Publications
| Title | Abstract | Year Filter | PMID(sorted descending) Filter |
|---|
| cxcr3 plays a critical role for host protection against salmonellosis. | cxcr3 and its ligands are heavily associated with inflammation and have been implicated in numerous inflammatory diseases. cxcr3 plays an important role in recruiting pro-inflammatory cells, specifically neutrophils, in a model of sterile colitis whereby cxcr3(-/-) mice showed an attenuated course of colitis with markedly reduced host-tissue damage in the inflamed caecum. the role of cxcr3 during infectious colitis, however, is unclear and therefore in this study, we investigated the role of cxc ... | 2017 | 28860493 |
| in vitro antimicrobial activity screening of xylaria hypoxylon. | fungi have a potential of using both as nutritive and medicinal food stuff. because of containing several therapeutic agents, they are reported to be used for hundreds of years to treat several diseases caused by bacteria, fungi, viruses and parasites. the aim of this study is to determine the in vitro antimicrobial activity of xylaria hypoxylon, which were collected from yomra, trabzon, turkey. | 2016 | 28852719 |
| protection mechanism of clostridium butyricum against salmonella enteritidis infection in broilers. | this study was designed to evaluate the protection mechanism of oral administration of clostridium butyricum against salmonella enteritidis (se) colonization in broilers. in the current study, 180 one-day-old healthy arbor acres (aa) broilers were meanly grouped into three, with three replicates of 20 birds each. an negative control group was fed basal diet without se challenge and a positive control (pc) group was fed the basal diet and challenged with se [10(6) colony forming unit (cfu)/0.2 ml ... | 2017 | 28848530 |
| biochips for direct detection and identification of bacteria in blood culture-like conditions. | bloodstream bacterial infections are life-threatening conditions necessitating prompt medical care. rapid pathogen identification is essential for early setting of the best anti-infectious therapy. however, the bacterial load in blood samples from patients with bacteremia is too low and under the limit of detection of most methods for direct identification of bacteria. therefore, a preliminary step enabling the bacterial multiplication is required. to do so, blood cultures still remain the gold ... | 2017 | 28842712 |
| simultaneous detection of escherichia coli o157:h7, salmonella enteritidis, and listeria monocytogenes at a very low level using simultaneous enrichment broth and multichannel spr biosensor. | detection of foodborne pathogens at very low levels is still a challenge. a custom-built multichannel surface plasmon resonance (spr) biosensor and simultaneous enrichment broth (seb) were used to develop a simultaneous detection method for 3 important foodborne pathogens, escherichia coli o157:h7 (o157:h7), salmonella enteritidis, and listeria monocytogenes, at a very low level. these 3 foodborne pathogens at a very low level (14, 6, and 28 cfu/25 g (ml) for o157:h7, s. enteritidis, and l. mono ... | 2017 | 28833106 |
| resistance mechanisms and fitness of salmonella typhimurium and salmonella enteritidis mutants evolved under selection with ciprofloxacin in vitro. | the aim of this study was to investigate the difference in resistance mechanisms and fitness of salmonella typhimurium (st) and salmonella enteritidis (se) mutants selected during the evolution of resistance under exposure to increasing ciprofloxacin concentrations in vitro. mutations in quinolone target genes were screened by pcr. phenotypic characterization included susceptibility testing by the broth dilution method, investigation of efflux activity and growth rate, and determination of the i ... | 2017 | 28831084 |
| chemical composition and evaluation of the antibacterial and cytotoxic activities of the essential oil from the leaves of myracrodruon urundeuva. | this study evaluated the in vitro activity of essential oil extracted from the leaves of myracrodruon urundeuva. | 2017 | 28830478 |
| comparison of the microbiological quality and safety between conventional and organic vegetables sold in malaysia. | given the remarkable increase of public interest in organic food products, it is indeed critical to evaluate the microbiological risk associated with consumption of fresh organic produce. organic farming practices including the use of animal manures may increase the risk of microbiological contamination as manure can act as a vehicle for transmission of foodborne pathogens. this study aimed to determine and compare the microbiological status between organic and conventional fresh produce at the ... | 2017 | 28824567 |
| efficacy of radiant catalytic ionization to reduce bacterial populations in air and on different surfaces. | air contamination by biological agents is often observed in medical or veterinary facilities and industrial plants. bioaerosols may sediment and pose the surface contamination. microorganisms present on them may become a source of infections among humans and food contamination. this study determined the use of oxidative gases, including ozone and peroxide, generated by the radiant catalytic ionization (rci) cell for the inactivation of acinetobacter baumannii, escherichia coli, enterococcus faec ... | 2017 | 28803189 |
| short communication: detection of stx2 and elt genes in bovine milk by using a multiplex pcr system. | the aim of this study was to detect 2 important toxin genes from diarrheagenic escherichia coli (dec) in bovine milk using a new multiplex pcr. to standardize the multiplex pcr, the stx2 and elt genes were investigated for the detection of shiga toxin-producing escherichia coli (stec) and enterotoxigenic e. coli (etec), respectively. the dna template was prepared with a thermal procedure (boiling) and a commercial kit. samples consisted of uht and pasteurized milk, both skimmed, and stec and ete ... | 2017 | 28803013 |
| antibiotic resistance patterns and serotypes of salmonella spp. isolated at jeollanam-do in korea. | few long-term studies have been conducted on the serotype and antibiotic resistance patterns of salmonella speices (spp.) the aim of this study was to determine the serotypes and antibiotic resistance patterns of salmonella spp. isolated at jeollanam-do in korea from 2004 to 2014. | 2017 | 28781944 |
| outbreak of salmonella food poisoning at high altitude. | an outbreak of food poisoning occurred among soldiers of an army unit located at high altitude (3300m) in western himalayas. a total of 78 of the 103 soldiers who had consumed the incriminated meal suffered from the illness. sixteen of the 78 had symptoms severe enough to warrant admission to hospital. the symptoms consisted of diarrhoea, vomiting, fever, headache, vertigo and abdominal cramps of varying intensity. salmonella enteritidis was isolated from 6 stool samples and in one blood sample. ... | 1998 | 28775436 |
| outbreak of salmonella enteritidis phage type 1b associated with frozen pre-cooked chicken cubes, finland 2012. | in august to october 2012, a nationwide outbreak of salmonella enteritidis phase type (pt) 1b with 53 cases occurred in finland. hypothesis generating interviews pointed toward ready-to-eat chicken salad from a finnish company and at the same time estonian authorities informed of a s. enteritidis pt 1b outbreak linked to chicken wrap prepared at an estonian restaurant. we found that chicken salad was associated with the infection (odds ratio (or) 16·1, 95% confidence interval (ci) 1·7-148·7 for ... | 2017 | 28770691 |
| the novel type 1 fimbriae fimh receptor calreticulin plays a role in salmonella host specificity. | it was suggested that minor differences in the structure of fimh are most likely associated with differences in its adhesion specificities and may determine the tropism of various salmonella serovars to different species and tissues. we have recently shown that fimh adhesins from host-adapted serovars, e.g., salmonella choleraesuis (sch), bind to other glycoprotein receptors compared to fimh from host-unrestricted salmonella enteritidis (se). here we identify porcine calreticulin expressed by sw ... | 2017 | 28770174 |
| phenolic acids and flavonoids of peanut by-products: antioxidant capacity and antimicrobial effects. | peanut skin (ps) and meal from dry-blanched peanuts (mdbp) were evaluated as sources of phenolic compounds. ps rendered the highest total phenolic content, antioxidant capacity towards abts radical cation, dpph and hydroxyl radicals as well as reducing power. phenolic acids were present in ps and mdbp whereas proanthocyanidins and monomeric flavonoids were found only in ps as identified by hplc-dad-esi-ms(n). procyanidin-rich extracts prevented oxidation in non-irradiated and gamma-irradiated fi ... | 2017 | 28764032 |
| synthesis and in vitro evaluation of peracetyl and deacetyl glycosides of eugenol, isoeugenol and dihydroeugenol acting against food-contaminating bacteria. | essential oils, as well as their separate components, have shown promise as alternatives to synthetic preservatives. therefore, it would be interesting to optimize the effect of these compounds and to evaluate their applicability as additives in food. to this end, six peracetyl and deacetyl glycosides were synthesized from eugenol, isoeugenol and dihydroeugenol. all of the glycosides were characterized by ir and nmr. the synthesized compounds and their aglycones were evaluated to determine their ... | 2017 | 28763946 |
| ground water as the source of an outbreak of salmonella enteritidis. | in september 2014, an outbreak of gastroenteritis was reported to the public health institute of šibenik and knin county in croatia. the outbreak occurred in the county center of šibenik, a town with 50,000 inhabitants, and it lasted for 12days. an epidemiological investigation suggested a nearby water spring as the source of the outbreak. due to the temporary closure of the public water supply system, the inhabitants started to use untreated water from a nearby spring. microbiological analysis ... | 2017 | 28756827 |
| multiplex pcr coupled with propidium monoazide for the detection of viable cronobacter sakazakii, bacillus cereus, and salmonella spp. in milk and milk products. | cronobacter sakazakii, bacillus cereus, and salmonella spp. are common food-borne pathogens. the aim of this study was to develop a sensitive, specific, and rapid method for the simultaneous detection of these 3 pathogens in milk and milk products. three specific primers were designed based on ompa, inva, and cesb of c. sakazakii, salmonella spp. and b. cereus, respectively, for use in a multiplex pcr (mpcr). to eliminate false-positive results, cells were pretreated with propidium monoazide (pm ... | 2017 | 28755939 |
| thoracic aortitis due to salmonella enteritidis. | 2017 | 28754550 | |
| characterization of integrons and resistance genes in salmonella isolates from farm animals in shandong province, china. | a total of 154 non-duplicate salmonella isolates were recovered from 1,105 rectal swabs collected from three large-scale chicken farms (78/325, 24.0%), three large-scale duck farms (56/600, 9.3%) and three large-scale pig farms (20/180, 11.1%) between april and july 2016. seven serotypes were identified among the 154 isolates, with the most common serotype in chickens and ducks being salmonella enteritidis and in pigs salmonella typhimurium. antimicrobial susceptibility testing revealed that hig ... | 2017 | 28747906 |
| production of recombinant flagellin to develop elisa-based detection of salmonella enteritidis. | food-borne diseases, caused by the pathogenic bacteria, are highly prevalent in the world. salmonella is one of the most important bacterial genera responsible for this. salmonella enteritidis (se) is one of the non-typhoid salmonellae that can be transmitted to human from poultry products, water, and contaminated food. in recent years, new and rapid detection methods such as enzyme-linked immunosorbent assay (elisa) and polymerase chain reaction (pcr) have been developed. in this study, recombi ... | 2017 | 28739413 |
| outbreak of salmonella enteritidis pt14b gastroenteritis at a restaurant in england: the use of molecular typing to achieve a successful prosecution. | to describe an outbreak of salmonella enteritidis phage type (pt) 14b in people who had eaten at a restaurant, and the investigation and subsequent prosecution of the food business operator (fbo). | 2017 | 28732304 |
| protease hydrolysates of filefish (thamnaconus modestus) byproducts effectively inhibit foodborne pathogens. | in this study, novel antimicrobial peptides had been derived by enzymatic hydrolysis of filefish (thamnaconus modestus) byproduct (hfbp). different proteases, (papain [p], trypsin [t], neutrase [n], pepsin [pe], and the mixture i [pn] and mixture ii [pt]) and different hydrolysis time (60, 120, 180, and 240 min), have been used to generate peptides with different lengths and amino acid sequences. the antimicrobial properties of hfbps were tested, against gram-positive and gram-negative strains, ... | 2017 | 28731389 |
| selection of potential probiotic lactobacillus with inhibitory activity against salmonella and fecal coliform bacteria. | three hundred and sixty presumptive lactic acid bacteria (lab) isolated from pregnant sows, newborn, suckling, and weaned piglets were preliminarily screened for anti-salmonella activity. fifty-eight isolates consisting of lactobacillus reuteri (n = 32), lactobacillus salivarius (n = 10), lactobacillus mucosae (n = 8), lactobacillus johnsonii (n = 5), and lactobacillus crispatus (n = 3) were selected and further characterized for probiotic properties including production of antimicrobial substan ... | 2017 | 28712023 |
| draft genome sequences of 256 salmonella enterica subsp. enterica serovar enteritidis strains isolated from humans, food, chickens, and farm environments in brazil. | salmonella enterica subsp. enterica serovar enteritidis emerged in the late 1980s as the most isolated salmonella serovar worldwide. here, we report the draft genomes of 256 s enteritidis strains isolated from humans, food, chickens, and farm environments in brazil. these draft genomes will help enhance our understanding of this serovar in brazil. | 2017 | 28705959 |
| phage therapy: assessment of the efficacy of a bacteriophage isolated in the treatment of salmonellosis induced by salmonella enteritidis in mice. | this work aims to isolate and perform comparative studies of a phages active against a salmonella enteritidis strain from iran. also, suitable phage candidates for therapy of mice will be selected. | 2017 | 28702137 |
| development of a novel, rapid multiplex polymerase chain reaction assay for the detection and differentiation of salmonella enterica serovars enteritidis and typhimurium using ultra-fast convection polymerase chain reaction. | salmonella enterica serovars enteritidis and typhimurium are the most common causative agents of human nontyphoidal salmonellosis. the rapid detection and timely treatment of salmonellosis are important to increase the curative ratio and prevent spreading of the disease. in this study, we developed a rapid multiplex convection polymerase chain reaction (pcr) method to detect salmonella spp. and differentiate salmonella enteritidis and salmonella typhimurium. we used the inva gene for salmonella ... | 2017 | 28696782 |
| population-based incidence, seasonality and serotype distribution of invasive salmonellosis among children in nanoro, rural burkina faso. | bloodstream infections (bsi) caused by salmonella typhi and invasive non-typhoidal salmonella (ints) frequently affect children living in rural sub-saharan africa but data about incidence and serotype distribution are rare. | 2017 | 28692655 |
| chronic salmonella osteomyelitis in a diabetic patient. | salmonella osteomyelitis in patients without hemoglobulinopathy is quite uncommon. osteal involvement is seen in only 0.8% of all salmonella infection cases. we describe the case of a 67-year-old diabetic woman who developed salmonella osteomyelitis and subsequently underwent a surgical excision of a tibial lesion followed by two months of intravenous (iv) antibiotic therapy. the patient responded very well to the treatment. this case is exemplary for the successful treatment of chronic salmonel ... | 2017 | 28680773 |
| super-cationic carbon quantum dots synthesized from spermidine as an eye drop formulation for topical treatment of bacterial keratitis. | we have developed a one-step method to synthesize carbon quantum dots (cqdpas) from biogenic polyamines (pas) as an antibacterial agent for topical treatment of bacterial keratitis (bk). cqds synthesized by direct pyrolysis of spermidine (spd) powder through a simple dry heating treatment exhibit a solubility and yield much higher than those from putrescine and spermine. we demonstrate that cqds obtained from spds (cqdspds) possess effective antibacterial activities against non-multidrug-resista ... | 2017 | 28677399 |
| differences in expression of genes in the myd88 and trif signalling pathways and methylation of tlr4 and trif in tibetan chickens and daheng s03 chickens infected with salmonella enterica serovar enteritidis. | salmonella enterica serovar (s. enteritidis) is a pathogenic bacterium that can cause symptoms of food poisoning, leading to death of poultry, resulting in serious economic losses. the myd88 and trif signalling pathways play important roles in activating innate and adaptive immunity in chickens infected with s. enteritidis. the objective of the present study was to characterize in vivo mrna expressions, protein levels and methylation levels of genes in the above two pathways in both tibetan chic ... | 2017 | 28669384 |
| complete genome sequences of two salmonella enterica subsp. enterica serovar enteritidis strains isolated from egg products in the united states. | egg-associated salmonellosis is an important public health problem in many countries. here, we report the genome sequences, including plasmids, of two strains of salmonella enterica subsp. enterica serovar enteritidis isolated from egg products in 2012 and 2013 in the united states. this will provide more information and insight into the research about egg-associated salmonellosis. | 2017 | 28663302 |
| contribution of flagella and motility to gut colonisation and pathogenicity of salmonella enteritidis in the chicken. | salmonella enteritidis causes fowl paratyphoid in poultry and is frequently associated to outbreaks of food-borne diseases in humans. the role of flagella and flagella-mediated motility into host-pathogen interplay is not fully understood and requires further investigation. in this study, one-day-old chickens were challenged orally with a wild-type strain salmonella enteritidis, a non-motile but fully flagellated (se δmotb) or non-flagellated (se δflic) strain to evaluate their ability to coloni ... | 2017 | 28648636 |
| immunogenicity and protective efficacy of a salmonella enteritidis sptp mutant as a live attenuated vaccine candidate. | salmonella enterica serovar enteritidis (s. enteritidis) is a highly adaptive pathogen in both humans and animals. as a salmonella type iii secretion system (t3ss) effector, salmonella protein tyrosine phosphatase (sptp) is critical for virulence in this genus. to investigate the feasibility of using c50336δsptp as a live attenuated oral vaccine in mice, we generated the sptp gene deletion mutant c50336δsptp in s. enteritidis strain c50336 by λ-red mediated recombination and evaluated the protec ... | 2017 | 28646853 |
| dna aptamer-based colorimetric detection platform for salmonella enteritidis. | food safety is a major issue to protect public health and a key challenge is to find detection methods for identification of hazards in food. food borne infections affects millions of people each year and among pathogens, salmonella enteritidis is most widely found bacteria causing food borne diseases. therefore, simple, rapid, and specific detection methods are needed for food safety. in this study, we demonstrated the selection of dna aptamers with high affinity and specificity against s. ente ... | 2017 | 28646719 |
| differential protein expression in chicken macrophages and heterophils in vivo following infection with salmonella enteritidis. | in this study we compared the proteomes of macrophages and heterophils isolated from the spleen 4 days after intravenous infection of chickens with salmonella enteritidis. heterophils were characterized by expression of mmp9, mrp126, lect2, cathl1, cathl2, cathl3, lyg2, lyz and rsfr. macrophages specifically expressed receptor proteins, e.g. mrc1l, lrp1, lgals1, lrpap1 and a dmbt1l. following infection, heterophils decreased alb and fn1, and released mmp9 to enable their translocation to the sit ... | 2017 | 28623956 |
| different roles of cd4, cd8 and γδ t-lymphocytes in naive and vaccinated chickens during salmonella enteritidis infection. | lymphocytes represent the key antigen-specific leukocyte subpopulation. despite their importance in mounting an immune response, an unbiased description of proteins expressed by chicken lymphocytes has not been presented. in this study, we therefore intravenously infected chickens with salmonella enteritidis, sorted cd4, cd8 and γδ t-lymphocytes from the spleen by flow cytometry and determined the proteome of each population by lc-ms/ms. cd4 t-lymphocyte characteristic proteins included ubiquiti ... | 2017 | 28621911 |
| antibacterial and detoxifying activity of nz17074 analogues with multi-layers of selective antimicrobial actions against escherichia coli and salmonella enteritidis. | nz17074 (n1), an arenicin-3 derivative isolated from the lugworm, has potent antibacterial activity and is cytotoxic. to reduce its cytotoxicity, seven n1 analogues with different structures were designed by changing their disulfide bonds, hydrophobicity, or charge. the "rocket" analogue-n2 and the "kite" analogue-n6 have potent activity and showed lower cytotoxicity in raw264.7 cells than n1. the nmr spectra revealed that n1, n2, and n6 adopt β-sheet structures stabilized by one or two disulfid ... | 2017 | 28611436 |
| multi-country outbreak of salmonella enteritidis infection linked to the international ice hockey tournament. | in april 2015, finnish public health authorities alerted european union member states of a possible multi-country salmonella enteritidis outbreak linked to an international youth ice-hockey tournament in latvia. the european centre for disease prevention and control (ecdc), finnish and latvian authorities initiated an outbreak investigation to identify the source. the investigation included a description of the outbreak, retrospective cohort study, microbiological investigation and trace-back. w ... | 2017 | 28610640 |
| multilevel mycotic aneurysms due to salmonella infection: case report and review of the literature. | infected or mycotic aneurysms (mas) of the aorta and adjacent arteries are rare and difficult to treat. we report a unique case of a salmonella serotype enteritidis-induced rapidly expanding aortic and iliac pseudoaneurysm during preoperative workup. based on the presented case, we postulate that the agressive nature of salmonella enteritidis mas should not be underestimated. if postponed intervention is chosen and the patient is managed conservatively with antibiotic therapy to create a window ... | 2017 | 28602900 |
| sensitive detection of staphylococcus aureus with vancomycin-conjugated magnetic beads as enrichment carriers combined with flow cytometry. | a novel sandwich strategy was designed to detect staphylococcus aureus. the strategy is based on an antibacterial agent that captures bacterial cells and a fluorescein-labeled antibody that acts as the signal-output probe. vancomycin (van), which exerts a strong antibacterial effect on gram-positive bacteria, was utilized as a molecular recognition agent to detect pathogenic bacteria. to effectively concentrate s. aureus, we used bovine serum albumin (bsa) as the amplification carrier to modify ... | 2017 | 28590745 |
| next generation sequencing-based multigene panel for high throughput detection of food-borne pathogens. | contamination of food by chemicals or pathogenic bacteria may cause particular illnesses that are linked to food consumption, commonly referred to as foodborne diseases. bacteria are present in/on various foods products, such as fruits, vegetables and ready-to-eat products. bacteria that cause foodborne diseases are known as foodborne pathogens (fbps). accurate detection methods that are able to reveal the presence of fbps in food matrices are in constant demand, in order to ensure safe foods wi ... | 2017 | 28578266 |
| sugar sulfates are not hydrolyzed by the acid-inducible sulfatase asla from salmonella enterica enteritidis nal(r) and kentucky 3795 at ph 5.5. | the open reading frames sen0085 and seka_a4361, from salmonella enterica serovar enteritidis nal(r) and serovar kentucky 3795, respectively, corresponding to the acid-inducible sulfatase gene asla from salmonella enterica serovar typhimurium, were previously suggested by microarray analysis to be differentially expressed under acid conditions. however, growth and enzyme activity tests in the present study demonstrated that both wild-type strains exhibited sulfatase activity with 4-nitrophenyl su ... | 2017 | 28558253 |
| global gene-expression analysis of the response of salmonella enteritidis to egg white exposure reveals multiple egg white-imposed stress responses. | chicken egg white protects the embryo from bacterial invaders by presenting an assortment of antagonistic activities that combine together to both kill and inhibit growth. the key features of the egg white anti-bacterial system are iron restriction, high ph, antibacterial peptides and proteins, and viscosity. salmonella enterica serovar enteritidis is the major pathogen responsible for egg-borne infection in humans, which is partly explained by its exceptional capacity for survival under the har ... | 2017 | 28553268 |
| influence of different wild-garlic (allium ursinum) extracts on the gastrointestinal system: spasmolytic, antimicrobial and antioxidant properties. | as there are no previous studies of the european wild-garlic (allium ursinum) effects on the gastrointestinal system, despite its traditional applications in gastrointestinal disorders' treatment and regular use in the human diet, we have quantified and compared spasmolytic, antimicrobial and antioxidant activities of its different leaf extracts. | 2017 | 28543032 |
| outer membrane vesicles derived from salmonella enteritidis protect against the virulent wild-type strain infection in a mouse model. | foodborne contamination and salmonellosis caused by salmonella enteritidis (s. enteritidis) are a significant threat to human health and poultry enterprises. outer membrane vesicles (omvs), which are naturally secreted by gram-negative bacteria, could be a good vaccine option because they have many biologically active substances, including lipopolysaccharides (lps), outer membrane proteins (omps), and phospholipids, as well as periplasmic components. in the present study, we purified omvs derive ... | 2017 | 28539041 |
| first detection of a fosfomycin resistance gene, fosa7, in salmonella enterica serovar heidelberg isolated from broiler chickens. | we previously described salmonella enterica serovar heidelberg isolates harboring a chromosomal gene cluster similar to the glutathione s-transferase gene, a putative fosa gene conferring resistance to fosfomycin. here, we show that this new gene, named fosa7, confers resistance to fosfomycin. the introduction of fosa7 into the fosfomycin-susceptible salmonella enterica serovar enteritidis resulted in a substantial increase in the fosfomycin mic. this finding increases the awareness of antibioti ... | 2017 | 28533247 |
| genetic basis for loss of immuno-reactive o-chain in salmonella enterica serovar enteritidis veterinary isolates. | fifty-two rough salmonella enterica serovar enteritidis (s. enteritidis) isolates from broilers and the environment were characterized for their serological and genotypic properties. under routine diagnostic serotyping methods such isolates lack the immuno-reactivity of the o-chain of the lipopolysaccharide (lps), and are referred to as non-typeable. using a modified slide agglutination method, the isolates could be differentiated into three different serological variants. twenty-six isolates (5 ... | 2017 | 28532797 |
| magnetic nanoparticle-enhanced pcr for the detection and identification of staphylococcus aureus and salmonella enteritidis. | this paper evaluated magnetic nanoparticle-enhanced pcr for the detection and identification of staphylococcus aureus and salmonella enteritidis. two different types of magnetic nanoparticles designated mpio (iron concentration 2.5 mg/ml, size 1 μm) and np (iron concentration 8.7 mg/ml, size 60 nm), both conjugated with s. aureus or s. enteritidis antibodies were evaluated as an enrichment procedure for pcr-detection of the pathogens in trypticase soy broth, milk, blood and meat broth. bacterial ... | 2017 | 28513808 |
| phenotypic and genotypic characterization of salmonella spp. isolated from foods and clinical samples in brazil. | increasing antimicrobial resistance in salmonella species has been a serious problem for public health worldwide. this study examines salmonella spp. recovered from foods and clinical samples on serotype, antimicrobial resistance and pfge genotypes. it identified 91 salmonellae, belonging to 31 different serotypes, from 36 isolates from food and 55 clinical samples. salmonella infantis (16.5%) and salmonella enteritidis (13.7%) are the most common among food isolates, whereas salmonella enteriti ... | 2017 | 28513778 |
| phenolic composition, anti-inflammatory, antioxidant, and antimicrobial activities of alchemilla mollis (buser) rothm. | the current study was designed to evaluate the antioxidant, anti-inflammatory and antimicrobial activities of alchemilla mollis (buser) rothm. (rosaceae) aerial parts extracts. chemical composition was analyzed by spectrophotometric and chromatographic (hplc) techniques. the antioxidant properties assessed included dpph(·) and abts(·+) radical scavenging, β-carotene-linoleic acid co-oxidation assay. antimicrobial activity was evaluated with disc diffusion and micro dilution method. in order to e ... | 2017 | 28502116 |
| real-time pcr method for detection of salmonella spp. in environmental samples. | the methods currently used for detecting salmonella in environmental samples require 2 days to produce results and have limited sensitivity. here, we describe the development and validation of a real-time pcr salmonella screening method that produces results in 18 to 24 h. primers and probes specific to the gene inva, group d, and salmonella enterica serovar enteritidis organisms were designed and evaluated for inclusivity and exclusivity using a panel of 329 salmonella isolates representing 126 ... | 2017 | 28500041 |
| effect of infectious bursal disease (ibd) vaccine on salmonella enteritidis infected chickens. | chickens infected with both infectious bursal disease virus (ibdv) and salmonella had higher mortality. in this work, we investigated the effect of ibdv vaccine (modified live-virus bursal disease vaccine, nobilis strain 228e®) on experimentally infected chickens with salmonella enteritidis (se). | 2017 | 28495316 |
| effects of sorbic acid-chitosan microcapsules as antimicrobial agent on the properties of ethylene vinyl alcohol copolymer film for food packaging. | this paper discusses the possibility of using sorbic acid-chitosan microcapsules (s-mps) as an antibacterial component of active ethylene vinyl alcohol copolymer (evoh) film. s-mps with a diameter of approximately 1 to 4 μm showed a sorbic acid loading capacity of 46.5%. addition of s-mps (3%, w/w) increased the tensile strength, haze, oxygen, and water vapor barrier properties, as well as reduced the elongations at break and transmittance of s-mps-evoh (s-mp-evoh) film. antibacterial tests show ... | 2017 | 28488775 |
| assessment of consumer exposure to salmonella spp., campylobacter spp., and shiga toxin-producing escherichia coli in meat products at retail in the city of sao paulo, brazil. | meat products may be vehicles of bacterial pathogens to humans, and salmonella spp., campylobacter spp., and shiga toxin-producing escherichia coli (stec) are the most relevant. the aim of this study was to generate data on prevalence of these three pathogens in 552 samples of meat products (hot dogs, pork sausages, raw ground beef, and raw chicken legs) sold at retail in the city of sao paulo, brazil. salmonella spp. was detected in 5.8% (32/552) of samples, comprising pork sausages 62.5% (20/3 ... | 2017 | 28475359 |
| urine disinfection and in situ pathogen killing using a microbial fuel cell cascade system. | microbial fuel cells (mfcs) are emerging as an effective means of treating different types of waste including urine and wastewater. however, the fate of pathogens in an mfc-based system remains unknown, and in this study we investigated the effect of introducing the enteric pathogen salmonella enterica serovar enteritidis in an mfc cascade system. the mfcs continuously fed with urine showed high disinfecting potential. as part of two independent trials, during which the bioluminescent s. enterit ... | 2017 | 28463976 |
| isolation and characterization of salmonella enteritidis and salmonella typhimurium from chicken meat in egypt. | salmonella enterica serovars enteritidis and typhimurium represent the major serovars associated with human salmonellosis. contamination of meat products with these serovars is considered the main source of infection. | 2017 | 28459222 |
| subtyping of canadian isolates of salmonella enteritidis using multiple locus variable number tandem repeat analysis (mlva) alone and in combination with pulsed-field gel electrophoresis (pfge) and phage typing. | salmonella enterica subspecies enterica serovar enteritidis (se) is one of the most common causes of human salmonellosis and in canada currently accounts for over 40% of human cases. reliable subtyping of isolates is required for outbreak detection and source attribution. however, pulsed-field gel electrophoresis (pfge), the current standard subtyping method for salmonella spp., is compromised by the high genetic homogeneity of se. multiple locus variable number tandem repeat analysis (mlva) was ... | 2017 | 28456552 |
| effect of dietary bacteriophage supplementation on internal organs, fecal excretion, and ileal immune response in laying hens challenged by salmonella enteritidis. | with the current researches on replacing antibiotics with different dietary interventions, bacteriophages (bp) are potential antimicrobial intervention because of their ability to affect specific bacteria. a study was conducted to evaluate the role of bp against salmonella enterica serovar enteritidis (se) on se internal organs colonization and ileum immune response in laying hens. hens were challenged both orally and intracloacally with 108 cfu/ml cells of nalidixic acid resistant salmonella en ... | 2017 | 28453774 |
| immune response against salmonella enteritidis is unsettled by hiv infection. | the human immunodeficiency virus (hiv) is responsible for more than 2 million new infections per year and opportunistic infections such as salmonella spp. gastroenteritis is an important cause of mortality and morbidity in developing countries. monocytes and macrophages play a critical role in the innate immune response against bacterial infections. however during hiv infection the virus can infect these cells and although they are more resistant to the cytopathic effects, they represent an impo ... | 2017 | 28447329 |
| salmonella enterica serovar enteritidis liver abscess after blunt abdominal trauma. | salmonella enterica serovar enteritidis is among the most reported serotypes of salmonella species worldwide, but rarely reported as the causative agent of a liver abscess. | 2017 | 28443586 |
| frequency and duration of fecal shedding of salmonella enteritidis by experimentally infected laying hens housed in enriched colony cages at different stocking densities. | human infections with salmonella enteritidis are often attributed to the consumption of contaminated eggs, so the prevalence of this pathogen in egg-laying poultry is an important public health risk factor. numerous and complex environmental influences on salmonella persistence and transmission are exerted by management practices and housing facilities used in commercial egg production. in recent years, the animal welfare implications of poultry housing systems have guided the development of alt ... | 2017 | 28443289 |
| the effect of lactobacillus acidophilus ptcc 1643 on cultured intestinal epithelial cells infected with salmonella enterica serovar enteritidis. | gastrointestinal disorders caused by salmonella enterica serovar enteritidis (sese) are a significant health problem around the globe. probiotic bacteria have been shown to have positive effects on the immune responses. lactobacillus acidophilus was examined for its capability to influence the innate immune response of ht29 intestinal epithelial cells towards sese. the purpose of this work was to assess the effect of l. acidophilus ptcc 1643 on cultured intestinal epithelial cells infected with ... | 2017 | 28443224 |
| feed supplementation with red seaweeds, chondrus crispus and sarcodiotheca gaudichaudii, reduce salmonella enteritidis in laying hens. | salmonella enteritidis is vertically transmitted to eggs from laying hens through infected ovaries and oviducts. s. enteritidis can also penetrate the eggshell from contaminated feces. reducing s. enteritidis in laying hens is vital to provide safer eggs and minimize the spread of salmonellosis to humans. antibiotics have been widely used to control bacterial diseases in broilers and laying hens. however, there is a major concern that the use of antibiotics leads to the development of antibiotic ... | 2017 | 28443073 |
| quinolone resistance determinants of clinical salmonella enteritidis in thailand. | salmonella enteritidis has emerged as a global concern regarding quinolone resistance and invasive potential. although quinolone-resistant s. enteritidis has been observed with high frequency in thailand, information on the mechanism of resistance acquisition is limited. to elucidate the mechanism, a total of 158 clinical isolates of nalidixic acid (nal)-resistant s. enteritidis were collected throughout thailand, and the quinolone resistance determinants were investigated in the context of resi ... | 2017 | 28437229 |
| safety, protective immunity, and diva capability of a rough mutant salmonella pullorum vaccine candidate in broilers. | salmonella enterica subsp. enterica serovar gallinarum biovar pullorum (salmonella pullorum) is highly adapted to chickens causing an acute systemic disease that results in high mortality. vaccination represents one approach for promoting animal health, food safety and reducing environmental persistence in salmonella control. an important consideration is that salmonella vaccination in poultry should not interfere with the salmonellosis monitoring program. this is the basis of the diva (differen ... | 2017 | 28424675 |
| experimental induction of chicken amyloid a amyloidosis in white layer chickens by inoculation with inactivated vaccines. | we investigated the amyloidogenic potential of inactivated vaccines and the localized production of serum amyloid a (saa) at the injection site in white layer chickens. hens in the treated group were injected intramuscularly three times with high doses of inactivated oil-emulsion salmonella enteritidis vaccine and multivalent viral and bacterial inactivated oil-emulsion vaccines at two-week intervals. chickens in the control group did not receive any inoculum. in the treated group, emaciation an ... | 2017 | 28421832 |
| heat stress decreases expression of the cytokines, avian β-defensins 4 and 6 and toll-like receptor 2 in broiler chickens infected with salmonella enteritidis. | a high ambient temperature is a highly relevant stressor in poultry production. heat stress (hs) has been reported to reduce animal welfare, performance indices and increase salmonella susceptibility. salmonella spp. are major zoonotic pathogen that cause over 1 billion of human infections worldwide annually. therefore, the current study was designed to analyze the effect of heat stress on salmonella infection in chickens through modulation of the immune responses. salmonella enteritidis was ino ... | 2017 | 28413046 |
| dynamics of mono- and dual-species biofilm formation and interactions between staphylococcus aureus and gram-negative bacteria. | microorganisms are not commonly found in the planktonic state but predominantly form dual- and multispecies biofilms in almost all natural environments. bacteria in multispecies biofilms cooperate, compete or have neutral interactions according to the involved species. here, the development of mono- and dual-species biofilms formed by staphylococcus aureus and other foodborne pathogens such as salmonella enterica subsp. enterica serovar enteritidis, potentially pathogenic raoultella planticola a ... | 2017 | 28401747 |
| cocaine- and amphetamine-regulated transcript peptide (cart) in the nerve fibers of the porcine gallbladder wall under physiological conditions and after salmonella enteritidis lipopolysaccharides administration. | cocaine- and amphetamine-regulated transcript (cart) peptide is the substance distributed in various parts of the nervous system. the majority of previous studies described this substance in the brain, where it takes part in regulatory processes connected with the food intake. cart is also present in the peripheral nervous system, especially in the enteric neurons and nerves located in the wall of the stomach and intestine, but many aspects of distribution and functions of this peptide in the di ... | 2017 | 28394007 |
| changes in thermo-tolerance and survival under simulated gastrointestinal conditions of salmonella enteritidis pt4 and salmonella typhimurium pt4 in chicken breast meat after exposure to sequential stresses. | this study assessed changes in thermo-tolerance and capability to survive to simulated gastrointestinal conditions of salmonella enteritidis pt4 and salmonella typhimurium pt4 inoculated in chicken breast meat following exposure to stresses (cold, acid and osmotic) commonly imposed during food processing. the effects of the stress imposed by exposure to oregano (origanum vulgare l.) essential oil (oveo) on thermo-tolerance were also assessed. after exposure to cold stress (5°c for 5h) in chicken ... | 2017 | 28380343 |
| salmonella spp. contamination in commercial layer hen farms using different types of samples and detection methods. | the performance of detection methods (culture methods and polymerase chain reaction assay) and plating media used in the same type of samples were determined as well as the specificity of pcr primers to detected salmonella spp. contamination in layer hen farms. also, the association of farm characteristics with salmonella presence was evaluated. environmental samples (feces, feed, drinking water, air, boot-swabs) and eggs were taken from 40 layer hen houses. salmonella spp. was most detected in ... | 2017 | 28379493 |
| distribution and antimicrobial susceptibility of foodborne salmonella serovars in eight provinces in china from 2007 to 2012 (except 2009). | one thousand four hundred ninety-one salmonella isolates recovered from retail foods including chicken, beef, fish, pork, dumplings, and cold dishes in china in 2007, 2008, 2010, 2011, and 2012 were analyzed for distribution of serotype and antimicrobial susceptibility. a total of 129 salmonella serotypes were detected among 1491 isolates. salmonella enteritidis (21.5%), typhimurium (11.0%), indiana (10.8%), thompson (5.4%), derby (5.1%), agona (3.8%), and shubra (3.0%) were the seven most impor ... | 2017 | 28375673 |
| chemical content, antibacterial and antioxidant properties of essential oil extract from tunisian origanum majorana l. cultivated under saline condition. | essential oils of marjoram were extracted from plants, growing under non-saline and saline condition (75mm nacl). their antioxidant and antibaterial activity against six bacteria (enterococcus faecalis, escherichia coli, salmonella enteritidis, listeria ivanovii, listeria inocula, and listeria monocytogenes) were assessed. result showed that, (i) independently of salt treatment, marjoram essential oils inhibited the growth of most of the bacteria but in degrees. the least susceptible one was ent ... | 2016 | 28375110 |
| interventions to reduce the bacterial load in recycled broiler litter. | two experiments were undertaken to evaluate the bacterial load in recycled litter between broiler flocks following addition of quicklime (t1), windrowing (t2), shallow fermentation (t3), and control (no intervention, t4). the first experiment was developed in field conditions in which the broiler houses were accompanied by 6 consecutive flocks and the effect of the treatments was assessed on enterobacteria and aerobic mesophiles. the second experiment was conducted in an experimental broiler hou ... | 2017 | 28371809 |
| molecular characterisation of salmonella strains isolated from outbreaks and sporadic cases of diarrhoea occurred in paraná state, south of brazil. | a total of 46 strains of salmonella isolated from patients with sporadic diarrhoea or involved in foodborne outbreaks were analysed by pcr for genus identification and serotyping. subtyping was performed using pulsed-field gel electrophoresis (pfge) and multiple amplification of phage locus typing (maplt) for seven variable loci. bacteria were identified as belonging to serotype enteritidis (33 strains; 71·7%) or typhimurium (13 strains; 28·3%). a high similarity coefficient (94·6%) was observed ... | 2017 | 28367777 |
| an efficient multiplex pcr-based assay as a novel tool for accurate inter-serovar discrimination of salmonella enteritidis, s. pullorum/gallinarum and s. dublin. | salmonella enterica serovars enteritidis, pullorum/gallinarum, and dublin are infectious pathogens causing serious problems for pig, chicken, and cattle production, respectively. traditional serotyping for salmonella is costly and labor-intensive. here, we established a rapid multiplex pcr method to simultaneously identify three prevalent salmonella serovars enteritidis, pullorum/gallinarum, and dublin individually for the first time. the multiplex pcr-based assay focuses on three genes tcps, ly ... | 2017 | 28360901 |
| transfer of campylobacter and salmonella from poultry meat onto poultry preparation surfaces. | thermophilic campylobacter and salmonella enterica are major causes of gastrointestinal foodborne infection. survival of these pathogens on food-associated surfaces is a risk contributing to their spread through the food system. this study examined the transfer of two strains each of c. jejuni , c. coli , salmonella enteritidis, and salmonella typhimurium from chicken meat to a knife or scissors used on either a plastic or wooden cutting board. each strain of campylobacter and salmonella at ∼10( ... | 2017 | 28358259 |
| erratum: distinct salmonella enteritidis lineages associated with enterocolitis in high-income settings and invasive disease in low-income settings. | 2017 | 28358127 | |
| spasmolytic and antibacterial activity of two citrus sinensis osbeck varieties cultivated in mexico. | antibacterial activity on atcc strains of escherichia coli, salmonella enterica, salmonella enteritidis, and salmonella choleraesuis and spasmolytic effect on contraction on rat ileum trips were determinate. eight organic extracts (hexanic and methanolic) of albedo (mesocarp) and flavedo (pericarp) of two varieties (valencian and national) of citrus sinensis (l.) osbeck of yucatán, méxico, were studied. additionally, chromatographic fingerprints were obtained and correlated with their pharmacolo ... | 2017 | 28356916 |
| phylogenetic structure of european salmonella enteritidis outbreak correlates with national and international egg distribution network. | outbreaks of salmonella enteritidis have long been associated with contaminated poultry and eggs. in the summer of 2014 a large multi-national outbreak of salmonella enteritidis phage type 14b occurred with over 350 cases reported in the united kingdom, germany, austria, france and luxembourg. egg supply network investigation and microbiological sampling identified the source to be a bavarian egg producer. as part of the international investigation into the outbreak, over 400 isolates were seque ... | 2016 | 28348865 |
| pleural empyema due to salmonella enterica serovar enteritidis in an immunocompetent elderly patient: a case report. | pleural empyema as a focal infection due to salmonella enterica serovar enteritidis is rare and most commonly described among immunosuppressed patients or patients who suffer from sickle cell anaemia and lung malignancies. | 2016 | 28348773 |
| allelic variation in tlr4 is linked to resistance to salmonella enteritidis infection in chickens. | salmonella enteritidis (se) is a foodborne pathogen that negatively affects both animal and human health. polymorphisms of the tlr4 gene may affect recognition by toll-like receptor 4 (tlr4) of bacterial lipopolysaccharide (lps), leading to differences in host resistance to pathogenic infections. the present study has investigated polymorphic loci of chicken tlr4 (chtlr4) in ten chicken breeds, electrostatic potentials of mutant structures of tlr4, and a linkage analysis between allelic variatio ... | 2017 | 28339850 |
| assessing the impact of egg sweating on salmonella enteritidis penetration into shell eggs. | salmonella enteritidis (se) prevalence in eggs is a major concern to the egg industry. some research has shown that egg sweating can increase salmonella penetration into egg contents when refrigerated eggs are moved to a warmer temperature. this occurs when eggs are tempered before wash, to minimize thermal cracks. the effect of egg sweating on se penetration into shell eggs over a 6 week storage period at 4 c was assessed. a 2 × 2 factorial of se inoculation and egg sweating was utilized. treat ... | 2017 | 28339755 |
| selection for pro-inflammatory mediators produces chickens more resistant to campylobacter jejuni. | campylobacter spp. are the second leading cause of bacterial-induced foodborne illnesses with an estimated economic burden of nearly $2b usd per year. most human illness associated with campylobacteriosis is due to infection by c. jejuni and chickens are recognized as a reservoir that could lead to foodborne illness in humans resulting from handling or consuming raw or undercooked chicken. we recently developed a novel breeding strategy based on identification and selection of chickens with an i ... | 2017 | 28339707 |
| nuggets of wisdom: salmonella enteritidis outbreaks and the case for new rules on uncooked frozen processed chicken. | in 2014 and 2015, three canadian salmonella serotype enteritidis outbreak investigations implicated uncooked, frozen, processed chicken products produced at the same establishment, namely establishment a. in november 2014, a sustained increase in the number of reported domestically acquired salmonella enteritidis cases in ontario led to the first outbreak investigation, which implicated uncooked, frozen, processed chicken products produced at establishment a. in june 2015, the identification of ... | 2017 | 28338343 |
| in vitro evaluation of candidate bacillus spp. for animal feed. | the aim of this study was to select aerobic spore-formers for animal feed based on their in vitro probiotic potential, including their enzyme-producing ability and safety assessment. seven isolates out of 187 spore-forming bacteria were selected for their ability to produce cellulase (89.21-1668.32 u/ml), xylanase (1399.68-4351.10 u/ml), and phytase (2.72-28.70 u/ml). among seven isolates, five had activities towards a broad range of p-nitrophenyl esters with acyl chain lengths from c2 to c12. t ... | 2017 | 28331163 |
| cytotoxicity, bactericidal, and antioxidant activity of sodium alginate hydrosols treated with direct electric current. | the aim of the study was to investigate the effect of using direct electric current (dc) of 0, 200, and 400 ma for five minutes on the physiochemical properties, cytotoxicity, antibacterial, and antioxidant activity of sodium alginate hydrosols with different sodium chloride concentrations. the ph, oxidation-reduction potential (orp), electrical conductivity (ec), and available chlorine concentration (acc) were measured. the effect of sodium alginate hydrosols treated with dc on staphylococcus a ... | 2017 | 28327520 |
| a high-throughput screening platform of microbial natural products for the discovery of molecules with antibiofilm properties against salmonella. | in this report, we describe a high-throughput screening (hts) to identify compounds that inhibit biofilm formation or cause the disintegration of an already formed biofilm using the salmonella enteritidis 3934 strain. initially, we developed a new methodology for growing salmonella biofilms suitable for hts platforms. the biomass associated with biofilm at the solid-liquid interface was quantified by staining both with resazurin and crystal violet, to detect living cells and total biofilm mass, ... | 2017 | 28303128 |
| investigation of salmonella enteritidis outbreak associated with truffle oil - district of columbia, 2015. | on september 8, 2015, the district of columbia department of health (dcdoh) received a call from a person who reported experiencing gastrointestinal illness after eating at a district of columbia (dc) restaurant with multiple locations throughout the united states (restaurant a). later the same day, a local emergency department notified dcdoh to report four persons with gastrointestinal illness, all of whom had eaten at restaurant a during august 30-september 5. two patients had laboratory-confi ... | 2017 | 28301453 |
| immunogenicity of a bivalent adjuvanted glycoconjugate vaccine against salmonella typhimurium and salmonella enteritidis. | salmonella enterica serovars typhimurium and enteritidis are the predominant causes of invasive non-typhoidal salmonella (ints) disease. considering the co-endemicity of s. typhimurium and s. enteritidis, a bivalent vaccine formulation against both pathogens is necessary for protection against ints disease, thus investigation of glycoconjugate combination is required. in the present work, we investigated the immune responses induced by s. typhimurium and s. enteritidis monovalent and bivalent gl ... | 2017 | 28289411 |
| synthetic peptides derived from bovine lactoferricin exhibit antimicrobial activity against e. coli atcc 11775, s. maltophilia atcc 13636 and s. enteritidis atcc 13076. | linear, dimeric, tetrameric, and cyclic peptides derived from lactoferricin b-containing non-natural amino acids and the rwqwr motif were synthesized, purified, and characterized using rp-hplc, maldi-tof mass spectrometry, and circular dichroism. the antibacterial activity of peptides against escherichia coli atcc 11775, stenotrophomonas maltophilia atcc 13636, and salmonella enteritidis atcc 13076 was evaluated. the minimum inhibitory concentration (mic) and minimum bactericidal concentration ( ... | 2017 | 28287494 |
| killing of staphylococcus aureus and salmonella enteritidis and neutralization of lipopolysaccharide by 17-residue bovine lactoferricins: improved activity of trp/ala-containing molecules. | bovine lactoferricin (lfcinb) has potent antibacterial, antifungal and antiparasitic activities but is also hemolytic. our objective was to identify lfcinb17-31 derivatives with reduced hemolysis and improved antimicrobial activity via substituting cys3, arg4, gln7, met10, and gly14 with more hydrophobic residues. two peptides, lfcin4 and lfcin5, showed higher activity against staphylococcus aureus and salmonella enteritidis and lower hemolytic activity than the parent peptide lfcinb17-31. these ... | 2017 | 28287172 |
| strain-specific probiotic properties of lactic acid bacteria and their interference with human intestinal pathogens invasion. | one of the working mechanisms of probiotic bacteria is their ability to compete with pathogens. to define the probiotic properties of seven lactic acid bacteria (lab) strains, we tested them for survival in simulated gastro-intestinal conditions, antimicrobial activities, co-aggregative abilities, and interferences studies against five human intestinal pathogens (salmonella enteritidis atcc 13076, listeria monocytogenes atcc 7644, escherichia coli o157: h7 atcc 35150, cronobacter sakazakii atcc ... | 2017 | 28286570 |
| molecular detection and antimicrobial resistance profile of zoonotic salmonella enteritidis isolated from broiler chickens in kohat, pakistan. | salmonella enteritidis infection is a frequently encountered zoonotic problem, occurring with concerning regularity in recent years on a worldwide basis. the study that we undertook for the first time detected s. enteritidis and associated antimicrobial resistance pattern in broiler chickens. | 2017 | 28286058 |
| multi-laboratory validation study of multilocus variable-number tandem repeat analysis (mlva) for salmonella enterica serovar enteritidis, 2015. | multilocus variable-number tandem repeat analysis (mlva) is a rapid and reproducible typing method that is an important tool for investigation, as well as detection, of national and multinational outbreaks of a range of food-borne pathogens. salmonella enterica serovar enteritidis is the most common salmonella serovar associated with human salmonellosis in the european union/european economic area and north america. fourteen laboratories from 13 countries in europe and north america participated ... | 2017 | 28277220 |
| [toxin food production by salmonella enterítidis]. | 2005 | 28272389 | |
| an association between decreasing incidence of invasive non-typhoidal salmonellosis and increased use of antiretroviral therapy, gauteng province, south africa, 2003-2013. | hiv-infected persons are at increased risk of opportunistic infections, including invasive nontyphoidal salmonella (ints) infections; antiretroviral therapy (art) reduces this risk. we explored changing ints incidence associated with increasing art availability in south africa. | 2017 | 28264046 |
| quantitative tracking of salmonella enteritidis transmission routes using barcode-tagged isogenic strains in chickens: proof-of-concept study. | salmonella is an important foodborne bacterial pathogen, however, a fundamental understanding on salmonella transmission routes within a poultry flock remains unclear. in this study, a series of barcode-tagged strains were constructed by inserting six random nucleotides into a functionally neutral region on the chromosome of s. enteritidis as a tool for quantitative tracking of salmonella transmission in chickens. six distinct barcode-tagged strains were used for infection or contamination at ei ... | 2017 | 28261587 |
| signature-tagged mutagenesis screening revealed a novel smooth-to-rough transition determinant of salmonella enterica serovar enteritidis. | salmonella enterica serovar enteritidis (s. enteritidis) has emerged as one of the most important food-borne pathogens for humans. lipopolysaccharide (lps), as a component of the outer membrane, is responsible for the virulence and smooth-to-rough transition in s. enteritidis. in this study, we screened s. enteritidis signature-tagged transposon mutant library using monoclonal antibody against somatic o9 antigen (o9 mab) and o9 factor rabbit antiserum to identify novel genes that are involved in ... | 2017 | 28253852 |