Publications

comparison of microbiological and probiotic characteristics of lactobacilli isolates from dairy food products and animal rumen contents.	lactobacilli are employed in probiotic food preparations and as feed additives in poultry and livestock, due to health benefits associated with their consumption. the objective of this study was to evaluate and compare the probiotic potential of ten lactobacilli strains isolated from commercial dairy food products and animal rumen contents in new zealand. genetic identification of the isolates revealed that all belonged to the genus lactobacillus, specifically the species l. reuteri, l. rhamnosu ...	2015	27682086
chemical composition and antibacterial activity of some medicinal plants from lamiaceae family.	chemical composition and antibacterial activity of aqueous (ethanolic and methanolic) extracts from herbs often used in polish cuisine and traditional herbal medicine including thyme (thymus vulgaris l.), rosemary (rosmarinus officinalis l.), oregano (origanum vulgare l.), peppermint (mentha piperita l.) and sage (salvia officinalis l.) were compared. the aqueous ethanolic extracts contained slightly higher levels of phenolics compared to the aqueous methanolic extracts. in turn, gc-ms analysis ...	2015	26647633
lactobacillus kunkeei yb38 from honeybee products enhances iga production in healthy adults.	to identify lactic acid bacterial isolates, which promote immunoglobulin a (iga) production in honeybee products and honeybees (apis mellifera).	2015	26121394
attenuated listeria monocytogenes vectors overcome suppressive plasma factors during hiv infection to stimulate myeloid dendritic cells to promote adaptive immunity and reactivation of latent virus.	hiv-1 infection is characterized by myeloid dendritic cell (dc) dysfunction, which blunts the responsiveness to vaccine adjuvants. we previously showed that nonviral factors in hiv-seropositive plasma are partially responsible for mediating this immune suppression. in this study we investigated recombinant listeria monocytogenes (lm) vectors, which naturally infect and potently activate dcs from seronegative donors, as a means to overcome dc dysfunction associated with hiv infection. monocyte-de ...	2015	25376024
cerebrospinal fluid pcr analysis and biochemistry in bodies with severe decomposition.	the aim of this study was to assess whether neisseria meningitidis, listeria monocytogenes, streptococcus pneumoniae and haemophilus influenzae can be identified using the polymerase chain reaction technique in the cerebrospinal fluid of severely decomposed bodies with known, noninfectious causes of death or whether postmortem changes can lead to false positive results and thus erroneous diagnostic information. biochemical investigations, postmortem bacteriology and real-time polymerase chain re ...	2015	25623190
nonviral oncogenic antigens and the inflammatory signals driving early cancer development as targets for cancer immunoprevention.	cancer immunoprevention is an emerging field that holds much promise. within the past 20 years, prophylactic vaccines have been implemented on the population level for the immunoprevention of carcinomas induced by viruses, specifically hepatitis b virus (hbv) and human papillomavirus (hpv) infection. armed with the success of prophylactic vaccines that prevent viral-induced tumors, the field must overcome its next hurdle: to develop robust prophylactic vaccines that prevent the remaining >80% of ...	2015	25623216
prospective uses of recombinant lactococcus lactis expressing both listeriolysin o and mutated internalin a from listeria monocytogenes as a tool for dna vaccination.	in this study, lactococcus lactis was engineered to express mutated internalin a on its surface and to secrete large amounts of listeriolysin o (llo) in order to improve its potential as a vehicle for dna vaccination. western blotting experiments demonstrated that the bacterium expressed llo in both the cytoplasmic and extracellular compartments, with higher quantities found in the culture supernatants. a hemolytic assay showed that the recombinant strain secreted 250 ng active llo/mg total prot ...	2015	26782496
comparative inhibitory effects of thymus vulgaris l. essential oil against staphylococcus aureus, listeria monocytogenes and mesophilic starter co-culture in cheese-mimicking models.	in the present study, we assessed the effects of thymus vulgaris l. essential oil (tveo) on staphylococcus aureus and listeria monocytogenes, pathogenic bacteria frequently associated with fresh or low-ripened cheeses (e.g., brazilian coalho cheese), and on a starter co-culture comprising lactococcus lactis subsp. lactis and l. lactis subsp. cremoris, which are commonly used for the production of different cheeses. to measure these effects, we determined the minimum inhibitory concentration (mic ...	2015	26338117
recombinant invasive lactococcus lactis can transfer dna vaccines either directly to dendritic cells or across an epithelial cell monolayer.	lactococcus lactis (l. lactis), a generally regarded as safe (gras) bacterium has recently been investigated as a mucosal delivery vehicle for dna vaccines. because of its gras status, l. lactis represents an attractive alternative to attenuated pathogens. previous studies showed that eukaryotic expression plasmids could be delivered into intestinal epithelial cells (iecs) by l. lactis, or recombinant invasive strains of l. lactis, leading to heterologous protein expression. although expression ...	2015	26241952
bacteriocinogenic lactococcus lactis subsp. lactis df04mi isolated from goat milk: application in the control of listeria monocytogenes in fresh minas-type goat cheese.	listeria monocytogenes is a pathogen frequently found in dairy products. its control in fresh cheeses is difficult, due to the psychrotrophic properties and salt tolerance. bacteriocinogenic lactic acid bacteria (lab) with proven in vitro antilisterial activity can be an innovative technological approach but their application needs to be evaluated by means of in situ tests. in this study, a novel bacteriocinogenic lactococcus lactis strain ( lc . lactis df4mi), isolated from raw goat milk, was t ...	2015	26221109
bacteriophage module reshuffling results in adaptive host range as exemplified by the baseplate model of listerial phage a118.	each phage infects its specific bacterial host strain through highly specific interactions between the baseplate-associated receptor binding protein (rbp) at the tip of the phage tail and the receptor at the host surface. baseplates incorporate structural core modules, dit and tal, largely conserved among phages, and peripheral modules anchoring the rbps. exploiting structural information from the hhpred program and em data from the bielmann et al. (2015) paper, a molecular model of the a118 pha ...	2015	26074066
incorporation of nisin z and lauric arginate into pullulan films to inhibit foodborne pathogens associated with fresh and ready-to-eat muscle foods.	a combination of food grade compounds with edible films, used to inhibit foodborne pathogens associated with fresh or further processed muscle foods, is receiving considerable attention. in this study, pullulan films containing lauric arginate (lae) and nisin z (produced by lactococcus lactis subsp. lactis i8-7-3 and isolated from catfish gut), alone or in combination, were investigated for controlling foodborne pathogens on fresh and further processed muscle foods after long-term refrigerated s ...	2015	26001063
low temperature and modified atmosphere: hurdles for antibiotic resistance transfer?	food is an important dissemination route for antibiotic-resistant bacteria. factors used during food production and preservation may contribute to the transfer of antibiotic resistance genes, but research on this subject is scarce. in this study, the effect of temperature (7 to 37°c) and modified atmosphere packaging (air, 50% co2-50% n2, and 100% n2) on antibiotic resistance transfer from lactobacillus sakei subsp. sakei to listeria monocytogenes was evaluated. filter mating was performed on no ...	2015	26613914
bacteriocin production and inhibition of listeria monocytogenes by lactobacillus sakei subsp. sakei 2a in a potentially synbiotic cheese spread.	survival, bacteriocin(s) production, and antilisterial effect of lactobacillus sakei subsp. sakei 2a were evaluated in a potentially synbiotic cheese spread, throughout storage at 4 °c and 15 °c for up to 28 days, using culture-dependent (plate count) and culture-independent (qpcr) methods. bacteriocin(s) production in the food product was monitored by phenotypic and molecular (rt-qpcr) techniques. three cheese spread trials (t) containing the prebiotic fiber inulin were produced in duplicates a ...	2015	25791002
the culture of pediococcus pentosaceus t1 inhibits  listeria proliferation in salmon fillets and controls maturation of kimchi.	the objective of this study is to evaluate the antilisterial effect of pediococcus pentosaceus t1, which was isolated from kimchi, and to assess its potential for extending the shelf life of salmon and kimchi. pediococcus pentosaceus t1 culture effectively inhibited proliferation of listeria monocytogenes in a dose-dependent manner in a salmon-based medium. antilisterial effect of the culture was stronger than that of nisin, an antibacterial peptide, as evidenced by lower minimum inhibitory conc ...	2015	27904329
modelling and predicting the simultaneous growth of listeria monocytogenes and psychrotolerant lactic acid bacteria in processed seafood and mayonnaise-based seafood salads.	a new combined model for listeria monocytogenes and psychrotolerant lactobacillus spp. was constructed and evaluated for processed seafood and mayonnaise-based seafood salads. the new model was constructed by combining existing cardinal parameter models for l. monocytogenes and lactobacillus spp. using the classical jameson effect to model microbial interaction. maximum population density (mpd) values of l. monocytogenes were accurately predicted in processed seafood with a known initial cell co ...	2015	25475260
probiotic attributes of lactobacillus fermentum isolated from human feces and dairy products.	the objective of this study was to characterize native lactobacillus fermentum isolates for their probiotic attributes. accordingly, 12 l. fermentum isolates selected from indigenous fermented dairy products and infant fecal samples were evaluated for their probiotic properties by in vitro and pcr methods. the cultures exhibited high tolerance to acid and bile as well as survival in simulated transit fluids (above 70 %). cell surface hydrophobicity was in the range of 0.55-57.69 % for xylene and ...	2015	26004804
characterization of indigenous lactobacillus strains for probiotic properties.	probiotics are defined as adequate amount of live microorganisms able to confer health benefits on the host. currently, most commercially available probiotic products in the market belong to genera lactobacillus. traditional dairy products are usually rich source of lactobacillus strains with significant health benefits. in order to evaluate the probiotic potential of these bacteria, it is essential to assess their health benefits, efficacy, and safety.	2015	25793099
fermentation of table olives by oleuropeinolytic starter culture in reduced salt brines and inactivation of escherichia coli o157:h7 and listeria monocytogenes.	the effect of an autochthonous starter culture developed by oleuropeinolytic strains belonging to the lactobacillus plantarum group on the physicochemical and microbiological characteristics and the biophenol content of table olives fermented under reduced salt conditions was studied. black (cv. kalamata) and green (cv. chalkidikis) olives were fermented in two different kinds of brine (brine a containing 2.3% nacl, 32.3mm ca-acetate and 33.9mm ca-lactate and brine b containing 4% nacl, ph5.0 in ...	2015	26065729
performance of stress resistant variants of listeria monocytogenes in mixed species biofilms with lactobacillus plantarum.	population diversity and the ability to adapt to changing environments allow listeria monocytogenes to grow and survive under a wide range of environmental conditions. in this study, we aimed to evaluate the performance of a set of acid resistant l. monocytogenes variants in mixed-species biofilms with lactobacillus plantarum as well as their benzalkonium chloride (bac) resistance in these biofilms. l. monocytogenes lo28 wild type and acid resistant variants were capable of forming mixed biofilm ...	2015	25935090
antilisterial activity of bacteriocinogenic pediococcus acidilactici ha6111-2 and lactobacillus plantarum esb 202 grown under ph and osmotic stress conditions.	bacteriocin producing lactic acid bacteria (lab) cultures can be used as biopreservatives in fermented food products; thus the food industry is interested in stable cultures that produce bacteriocins consistently. inhibtion of listeria spp. by bacteriocinogenic pediococcus acidilactici and lactobacillus plantarum (both isolated from fermented meats) was investigated under conditions of stress induced by low ph and high salt concentrations. listeria monocytogenes serogroup iib (from cheese), l. m ...	2015	25790998
a single exposure to a sublethal pediocin concentration initiates a resistance-associated temporal cell envelope and general stress response in listeria monocytogenes.	listeria monocytogenes can cause the potentially fatal food-borne disease listeriosis, and the use of bacteriocin-producing lactic acid bacteria to control l. monocytogenes holds great promise. however, the development of bacteriocin resistance is a potential challenge, and the purpose of this study was to determine if exposure to sublethal concentrations of pediocin-containing lactobacillus plantarum whe 92 supernatant could prime l. monocytogenes for resistance. by transcriptomic analysis, we ...	2015	24920558
properties of lactobacillus reuteri chitosan-calcium-alginate encapsulation under simulated gastrointestinal conditions.	the protective effects of encapsulation on the survival of lactobacillus reuteri and the retention of the bacterium's probiotic properties under simulated gastrointestinal conditions were investigated. viable counts and the remaining probiotic properties of calcium (ca)-alginate encapsulated (a group), chitosan-ca-alginate encapsulated (ca group), and unencapsulated, free l. reuteri (f group) were determined. encapsulation improved the survival of l. reuteri subjected to simulated gastrointestin ...	2015	26415668
listeria monocytogenes-carrying consortia in food industry. composition, subtyping and numerical characterisation of mono-species biofilm dynamics on stainless steel.	in order to find out how real listeria monocytogenes-carrying biofilms are in industrial settings, a total of 270 environmental samples belonging to work surfaces from fish (n = 123), meat (n = 75) and dairy industries (n = 72) were analysed in order to detect l. monocytogenes. 12 samples were positive for l. monocytogenes and a total of 18 different species were identified as accompanying microbiota in fish and meat industry. no l. monocytogenes was found in samples from dairy industry. molecul ...	2015	26001376
sublethal injury and virulence changes in listeria monocytogenes and listeria innocua treated with antimicrobials carvacrol and citral.	the aim of this study was to evaluate the effect of two antimicrobial substances, carvacrol and citral, on listeria monocytogenes and listeria innocua cells, as well as possible virulence changes in injured cells, using caenorhabditis elegans as a model test. the results indicated that the percentage of sublethal damage was higher in l. monocytogenes than in l. innocua. the results of the study carried out by using c. elegans indicated that c. elegans fed in a lawn of l. monocytogenes previously ...	2015	25998809
microbiological shelf life at different temperatures and fate of listeria monocytogenes and escherichia coli inoculated in unflavored and strawberry yogurts.	three different trials were performed on unflavored and strawberry yogurts produced in a small-scale dairy plant. in the first trial, the microbiological shelf life of the products was evaluated at 4, 8, and 20°c. at 4°c the product showed low total viable counts until the end of the trial (d 35=3.0±0.7 and 1.5±0.0 log cfu/g in unflavored and strawberry yogurt, respectively). the loads were lower in strawberry yogurt at 4°c compared with unflavored yogurt because of the antimicrobial activity ex ...	2015	25981065
microbiological quality of milk sold directly from producers to consumers.	the aim of this study was to determine the microbiological quality of raw cow milk from direct sale points. raw cow milk samples were collected from 5 randomly selected direct sale points for microbiological evaluation. the samples were analyzed to determine total aerobic bacterial count, somatic cell count (scc), counts of enterobacteriaceae, enterococcus, escherichia coli, and staphylococcus, and presence of salmonella, listeria monocytogenes, and inhibitory substances. the mean counts of tota ...	2015	25958278
the antibiotic activity and mechanisms of sugarcane (saccharum officinarum l.) bagasse extract against food-borne pathogens.	sugarcane bagasse contains natural compositions that can significantly inhibit food-borne pathogens growth. in the present study, the phenolic content in sugarcane bagasse was detected as higher than 4 mg/g dry bagasse, with 470 mg quercetin/g polyphenol. the sugarcane bagasse extract showed bacteriostatic activity against the growth of staphylococcus aureus, listeria monocytogenes, escherichia coli and salomonella typhimurium. additionally, the sugarcane bagasse extract can increase the electri ...	2015	25952848
control of pathogens in biofilms on the surface of stainless steel by levulinic acid plus sodium dodecyl sulfate.	the efficacy of levulinic acid (lva) plus sodium dodecyl sulfate (sds) to remove or inactivate listeria monocytogenes, salmonella typhimurium, and shiga toxin-producing escherichia coli (stec) in biofilms on the surface of stainless steel coupons was evaluated. five- or six-strain mixtures (ca. 9.0 log cfu/ml) of the three pathogens were separately inoculated on stainless steel coupons. after incubation at 21 °c for 72 h, the coupons were treated for 10 min by different concentrations of lva plu ...	2015	25950851
impact of t300a variant of atg16l1 on antibacterial response, risk of culture positive infections, and clinical course of crohn's disease.	autophagy-related 16-like 1 (atg16l1) deficiency leads to impaired cellular autophagy and bacterial degradation as well as an altered cytokine production. the single-nucleotide polymorphism rs2241880 (t300a) is associated with an increased risk for crohn's disease (cd). atg16l1 polymorphisms could therefore have an impact on the risk of infectious complications and disease course in cd. we examined the impact of the t300a genotype on the antibacterial response toward a panel of pathogenic bacter ...	2015	26673830
in vitro generation of rabbit anti-listeria monocytogenes monoclonal antibody using single cell based rt-pcr linked cell-free expression systems.	rabbit monoclonal antibodies (mabs) have advantages over mouse antibodies in diagnostics and biotechnological applications owing to higher affinity and specificity.we developed a platform to generate rabbit mabs by a novel monoclonal antibody generation method named “single-cell reverse transcription-pcr linked in vitro-expression (sicrex)” system. in this method,we use single-cell based rt-pcr followed by sequential pcr steps of mab genes and subsequent cell-free protein synthesis (cfps) by usi ...	2015	26454028
survival and high-hydrostatic pressure inactivation of foodborne pathogens in salmorejo, a traditional ready-to-eat food.	salmorejo is a traditional tomato-based creamy product. because salmorejo is not heat-processed, there is a risk of contamination with foodborne pathogens from raw materials. even though bacterial growth in salmorejo is strongly inhibited because of its acidic ph (close to 3.9), the growth and survival of 3 foodborne pathogens in this food has not been studied before. in this study, 3 cocktails consisting of escherichia coli o157, salmonella enterica serovar enteritidis, and listeria monocytogen ...	2015	26448479
astaxanthin from psychrotrophic sphingomonas faeni exhibits antagonism against food-spoilage bacteria at low temperatures.	food production and processing industry holds a perpetual relationship with microorganisms and their by-products. in the present study, we aimed to identify beneficial cold-adapted bacteria devoid of any food spoilage properties and study their antagonism against common food-borne pathogens at low temperature conditions. ten isolates were obtained on selective isolation at 5 °c, which were spread across genera pseudomonas, sphingomonas, psychrobacter, leuconostoc, rhodococcus, and arthrobacter. ...	2015	26411893
persistence of indicator and pathogenic microorganisms in broccoli following manure spreading and irrigation with fecally contaminated water: field experiment.	in 2011 and 2012, trials consisting of experimental plots were carried out to evaluate the presence of pathogenic (listeria monocytogenes, salmonella) and prevalence of indicator (escherichia coli) microorganisms in broccoli fertilized with liquid hog manure or mineral fertilizers and irrigated zero, one, or two times with e. coli-contaminated water. in 2011, results showed that e. coli contamination in broccoli heads was affected by the interval between irrigation and sampling (p = 0.0236), wit ...	2015	26408125
combined effect of irradiation and ageing condition on physicochemical and microbial quality of hanwoo eye of round.	the combined effects of electron-beam irradiation and ageing of beef were examined. the irradiated samples at dose of 0 or 2 kgy were kept and analyzed for the microbial growth, shear values, meat color, and nucleotide-related flavor compounds at different ageing temperatures (2, 10, or 25℃) for 8 d. the irradiation effect on inactivation of foodborne pathogens was also investigated. the population of listeria monocytogenes and e. coli o157:h7 inoculated in beef samples decreased in proportion t ...	2015	26761855
improvement of antimicrobial activity of pediocin pa-1 by site-directed mutagenesis in c-terminal domain.	pediocin pa-1 is a well-known class iia bacteriocin which shows strong inhibitory effect against listeria monocytogenes. in this work, in order to improve the antimicrobial activity, eight single- site mutants and six combination mutants on nine interesting sites in the c-terminal region of pediocin pa-1 were constructed and expressed in escherichia coli heterologously. ten mutants demonstrated enhancement activity when performed the agar diffusion test to the indicator strain l. monocytogenes. ...	2015	26299998
control of escherichia coli and listeria monocytogenes in suckling-lamb meat evaluated using microbial challenge tests.	escherichia coli and listeria monocytogenes microbial challenge tests were performed on fresh suckling-lamb meat. hind leg slices were chilly stored under two modified atmosphere packaging (map) environments (a: 15%o2/60%co2/25%n2, b: 15%o2/30%co2/55%n2) and vacuum packaging (v). only e. coli was reduced between 0.72-1.25 log cfu/g from day 1 to day 4 by the combined use of map/v, chilling storage and the growth of native lactic acid bacteria. however, l. monocytogenes was not inhibited by the a ...	2015	26298670
ready-to-eat street-vended food as a potential vehicle of bacterial pathogens and antimicrobial resistance: an exploratory study in porto region, portugal.	the ready-to-eat street vending commerce, as street mobile food vendors, has grown exponentially worldwide, representing in some countries a significant proportion of food consumed by the urban population. however, the microbiological food safety hazards of mobile vending units in industrialized countries are scarcely evaluated. to assess the microbiological quality and safety of this type of food and try to achieve the connection of its contamination with hygienic conditions of food-handlers, w ...	2015	25910073
rapid detection of listeria monocytogenes in milk using confocal micro-raman spectroscopy and chemometric analysis.	listeria monocytogenes is a facultatively anaerobic, gram-positive, rod-shape foodborne bacterium causing invasive infection, listeriosis, in susceptible populations. rapid and high-throughput detection of this pathogen in dairy products is critical as milk and other dairy products have been implicated as food vehicles in several outbreaks. here we evaluated confocal micro-raman spectroscopy (785 nm laser) coupled with chemometric analysis to distinguish six closely related listeria species, inc ...	2015	25863337
assessment of microbial risk factors and impact of meteorological conditions during production of baby spinach in the southeast of spain.	there is a timely need to evaluate the effect agricultural factors and meteorological conditions on fresh produce contamination. this study evaluated those risk factors and described, for the first time, the distribution of indicator microorganisms (escherichia coli, enterococcus, coliforms, and enterobacteriaceae) and the prevalence of foodborne pathogens (enterohaemorrhagic e. coli, listeria monocytogenes and salmonella spp.) in baby spinach grown in the southeast of spain. a longitudinal stud ...	2015	25846928
effects of sub-lethal concentrations of thyme and oregano essential oils, carvacrol, thymol, citral and trans-2-hexenal on membrane fatty acid composition and volatile molecule profile of listeria monocytogenes, escherichia coli and salmonella enteritidis.	the aim of this work was to investigate the modifications of cell membrane fatty acid composition and volatile molecule profiles of listeria monocytogenes, salmonella enteritidis, escherichia coli, during growth in the presence of different sub-lethal concentrations of thyme and oregano essential oils as well as carvacrol, thymol, trans-2-hexenal and citral. the results evidenced that the tested molecules induced noticeable modifications of membrane fatty acid profiles and volatile compounds pro ...	2015	25842326
determining the potential link between irrigation water quality and the microbiological quality of onions by phenotypic and genotypic characterization of escherichia coli isolates.	the potential transfer of human pathogenic bacteria present in irrigation water onto fresh produce was investigated, because surface water sources used for irrigation purposes in south africa have increasingly been reported to be contaminated with enteric bacterial pathogens. a microbiological analysis was performed of a selected river in limpopo province, south africa, that is often contaminated with raw sewage from municipal sewage works and overhead irrigated onions produced on a commercial f ...	2015	25836387
comparison of the prevalences and diversities of listeria species and listeria monocytogenes in an urban and a rural agricultural watershed.	foods and related processing environments are commonly contaminated with the pathogenic listeria monocytogenes. to investigate potential environmental reservoirs of listeria spp. and l. monocytogenes, surface water and point source pollution samples from an urban and a rural municipal water supply watershed in nova scotia, canada, were examined over 18 months. presumptive listeria spp. were cultured from 72 and 35% of rural and urban water samples, respectively, with 24% of the positive samples ...	2015	25819965
microbiological and shelf life characteristics of eviscerated and vacuum packed freshwater catfish (ompok pabda) during chill storage.	the effect of vacuum packaging technique on the shelflife of eviscerated pabda catfish (ompok pabda) during chill storage at 4 ± 2 °c was studied. the shelflife of pabda fish was predicted based on the cumulative observations of biochemical, microbiological and sensory parameters. there was no significant difference in the lipid quality parameters studied between the samples during the chill storage period, whereas, vacuum packaging significantly improved the sensory and microbiological quality. ...	2015	25745210
ceramide and sphingosine in pulmonary infections.	acid sphingomyelinase and ceramide have previously been shown to play a central role in infections with neisseria gonorrhoeae, staphylococcus aureus, listeria monocytogenes, pseudomonas aeruginosa, salmonella typhimurium, escherichia coli, and mycobacterium avium. recent studies have extended the role of sphingolipids in bacterial infections and have demonstrated that ceramide and sphingosine are central to the defense of lungs against bacterial pathogens. ceramide accumulates in the airway epit ...	2015	25720061
prevalence of bacteria and absence of anisakid parasites in raw and prepared fish and seafood dishes in spanish restaurants.	this study evaluated the presence of bacteria and anisakid parasites in 45 samples of raw anchovies in vinegar, a dish widely eaten in spain, and in 227 samples of cooked fish and cephalopods served in spanish food service establishments. our analysis showed that, according to european and spanish regulation, 14 to 30% of the prepared fish and cephalopod dishes exceeded the maximum allowable level for mesophilic aerobic counts, and 10 to 40% of these samples exceeded the allowable levels for ent ...	2015	25719890
first two domains at the lp_1643 protein n terminus inhibit pathogen adhesion to porcine mucus in vitro.	gastrointestinal probiotics are important members of intestinal microflora in both healthy animals and human beings, and these bacteria may reduce the risk of infection caused by certain opportunistic pathogens through exclusive inhibition, competition, and displacement. the lp_1643 protein on the cell surface of lactobacillus plantarum wcfsi was assumed to possess a mucus-binding capability. this study aimed to determine if purified his-n2 protein exclusively inhibits pathogen adhesion to porci ...	2015	25710153
(aminophosphane)gold(i) and silver(i) complexes as antibacterial agents.	this manuscript describes the synthesis of new au(i) and ag(i) complexes with aminophosphane ligands and a study of their antibacterial activity against gram-negative salmonella enterica serovar typhimurium and escherichia coli and gram-positive listeria monocytogenes and staphylococcus aureus. the bactericidal assays revealed the effectiveness of these compounds on paradigm gram-negative and gram-positive pathogens, showing a moderate antimicrobial activity, comparable with the antibiotics of r ...	2015	25706322
the expression of propionicin plg-1 gene (plg-1) by lactic starters.	propionicin plg-1 is a bacteriocin produced by propionibacterium thoenii p127. such bacteriocin inhibits wide range of food-borne pathogens such as pathogenic escherichia coli, pseudomonas aeruginosa, vibrio parahaemolyticus, yersinia enterocolitica and a strain of corynebacterium sp. in the present study, plg-1 gene expressing propionicin plg-1 was isolated, sequenced for the first time and the resulting sequence was analysed using several web-based bioinformatics programs. the pcr product cont ...	2015	25684078
a 3-year hygiene and safety monitoring of a meat processing plant which uses raw materials of global origin.	a systematic approach in monitoring the hygiene of a meat processing plant using classical microbiological analyses combined with molecular characterization tools may assist in the safety of the final products. this study aimed: (i) to evaluate the total hygiene level and, (ii) to monitor and characterize the occurrence and spread of salmonella spp. and listeria monocytogenes in the environment and the final products of a meat industry that processes meat of global origin. in total, 2541 samples ...	2015	25600954
analytical bioconjugates, aptamers, enable specific quantitative detection of listeria monocytogenes.	as a major human pathogen in the listeria genus, listeria monocytogenes causes the bacterial disease listeriosis, which is a serious infection caused by eating food contaminated with the bacteria. we have developed an aptamer-based sandwich assay (absa) platform that demonstrates a promising potential for use in pathogen detection using aptamers as analytical bioconjugates. the whole-bacteria selex (wb-selex) strategy was adopted to generate aptamers with high affinity and specificity against li ...	2015	25590973
storage stability and antibacterial activity of eugenol nanoliposomes prepared by an ethanol injection-dynamic high-pressure microfluidization method.	eugenol is a major phenolic component with diverse biological activities. however, it is difficult to formulate into an aqueous solution due to poor water solubility, and this limits its application. in the present study, eugenol nanoliposomes (en) were prepared by combining the ethanol injection method with the dynamic high-pressure microfluidization method. good physicochemical characterizations of en were obtained. the successful encapsulation of eugenol in nanoliposomes was confirmed by four ...	2015	25581174
the effect of surface properties of polycrystalline, single phase metal coatings on bacterial retention.	in the food industry microbial contamination of surfaces can result in product spoilage which may lead to potential health problems of the consumer. surface properties can have a substantial effect on microbial retention. the surface characteristics of chemically different coatings (cu, ti, mo, ag, fe) were defined using white light profilometry (micro-topography and surface features), atomic force microscopy (nano-topography) and physicochemical measurements. the ag coating had the greatest top ...	2015	25576986
technological properties and probiotic potential of lactobacillus fermentum strains isolated from west african fermented millet dough.	throughout africa, food fermentations are still driven by indigenous microorganisms which influence the nutritional, organoleptic and safety of the final products. however, for improved safety, consistent quality and beneficial health effects, a trend has emerged which involves the isolation of indigenous strains from traditional fermented products to be used as functional starter cultures. these functional starter cultures possess inherent functional characteristics and can contribute to food q ...	2015	26560346
vital signs: multistate foodborne outbreaks - united states, 2010-2014.	millions of u.s. residents become ill from foodborne pathogens each year. most foodborne outbreaks occur among small groups of persons in a localized area. however, because many foods are distributed widely and rapidly, and because detection methods have improved, outbreaks that occur in multiple states and that even span the entire country are being recognized with increasing frequency.	2015	26540483
uv-heat treatments for the control of foodborne microbial pathogens in chicken broth.	this investigation established the process criteria for using uv-c light and mild heat (uv-h treatment) to inactivate 5-log10 cycles (performance criterion) of common foodborne pathogen populations, escherichia coli, salmonella typhimurium, listeria monocytogenes, and staphylococcus aureus, when inoculated in chicken broth. to define the target microorganism and the proper uv-h treatment conditions (including uv dose, treatment time, and temperature) that would achieve the stated performance cri ...	2015	26539493
ixodes ricinus defensins attack distantly-related pathogens.	antimicrobial peptides are ubiquitous components of eukaryotic innate immunity. defensins are a well-known family of antimicrobial peptides, widely distributed in ticks, insects, plants and mammals, showing activity against bacteria, viruses, fungi, yeast and protozoan parasites. ixodes ricinus is the most common tick species in europe and is a vector of pathogens affecting human and animal health. recently, six defensins (including two isoforms) were identified in i. ricinus. we investigated th ...	2015	26255244
a microfluidic droplet digital pcr for simultaneous detection of pathogenic escherichia coli o157 and listeria monocytogenes.	sensitive and rapid identification of pathogenic bacterial is extremely important due to the serious threat of pathogens to human health. in this study, we demonstrate the simultaneous and sensitive detection of pathogenic escherichia coli o157 and listeria monocytogenes using a novel duplex droplet digital pcr (ddpcr) platform. the ddpcr platform, which uses a mineral oil-saturated polydimethylsiloxane (osp) chip to overcome the problem of droplet evaporation, integrates the functions of drople ...	2015	26226346
determining the minimum ripening time of artisanal minas cheese, a traditional brazilian cheese.	physical, physicochemical, and microbiological changes were monitored in 256 samples of artisanal minas cheese from eight producers from serro region (minas gerais, brazil) for 64 days of ripening to determine the minimum ripening time for the cheese to reach the safe microbiological limits established by brazilian legislation. the cheeses were produced between dry season (april-september) and rainy season (october-march); 128 cheeses were ripened at room temperature (25 ± 4 °c), and 128 were ri ...	2015	26221111
simultaneous electrochemical magneto genosensing of foodborne bacteria based on triple-tagging multiplex amplification.	simultaneous detection of salmonella enterica, listeria monocytogenes and escherichia coli based on triple-tagging multiplex pcr and electrochemical magneto genosensing on silica magnetic particles is reported. a set of tagging primers were selected for the specific amplification of yfir (375 bp), hlya (234 bp) and eaea (151bp), being one of the primers for each set labelled with fluorescein, biotin and digoxigenin coding for s. enterica, l. monocytogenes and e. coli, respectively. afterwards, e ...	2015	26201982
microbiological safety and food handling practices of seed sprout products in the australian state of victoria.	seed sprouts have been implicated as vehicles for numerous foodborne outbreaks worldwide. seed sprouts pose a unique food safety concern because of the ease of microbiological seed contamination, the inherent ability of the sprouting process to support microbial growth, and their consumption either raw or lightly cooked. to examine seed sprout safety in the australian state of victoria, a survey was conducted to detect specific microbes in seed sprout samples and to investigate food handling pra ...	2015	26197293
molecular insights into a molluscan transferrin homolog identified from disk abalone (haliotis discus discus) evidencing its detectable role in host antibacterial defense.	the basic function of transferrin is to bind iron (iii) ions in the medium and to deliver them to the locations where they are required for metabolic processes. it also takes part in the host immune defense mainly via its ability to bind to iron (iii) ions. hence, transferrin is also identified as an important acute-phase protein in host immunity. abalones are major shellfish aquaculture crops that are susceptible to a range of marine microbial infections. since transferrin is known to be a majo ...	2015	26191782
preparation and application of agar/alginate/collagen ternary blend functional food packaging films.	ternary blend agar/alginate/collagen (a/a/c) hydrogel films with silver nanoparticles (agnps) and grapefruit seed extract (gse) were prepared. their performance properties, transparency, tensile strength (ts), water vapor permeability (wvp), water contact angle (ca), water swelling ratio (sr), water solubility (ws), and antimicrobial activity were determined. the a/a/c film was highly transparent, and both agnps and gse incorporated blend films (a/a/c(agnps) and a/a/c(gse)) exhibited uv-screenin ...	2015	26187189
laminarin from irish brown seaweeds ascophyllum nodosum and laminaria hyperborea: ultrasound assisted extraction, characterization and bioactivity.	ultrasound assisted extraction (uae), purification, characterization and antioxidant activity of laminarin from irish brown seaweeds ascophyllum nodosum and laminarina hyperborea were investigated. uae was carried out using 60% ultrasonic power amplitude and 0.1 m hydrochloric acid for 15 min. separately, solid-liquid extraction was carried in an orbital shaker using 0.1 m hydrochloric acid at 70 °c for 2.5 h. uae with hydrochloric acid resulted in the highest concentration of laminarin, 5.82% a ...	2015	26184235
influence of general stress-response alternative sigma factors σ(s) (rpos) and σ(b) (sigb) on bacterial tolerance to the essential oils from origanum vulgare l. and rosmarinus officinalis l. and pulsed electric fields.	this study assessed the influence of general stress-response alternative sigma factors rpos (σ(s)) and sigb (σ(b)) on tolerance of escherichia coli (e. coli mg1655 and its isogenic mutant e. coli mg1655 δrpos) and listeria monocytogenes (l. monocytogenes egd-e and its isogenic mutant l. monocytogenes egd-e δsigb) to the essential oils (eos) from origanum vulgare l.-oregano (oveo) and rosmarinus officinalis l.-rosemary (roeo), as well as the changes in tolerance of parental and δrpos and δsigb mu ...	2015	26159473
inactivation of pathogenic bacteria inoculated onto a bacto™ agar model surface using tio2-uvc photocatalysis, uvc and chlorine treatments.	the aim of this study was to study inactivation of different pathogenic bacteria on agar model surface using tio2-uv photocatalysis (tuvp).	2015	26099167
cold plasma inactivation of internalised bacteria and biofilms for salmonella enterica serovar typhimurium, listeria monocytogenes and escherichia coli.	microbial biofilms and bacteria internalised in produce tissue may reduce the effectiveness of decontamination methods. in this study, the inactivation efficacy of in-package atmospheric cold plasma (acp) afterglow was investigated against salmonella typhimurium, listeria monocytogenes and escherichia coli in the forms of planktonic cultures, biofilms formed on lettuce and associated bacteria internalised in lettuce tissue. prepared lettuce broth (3%) was inoculated with bacteria resulting in a ...	2015	26093991
amino acid mediated synthesis of silver nanoparticles and preparation of antimicrobial agar/silver nanoparticles composite films.	silver nanoparticles (agnps) were synthesized using amino acids (tyrosine and tryptophan) as reducing and capping agents, and they were incorporated into the agar to prepare antimicrobial composite films. the agnps solutions exhibited characteristic absorption peak at 420 nm that showed a red shift to ∼434 nm after forming composite with agar. xrd data demonstrated the crystalline structure of agnps with dominant (111) facet. apparent surface color and transmittance of agar films were greatly in ...	2015	26076636
bacterial enteric infections among older adults in the united states: foodborne diseases active surveillance network, 1996-2012.	a growing segment of the population-adults aged ≥65 years-is more susceptible than younger adults to certain enteric (including foodborne) infections and experience more severe disease.	2015	26067228
impact of cell-free supernatant of lactic acid bacteria on putrescine and other polyamine formation by foodborne pathogens in ornithine decarboxylase broth.	conversion of ornithine to putrescine by salmonella paratyphi a, listeria monocytogenes, staphylococcus aureus, and escherichia coli was investigated in ornithine decarboxylase broth (odb) using cell-free supernatants (cfss) obtained from leuconostoc mesenterodies subsp. cremoris, pediococcus acidilactici, lactococcus lactis subsp. lactis, streptococcus thermophilus. two groups of cell-free supernatants (25 or 50%) and control (only odb) were prepared to investigate putrescine (put) and other po ...	2015	26043863
irrigation is significantly associated with an increased prevalence of listeria monocytogenes in produce production environments in new york state.	environmental (i.e., meteorological and landscape) factors and management practices can affect the prevalence of foodborne pathogens in produce production environments. this study was conducted to determine the prevalence of listeria monocytogenes, listeria species (including l. monocytogenes), salmonella, and shiga toxin-producing escherichia coli (stec) in produce production environments and to identify environmental factors and management practices associated with their isolation. ten produce ...	2015	26038903
epidemiology of bacteremia in previously healthy febrile infants: a follow-up study.	describe the etiology of bacteremia among a geographically diverse sample of previously well infants with fever admitted for general pediatric care and to characterize demographic and clinical characteristics of infants with bacteremia according to bacterial etiology. we hypothesized that the epidemiology of bacteremia in febrile infants from a geographically diverse cohort would show similar results to smaller or single-center cohorts previously reported.	2015	26034160
libyan thymus capitatus essential oil: antioxidant, antimicrobial, cytotoxic and colon pathogen adhesion-inhibition properties.	in the present work, the libyan wild-growing thymus capitatus essential oil (eo) was evaluated for its biological properties.	2015	26033505
detection of poultry meat specific bacteria using ftir spectroscopy and chemometrics.	ftir spectra of poultry meat specific bacteria viz. salmonella enteritidis, pseudomonas ludensis, listeria monocytogenes and escherichia coli were collected and investigated for identification of spectral windows capable of bacterial classification and quantification. two separate datasets obtained at different times were used in the study to check reproducibility of results. multivariate data analysis techniques viz. principal component analysis (pca), partial least-squares discriminant analysi ...	2015	26028771
a comparison of in-house real-time lamp assays with a commercial assay for the detection of pathogenic bacteria.	molecular detection of bacterial pathogens based on lamp methods is a faster and simpler approach than conventional culture methods. although different lamp-based methods for pathogenic bacterial detection are available, a systematic comparison of these different lamp assays has not been performed. in this paper, we compared 12 in-house real-time lamp assays with a commercialized kit (isothermal master mix) for the detection of listeria monocytogenes, salmonella spp, staphylococcus aureus, esche ...	2015	26020698
improved properties and microbiological safety of novel cottage cheese containing spices.	the study focuses on developing novel cottage cheese containing spices with acceptable sensory properties, increased biological value and extended shelf life. thirty types of cheese with added fresh or dried parsley, dill, pepper, garlic and rosemary were produced. characterisation of phenolic compounds, antioxidant capacity and antibacterial activity of spices and cheese samples were evaluated. the cheese containing fresh pepper and fresh and dried herbs showed excellent sensory properties, wit ...	2015	27904380
best practices for planning events encouraging human-animal interactions.	educational events encouraging human-animal interaction include the risk of zoonotic disease transmission. it is estimated that 14% of all disease in the usa caused by campylobacter spp., cryptosporidium spp., shiga toxin-producing escherichia coli (stec) o157, non-o157 stecs, listeria monocytogenes, non-typhoidal salmonella enterica and yersinia enterocolitica were attributable to animal contact. this article reviews best practices for organizing events where human-animal interactions are encou ...	2015	24751220
attachment of escherichia coli to listeria monocytogenes for pediocin-mediated killing.	listeria phage endolysin cell wall-binding domain (cbd) from the listeria phage a500 was fused with flagellar subunit flic in escherichia coli, aiming at binding of e. coli cells to listeria cells, followed by enhanced killing of listeria by pediocin production. flic::cbd chimeric flagella were expressed and detected by western blot. however, only few chimeric flagella could be isolated from the recombinant cells compared with sufficient amount of wild-type flagella obtained from the host cells. ...	2015	25270683
treatment strategies for central nervous system infections: an update.	central nervous system infection continues to be an important cause of mortality and morbidity worldwide. our incomplete knowledge on the pathogenesis of how meningitis-causing pathogens cause cns infection and emergence of antimicrobial resistance has contributed to the mortality and morbidity. an early empiric antibiotic treatment is critical for the management of patients with bacterial meningitis, but early recognition of bacterial meningitis continues to be a challenge.	2015	25328149
prevalence and characterization of listeria monocytogenes, salmonella and shiga toxin-producing escherichia coli isolated from small mexican retail markets of queso fresco.	queso fresco (qf) is a handmade cheese consumed and produced in latin america. in mexico, qf production is associated with a microbiological risk. the aim of the study was to determine the incidence and characterization of listeria monocytogenes, salmonella spp., and shiga toxin-producing escherichia coli (stec) in qf from retail markets of the north-western state of sinaloa, mexico, and to assess the effect of physicochemical parameters on listeria presence. a total of 75 qf samples were obtain ...	2015	24809389
prevalence of major foodborne pathogens in food confiscated from air passenger luggage.	the eu has issued several directives and regulations pertaining to the importation of animals and products of animal origin (poao) and veterinary controls on importation. unfortunately, little information is available concerning associated risks and no attempts have been made to collect baseline data on the actual prevalence of zoonotic agents in poao carried by travellers. to meet these challenges the eu recently introduced and financed a research project "promise". its main objectives were to ...	2015	25161012
the microbiological quality of ready-to-eat salads in turkey: a focus on salmonella spp. and listeria monocytogenes.	the microbiological safety of ready-to-eat (rte) foods is of special concern as they are not exposed to further processing before consumption. in the present study, listeria monocytogenes and salmonella spp. were isolated from 15(6%) and 21(8%) samples respectively out of 261 rte foods commercialized in turkey. escherichia coli was present in 10(4%) samples analyzed. psychrotrophic aerobic populations >6logcfu/g were found in 36 (14%) of the samples, while total coliforms were detected in 155 (5 ...	2015	25528536
antimicrobial activity of hop extracts against foodborne pathogens for meat applications.	the objective of this study was the fundamental investigation of the antimicrobial efficiency of various hop extracts against selected foodborne pathogens in vitro, as well as their activity against listeria monocytogenes in a model meat marinade and on marinated pork tenderloins.	2015	25494620
inactivation kinetics of foodborne pathogens by uv-c radiation and its subsequent growth in fresh-cut kailan-hybrid broccoli.	the inactivation of escherichia coli, s. enteritidis and listeria monocytogenes after uv-c radiation with 0, 2.5, 5, 7.5, 10 and 15 kj uv-c m(-2) on fresh-cut kailan-hybrid broccoli was explored. inactivation did not follow linear kinetics. hence, it was modelled by using the weibull distribution function, obtaining adjusted r(2) values higher than 94%, indicative of the accuracy of the model to the experimental data. the uv-c doses needed to reduce 1 log cycle the e. coli, s. enteritidis and l. ...	2015	25475295
evaluation of pathogen inactivation on sliced cheese induced by encapsulated atmospheric pressure dielectric barrier discharge plasma.	pathogen inactivation induced by atmospheric pressure dielectric barrier discharge (dbd) (250 w, 15 khz, air discharge) produced in a rectangular plastic container and the effect of post-treatment storage time on inactivation were evaluated using agar plates and cheese slices. when agar plates were treated with plasma, populations of escherichia coli, salmonella typhimurium, and listeria monocytogenes showed 3.57, 6.69, and 6.53 decimal reductions at 60 s, 45 s, and 7 min, respectively. when the ...	2015	25475265
the influence of the cell free solution of lactic acid bacteria on tyramine production by food borne-pathogens in tyrosine decarboxylase broth.	the function of cell-free solutions (cfss) of lactic acid bacteria (lab) on tyramine and other biogenic amine production by different food borne-pathogens (fbps) was investigated in tyrosine decarboxylase broth (tdb) using hplc. cell free solutions were prepared from four lab strains. two different concentrations which were 50% (5 ml cfs+5 ml medium/1:1) and 25% (2.5 ml cfs+7.5 ml medium/1:3) cfs and the control without cfs were prepared. both concentration of cfs of streptococcus thermophilus a ...	2015	25465993
prevalence and predictors of bacterial meningitis in young infants with fever without a source.	classical criteria differ when performing cerebrospinal fluid (csf) analysis in infants younger than 90 days with fever without a source (fws). our objectives were to analyze the prevalence and microbiology of bacterial meningitis in this group and its prevalence in relation to clinical and laboratory risk factors.	2015	25461476
antimicrobial effects of short chained imidazolium-based ionic liquids—influence of anion chaotropicity.	ionic liquids (ils), a new solvent class composed solely of ions, have already found their way into numerous chemical and biochemical applications. due to their unique properties and wide application range, research utilizing this new technology for biotechnological applications is steadily increasing. however, progress is hampered by lack of toxicological data, especially concerning il anions and their general underlying toxicity mechanisms. the present study investigated for the first time the ...	2015	25450920
brazilian fruit pulps as functional foods and additives: evaluation of bioactive compounds.	eight tropical fruit pulps from brazil were simultaneously characterised in terms of their antioxidant and antimicrobial properties. antioxidant activity was screened by dpph radical scavenging activity (126-3987 mg te/100g dw) and ferric reduction activity power (368-20819 mg aae/100g dw), and complemented with total phenolic content (329-12466 mg gae/100g dw) and total flavonoid content measurements (46-672 mg ee /100g dw), whereas antimicrobial activity was tested against the most frequently ...	2015	25442579
epidemiology of community-acquired bacteremia among infants in a medical center in taiwan, 2002-2011.	to investigate the etiologies and antibiotic susceptibility of community-acquired bacteremia in infants in a medical center in northern taiwan.	2015	24291617
mechanistic aspects of biologically synthesized silver nanoparticles against food- and water-borne microbes.	in the present study, silver nanoparticles (agnps) synthesized from aqueous leaves extract of malva crispa and their mode of interaction with food- and water-borne microbes were investigated. formation of agnps was conformed through uv-vis, fe-sem, eds, afm, and hr-tem analyses. further the concentration of silver (ag) in the reaction mixture was conformed through icp-ms analysis. different concentration of nanoparticles (1-3 mm) tested to know the inhibitory effect of bacterial pathogens such a ...	2015	26178241
composition, antimicrobial, antioxidant, and antiproliferative activity of origanum dictamnus (dittany) essential oil.	nowadays, there has been an increased interest in essential oils from various plant origins as potential antimicrobial, antioxidant, and antiproliferative agents. this trend can be mainly attributed to the rising number and severity of food poisoning outbreaks worldwide along with the recent negative consumer perception against artificial food additives and the demand for novel functional foods with possible health benefits. origanum dictamnus (dittany) is an aromatic, tender perennial plant tha ...	2015	25952773
comparison of three bacillus amyloliquefaciens strains growth behaviour and evaluation of the spoilage risk during bread shelf-life.	this study aims at the characterisation of growth behaviour of three strains of bacillus amyloliquefaciens, isolated from ropy bread (atcc8473), wheat grain (ispa-s109.3) and semolina (ispa-n9.1) to estimate rope spoilage risk in pan bread during shelf-life using the sym'previus tool. cardinal values and growth/no growth boundaries were determined in broth, while artificial spore inoculations were performed in dough for various pan bread recipes to compare experimental counts with in silico grow ...	2015	25481056
immobilization of proteases on chitosan for the development of films with anti-biofilm properties.	bacterial resistance due to biofilm formation-particularly staphylococci biofilms-is associated with multiple problems in medical settings where biofilms can colonize medical indwelling devices and cause nosocomial infections. it was against this backdrop that we explored the anti-biofilm activities of a set of proteases against biofilm formation by staphylococcus aureus, listeria monocytogenes and pseudomonas aeruginosa. the selected screened enzymes were immobilized on chitosan to obtain films ...	2015	25451753
enteric bacteria isolated from diarrheal patients in korea in 2014.	the aim of this study was to characterize the pathogens responsible for causing diarrhea according to season, region of isolation, patient age, and sex as well as to provide useful data for the prevention of diarrheal disease.	2015	26473090
total phenolic and flavonoid content and antibacterial activity of punica granatum l. var. pleniflora flowers (golnar) against bacterial strains causing foodborne diseases.	flowers of punica granatum l. (punicaceae) var. pleniflora, known as "golnar" in iranian traditional medicine have been used for the prevention and treatment of foodborne diseases. in this study, antibacterial activities of ethanol extract of golnar and its fractions were scientifically evaluated against bacteria causing foodborne diseases including staphylococcus aureus, bacillus cereus, listeria monocytogenes, escherichia coli, shigella dysantriae, and salmonella typhi. the total phenolic and ...	2015	26470879
isolation and characterization of bacteriocinogenic lactic bacteria from m-tuba and tepache, two traditional fermented beverages in méxico.	mexican tuba (m-tuba) and tepache are mexican fermented beverages prepared mainly with pineapple pulp and coconut palm, respectively. at present, reports on the microbiota and nutritional effects of both beverages are lacking. the purpose of this study was to determine whether m-tuba and tepache contain cultivable lactic acid bacteria (lab) capable of producing bacteriocins. tepache and m-tuba contain mesophilic aerobic bacteria, lab, and yeast. bacillus subtilis, listeria monocytogenes, listeri ...	2015	26405529
antibacterial effect and mechanism of high-intensity 405 ± 5 nm light emitting diode on bacillus cereus, listeria monocytogenes, and staphylococcus aureus under refrigerated condition.	this study investigated the antibacterial effect of 405 ± 5 nm light emitting diode (led) on bacillus cereus, listeria monocytogenes, and staphylococcus aureus, and examined its antibacterial mechanism by determining the bacterial membrane and dna damages. a 405 ± 5 nm led illuminated the gram-positive pathogens until 486 j/cm(2) at 4 °c. weibull model was used to calculate reliable life (tr) to compare bacterial sensitivities to led illumination. the membrane damage was determined by nacl and l ...	2015	26398810
chemical composition and in vitro antibacterial activity of mentha spicata essential oil against common food-borne pathogenic bacteria.	the aim of the present study was to investigate chemical composition and antibacterial activity of essential oil from the leaf of mentha spicata plant against common food-borne pathogenic bacteria (staphylococcus aureus, bacillus subtilis, bacillus cereus, listeria monocytogenes, salmonella typhimurium, and escherichia coli o157:h7). chemical composition of the essential oil was identified by gas chromatography coupled with mass spectrometer detector (gc-ms). the antibacterial activity of the es ...	2015	26351584
reduction of listeria monocytogenes and bacillus cereus in milk by zinc oxide nanoparticles.	direct addition of antimicrobial materials to food during food processing is an effective method for controlling microbial contaminants of food and extending the shelf- life of food products. objective of this research was to study the antimicrobial effect of zinc oxide (zno) nanoparticle and potential applications of zno nanoparticles in terms of controling two food-borne pathogens in milk.	2015	26351469