foods; therefore, its pathogenicity and genome sequences have been analyzed in several studies. we sequenced and analyzed b. cereus strain forc_021 isolated from a sashimi restaurant. the genome sequence consists of 5,373,294 bp with 35.36% gc contents, 5,350 predicted cdss, 42 rrna genes, and 107 trna genes. based on in silico dna-dna hybridization values, b. cereus atcc 14579(t) was closest to forc_021 among the complete genome-seq ... | 2016 | 27728961 |
| feasible management of southern corn leaf blight via induction of systemic resistance by bacillus cereus c1l in combination with reduced use of dithiocarbamate fungicides. | dithiocarbamate fungicides such as maneb and mancozeb are widely used nonsystemic protectant fungicides to control various plant fungal diseases. dithiocarbamate fungicides should be frequently applied to achieve optimal efficacy of disease control and avoid either decline in effectiveness or wash-off from leaf surface. dithiocarbamates are of low resistance risk but have the potential to cause human neurological diseases. the objective of this study was to develop a strategy to effectively cont ... | 2016 | 27721698 |
| bacillus cereus causing intratumoral brain abscess. | we report a case of intratumoral brain abscess due to bacillus cereus in an adult male patient, which was managed successfully with excision of lesion and piperacillin-tazobactam for the duration of 5 weeks. to the best of our knowledge, this is a first case report of b. cereus infection leading to intratumoral brain abscess in a patient with a history of steroid administration by the intravenous route. | 2017 | 27721298 |
| biochemical and biological characterization of two brassicaceae after their commercial expiry date. | two brassicaceae (eruca sativa, brassica oleracea var. sabauda) were stored in air and under a modified atmosphere for several days after their expiry date and then analyzed. the polyphenol content and composition, as well as the antioxidant activity of the extracts, were assessed, compared to the fresh products. antimicrobial properties on tester strains (bacillus cereus, escherichia coli, staphylococcus aureus and pseudomonas aeruginosa) and in vitro anti-proliferative activity were evaluated. ... | 2017 | 27719918 |
| the thnr gene is a negative transcription regulator of the thurincin h genetic cassette in bacillus thuringiensis subsp. morrisoni. | thurincin h is a bacteriocin synthesized by some strains of bacillus thuringiensis. in this study, the thurincin h genetic cassette, which contains ten genes, from a mexican strain of b. thuringiensis subsp. morrisoni (btm) was cloned and sequenced. to study the function of the thnr gene component in the cassette, we generated various constructs with or without thnr for expression in btm. all transformants harboring thnr in recombinant plasmids showed a decrease of ~15 to ~90 % in inhibitory act ... | 2017 | 27699438 |
| the comparing of antimicrobial activity of csn1s2 protein of fresh milk and yoghurt goat breed ethawah inhibited the pathogenic bacteria. | goat milk is reported to have antimicrobial activity of several pathogen bacteria that contained on food materials. the research related with antimicrobial activity of alpha-s2 casein from goat milk is relatively less than other casein components. herein, we reported the antimicrobial activity of caprine alpha-s2 casein (csn1s2) protein from ethawah breed goat milk and yoghurt in gram positive (listeria monocytogenes, staphylococcus aureus and bacillus cereus) and negative pathogen bacteria (esc ... | 2016 | 27698594 |
| draft genome sequence of bacillus cereus lcr12, a plant growth-promoting rhizobacterium isolated from a heavy metal-contaminated environment. | bacillus cereus lcr12 is a plant growth-promoting rhizobacterium, isolated from a heavy metal-contaminated environment. the 6.01-mb annotated genome sequence provides the genetic basis for revealing its potential application to remediate contaminated soils in association with plants. | 2016 | 27688340 |
| genome sequence of bacillus cereus group phage salinjah. | the double-stranded dna (dsdna) myoviridae bacillus cereus group bacteriophage salinjah was isolated from soil collected in gyeonggi-do, south korea. salinjah, a cluster c phage with a broad host range, suggests the need to create a new subcluster with salinjah and helga as founding members. | 2016 | 27688335 |
| bioactivity of a novel glycolipid produced by a halophilic buttiauxella sp. and improving submerged fermentation using a response surface method. | an antimicrobial glycolipid biosurfactant (gbs), extracted and identified from a marine bacterium, was studied to inhibit pathogenic microorganisms. production of the gbs was optimized using a statistical method, a response surface method (rsm) with a central composite design (ccd) for obtaining maximum yields on a cost-effective substrate, molasses. the gbs-producing bacterium was identified as buttiauxella species in terms of biochemical and molecular characteristics. this compound showed a de ... | 2016 | 27669197 |