Publications
| Title | Abstract | Year Filter | PMID(sorted descending) Filter |
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| clonal distribution of monophasic salmonella enterica subsp. enterica serotype 4,[5],12:i:- in the czech republic. | abstract salmonella 4,[5],12:i:- has become the third most common serotype in europe, including the czech republic. in this study, phenotypic and genotypic methods for a more detailed description of this serotype were used. analysis of a limited number of isolates revealed that 76% of them belonged to phage type dt193. also, rare phage types dt208 and u311 were identified. in total, 88.6% of the isolates were resistant to at least four antimicrobial agents. in this study, 24 multilocus variable- ... | 2014 | 24823892 |
| genome sequence of salmonella enterica subsp. enterica strain durban. | we report the genome sequence of salmonella enterica subsp. enterica strain durban, isolated from a patient with salmonellosis and typhoid fever. the strain is closely related to s. enterica subsp. enterica strain p125109 but differs in loss of the se20 prophage and acquisition of a prophage similar to elphis. | 2014 | 24812224 |
| intestinal mucus affinity and biological activity of an orally administered antibacterial and anti-inflammatory peptide. | antimicrobial peptides (amp) provide protection from infection by pathogenic microorganisms and restrict bacterial growth at epithelial surfaces to maintain mucosal homeostasis. in addition, they exert a significant anti-inflammatory activity. here we analysed the anatomical distribution and biological activity of an orally administered amp in the context of bacterial infection and host-microbial homeostasis. | 2015 | 24811998 |
| decay of genetic markers for fecal bacterial indicators and pathogens in sand from lake superior. | beach sands impact water quality and pathogen loads, however, the comparative decay of the fecal indicator bacteria (fib) enterococcus spp. and escherichia coli, and pathogens in freshwater sand have not been examined. in this study, freshwater sand microcosms were inoculated with sewage and pure cultures of bacterial pathogens to compare relative decay rates. the abundance of culturable enterococcus spp. and e. coli, genetic markers for enterococcus spp. (entero1), total bacteroides (allbac), a ... | 2014 | 24793108 |
| high-quality draft whole-genome sequences of 162 salmonella enterica subsp. enterica serovar enteritidis strains isolated from diverse sources in canada. | we report the high-quality draft genome sequences of 162 strains of salmonella enterica subsp. enterica serovar enteritidis representing diverse phage types and pulsed-field gel electrophoresis (pfge) profiles. the analysis of these genomes will enable the identification of markers that are useful for differentiating strains of this highly clonal serovar and will provide insights into the evolution, virulence, and epidemiology of the strains. | 2014 | 24786953 |
| complete genome sequences of 16 canadian strains of salmonella enterica subsp. enterica serovar enteritidis. | salmonella enterica subsp. enterica serovar enteritidis is an important zoonotic food-borne pathogen causing serious human illnesses frequently linked to poultry products. here, we report fully assembled genome sequences of 16 s. enteritidis strains with common pulsed-field gel electrophoresis (pfge) and phage types (8, 13, 13a, and 14b) that predominate in north america. | 2014 | 24762938 |
| genome sequences of eight salmonella enterica subsp. enterica serovars isolated from a single dairy farm. | here, we report draft genome sequences of 26 isolates of salmonella enterica subsp. enterica, representing eight serotypes, which were isolated from cows in a pennsylvania dairy herd, the farm on which they were reared, and the associated off-site heifer-raising facility over an 8-year sampling period. | 2014 | 24762931 |
| combined treatments of high-pressure with the lactoperoxidase system or lactoferrin on the inactivation of listeria monocytogenes, salmonella enteritidis and escherichia coli o157:h7 in beef carpaccio. | the effect of high hydrostatic pressure (hhp) treatments in combination with the lactoperoxidase system (lpos) or activated lactoferrin (alf) on listeria monocytogenes, salmonella enterica subsp. enterica serovar enteritidis and escherichia coli o157:h7 was investigated in cured beef carpaccio stored at 8 °c or 22 °c during 7 d. hhp (450 mpa for 5 min) reduced pathogen levels by 1-3 log units and the antimicrobial effect remained during 7 d of storage under temperature abuse conditions at 8 °c a ... | 2014 | 24750810 |
| quinolone resistance mechanisms in salmonella enterica serovars hadar, kentucky, virchow, schwarzengrund, and 4,5,12:i:-, isolated from humans in switzerland, and identification of a novel qnrd variant, qnrd2, in s. hadar. | human isolates of salmonella enterica serovars hadar, kentucky, virchow, schwarzengrund, and the monophasic variant of s. typhimurium, salmonella enterica subsp. enterica serovar 4,5,12:i:- were examined for mutations within the quinolone resistance target genes gyra, gyrb, parc, and pare and for plasmid-mediated resistance genes. differences were observed among the serovars. a novel variant of qnrd, qnrd2, was detected in an s. hadar isolate. | 2014 | 24733466 |
| comparative genomic analysis and virulence differences in closely related salmonella enterica serotype heidelberg isolates from humans, retail meats, and animals. | salmonella enterica subsp. enterica serovar heidelberg (s. heidelberg) is one of the top serovars causing human salmonellosis. recently, an antibiotic-resistant strain of this serovar was implicated in a large 2011 multistate outbreak resulting from consumption of contaminated ground turkey that involved 136 confirmed cases, with one death. in this study, we assessed the evolutionary diversity of 44 s. heidelberg isolates using whole-genome sequencing (wgs) generated by the 454 gs flx (roche) pl ... | 2014 | 24732280 |
| genome sequence of the salmonella enterica subsp. enterica serovar namur strain 05-2929, lacking the salmonella atypical fimbrial operon. | this paper announces the genome sequence and annotation of salmonella enterica subsp. enterica serovar namur strain 05-2929. s. namur is a new serovar (39:z4,z23:-) that was isolated from a patient with salmonellosis in 2005 in namur, belgium, and has been identified as lacking the salmonella atypical fimbrial (saf) operon. | 2014 | 24723724 |
| fully assembled genome sequence for salmonella enterica subsp. enterica serovar javiana cfsan001992. | 2014 | 24699966 | |
| diversity of plasmids encoding virulence and resistance functions in salmonella enterica subsp. enterica serovar typhimurium monophasic variant 4,[5],12:i:- strains circulating in europe. | plasmids encoding resistance and virulence properties in multidrug resistant (mdr) salmonella enterica (s.) serovar typhimurium monophasic variant 4,[5],12:i:- isolates recovered from pigs and humans (2006-2008) in europe were characterised. the isolates were selected based on the detection by pcr-amplification of s. typhimurium virulence plasmid pslt genes and were analysed by multi-locus sequence typing (mlst). the resistance genes present in the isolates and the association of these genes wit ... | 2014 | 24586926 |
| effects of leachate from crumb rubber and zinc in green roofs on the survival, growth, and resistance characteristics of salmonella enterica subsp. enterica serovar typhimurium. | the use of green roofs is a growing practice worldwide, particularly in densely populated areas. in an attempt to find new methods for recycling crumb rubber, incorporation of crumb rubber into artificial medium for plant growth in green roofs and similar engineered environments has become an attractive option for the recycling of waste tires. though this approach decreases waste in landfills, there are concerns about the leaching of zinc and other heavy metals, as well as nutrient and organic c ... | 2014 | 24584242 |
| draft genome sequence of salmonella enterica subsp. enterica serovar gallinarum biovar pullorum strain fcav198, a brazilian chicken pathogen. | salmonella enterica subsp. enterica serovar gallinarum biovar pullorum is a bird-restricted pathogen which causes pullorum disease. the strain fcav198 was isolated from a pool of chicken ovaries in brazil, and its genome may be helpful for studies involving molecular mechanisms related to pathogenesis and other related applications. | 2014 | 24558231 |
| multiple-locus variable-number tandem repeat analysis of salmonella enterica subsp. enterica serovar dublin. | salmonella serovar dublin causes disease in cattle and leads to considerable production losses. in humans, severe invasive disease and high mortality rates are reported. the presently available typing methods provide insufficient discrimination within salm. dublin for epidemiological investigations. in this study, we developed a multiple-locus variable-number tandem repeat analysis (mlva) scheme for high discriminatory typing of salm. dublin. | 2014 | 24517207 |
| distribution of gifsy-3 and of variants of st64b and gifsy-1 prophages amongst salmonella enterica serovar typhimurium isolates: evidence that combinations of prophages promote clonality. | salmonella isolates harbour a range of resident prophages which can influence their virulence and ability to compete and survive in their environment. phage gene profiling of a range of phage types of salmonella enterica subsp. enterica serovar typhimurium (s. typhimurium) indicates a significant level of correlation of phage gene profile with phage type as well as correlation with genotypes determined by a combination of multi-locus variable-number tandem repeat (vntr) typing and clustered regu ... | 2014 | 24475087 |
| whole-genome sequencing of salmonella enterica subsp. enterica serovar cubana strains isolated from agricultural sources. | we report the draft genomes of salmonella enterica subsp. enterica serovar cubana strain cvm42234, isolated from chick feed in 2012, and s. cubana strain 76814, isolated from swine in 2004. the genome sizes are 4,975,046 and 4,936,251 bp, respectively. | 2014 | 24459266 |
| antimicrobial resistance in salmonella strains clinically isolated in hyogo, japan (2009-2012). | the purpose of this study was to examine the in vitro susceptibilities to antimicrobial agents and genetic diversity of 195 clinical strains of salmonella spp., which were isolated and examined for the extended-spectrum β-lactamase (esbl) blactx-m gene and the presence of gyra, gyrb, parc, and pare genes mutations in hyogo, japan, from 2009 to 2012. forty-three of the 195 strains were antimicrobial resistant. two salmonella enterica subsp. enterica strains, 1 serovar schwarzengrund, and 1 serova ... | 2014 | 24451104 |
| salmonella vaccines: lessons from the mouse model or bad teaching? | salmonella enterica subsp. enterica includes several very important human serovars including typhi, paratyphi, typhimurium and enteritidis. these bacteria cause a significant global burden of disease, typically classified into enteric fever, gastroenteritis and, more recently, invasive non-typhoidal salmonellosis (ints). vaccines have been developed for one of these serovars, s. typhi and the recent increase in ints cases has resulted in a push to develop new vaccines that will inhibit disease b ... | 2014 | 24440968 |
| mlva as a tool for public health surveillance of human salmonella typhimurium: prospective study in belgium and evaluation of mlva loci stability. | surveillance of salmonella enterica subsp. enterica serovar typhimurium (s. typhimurium) is generally considered to benefit from molecular techniques like multiple-locus variable-number of tandem repeats analysis (mlva), which allow earlier detection and confinement of outbreaks. here, a surveillance study, including phage typing, antimicrobial susceptibility testing and the in europe most commonly used 5-loci mlva on 1,420 s. typhimurium isolates collected between 2010 and 2012 in belgium, was ... | 2013 | 24391880 |
| extended-spectrum β-lactamase- and ampc β-lactamase-producing d-tartrate-positive salmonella enterica serovar paratyphi b from broilers and human patients in belgium, 2008-10. | to characterize the genetic determinants responsible for extended-spectrum cephalosporin (esc) resistance of d-tartrate-positive salmonella enterica subsp. enterica serovar paratyphi b (serovar paratyphi b dt+) strains that have emerged in poultry and humans in belgium during 2008-10. | 2014 | 24379303 |
| complete genome sequence of a multidrug-resistant salmonella enterica serovar typhimurium var. 5- strain isolated from chicken breast. | salmonella enterica subsp. enterica serovar typhimurium is a leading cause of salmonellosis. here, we report a closed genome sequence, including sequences of 3 plasmids, of salmonella serovar typhimurium var. 5- cfsan001921 (national antimicrobial resistance monitoring system [narms] strain id n30688), which was isolated from chicken breast meat and shows resistance to 10 different antimicrobials. whole-genome and plasmid sequence analyses of this isolate will help enhance our understanding of t ... | 2013 | 24356834 |
| targeting relaxase genes for classification of the predominant plasmids in enterobacteriaceae. | plasmids are the main vectors of antimicrobial drug resistance and virulence genes, especially in enterobacteriaceae. identification and classification of plasmids is essential for analysis of their distribution. the most widely used typing method is pcr-based replicon typing (pbrt). a new classification scheme based on relaxase gene typing has been described recently. we propose a practical application of this method, with the development of a multiplex pcr set targeting relaxase genes found on ... | 2014 | 24342269 |
| draft genome sequence of salmonella enterica subsp. enterica serotype oranienburg strain s-76, isolated from an aquatic environment. | salmonella is a widespread microorganism and a common causative agent of food-borne illnesses. salmonella enterica subsp. enterica serotype oranienburg is highly prevalent in surface water from tropical ecosystems and is not commonly related to illnesses. here, we report the first genome sequence of salmonella oranienburg strain s-76, isolated from an aquatic environment. | 2013 | 24336368 |
| draft genome sequence of salmonella enterica subsp. enterica serotype saintpaul strain s-70, isolated from an aquatic environment. | salmonella is a pathogen of worldwide importance, causing disease in a vast range of hosts, including humans. we report the genome sequence of salmonella enterica subsp. enterica serotype saintpaul strain s-70, isolated from an aquatic environment. | 2013 | 24336367 |
| a modified molecular beacons-based multiplex real-time pcr assay for simultaneous detection of eight foodborne pathogens in a single reaction and its application. | foodborne disease outbreaks are often caused by one of the major pathogens. early identification of the causal pathogen is crucial for disease control and prevention. we describe a real-time polymerase chain reaction (rtpcr) assay that can identify, in a single reaction, up to eight common foodborne bacterial pathogens, including salmonella enterica subsp. enterica, listeria monocytogenes, escherichia coli o157, vibrio parahaemolyticus, v. vulnificus, campylobacter jejuni, enterobacter sakazakii ... | 2014 | 24328501 |
| molecular characterization of salmonella enterica serovar 4,[5],12:i:- dt193 assut strains from two outbreaks in italy. | salmonella enterica subsp. enterica serovar 4,[5],12:i:- dt193 is recognized as an emerging monophasic variant of salmonella typhimurium in many european countries. resistance to ampicillin, streptomycin, sulphonamides, and tetracycline (r-type assut) is described as one of the most common profiles of resistance within this clone. recently, strains presenting such features were isolated from two unrelated outbreaks in italy. strains were characterized by pulsed-field gel electrophoresis (pfge), ... | 2014 | 24328499 |
| transcriptional profile of salmonella enterica subsp. enterica serovar weltevreden during alfalfa sprout colonization. | sprouted seeds represent a great risk for infection by human enteric pathogens because of favourable growth conditions for pathogens during their germination. the aim of this study was to identify mechanisms of interactions of salmonella enterica subsp. enterica weltevreden with alfalfa sprouts. rna-seq analysis of s. weltevreden grown with sprouts in comparison with m9-glucose medium showed that among a total of 4158 annotated coding sequences, 177 genes (4.3%) and 345 genes (8.3%) were transcr ... | 2014 | 24308841 |
| salmonella in liquid eggs and other foods in fukuoka prefecture, japan. | the study aimed to evaluate the prevalence of salmonella in retail and wholesale foods in fukuoka prefecture, japan. a total of 2,021 samples collected between 1999 and 2010 were tested using a culture method. samples consisted of liquid eggs (n = 30), meat (beef and pork) (n = 781), offal (n = 69), processed meats (n = 2), seafood (n = 232), processed seafood (dried fish) (n = 76), vegetables (n = 481), processed vegetables (n = 87), fruits (n = 167), and herbs (n = 96) from 574 outlets and who ... | 2013 | 24288539 |
| combining de novo and reference-guided assembly with scaffold_builder. | genome sequencing has become routine, however genome assembly still remains a challenge despite the computational advances in the last decade. in particular, the abundance of repeat elements in genomes makes it difficult to assemble them into a single complete sequence. identical repeats shorter than the average read length can generally be assembled without issue. however, longer repeats such as ribosomal rna operons cannot be accurately assembled using existing tools. the application scaffold_ ... | 2013 | 24267787 |
| bioprotection of ready-to-eat probiotic artichokes processed with lactobacillus paracasei lmgp22043 against foodborne pathogens. | the survival of 3 pathogens listeria monocytogenes atcc19115, salmonella enterica subsp. enterica atcc13311, and escherichia coli atcc8739 was evaluated over time in ready-to-eat (rte) artichoke products processed or not with the probiotic strain lactobacillus paracasei lmgp22043. both probiotic and standard products (final ph about 4.0; aw = 0.98) dressed with oil and packaged in modified atmosphere were inoculated with pathogens at a level of about 3 log cfu/g and stored at 4 ºc for 45 d. path ... | 2013 | 24245894 |
| complete genome sequence of salmonella enterica subsp. enterica serovar thompson strain rm6836. | salmonella enterica subsp. enterica serovar thompson strain rm6836 was isolated from lettuce in 2002. we report here the complete sequence and annotation of the genome of s. thompson rm6836. this is the first reported complete genome sequence for s. thompson and it will enhance our understanding of this serovar and provide another point for comparative studies between salmonella enterica strains. | 2013 | 24233585 |
| functional insight from the tetratricopeptide repeat-like motifs of the type iii secretion chaperone sica in salmonella enterica serovar typhimurium. | sica functions both as a class ii chaperone for sipb and sipc of the type iii secretion system (t3ss)-1 and as a transcriptional cofactor for the arac-type transcription factor invf in salmonella enterica subsp. enterica serovar typhimurium. bioinformatic analysis has predicted that sica possesses three tetratricopeptide repeat (tpr)-like motifs, which are important for protein-protein interactions and serve as multiprotein complex mediators. to investigate whether the tpr-like motifs in sica ar ... | 2014 | 24224875 |
| crispr-mvlst subtyping of salmonella enterica subsp. enterica serovars typhimurium and heidelberg and application in identifying outbreak isolates. | salmonella enterica subsp. enterica serovars typhimurium (s. typhimurium) and heidelberg (s. heidelberg) are major causes of foodborne salmonellosis, accounting for a fifth of all annual salmonellosis cases in the united states. rapid, efficient and accurate methods for identification are required for routine surveillance and to track specific strains during outbreaks. we used pulsed-field gel electrophoresis (pfge) and a recently developed molecular subtyping approach termed crispr-mvlst that e ... | 2013 | 24219629 |
| prevalence of the aminoglycoside phosphotransferase genes aph(3')-iiia and aph(3')-iia in escherichia coli, enterococcus faecalis, enterococcus faecium, pseudomonas aeruginosa, salmonella enterica subsp. enterica and staphylococcus aureus isolates in austria. | the aminoglycoside phosphotransferase aph(3')-iia primarily inactivates kanamycin and neomycin, whilst aph(3')-iiia also inactivates amikacin. the aim of this study was to determine the frequency of both resistance genes in major human pathogens to obtain their baseline prevalence in the gene pool of these bacterial populations in austria. in total, 10 541 escherichia coli, enterococcus faecalis, enterococcus faecium, pseudomonas aeruginosa, salmonella enterica subsp. enterica and staphylococcus ... | 2014 | 24194558 |
| specific discrimination of three pathogenic salmonella enterica subsp. enterica serotypes by carb-based oligonucleotide microarray. | it is important to rapidly and selectively detect and analyze pathogenic salmonella enterica subsp. enterica in contaminated food to reduce the morbidity and mortality of salmonella infection and to guarantee food safety. in the present work, we developed an oligonucleotide microarray containing duplicate specific capture probes based on the carb gene, which encodes the carbamoyl phosphate synthetase large subunit, as a competent biomarker evaluated by genetic analysis to selectively and efficie ... | 2014 | 24185846 |
| phylogenetic diversity of the enteric pathogen salmonella enterica subsp. enterica inferred from genome-wide reference-free snp characters. | the enteric pathogen salmonella enterica is one of the leading causes of foodborne illness in the world. the species is extremely diverse, containing more than 2,500 named serovars that are designated for their unique antigen characters and pathogenicity profiles-some are known to be virulent pathogens, while others are not. questions regarding the evolution of pathogenicity, significance of antigen characters, diversity of clustered regularly interspaced short palindromic repeat (crispr) loci, ... | 2013 | 24158624 |
| occurrence of extended-spectrum β-lactamases among isolates of salmonella enterica subsp. enterica from food-producing animals and food products, in portugal. | a total of 1120 salmonella spp. isolates, recovered from poultry, swine and food products of animal origin (bovine, swine and poultry) over the period of 2009-2011, were investigated in order to determine their serotype, susceptibility to a panel of eleven antimicrobials (a, ampicillin; ct, cefotaxime; cp, ciprofloxacin; tm, trimethoprim; su, sulfamethoxazole; c, chloramphenicol; s, streptomycin; g, gentamicin; t, tetracycline; na, nalidixic acid; fl, florfenicol), and the presence of resistance ... | 2013 | 24135677 |
| characterization of drug resistance and virulotypes of salmonella strains isolated from food and humans. | the virulence of bacteria can be evaluated through both phenotypic and molecular assays. we applied these techniques to 114 strains of salmonella enterica subsp. enterica collected from july 2010 to june 2012. salmonella strains were of human origin (71/114) or isolated from food (43/114). the strain set included only the three predominant salmonella serovars isolated in italy from humans (s. enteritidis, s. typhimurium, s. 4,[5],12:i:-). these strains were screened via polymerase chain reaction ... | 2013 | 24102078 |
| carbapenemase-producing enterobacteriaceae and non-enterobacteriaceae from animals and the environment: an emerging public health risk of our own making? | acquired carbapenemases pose one of the most pressing public health threats relating to antibiotic resistance. in most countries, the number of carbapenemase-producing bacteria from human clinical specimens is rising, and the epidemiological status of these multiresistant bacteria is progressively worsening. furthermore, there is a growing number of reports of carbapenemases found either in bacteria isolated from non-human sources or in salmonella enterica subsp. enterica, a zoonotic species. ho ... | 2014 | 24092657 |
| molecular differentiation between salmonella enterica subsp enterica serovar pullorum and salmonella enterica subsp enterica serovar gallinarum. | s. pullorum (sp) and s. gallinarum (sg) are very similar. they are the agents of pullorum disease and fowl typhoid, respectively, and the two diseases are responsible for economic losses in poultry production. although sp and sg are difficult to be differentiated in routine laboratory procedures, the ability to metabolize ornithine is a biochemical test that may be used to achieve this aim. while sp is able to decarboxylate this amino acid, sg is not. however, the isolation of strains showing at ... | 2009 | 24031341 |
| [salmonella serovars isolated in turkey up to the end of year 2011]. | bacteria in salmonella genus are separated into more than 2600 serovars. it is important that the isolated serovars and their sources are known in a certain country. this will help the identification of new salmonella serovars that will be isolated later on. since there is no salmonella reference center in turkey, salmonella serovars isolated in turkey were mainly reported by the articles of aksoycan's manuscripts in various years, and in the list of töreci and anğ in 1991. the aim of this meta- ... | 2013 | 23971922 |
| draft genome sequence of salmonella enterica subsp. enterica serovar manhattan strain 111113, from an outbreak of human infections in northern italy. | we announce the draft genome sequence of salmonella enterica subsp. enterica serovar manhattan strain 111113, isolated from a patient during an outbreak in northern italy. the genome, which was obtained with illumina miseq technology, is composed of 21 contigs for a total of 4,684,342 bp, with a g+c content of 52.17%. | 2013 | 23950133 |
| salmonella utilizes d-glucosaminate via a mannose family phosphotransferase system permease and associated enzymes. | salmonella enterica is a globally significant bacterial food-borne pathogen that utilizes a variety of carbon sources. we report here that salmonella enterica subsp. enterica serovar typhimurium (s. typhimurium) uses d-glucosaminate (2-amino-2-deoxy-d-gluconic acid) as a carbon and nitrogen source via a previously uncharacterized mannose family phosphotransferase system (pts) permease, and we designate the genes encoding the permease dgaabcd (d-glucosaminate pts permease components eiia, eiib, e ... | 2013 | 23836865 |
| a multiplex real-time pcr assay for the identification and differentiation of salmonella enterica serovar typhimurium and monophasic serovar 4,[5],12:i:-. | salmonella enterica subsp. enterica serovar 4,[5],12:i:- is considered to be a monophasic variant of salmonella typhimurium and is increasingly associated with human infections. the use of pcr for the unequivocal identification of strains identified by conventional serotyping as 4,[5],12:i:- has been recommended by the european food safety authority (efsa), in particular the conventional multiplex pcr developed by tennant et al. (2010). an alternative protocol for the identification and differen ... | 2013 | 23827807 |
| ndm-1 carbapenemase-producing salmonella enterica subsp. enterica serovar corvallis isolated from a wild bird in germany. | 2013 | 23818284 | |
| antibiotic resistance in salmonella typhimurium associates with crispr sequence type. | salmonella enterica subspecies enterica serovar typhimurium is a leading cause of foodborne salmonellosis in the united states. the number of antibiotic resistant isolates identified in humans is steadily increasing, suggesting that the spread of antibiotic resistant strains is a major threat to public health. s. typhimurium is commonly identified in a wide range of animal hosts, food sources, and environments, but little is known about the factors mediating the spread of antibiotic resistance i ... | 2013 | 23796925 |
| evaluation of aerated steam treatment of alfalfa and mung bean seeds to eliminate high levels of escherichia coli o157:h7 and o178:h12, salmonella enterica, and listeria monocytogenes. | sprouts contaminated with human pathogens are able to cause food-borne diseases due to the favorable growth conditions for bacteria during germination and because of minimal processing steps prior to consumption. we have investigated the potential of hot humid air, i.e., aerated steam, to treat alfalfa and mung bean seeds which have been artificially contaminated with escherichia coli o157:h7, salmonella enterica subsp. enterica serovar weltevreden, and listeria monocytogenes scott a. in additio ... | 2013 | 23709507 |
| internalisation potential of escherichia coli o157:h7, listeria monocytogenes, salmonella enterica subsp. enterica serovar typhimurium and staphylococcus aureus in lettuce seedlings and mature plants. | the internalisation potential of listeria monocytogenes, staphylococcus aureus, escherichia coli o157:h7 and salmonella enterica subsp. enterica serovar typhimurium in lettuce was evaluated using seedlings grown in vermiculite in seedling trays as well as hydroponically grown lettuce. sterile distilled water was spiked with one of the four human pathogenic bacteria (10(5) cfu/ml) and used to irrigate the plants. the potential for pathogen internalisation was investigated over time using light mi ... | 2013 | 23708570 |
| survey of enterobacteriaceae contamination of table eggs collected from layer flocks in australia. | in the present study, eggs from commercial caged layer flocks at different stages of lay in australia were collected. enterobacteriaceae populations from eggshell surface and eggshell pore were enumerated and these populations characterized using api® rapid 20e strips. the eggshell surface, eggshell pore and egg internal content samples were also processed for the isolation of salmonella and these isolates were tested for the presence or absence of several virulence genes (prgh, sopb, spic, orfl ... | 2013 | 23680799 |
| subtyping of salmonella enterica serovar newport outbreak isolates by crispr-mvlst and determination of the relationship between crispr-mvlst and pfge results. | salmonella enterica subsp. enterica serovar newport (s. newport) is the third most prevalent cause of food-borne salmonellosis. rapid, efficient, and accurate methods for identification are required to track specific strains of s. newport during outbreaks. by exploiting the hypervariable nature of virulence genes and clustered regularly interspaced short palindromic repeats (crisprs), we previously developed a sequence-based subtyping approach, designated crispr-multi-virulence-locus sequence ty ... | 2013 | 23678062 |
| isolation and characterization of a rare waterborne lytic phage of salmonella enterica serovar paratyphi b. | a lytic phage of salmonella serovar paratyphi b, named φspb, was isolated from surface waters of the pavana river in india. phage φspb is a member of the podoviridae family and is morphologically similar to the 7-11 phages of the c3 morphotype of tailed phages, characterized by a very long, cigar-shaped head. the head measured approximately 153 × 57 nm, and the tail size was 12 × 7 nm. the phage was stable over a wide range of ph (4-9) and temperature (4-40 °c). the adsorption rate constant was ... | 2013 | 23647344 |
| antimicrobial resistance and virulence-associated genes of salmonella enterica subsp. enterica serotypes muenster, florian, omuna, and noya strains isolated from clinically diarrheic humans in egypt. | four serotypes recovered from clinically diarrheic human faecal samples (salmonella muenster, salmonella florian, salmonella omuna and salmonella noya) were investigated for the presence of 11 virulence genes (inva, avra, ssaq, mgtc, siid, sopb, gipa, sodc1, sope1, spvc, and bcfc) and their association with antibiotic resistance. the 4 salmonella serotypes lacked virulence genes gipa and spvc. resistance to 7 of the 14 antimicrobials was detected. the frequency of resistance, to lincomycin and s ... | 2013 | 23621859 |
| characterization of salmonella enterica subsp. enterica serovar 4,[5],12:i:- clones isolated from human and other sources in switzerland between 2007 and 2011. | salmonella enterica subsp. enterica serovar 4,[5],12:i:- is a monophasic variant of salmonella typhimurium. in this study, a total of 651 human and 107 food and environmental isolates of serovar 4,[5],12:i:- recovered from 2007 through 2011 in switzerland were characterized by antibiotic resistance profiles and pulsed-field gel electrophoresis (pfge). in addition, a selection of isolates belonging to the most frequent pfge patterns was further subjected to multilocus variable-number tandem-repea ... | 2013 | 23614800 |
| prospects for prevention of salmonella infection in children through vaccination. | strains of salmonella enterica subsp. enterica are amongst the most commonly identified invasive bacterial pathogens in resource-poor settings, and cause significant mortality, particularly in children. in this study we review recent progress in the development of vaccines against s. typhi, s. paratyphi and nontyphoidal salmonella for children. | 2013 | 23591641 |
| fully assembled genome sequence for salmonella enterica subsp. enterica serovar javiana cfsan001992. | we report a closed genome of salmonella enterica subsp. enterica serovar javiana (s. javiana). this serotype is a common food-borne pathogen and is often associated with fresh-cut produce. complete (finished) genome assemblies will support pilot studies testing the utility of next-generation sequencing (ngs) technologies in public health laboratories. | 2013 | 23516208 |
| polymerase chain reaction assay based on rata gene allows differentiation between salmonella enterica subsp. enterica serovar gallinarum biovars gallinarum and pullorum. | salmonella pullorum and salmonella gallinarum are classified as biovars of salmonella enterica subsp. enterica serovar gallinarum. these salmonellae are the causative agents of pullorum disease and fowl typhoid, respectively, and are widely distributed throughout the world. although many developed countries have eradicated these diseases from commercial poultry, they are still the cause of significant economic loss in developing countries. when serovar gallinarum is isolated, it is difficult to ... | 2013 | 23512922 |
| loss of culturability of salmonella enterica subsp. enterica serovar typhimurium upon cell-cell contact with human fecal bacteria. | loss of culturability of salmonella enterica subsp. enterica serovar typhimurium has been observed in mixed cultures with anaerobic fecal bacteria under conditions that allow local interaction between cells, such as cell contact. a reduction of a population of culturable s. typhimurium on the order of ∼10(4) to 10(5) cfu/ml was observed in batch anaerobic mixed cultures with fecal samples from different human donors. culturability was not affected either in supernatants collected at several time ... | 2013 | 23503308 |
| the combination of crispr-mvlst and pfge provides increased discriminatory power for differentiating human clinical isolates of salmonella enterica subsp. enterica serovar enteritidis. | salmonella enterica subsp. enterica serovar enteritidis (s. enteritidis) is a major cause of foodborne salmonellosis. rapid, efficient and accurate methods for identification are required to track specific strains of s. enteritidis during outbreaks of human salmonellosis. by exploiting the hypervariable nature of virulence genes and clustered regularly interspaced short palindromic repeats (crisprs), we previously developed a powerful sequence-based subtyping approach, designated crispr-mvlst. t ... | 2012 | 23498194 |
| [broncho-pulmonary salmonellosis--a case series and review of the literature]. | broncho-pulmonary salmonelloses are rare manifestations of extraintestinal focal infections in adults caused by different subspecies of salmonella. they may appear without previous gastroenteritic symptoms especially in patients older than 60 years, as well as in patients who are immunocompromised or suffer from chronic pulmonary diseases. the transmission route is hematogenous or via aspiration of contaminated gastric fluid. complications are acute respiratory distress syndrome, lung abscesses ... | 2013 | 23468341 |
| the structural elucidation of the salmonella enterica subsp. enterica, reveals that it contains both o-factors 4 and 5 on the lps antigen. | spectroscopic investigation of the o-antigen from salmonella enterica subsp. enterica revealed fine details on the acetylation pattern, the biological repeating unit and the polymerization degree. acetylation at o-2 of the abequose residue, defined both o-factors 4 and 5 in the o-antigen chain of the lipopolysaccharide. nmr observation of the terminal non-reducing end of the polymer confirmed previous data regarding the biological repeating unit and showed an average polymerization degree of 5. ... | 2013 | 23419941 |
| use of real-time pcr on faecal samples for detection of sub-clinical salmonella infection in cattle did not improve the detection sensitivity compared to conventional bacteriology. | there is a need for more sensitive detection methods to improve effectiveness of control programmes of salmonella enterica subsp. enterica serotypes (salmonella) in cattle. we assessed the performance of a rapid, molecular-based, real-time pcr (rt-pcr) method against the conventional bacteriological culture-reference method (bcrm) on cattle faecal samples for detection of sub-clinical salmonella infections in cattle. thirty faecal samples were artificially contaminated with either 10 or 50 cfu o ... | 2013 | 23391438 |
| on the evolutionary history, population genetics and diversity among isolates of salmonella enteritidis pfge pattern jegx01.0004. | facile laboratory tools are needed to augment identification in contamination events to trace the contamination back to the source (traceback) of salmonella enterica subsp. enterica serovar enteritidis (s. enteritidis). understanding the evolution and diversity within and among outbreak strains is the first step towards this goal. to this end, we collected 106 new s. enteriditis isolates within s. enteriditis pulsed-field gel electrophoresis (pfge) pattern jegx01.0004 and close relatives, and de ... | 2013 | 23383127 |
| microfluidic chip-based detection and intraspecies strain discrimination of salmonella serovars derived from whole blood of septic mice. | salmonella is a zoonotic pathogen that poses a considerable public health and economic burden in the united states and worldwide. resultant human diseases range from enterocolitis to bacteremia to sepsis and are acutely dependent on the particular serovar of salmonella enterica subsp. enterica, which comprises over 99% of human-pathogenic s. enterica isolates. point-of-care methods for detection and strain discrimination of salmonella serovars would thus have considerable benefit to medical, vet ... | 2013 | 23354710 |
| genetic types, gene repertoire, and evolution of isolates of the salmonella enterica serovar 4,5,12:i:- spanish clone assigned to different phage types. | salmonella enterica subsp. enterica 4,[5],12:i:- is one of the most prevalent serovars associated with human infections worldwide. two multidrug-resistant clones, designated spanish and european clones, are recognized as having importance for public health and are subject to control measures in the european union. in this study, 23 clinical isolates belonging to the spanish clone were characterized by multilocus sequence typing, multiple-locus variable number tandem repeat analysis (mlva), pcr a ... | 2013 | 23325816 |
| an essential serotype recognition pocket on phage p22 tailspike protein forces salmonella enterica serovar paratyphi a o-antigen fragments to bind as nonsolution conformers. | bacteriophage p22 recognizes o-antigen polysaccharides of salmonella enterica subsp. enterica (s.) with its tailspike protein (tsp). in the serovars s. typhimurium, s. enteritidis, and s. paratyphi a, the tetrasaccharide repeat units of the respective o-antigens consist of an identical main chain trisaccharide but different 3,6-dideoxyhexose substituents. here, the epimers abequose, tyvelose and paratose determine the specific serotype. p22 tsp recognizes o-antigen octasaccharides in an extended ... | 2013 | 23292517 |
| prevalence and characterization of foodborne pathogens in dairy cattle in the eastern part of japan. | to investigate the prevalence and characterization of foodborne pathogens [campylobacter spp., shiga toxin-producing escherichia coli (stec), listeria monocytogenes and salmonella spp.] in dairy cows, rectal content grab samples were collected from 250 dairy cows reared on 25 dairy farms in eastern japan from december 2010 through february 2011. campylobacter jejuni was isolated from 106 (42%) cows on 23 (92%) farms, stec o157 from three cows on one farm, l. monocytogenes from three cows on anot ... | 2013 | 23208291 |
| comparison of heat stress responses of immobilized and planktonic salmonella enterica serovar typhimurium. | salmonellae are often present as immobilized cells in food products in the form of micro-colonies. despite this, most research into salmonella physiology has been performed with bacteria grown as planktonic cultures. in the current study, we compared the transcriptome of planktonic and immobilized salmonella enterica subsp. enterica serovar typhimurium (s. typhimurium) subjected to 30 min of heat stress at 45 °c. the expression of 538 genes was differently regulated between the two conditions af ... | 2013 | 23200655 |
| the effect of environmental pollutants and food processing on the development of antibiotic resistance. | the purpose of this study was to determine how various compounds known to be positive mutagens, contribute to the development of mutations leading to ciprofloxacin resistance in salmonella enterica subsp. enterica serotype typhimurium. the molecular mechanism of ciprofloxacin resistance in treated strains was investigated. | 2014 | 23128813 |
| epidemic of salmonellosis in passerine birds in switzerland with spillover to domestic cats. | a die-off of passerine birds, mostly eurasian siskins (carduelis spinus), occurred in multiple areas of switzerland between february and march 2010. several of the dead birds were submitted for full necropsy. bacteriological examination was carried out on multiple tissues of each bird. at gross examination, common findings were light-tan nodules, 1 to 4 mm in diameter, scattered through the esophagus/crop. histologically, a necroulcerative transmural esophagitis/ingluvitis was observed. bacteria ... | 2013 | 23125146 |
| draft genome sequences of 21 salmonella enterica serovar enteritidis strains. | salmonella enterica subsp. enterica serovar enteritidis is a common food-borne pathogen, often associated with shell eggs and poultry. here, we report draft genomes of 21 s. enteritidis strains associated with or related to the u.s.-wide 2010 shell egg recall. eleven of these genomes were from environmental isolates associated with the egg outbreak, and 10 were reference isolates from previous years, unrelated to the outbreak. the whole-genome sequence data for these 21 human pathogen strains ar ... | 2012 | 23045502 |
| effect of chemical sanitizers on salmonella enterica serovar poona on the surface of cantaloupe and pathogen contamination of internal tissues as a function of cutting procedure. | survival of salmonella enterica subsp. enterica serovar poona on surface and stem scar portions of inoculated cantaloupe following sanitizer application, transfer of pathogen from the rind to the flesh during cutting, and growth of salmonella poona on cantaloupe cubes over 15 days of refrigerated storage were investigated. cantaloupes inoculated with a rifampin-resistant strain of salmonella poona (10(7) cfu/ml) for 3 min and dried for 12 h were washed with chlorine (200 mg free chlorine per lit ... | 2012 | 23043824 |
| salmonella enterica subsp. enterica producing vim-1 carbapenemase isolated from livestock farms. | 2013 | 23034713 | |
| salmonella enterica subsp. enterica isolated from chicken carcasses and environment at slaughter in reunion island: prevalence, genetic characterization and antibiotic susceptibility. | salmonella contamination of 71 chicken broiler flocks was investigated at the slaughterhouse in reunion island between october 2007 and january 2009. samples were collected from live broiler chickens and chicken carcasses as well as the slaughterhouse environment. salmonella spp. was isolated from 40 of 71 (56 % with a confidence interval 5 % [45-67]) broiler chicken flocks at slaughter. the most prominent serovars were blockley (31 %), typhimurium and brancaster (14 %), hadar (10 %), salmonella ... | 2013 | 23011670 |
| occurrence and characterization of monophasic salmonella enterica serovar typhimurium (1,4,[5],12:i:-) of non-human origin in poland. | the epidemiological role of monophasic salmonella enterica subsp. enterica serovar typhimurium tends to increase, indicating pandemic spread. the aim of the present study was to confirm the occurrence of this serological variant in poland and to report the first cases in belarus and ukraine. genetic similarity of monophasic isolates with salmonella typhimurium already present in these countries was assessed. serotyping, duplex-polymerase chain reaction (pcr) assay, antibiotic resistance and puls ... | 2012 | 23009171 |
| inactivation of salmonella enterica by uv-c light alone and in combination with mild temperatures. | the aim of this investigation was to study the efficacy of the combined processes of uv light and mild temperatures for the inactivation of salmonella enterica subsp. enterica and to explore the mechanism of inactivation. the doses to inactivate the 99.99% (4d) of the initial population ranged from 18.03 (salmonella enterica serovar typhimurium stcc 878) to 12.75 j ml(-1) (salmonella enterica serovar enteritidis atcc 13076). the ph and water activity of the treatment medium did not change the uv ... | 2012 | 23001665 |
| review of pathogenesis and diagnostic methods of immediate relevance for epidemiology and control of salmonella dublin in cattle. | salmonella enterica subsp. enterica serovar dublin (s. dublin) receives increasing attention in cattle production. it is host-adapted to cattle, and leads to unacceptable levels of morbidity, mortality and production losses in both newly and persistently infected herds. cattle health promoting institutions in several countries are currently constructing active surveillance programmes or voluntary certification programmes, and encourage control and eradication of s. dublin infected cattle herds. ... | 2013 | 22925272 |
| epidemiology of a salmonella enterica subsp. enterica serovar typhimurium strain associated with a songbird outbreak. | salmonella enterica subsp. enterica serovar typhimurium is responsible for the majority of salmonellosis cases worldwide. this salmonella serovar is also responsible for die-offs in songbird populations. in 2009, there was an s. typhimurium epizootic reported in pine siskins in the eastern united states. at the time, there was also a human outbreak with this serovar that was associated with contaminated peanuts. as peanuts are also used in wild-bird food, it was hypothesized that the pine siskin ... | 2012 | 22885752 |
| electrochemical detection of salmonella using gold nanoparticles. | a disposable immunosensor for salmonella enterica subsp. enterica serovar typhimurium lt2 (s) detection using a magneto-immunoassay and gold nanoparticles (aunps) as label for electrochemical detection is developed. the immunosensor is based on the use of a screen-printed carbon electrode (spce) that incorporates a permanent magnet underneath. salmonella containing samples (i.e. skimmed milk) have been tested by using anti-salmonella magnetic beads (mbs-psab) as capture phase and sandwiching aft ... | 2013 | 22884647 |
| high pressure treatments on the inactivation of salmonella enteritidis and the characteristics of beef carpaccio. | the effect of high pressure (hp) on salmonella enterica subsp. enterica serovar enteritidis in beef carpaccio stored under temperature abuse conditions (8 °c) during 30 days was investigated. after treatment, reductions of s. enteritidis were 3.68 and 5.94 log cfu/g in samples pressurized at 450 mpa for 5 and 10 min, respectively, whereas the pathogen was only detected after enrichment of samples treated at 450 mpa for 15 min. during storage, counts of s. enteritidis decreased 0.26 log cfu/g in ... | 2012 | 22863078 |
| salmonella prevalence among reptiles in a zoo education setting. | clinically healthy reptiles may shed salmonella and therefore act as a potential zoonotic threat. most people in northern european countries are rarely exposed to reptiles, but many zoos have education departments where children have direct contact with this group of animals. the objectives of this study were to determine the prevalence and serotype distribution of salmonella among reptiles in the education department (n = 55) at copenhagen zoo and compare it to the zoo's main reptile collection ... | 2013 | 22835051 |
| immunostimulatory effects of recombinant erysipelothrix rhusiopathiae expressing porcine interleukin-18 in mice and pigs. | interleukin-18 (il-18), which was originally called gamma interferon (ifn-γ)-inducing factor, has been shown to play an important role in innate and acquired immune responses. in this study, attenuated erysipelothrix rhusiopathiae strains were engineered to produce porcine il-18 (poil-18) and evaluated for their potential immunostimulatory effect in animals. recombinant poil-18 was successfully expressed in the recombinant e. rhusiopathiae strains ys-1/il-18 and ko/il-18. the culture supernatant ... | 2012 | 22761300 |
| molecular characterization of salmonella strains in individuals with acute diarrhea syndrome in the state of sucre, venezuela. | in venezuela, acute diarrheic syndrome (ads) is a primary cause of morbi-mortality, often involving the salmonella genus. salmonella infections are associated with acute gastroenteritis, one of the most common alimentary intoxications, and caused by the consumption of contaminated water and food, especially meat. | 2012 | 22760131 |
| isolation and partial characterization of φsp-1, a salmonella specific lytic phage from intestinal content of broiler chicken. | salmonella enterica subsp. enterica serovar enteritidis is a major causative agent of gastroenteritis with contaminated eggs and chicken meat being the major source of infection. phages are seriously being considered as a safe and cheaper alternative to antibiotics. the intestinal content of chicken was used as source for isolating phages. phage designated as φsp-1 was selected for the study. transmission electron microscopy (tem) of phage φsp-1 revealed that it belonged to family podoviridae. t ... | 2013 | 22733367 |
| complete genome sequence of the strong mutator salmonella enterica subsp. enterica serotype heidelberg strain b182. | in bacteria, normal mutation frequencies are mostly around 10(-10) per base pair. however, there exists natural isolates, called "mutators," that exhibit permanent mutation occurrences up to 1,000-fold greater than usual. as mutations play essential roles, particularly in the evolution of antibiotic resistance, bacteria showing elevated mutation rates could have an important responsibility in the emergence of antibiotic resistance, especially in the clinical background. in this announcement, we ... | 2012 | 22689230 |
| a constitutively mannose-sensitive agglutinating salmonella enterica subsp. enterica serovar typhimurium strain, carrying a transposon in the fimbrial usher gene stbc, exhibits multidrug resistance and flagellated phenotypes. | static broth culture favors salmonella enterica subsp. enterica serovar typhimurium to produce type 1 fimbriae, while solid agar inhibits its expression. a transposon inserted in stbc, which would encode an usher for stb fimbriae of a non-flagellar salmonella enterica subsp. enterica serovar typhimurium lb5010 strain, conferred it to agglutinate yeast cells on both cultures. rt-pcr revealed that the expression of the fimbrial subunit gene fima, and fimz, a regulatory gene of fima, were both incr ... | 2012 | 22654583 |
| comparison of the prevalence of salmonella infection in layer hens from commercial layer farms with high and low rodent densities. | a comparison on the prevalence of salmonella infection in layer hens from commercial layer farms with high and low rodent densities was investigated. out of 280 laying hens sampled from three commercial layer farms with high rodent densities, salmonella enterica subsp. enterica serovar enteritidis (salmonella enteritidis) was isolated from 20 (7.14%) hens and salmonella enterica subsp. enterica serovar infantis (salmonella infantis) from three (1.07%) hens. in contrast, layer hens sampled from f ... | 2012 | 22545525 |
| genome sequence of the invasive salmonella enterica subsp. enterica serotype enteritidis strain la5. | salmonella enterica subsp. enterica serotype enteritidis is one of the major causes of gastroenteritis in humans due to consumption of poultry derivatives. here we report the whole-genome sequence and annotation, including the virulence plasmid, of s. enteritidis la5, which is a chicken isolate used by numerous laboratories in virulence studies. | 2012 | 22493198 |
| genome sequence of the persistent salmonella enterica subsp. enterica serotype senftenberg strain ss209. | salmonella enterica subsp. enterica serotype senftenberg is an emerging serotype in poultry production which has been found to persist in animals and the farm environment. we report the genome sequence and annotation of the ss209 strain of s. senftenberg, isolated from a hatchery, which was identified as persistent in broiler chickens. | 2012 | 22493197 |
| complete genome sequence of salmonella enterica subsp. enterica serovar typhi p-stx-12. | we report here the complete genome sequence of salmonella enterica subsp. enterica serovar typhi p-stx-12, a clinical isolate obtained from a typhoid carrier in india. | 2012 | 22461552 |
| extracellular proteins from lactobacillus plantarum bmcm12 prevent adhesion of enteropathogens to mucin. | the aim of this study was to study the interference of the extracellular proteins produced by lactobacillus plantarum bmcm12 with the adhesion of some well-known gut pathogens. the extracellular proteins secreted by l. plantarum bmcm12 in mrs broth were precipitated, resolved by sds-page, and identified by tandem mass spectrometry. discordances between the observed and the theoretical molecular masses of several proteins suggested the presence of protein glycosylation, corroborated with specific ... | 2012 | 22461079 |
| occurrence and antibiotic resistance of multiple salmonella serotypes recovered from water, sediment and soil on mid-atlantic tomato farms. | salmonella outbreaks associated with the consumption of raw tomatoes have been prevalent in recent years. however, sources of salmonella contamination of tomatoes remain poorly understood. the objectives of this study were to identify ecological reservoirs of salmonella on tomato farms, and to test antimicrobial susceptibilities of recovered salmonella isolates. fourteen mid-atlantic tomato farms in the u.s. were sampled in 2009 and 2010. groundwater, irrigation pond water, pond sediment, irriga ... | 2012 | 22406288 |
| antimicrobial and safety properties of lactobacilli isolated from two cameroonian traditional fermented foods. | twenty-one lactobacillus isolates from "sha'a" (a maize - based fermented beverage) and "kossam" (traditionally fermented cow milk) were selected in accordance with their antagonistic activities and tested for their bacteriocinogenic potential as well as safety properties. these isolates were preliminarily identified as lactobacillus plantarum (62%), lactobacillus rhamnosus (24%), lactobacillus fermentum (10%) and lactobacillus coprophilus (4%) based on phenotypic characteristics and rep-pcr gen ... | 2011 | 22396914 |
| comparative genomic analysis of salmonella enterica subsp. enterica serovar weltevreden foodborne strains with other serovars. | salmonella enterica subsp. enterica serovar weltevreden is a dominant serovar associated with foodborne gastroenteritis in south-east asia and emerging in europe associated with fresh vegetables. here we compared the genome of strain 2007-60-3289-1 linked to an alfalfa sprout outbreak in scandinavia with a s. weltevreden strain isolated from scallops in the usa and with other s. enterica serovars. a unique plasmid psw82 was identified for s. weltevreden carrying a two-component type ii non-ribos ... | 2012 | 22341936 |
| addition of a surfactant to tryptic soy broth allows growth of a lactic acid bacteria food antimicrobial, escherichia coli o157:h7, and salmonella enterica. | this study aimed to determine the survival and growth of escherichia coli o157:h7 and salmonella enterica subsp. enterica in a medium supporting the growth of a lactic acid bacteria (lab) food antimicrobial culture. | 2012 | 22313253 |
| tentative colistin epidemiological cut-off value for salmonella spp. | the objective of this research was to determine minimal inhibitory concentration (mic) population distributions for colistin for salmonella on subtype level. furthermore, we wanted to determine if differences in mic for colistin could be explained by mutations in pmra or pmrb encoding proteins involved in processes that influence the binding of colistin to the cell membrane. during 2008-2011, 6,583 salmonella enterica subsp. enterica isolates of human origin and 1931 isolates of animal/meat orig ... | 2012 | 22300222 |
| septicemic salmonellosis caused by salmonella hessarek in wintering and migrating song thrushes (turdus philomelos) in spain. | we investigated two mortality events in wintering and migrating song thrushes (turdus philomelos) in catalonia, northeastern spain in 2009 and 2010. both episodes occurred in late february to mid-march during the spring migration. salmonellosis produced by the serotype salmonella enterica subsp. enterica serotype hessarek (s. hessarek) was identified as the cause of death in both episodes. poor body condition, marked splenomegaly, and microscopic disseminated intravascular coagulation with numer ... | 2012 | 22247379 |
| Extended-spectrum ß-lactamases in German isolates belonging to the emerging monophasic Salmonella enterica subsp. enterica serovar Typhimurium 4,[5],12:i:- European clone. | 2011 | 22058374 | |
| Detecting non-typhoid Salmonella in humans by ELISAs: a literature review. | Non-typhoid salmonellosis is one of the most common causes of foodborne illness throughout the world. Serological methods for the diagnosis of Salmonella infections vary widely and the most commonly used test is limited by high running costs as well as low sensitivity and specificity. Fast and reliable immunoassays which detect subunit antigens for Salmonella enterica subsp. enterica serovar Typhi are commercially available but at present there is no international consensus on similar tests for ... | 2012 | 22034162 |