Publications
| Title | Abstract | Year(sorted descending) Filter | PMID Filter |
|---|
| predictive model for inactivation of campylobacter spp. by heat and high hydrostatic pressure. | campylobacter represents one of the leading causes of foodborne enteritis. poultry and its products frequently transmit the pathogen. the objective of the present study was to model predictively the short-term inactivation of campylobacter in a ready-to-eat poultry product to develop an economic high-pressure treatment. we inactivated baroresistant strains of campylobacter jejuni and campylobacter coli, grown to stationary phase on nutrient agar and inoculated in poultry meat slurry, by heat and ... | 2007 | 17900078 |
| spontaneous mutation frequency and emergence of ciprofloxacin resistance in campylobacter jejuni and campylobacter coli. | we analysed the contribution of spontaneous mutation frequency to the evolution of ciprofloxacin resistance and the diversity of mutations in the quinolone resistance-determining region (qrdr) of gyra and in the intergenic region, cmer-cmea, of the cmeabc efflux pump in campylobacter jejuni and campylobacter coli. | 2007 | 17911389 |
| campylobacter flagella: not just for motility. | campylobacter jejuni and campylobacter coli are among the major causes of diarrheal disease worldwide. the motility imparted by the polar flagella of these pathogens is required for colonization of the mucus lining of the gastrointestinal tract. however, recent studies have revealed a more complex role for flagella in campylobacter pathogenesis that includes the ability to secrete non-flagellar proteins that modulate virulence and the co-regulation of secreted and non-secreted virulence factors ... | 2007 | 17920274 |
| expanding the helicobacter pylori genetic toolbox: modification of an endogenous plasmid for use as a transcriptional reporter and complementation vector. | helicobacter pylori is an important human pathogen. however, the study of this organism is often limited by a relative shortage of genetic tools. in an effort to expand the methods available for genetic study, an endogenous h. pylori plasmid was modified for use as a transcriptional reporter and as a complementation vector. this was accomplished by addition of an escherichia coli origin of replication, a kanamycin resistance cassette, a promoterless gfpmut3 gene, and a functional multiple clonin ... | 2007 | 17921278 |
| epidemiology, relative invasive ability, molecular characterization, and competitive performance of campylobacter jejuni strains in the chicken gut. | one hundred forty-one campylobacter jejuni isolates from humans with diarrhea and 100 isolates from retailed poultry meat were differentiated by flaa typing. the bacteria were isolated in a specific geographical area (dunedin) in new zealand over a common time period. twenty nine flaa types were detected, one of which (flaa restriction fragment length polymorphism type 15 [flaa-15]) predominated among isolates from humans ( approximately 30% of isolates). this strain was of low prevalence (5% of ... | 2007 | 17921281 |
| diversity of campylobacter coli genotypes in the lower porcine gastrointestinal tract at time of slaughter. | to compare the genotypes of campylobacter coli obtained from the rectal and ileal samples of pigs at the time of slaughter. | 2007 | 17922816 |
| characterization of campylobacter phages including analysis of host range by selected campylobacter penner serotypes. | the predominant food borne pathogen in the western world today is campylobacter. campylobacter specific bacteriophages (phages) have been proposed as an alternative agent for reducing the burden of campylobacter in broilers. one concern in relation to phage biocontrol is the narrow host range often displayed by phages. to identify the potential of phages as a campylobacter reducing agent we needed to determine their infectivity on a panel of isolates representing the campylobacter strains found ... | 2007 | 17945022 |
| development of a multiplex pcr assay for identification of campylobacter coli, campylobacter fetus, campylobacter hyointestinalis subsp. hyointestinalis, campylobacter jejuni, campylobacter lari and campylobacter upsaliensis. | a multiplex pcr assay has been developed for the identification of the six common campylobacter taxa associated with human gastroenteritis and/or septicaemia, namely campylobacter coli, campylobacter fetus, campylobacter hyointestinalis subsp. hyointestinalis, campylobacter jejuni, campylobacter lari and campylobacter upsaliensis. the assay was developed using a combination of newly designed and published primers. it provided a specific pcr product for each of the five campylobacter species and ... | 2007 | 17965346 |
| effects of short-chain nitrocompounds against campylobacter jejuni and campylobacter coli in vitro. | effects of 2-nitro-1-propanol, 2-nitroethanol, nitroethane, and 2-nitro-methyl-propionate (0, 10, and 20 mm) on growth of campylobacter jejuni were tested during culture in bolton broth adjusted to ph 5.6, 7.0, or 8.2. the nitrocompounds were similarly tested against c. coli but at ph 8.2 only. viable cell counts measured during incubation revealed main effects (p < 0.05) of all nitrocompounds on the survivability of c. jejuni. an effect of ph (p < 0.05) on the survivability of c. jejuni during ... | 2007 | 17995842 |
| pulsed-plasma gas-discharge inactivation of microbial pathogens in chilled poultry wash water. | a pulsed-plasma gas-discharge (ppgd) system was developed for the novel decontamination of chilled poultry wash water. treatment of poultry wash water in the plasma generation chamber for up to 24 s at 4 degrees c reduced escherichia coli nctc 9001, campylobacter jejuni atcc 33560, campylobacter coli atcc 33559, listeria monocytogenes nctc 9863, salmonella enterica serovar enteritidis atcc 4931, and s. enterica serovar typhimurium atcc 14028 populations to non-detectable levels (< or = 8 log cfu ... | 2007 | 18095434 |
| the complete genome sequence and analysis of the epsilonproteobacterium arcobacter butzleri. | arcobacter butzleri is a member of the epsilon subdivision of the proteobacteria and a close taxonomic relative of established pathogens, such as campylobacter jejuni and helicobacter pylori. here we present the complete genome sequence of the human clinical isolate, a. butzleri strain rm4018. | 2007 | 18159241 |
| role of poultry meat in sporadic campylobacter infections in bosnia and herzegovina: laboratory-based study. | to investigate genetic diversity and specificity of campylobacter jejuni and campylobacter coli strains isolated from humans, retail poultry meat, and live farm chickens in zenica-doboj canton, bosnia and herzegovina, and identify the role of poultry meat in sporadic campylobacter infections. | 2007 | 18074419 |
| [enzyme-linked immunosorbent assay in the diagnosis of campylobacteriosis]. | campylobacter jejuni and campylobacter coli are the bacterial cause of human gastroenteritis commonly reported worldwide. the serodiagnosis of campylobacter infections is not routinely done in poland so the aim of this study was to evaluation of elisa in the diagnosis ofcampylobacteriosis. serum samples obtained from 145 patients with gastroenteritis were tested by elisa with 7 different heat-stable antigens of c. jejuni and one of c. coli and by the commercial virion/serion elisa with purified ... | 2007 | 18416128 |
| assessing sensitivity to antibacterial topoisomerase ii inhibitors. | both prokaryotes and eukaryotes have two major classes of topoisomerases that make transient single- or double-strand cuts in dna. while these enzymes play critical roles in cellular processes, they are also important targets of therapeutic agents. this unit describes assays to use in characterizing topoisomerase ii-targeting agents in vitro and in bacterial cells. it provides protocols for characterizing the action of small molecules against bacterial type ii topoisomerases in vitro and the in ... | 2007 | 21948169 |
| the flik protein and flagellar hook-length control. | the bacterial flagellum is a highly complex prokaryotic organelle. it is the motor that drives bacterial motility, and despite the large amount of energy required to make and operate flagella, motile organisms have a strong adaptive advantage. flagellar biogenesis is both complex and highly coordinated and it typically involves at least three two-component systems. part of the flagellum is a type iii secretion system, and it is via this structure that flagellar components are exported. the assem ... | 2007 | 17456739 |
| the prokaryotic antecedents of the ubiquitin-signaling system and the early evolution of ubiquitin-like beta-grasp domains. | ubiquitin (ub)-mediated signaling is one of the hallmarks of all eukaryotes. prokaryotic homologs of ub (this and moad) and e1 ligases have been studied in relation to sulfur incorporation reactions in thiamine and molybdenum/tungsten cofactor biosynthesis. however, there is no evidence for entire protein modification systems with ub-like proteins and deconjugation by deubiquitinating enzymes in prokaryotes. hence, the evolutionary assembly of the eukaryotic ub-signaling apparatus remains unclea ... | 2006 | 16859499 |
| survey of chicken abattoir for the presence of campylobacter jejuni and campylobacter coli. | the genus campylobacter is of great importance to public health because it includes several species that may cause diarrhea. these species may be found in water, food and in the intestinal tract of chickens. this study investigated the presence of campylobacter jejuni and campylobacter coli in chicken abattoirs in são paulo state, brazil. a total of 288 samples of feces, feathers, scald water, evisceration water, chiller water, and the rinse water of eviscerated, not eviscerated and chilled carc ... | 2006 | 17221125 |
| genetic characterisation of the cjaab operon of campylobacter coli. | we investigated the regulation of the cjaa and cjab genes of campylobacter coli. these genes are seemingly arranged into one operon but appear to encode functionally different proteins i.e. an extracytoplasmic solute receptor and a mhs - metabolite: h+ symporter transport protein. analysis of various transcriptional cjaa and/or cjab lacz fusion constructs revealed that both genes are arranged in an operon. race analysis located the transcription start site of the cjaab operon 46 bp upstream of t ... | 2006 | 17419285 |
| activities of telithromycin, erythromycin, fluoroquinolones, and doxycycline against campylobacter strains isolated from finnish subjects. | the in vitro susceptibilities of 478 campylobacter jejuni and campylobacter coli strains isolated from finnish subjects during 2002 to 2004 were determined. susceptibility to erythromycin remained high, and telithromycin did not offer any advantage over erythromycin. reduced susceptibilities to fluoroquinolones and doxycycline were detected almost exclusively among isolates of foreign origin. | 2006 | 16495275 |
| comparison of culture and a novel 5' taq nuclease assay for direct detection of campylobacter fetus subsp. venerealis in clinical specimens from cattle. | a campylobacter fetus subsp. venerealis-specific 5' taq nuclease pcr assay using a 3' minor groove binder-dna probe (taqman mgb) was developed based on a subspecies-specific fragment of unknown identity (s. hum, k. quinn, j. brunner, and s. l. on, aust. vet. j. 75:827-831, 1997). the assay specifically detected four c. fetus subsp. venerealis strains with no observed cross-reaction with c. fetus subsp. fetus-related campylobacter species or other bovine venereal microflora. the 5' taq nuclease a ... | 2006 | 16517880 |
| genome-wide screen for salmonella genes required for long-term systemic infection of the mouse. | a microarray-based negative selection screen was performed to identify salmonella enterica serovar typhimurium (serovar typhimurium) genes that contribute to long-term systemic infection in 129x1/svj (nramp1(r)) mice. a high-complexity transposon-mutagenized library was used to infect mice intraperitoneally, and the selective disappearance of mutants was monitored after 7, 14, 21, and 28 d postinfection. one hundred and eighteen genes were identified to contribute to serovar typhimurium infectio ... | 2006 | 16518469 |
| the helicobacter pylori chemotaxis receptor tlpb (hp0103) is required for ph taxis and for colonization of the gastric mucosa. | the location of helicobacter pylori in the gastric mucosa of mammals is defined by natural ph gradients within the gastric mucus, which are more alkaline proximal to the mucosal epithelial cells and more acidic toward the lumen. we have used a microscope slide-based ph gradient assay and video data collection system to document ph-tactic behavior. in response to hydrochloric acid (hcl), h. pylori changes its swimming pattern from straight-line random swimming to arcing or circular patterns that ... | 2006 | 16547053 |
| enumeration and identity of campylobacter spp. in italian broilers. | transmission of campylobacter to humans has been prominently associated with mishandling or improperly preparing contaminated poultry carcasses. the number of organisms per carcass represents an important measure of human exposure to the agent. therefore, we wished to estimate this public exposure over 1 yr among italian broiler carcasses. we sampled 213 broiler carcasses from rinse water samples collected from a single slaughterhouse. groups of carcasses had mean processed weights ranging from ... | 2006 | 16553289 |
| two distinct mutations in gyra lead to ciprofloxacin and nalidixic acid resistance in campylobacter coli and campylobacter jejuni isolated from chickens and beef cattle. | the aim of this study was to identify point mutations in the gyra quinolone resistance determining region (qrdr) of campylobacter coli (n = 27) and campylobacter jejuni (n = 26) that confer nalidixic acid (nal) resistance without conferring resistance to ciprofloxacin (cip). | 2006 | 16553723 |
| optimal settings of fingerprint-type analysing computer software for the analysis of enterohaemorrhagic escherichia coli pulsed-field gel electrophoresis patterns. | settings of fingerprint-type analysing computer software were optimized for analysis of enterohaemorrhagic escherichia coli (ehec) pulsed-field gel electrophoresis (pfge) patterns. under the lowest values of parameters, maximum value of similarities calculated using the dice coefficient were obtained between pfge patterns from one ehec strain on the same gel when reference lanes for calibration of distortions during electrophoresis were set to every fourth lane. pfge patterns of 15 ehec strains ... | 2006 | 16566856 |
| changes in flagellin glycosylation affect campylobacter autoagglutination and virulence. | analysis of the complete flagellin glycosylation locus of campylobacter jejuni strain 81-176 revealed a less complex genomic organization than the corresponding region in the genome strain, c. jejuni nctc 11168. twenty-four of the 45 genes found between cj1293 and cj1337 in nctc 11168 are missing in 81-176. mutation of six new genes, in addition to three previously reported, resulted in a non-motile phenotype, consistent with a role in synthesis of pseudaminic acid (pseac) or transfer of pseac t ... | 2006 | 16573682 |
| heterogeneity of campylobacter jejuni and campylobacter coli strains from healthy sheep. | the objectives of this study were to identify, at species level, thermophilic campylobacters isolated from clinically healthy sheep by a multiplex polymerase chain reaction (mpcr). the heterogeneity among campylobacter jejuni and c. coli isolates was also investigated using a restriction fragment length polymorphism (rflp) analysis of the flagellin (flaa) gene. samples of intestinal contents, gall bladders and faeces were collected from 610 healthy sheep. while gall bladder samples were plated d ... | 2006 | 16574349 |
| a phylogenomic profile of globins. | globins occur in all three kingdoms of life: they can be classified into single-domain globins and chimeric globins. the latter comprise the flavohemoglobins with a c-terminal fad-binding domain and the gene-regulating globin coupled sensors, with variable c-terminal domains. the single-domain globins encompass sequences related to chimeric globins and "truncated" hemoglobins with a 2-over-2 instead of the canonical 3-over-3 alpha-helical fold. | 2006 | 16600051 |
| campylobacter coli enteritis and guillain-barré syndrome: no evidence of molecular mimicry and serological relationship. | campylobacter coli was isolated from two guillain-barré syndrome (gbs) patients who had anti-gm1 and anti-gd1 igg antibodies. although both this bacteria and campylobacter jejuni are common causes of diarrheal illness, previous studies have focused only on c. jejuni as the causal agent of gbs. to determine whether c. coli also is a causative agent, we examined the hypothesis that production of anti-ganglioside antibodies is induced by ganglioside-mimics on that bacterial lipo-oligosaccharide (lo ... | 2006 | 16600306 |
| antibiotic resistance of retail food and human campylobacter isolates on the island of ireland from 2001-2002. | the antimicrobial resistance profiles of campylobacter isolates recovered from a range of retail food samples (n=374) and humans (n=314) to eight antimicrobial compounds were investigated. high levels of resistance in food c. jejuni isolates were observed for ceftiofur (58%), ampicillin (25%) and nalidixic acid (17%) with lower levels observed for streptomycin (7.9%) and chloramphenicol (8.3%). a total of 80% of human c. jejuni isolates were resistant to ceftiofur, while 17% showed resistance to ... | 2006 | 16623987 |
| quantification of campylobacter on the surface and in the muscle of chicken legs at retail. | the objective of this study was to determine the prevalence and numbers of campylobacter on the skin and in the muscle of chicken legs at retail to examine the external and internal contamination for an exposure assessment. furthermore, the study assessed seasonal influence on campylobacter contamination in chicken legs. of the 140 examined skin samples, 66% were positive, and the internal contamination of 115 sampled chicken legs was 27%. the enumeration of campylobacter on the surface of posit ... | 2006 | 16629016 |
| adherence to and invasion of human intestinal epithelial cells by campylobacter jejuni and campylobacter coli isolates from retail meat products. | the abilities of 34 campylobacter jejuni and 9 campylobacter coli isolates recovered from retail meats to adhere to and invade human intestinal epithelial t84 cells were examined and compared with those of a well-characterized human clinical strain, c. jejuni 81-176, to better assess the pathogenic potential of these meat isolates. the meat isolates exhibited a wide range of adherence and invasion abilities; a few of the isolates adhered to and invaded t84 cells almost as well as did c. jejuni 8 ... | 2006 | 16629018 |
| amplified fragment length polymorphism, serotyping, and quinolone resistance of campylobacter jejuni and campylobacter coli strains from chicken-related samples and humans in taiwan. | the high-resolution genotyping method of amplified fragment length polymorphism (aflp) analysis was used to study the genetic relationships between campylobacter jejuni isolates from chicken-related samples (n = 32) and humans (n = 27) as well as between campylobacter coli isolates from chicken-related samples (n = 27) and humans (n = 5). these isolates were collected between 1994 and 2003 in taiwan. all c. jejuni and c. coli isolates showed highly heterogeneous fingerprints. c. jejuni isolates ... | 2006 | 16629019 |
| prevalence of thermophilic campylobacter infections in humans, chickens and crows in morogoro, tanzania. | prevalence of thermophilic campylobacter infections in humans, chickens and crows was determined in a cross-sectional study that was carried out in urban and rural areas of morogoro region, tanzania during the period of january 2003 to december 2004. a total of 632 human stool samples, 536 cloacal swabs from local and broiler chickens and 22 intestinal contents from crows were screened for presence of thermophilic campylobacters using skirrow's protocol. representative campylobacter jejuni isola ... | 2006 | 16629722 |
| artificial neural network based identification of campylobacter species by fourier transform infrared spectroscopy. | two prototypes of artificial neural network (ann), multilayer perceptron (mlp), and probabilistic neural network (pnn), were used to analyze infrared (ir) spectral data obtained from intact cells belonging to the species campylobacter coli and campylobacter jejuni. in order to establish a consistent identification and typing procedure, mid infrared spectra of these species were obtained by means of a fourier transform infrared (ft-ir) spectroscope. ft-ir patterns belonging to 26 isolates subclas ... | 2006 | 16632003 |
| antimicrobial susceptibilities of thermophilic campylobacter from humans, swine, and chicken broilers. | the aim of this study was to evaluate the incidence and the distribution of antimicrobial resistance, and the presence of genetic determinants of resistance, in campylobacter recovered from swine, poultry, and human populations in quebec. minimum inhibitory concentrations (mics) of 10 antimicrobial agents were determined by the agar dilution technique. polymerase chain reaction (pcr) was used to detect the teto determinant, and mutations in gyra were analyzed by sequencing and by mismatch amplif ... | 2006 | 16639939 |
| molecular characterization of streptococcus suis strains by 16s-23s intergenic spacer polymerase chain reaction and restriction fragment length polymorphism analysis. | we developed a new molecular method of typing streptococcus suis based on polymerase chain reaction (pcr) amplification of a large fragment of rrna genes, including a part of the 16s and 23s genes and the 16s-23s intergenic spacer region (isr), followed by restriction fragment length polymorphism (rflp) analysis with rsai or mboii endonuclease. the 16s-23s isrs of 5 s. suis isolates were sequenced and compared. size and sequence polymorphisms were observed between the s735 reference strain and t ... | 2006 | 16639941 |
| recurrent outbreaks of cryptosporidiosis associated with calves among students at an educational farm programme, minnesota, 2003. | enteric illness outbreaks among middle-/high-school students in consecutive semesters of an educational farm programme were investigated with retrospective cohort studies. during the first outbreak, 31/92 (34%) interviewed students were ill. risk factors included participating in animal science class (rr 8.1, 95% ci 1.2-55.2) and contact with calves (rr 4.2, 95% ci 1.1-16.2). stool samples from seven students and two calves yielded cryptosporidium parvum. students cared for animals in street clo ... | 2006 | 16672084 |
| dissemination of fluoroquinolone-resistant campylobacter spp. within an integrated commercial poultry production system. | while characterizing the intestinal bacterial community of broiler chickens, we detected epsilon-proteobacterial dna in the ilea of 3-day-old commercial broiler chicks (j. lu, u. idris, b. harmon, c. hofacre, j. j. maurer, and m. d. lee, appl. environ. microbiol. 69:6816-6824, 2003). the sequences exhibited high levels of similarity to campylobacter jejuni and campylobacter coli sequences, suggesting that chickens can carry campylobacter at a very young age. campylobacter sp. was detected by pcr ... | 2006 | 16672489 |
| effect of conventional and organic production practices on the prevalence and antimicrobial resistance of campylobacter spp. in poultry. | intestinal tracts of broilers and turkeys from 10 conventional broiler farms and 10 conventional turkey farms, where antimicrobials were routinely used, and from 5 organic broiler farms and 5 organic turkey farms, where antimicrobials had never been used, were collected and cultured for campylobacter species. a total of 694 campylobacter isolates from the conventional and organic poultry operations were tested for antimicrobial resistance to nine antimicrobial agents by the agar dilution method. ... | 2006 | 16672508 |
| characterization of the arsrs regulon of helicobacter pylori, involved in acid adaptation. | the human gastric pathogen helicobacter pylori is extremely well adapted to the highly acidic conditions encountered in the stomach. the pronounced acid resistance of h. pylori relies mainly on the ammonia-producing enzyme urease; however, urease-independent mechanisms are likely to contribute to acid adaptation. acid-responsive gene regulation is mediated at least in part by the arsrs two-component system consisting of the essential ompr-like response regulator arsr and the nonessential cognate ... | 2006 | 16672598 |
| purification and spectroscopic characterization of ctb, a group iii truncated hemoglobin implicated in oxygen metabolism in the food-borne pathogen campylobacter jejuni. | campylobacter jejuni is a food-borne bacterial pathogen that possesses two distinct hemoglobins, encoded by the ctb and cgb genes. the former codes for a truncated hemoglobin (ctb) in group iii, an assemblage of uncharacterized globins in diverse clinically and technologically significant bacteria. here, we show that ctb purifies as a monomeric, predominantly oxygenated species. optical spectra of ferric, ferrous, o(2)- and co-bound forms resemble those of other hemoglobins. however, resonance r ... | 2006 | 16681372 |
| epidemiology and genetic characterization of shigella flexneri strains isolated from three paediatric populations in egypt (2000-2004). | ninety-seven isolates of shigella flexneri from children seeking medical care from three sites in egypt were characterized. overall, 46.4% of children (median age 17 months) were febrile or reported blood in their stools, 25.8% were dehydrated and 16.5% were admitted to hospital. serotypes 2a (37.1%), 1b (18.6%), 1c (17.5%), and 6 (15.5%) comprised over 88.7% of the total isolates. we observed marked resistance to ampicillin (87.6%), tetracycline (84.5%) and trimethoprim-sulfamethoxazole (63.9%) ... | 2006 | 16690004 |
| a large multi-pathogen waterborne community outbreak linked to faecal contamination of a groundwater system, france, 2000. | a large waterborne outbreak of infection that occurred during august 2000 in a local community in france was investigated initially via a rapid survey of visits to local physicians. a retrospective cohort study was then conducted on a random cluster sample of residents. of 709 residents interviewed, 202 (28.5%) were definite cases (at least three liquid stools/day or vomiting) and 62 (8.7%) were probable cases (less than three liquid stools/day or abdominal pain). those who had drunk tap water h ... | 2006 | 16700706 |
| genotyping of campylobacter coli and c. jejuni from retail chicken meat and humans with campylobacteriosis in slovenia and bosnia and herzegovina. | thermotolerant campylobacter jejuni and c. coli are one of the major causes of bacterial foodborne enteric infection. consuming and/or handling poultry meat is the most consistent risk factor, linked to the high prevalence of campylobacters in retail poultry meat. the aim of the present study was to ascertain the genetic diversity and/or possible specificity of thermotolerant campylobacter isolates according to species (c. coli, c. jejuni), isolation source (retail chicken meat and human clinica ... | 2006 | 16712997 |
| iha from an escherichia coli urinary tract infection outbreak clonal group a strain is expressed in vivo in the mouse urinary tract and functions as a catecholate siderophore receptor. | virulence factors of pathogenic escherichia coli belonging to a recently emerged and disseminated clonal group associated with urinary tract infection (uti), provisionally designated clonal group a (cga), have not been experimentally investigated. we used a mouse model of ascending uti with cga member strain ucb34 in order to identify genes of cga that contribute to uti. iha was identified to be expressed by strain ucb34 in the mouse kidney using selective capture of transcribed sequences. iha f ... | 2006 | 16714573 |
| flagellin-independent regulation of chemokine host defense in campylobacter jejuni-infected intestinal epithelium. | campylobacter jejuni is a leading cause of bacterial food-borne diarrheal disease throughout the world and the most frequent antecedent of autoimmune neuropathy guillain-barré syndrome. while infection is associated with immune memory, little is known regarding the role of the epithelium in targeting dendritic cells (dc) for initiating the appropriate adaptive immune response to c. jejuni. the objective of this study was to define the role for the intestinal epithelium in the induction of the ad ... | 2006 | 16714574 |
| effect of direct culture versus selective enrichment on the isolation of thermophilic campylobacter from feces of mature cattle at harvest. | campylobacterjejuni and campylobacter coli are leading bacterial causes of human gastroenteritis in the united states and other industrialized nations. these organisms frequently colonize avian hosts, including commercial poultry, but are also found in the gastrointestinal tract of other warm-blooded animals, including swine, sheep, and cattle. this study investigated the effect of direct culture versus selective enrichment on the isolation of thermophilic campylobacter from the colon of 610 cat ... | 2006 | 16715799 |
| occurrence of selected foodborne pathogens on poultry and poultry giblets from small retail processing operations in trinidad. | we conducted a study to determine quantitatively and qualitatively the presence of campylobacter spp., escherichia coli, staphylococci, total coliforms, total aerobic bacteria, and salmonella on broiler carcasses from selected small retail processors in trinidad. we used standard media and procedures for detection and quantification. all carcass and weep samples were positive for aerobic bacteria, e. coli, total coliforms, and staphylococci. significant differences in the mean counts of aerobic ... | 2006 | 16715810 |
| high genetic variation in the multidrug transporter cmeb gene in campylobacter jejuni and campylobacter coli. | this study was conducted to examine the genetic variation occurring in the cmeb gene encoding the transporter component of the cmeabc efflux pump. | 2006 | 16735430 |
| macrolide resistance in campylobacter jejuni and campylobacter coli. | infection with campylobacter jejuni is now considered to be the most common cause of acute bacterial gastroenteritis in humans worldwide. it occurs more frequently than infections caused by salmonella species, shigella species, or escherichia coli o157:h7. although c. jejuni is also recognized for its association with serious post-infection neurological complications, most patients with c. jejuni infections have a self-limited illness. nevertheless, a substantial proportion of these infections a ... | 2006 | 16735431 |
| glycosylation of b-type flagellin of pseudomonas aeruginosa: structural and genetic basis. | the flagellin of pseudomonas aeruginosa can be classified into two major types-a-type or b-type-which can be distinguished on the basis of molecular weight and reactivity with type-specific antisera. flagellin from the a-type strain pak was shown to be glycosylated with a heterogeneous o-linked glycan attached to thr189 and ser260. here we show that b-type flagellin from strain pao1 is also posttranslationally modified with an excess mass of up to 700 da, which cannot be explained through phosph ... | 2006 | 16740946 |
| temporal prevalence of antimicrobial resistance in campylobacter spp. from beef cattle in alberta feedlots. | antimicrobial resistance (amr) was temporally assessed in campylobacters isolated from beef cattle (7,738 fecal samples from 2,622 animals) in four commercial feedlots in alberta. all calves were administered chlortetracycline and oxytetracycline in feed, and a majority of the animals (93%) were injected with long-acting oxytetracycline upon arrival at the feedlot. fecal samples from individual animals were collected upon arrival (i.e., entry sample), 69 days (standard deviation [sd] = 3 days) a ... | 2006 | 16751519 |
| atypical helicobacter canadensis strains associated with swine. | forty-two helicobacter isolates were isolated from swine feces in the netherlands and denmark. all 12 isolates sequenced (16s rrna gene) formed a robust clade with helicobacter canadensis ( approximately 99% similarity). species-specific pcr indicated that all of the isolates were h. canadensis isolates. although the appearance of the porcine isolates was similar to the appearance of h. canadensis, only one of these isolates was able to hydrolyze indoxyl acetate, a cardinal characteristic of thi ... | 2006 | 16751570 |
| agdbnet - antigen sequence database software for bacterial typing. | bacterial typing schemes based on the sequences of genes encoding surface antigens require databases that provide a uniform, curated, and widely accepted nomenclature of the variants identified. due to the differences in typing schemes, imposed by the diversity of genes targeted, creating these databases has typically required the writing of one-off code to link the database to a web interface. here we describe agdbnet, widely applicable web database software that facilitates simultaneous blast ... | 2006 | 16790057 |
| the ability of flagellum-specific proteus vulgaris bacteriophage pv22 to interact with campylobacter jejuni flagella in culture. | there has been a recent resurgent interest in bacteriophage biology. research was initiated to examine campylobacter jejuni-specific bacteriophage in the russian federation to develop alternative control measures for this pathogen. | 2006 | 16803630 |
| analysis of campylobacter spp. contamination in broilers from the farm to the final meat cuts by using restriction fragment length polymorphism of the polymerase chain reaction products. | we investigated the genotype diversity and dynamics of campylobacter jejuni and campylobacter coli in six commercial broiler farms during rearing and abattoir processing. in total, 223 c. jejuni and 36 c. coli strains isolated (on farm, transportation crates, carcasses after defeathering, and chicken wing meat at the end of the processing line) were subtyped by pcr-rflp based on flagellin (fla typing) gene. eleven (c. jejuni) and four (c. coli) different rflp patterns were found. multiple c. jej ... | 2006 | 16806554 |
| cladophora (chlorophyta) spp. harbor human bacterial pathogens in nearshore water of lake michigan. | cladophora glomerata, a macrophytic green alga, is commonly found in the great lakes, and significant accumulations occur along shorelines during the summer months. recently, cladophora has been shown to harbor high densities of the fecal indicator bacteria escherichia coli and enterococci. cladophora may also harbor human pathogens; however, until now, no studies to address this question have been performed. in the present study, we determined whether attached cladophora, obtained from the lake ... | 2006 | 16820442 |
| helicobacter anseris sp. nov. and helicobacter brantae sp. nov., isolated from feces of resident canada geese in the greater boston area. | numbers of nonmigratory canada geese have increased substantially in the past decade, and they have become a nuisance in some urban areas. because of their close contact with humans in parks and areas adjacent to surface waterways, contact with their feces poses a zoonotic risk. a total of 97 geese from 10 separate geographic locales in the greater boston area had their feces sampled for detection of helicobacter spp. identification of helicobacter spp. based on 16s rrna genus-specific helicobac ... | 2006 | 16820454 |
| genotyping of campylobacter jejuni using seven single-nucleotide polymorphisms in combination with flaa short variable region sequencing. | this investigation describes the development of a generally applicable, bioinformatics-driven, single-nucleotide polymorphism (snp) genotyping assay for the common bacterial gastrointestinal pathogen campylobacter jejuni. snps were identified in silico using the program 'minimum snps', which selects for polymorphisms providing the greatest resolution of bacterial populations based on simpson's index of diversity (d). the high-d snps identified in this study were derived from the combined c. jeju ... | 2006 | 16849726 |
| unique features of a highly pathogenic campylobacter jejuni strain. | campylobacter jejuni, a major human enteric pathogen, exhibits significant strain-to-strain differences which result in differences in pathogenic potential. c. jejuni 81-176 is a highly virulent strain that exhibits unique pathogenic features and is used by many research laboratories. we have determined the nucleotide sequence of its genome and compared it to the genomes of other sequenced c. jejuni strains. we identified a number of unique genetic features which may confer specific metabolic an ... | 2006 | 16861657 |
| comparative, collaborative, and on-site validation of a taqman pcr method as a tool for certified production of fresh, campylobacter-free chickens. | certified campylobacter-free poultry products have been produced in denmark since 2002, the first example of fresh (unprocessed and nonfrozen) chickens labeled "campylobacter free." this success occurred partly through use of a 4-hour gel-based pcr testing scheme on fecal swabs. in this study, a faster, real-time pcr approach was validated in comparative and collaborative trials, based on recommendations from the nordic system for validation of alternative microbiological methods (nordval). the ... | 2006 | 16885299 |
| molecular epidemiologic investigation of campylobacter coli in swine production systems, using multilocus sequence typing. | multilocus sequence typing of 151 campylobacter coli isolates from swine reared in conventional (n = 74) and antimicrobial-free (n = 77) production systems revealed high genotypic diversity. sequence type (st) 1413 was predominant and observed among ciprofloxacin-resistant strains. we identified a c. coli st 828 clonal complex consisting of isolates from both production systems. | 2006 | 16885327 |
| efficacy of iron chelators on campylobacter concentrations in turkey semen. | campylobacter is a leading bacterial cause of human foodborne infections in the united states. recent studies suggest that the organism is highly prevalent in poultry semen and may contribute to vertical transmission between the breeder hen and offspring. because campylobacter requires iron for its growth and survival, the objective of this study was to determine if the addition of natural and synthetic chelators such as ovotransferrin, desferrioxaime, edta, or 2,2'-dipyridyl could reduce or eli ... | 2006 | 16903479 |
| synergy between efflux pump cmeabc and modifications in ribosomal proteins l4 and l22 in conferring macrolide resistance in campylobacter jejuni and campylobacter coli. | macrolide-resistant mutants of campylobacter jejuni and campylobacter coli were selected in vitro using erythromycin and tylosin. these mutants exhibited modifications in the ribosomal proteins l4 (g74d) and l22 (insertions at position 86 or 98). a synergy between the cmeabc efflux pump and these modifications in conferring macrolide resistance was observed. | 2006 | 16940070 |
| investigation for possible source(s) of contamination of ready-to-eat meat products with listeria spp. and other pathogens in a meat processing plant in trinidad. | in 2003, there was a recall of three processed (chicken franks, spice ham and turkey ham ready-to-eat (rte) meat products by a large processing plant in trinidad as a result of contamination by listeria monocytogenes. the study was conducted to investigate the possible source(s) of listeria contamination of recalled rte meat products and to determine the prevalence of listeria spp., salmonella spp., escherichia coli and campylobacter spp. in the products and air within the plant. raw and process ... | 2006 | 16943025 |
| in vitro antimicrobial susceptibility, genetic diversity and prevalence of udp-glucose 4-epimerase (gale) gene in campylobacter coli and campylobacter jejuni from turkey production facilities. | this study evaluated the genetic diversity of multi-drug resistant campylobacter jejuni (n=44) and c. coli (n=30) isolated from 18 turkey houses. antimicrobial resistances to ampicillin, ciprofloxacin and nalidixic acid were higher (p<0.05) in c. coli than in c. jejuni strains. pcr analysis indicated that 82% of total isolates tested, including 91% of c. jejuni and 70% of c. coli tested positive for a 496-bp udp-glucose 4-epimerase (gale) gene. the diversity of isolates was mapped by antibiogram ... | 2006 | 16943028 |
| comparative genomic analysis of campylobacter jejuni strains reveals diversity due to genomic elements similar to those present in c. jejuni strain rm1221. | analysis of the complete genomic sequence of campylobacter jejuni strain rm1221 identified four large genomic elements, campylobacter jejuni-integrated elements (cjies), that were absent from c. jejuni strain nctc 11168. to further investigate the genomic diversity of campylobacter, we conducted a comparative genomic analysis from a collection of 67 c. jejuni and 12 campylobacter coli strains isolated from various geographical locations and clinical and veterinary sources. utilizing pcr, we demo ... | 2006 | 16943349 |
| lack of evidence for vertical transmission of campylobacter spp. in chickens. | campylobacter jejuni is a major cause of bacterial food-borne infection in the industrial world. there is evidence that c. jejuni is present in eggs and hatchery fluff, opening the possibility for vertical transmission from hens to progeny. poultry operations in iceland provide an excellent opportunity to study this possibility, since breeding flocks are established solely from eggs imported from grandparent flocks in sweden. this leaves limited opportunity for grandparents and their progeny to ... | 2006 | 16957196 |
| study on the prevalence of campylobacter spp. from chicken meat in hanoi, vietnam. | campylobacter spp. is considered to be the most common bacterial cause of human gastroenteritis worldwide. in developing countries, campylobacter spp. diarrhea is an important cause of childhood morbidity. chicken meat is known to be a major source of campylobacteriosis infection in the world. the purpose of this study was to investigate the prevalence of campylobacter spp. in chicken meat. a total of 100 samples from breast part of chicken carcass were collected from retail market in hanoi. the ... | 2006 | 17135525 |
| a pilot study on post-evisceration contamination of broiler carcasses and ready-to-sell livers and intestines (mala) with campylobacter jejuni and campylobacter coli in a high-throughput south african poultry abattoir. | to assess post-evisceration contamination of broiler carcasses, 300 samples were randomly selected during routine slaughter in the winter of 2004. the samples originated from 50 chicken carcasses, taken directly after evisceration, as well as 25 samples from ready-to-sell packages of fresh intestines (mala) and livers. the samples were taken in batches over a period of 4 weeks to allow randomised sampling from different farms of origin. conventional culture-based detection methods of campylobact ... | 2006 | 17137050 |
| relationship between the severity of hepatitis c virus-related liver disease and the presence of helicobacter species in the liver: a prospective study. | to determine the presence of helicobacter species dna in the liver of chronic hepatitis c (chc) patients with and without cirrhosis as compared to controls, and to identify the bacterial species involved. | 2006 | 17143941 |
| in vitro and in vivo complementation of the helicobacter pylori arginase mutant using an intergenic chromosomal site. | gene complementation strategies are important in validating the roles of genes in specific phenotypes. complementation systems in helicobacter pylori include shuttle vectors, which transform h. pylori at relatively low frequencies, and chromosomally based approaches. chromosomal complementation strategies are susceptible to polar effects and disruption of other h. pylori genes, leading to unwanted pleiotropic effects. | 2006 | 16961811 |
| ganglioside molecular mimicry and its pathological roles in guillain-barré syndrome and related diseases. | 2006 | 16966405 | |
| bacteriocins reduce campylobacter colonization and alter gut morphology in turkey poults. | campylobacter is a leading cause of food-borne illness in the united states. recent evidence has demonstrated that bacteriocins produced by bacillus circulans and paenibacillus polymyxa reduce cecal campylobacter colonization in broiler chickens infected with campylobacter jejuni. as campylobacter coli is the most prevalent campylobacter isolate recovered in turkeys, the objectives of the present study were to evaluate the efficacy of these bacteriocins against c. coli colonization and their inf ... | 2006 | 16977842 |
| mechanisms of transcription activation exerted by gadx and gadw at the gada and gadbc gene promoters of the glutamate-based acid resistance system in escherichia coli. | in escherichia coli the gad system protects the cell from the extreme acid stress encountered during transit through the host stomach. the structural genes gada, gadb, and gadc encode two glutamate decarboxylase isoforms and a glutamate/gamma-aminobutyrate (gaba) antiporter, respectively. glutamate decarboxylation involves both proton consumption and production of gaba, a neutral compound which is finally exported via the gadc antiporter. regulation of gada and gadbc transcription is very comple ... | 2006 | 16980449 |
| intestinal carriage of campylobacter jejuni and campylobacter coli among cattle from south-western norway and comparative genotyping of bovine and human isolates by amplified-fragment length polymorphism. | in a survey conducted in 1999-2001, the carriage of thermotolerant campylobacters in cattle was investigated, and the genetic diversity of c. jejuni within one herd was examined and compared with human isolates. c. jejuni, c. coli and other thermotolerant campylobacter spp. were isolated from intestinal contents from 26%, 3% and 2% of 804 cattle, respectively. the carriage rate was higher in calves (46%) than in adults (29%). twenty-nine c. jejuni isolates from one herd and 31 human isolates fro ... | 2006 | 16987400 |
| effect of oral administration of butyrivibrio fibrisolvens mdt-1 on experimental enterocolitis in mice. | butyrivibrio fibrisolvens mdt-1, a butyrate-producing strain, was evaluated for use as a probiotic to prevent enterocolitis. oral administration of the mdt-1 strain (10(9) cfu/dose) alleviated the symptoms of colitis (including body weight loss, diarrhea, bloody stool, organic disorder, and mucosal damage) that are induced in mice drinking water that contains 3.0% dextran sulfate sodium. in addition, myeloperoxidase (mpo) activity levels in colonic tissue were reduced, suggesting that mdt-1 miti ... | 2006 | 16988006 |
| recovery methods for detection and quantification of campylobacter depend on meat matrices and bacteriological or pcr tools. | campylobacter is one of the main causes of human foodborne bacterial disease associated with meat consumption in developed countries. therefore, the most effective approach for recovery and detection of campylobacter from meat should be determined. two hundred ninety pork skin and chine samples were inoculated with campylobacter jejuni nctc 11168 and two strains of campylobacter coli. campylobacter cells were then recovered from suspensions and enumerated by direct plating. campylobacter recover ... | 2006 | 16995511 |
| fingerprinting of campylobacter jejuni by using resolution-optimized binary gene targets derived from comparative genome hybridization studies. | the aim of this investigation was to exploit the vast comparative data generated by comparative genome hybridization (cgh) studies of campylobacter jejuni in developing a genotyping method. we examined genes in c. jejuni that exhibit binary status (present or absent between strains) within known plasticity regions, in order to identify a minimal subset of gene targets that provide high-resolution genetic fingerprints. using cgh data from three studies as input, binary gene sets were identified w ... | 2006 | 16997982 |
| detection and identification of food-borne pathogens of the genera campylobacter, arcobacter and helicobacter by multiplex pcr in poultry and poultry products. | the objective of this study was to develop a multiplex polymerase chain reaction (pcr) to detect and differentiate food-borne pathogens of the three genera campylobacter, arcobacter and helicobacter in a single step procedure. one common reverse primer and three genus-specific forward primers were designed by hybridizing to the 16s rrna of selected reference strains. besides the species with significance as food-borne pathogens isolated from poultry meat--campylobacter jejuni, campylobacter coli ... | 2006 | 17010041 |
| natural presence of campylobacter spp. in various internal organs of commercial broiler breeder hens. | campylobacter are known to cause acute bacterial gastroenteritis in humans. poultry products have been implicated as a significant source of these infections. six experiments were performed to determine whether campylobacter could be isolated naturally from the primary and secondary lymphoid organs, liver/gallbladder, and ceca of commercial broiler breeder hens. broiler breeder hens were acquired from different commercial sources during the early, middle, and late lay cycles. the birds were euth ... | 2006 | 17039849 |
| campylobacter jejuni multilocus sequence types in humans, northwest england, 2003-2004. | detailed understanding of the epidemiology of campylobacter is increasingly facilitated through use of universal and reproducible techniques for accurate strain differentiation and subtyping. multilocus sequence typing (mlst) enables discriminatory subtyping and grouping of isolate types into genetically related clonal complexes; it also has the advantage of ease of application and repeatability. recent studies suggest that a measure of host association may be distinguishable with this system. w ... | 2006 | 17176563 |
| prevalence and antimicrobial resistance of campylobacter jejuni and campylobacter coli isolated from raw chicken meat and human stools in korea. | prevalence of campylobacter in raw chicken meat and human stools and subsequent antibiotic resistance profiles of the pathogenic isolates obtained from 2000 through 2002 were investigated. campylobacter jejuni and campylobacter coli were isolated from 570 of the 923 raw chicken meat samples collected from traditional markets, large retail stores, or department stores in korea, resulting in the isolation rate of 61.8%. a total of 579 campylobacter isolates were obtained from raw chicken (36.3% fo ... | 2006 | 17186659 |
| characterization of macrolide-resistant campylobacter coli isolates from food-producing animals on farms across japan during 2004. | we investigated the susceptibilities against 7 antimicrobial agents in campylobacter jejuni and c. coli isolates from food-producing animals in 2004. in comparison with the results of past surveillance, no significant difference was observed in resistance rates against all of the antimicrobials tested in campylobacter isolates. however, slight increase of erythromycin (em) resistance was found in c. coli isolates from pigs. we examined the mutation of the 23s rrna gene and their susceptibilities ... | 2006 | 17085893 |
| sequence analysis of two cryptic plasmids from an agricultural isolate of campylobacter coli. | as part of a study identifying plasmids in campylobacter, we isolated and sequenced two novel cryptic plasmids from an agricultural isolate of campylobacter coli. the larger of the two plasmids, p3384, is 3316 bp in length and has a g+c content of 31.18%. a typical origin of replication consisting of five iterons was observed directly upstream of the first of three putative orfs. the smaller plasmid, p3386, is 2426 bp in length and has a g+c content of 26.22%. of the three putative orfs detected ... | 2006 | 16120460 |
| genetic diversity in fluoroquinolone and macrolide-resistant campylobacter coli from pigs. | the genetic diversity of 115 campylobacter coli strains, isolated from pigs of 59 geographical distant farms in switzerland, were characterized on the basis of their dna fingerprints and resistance to macrolides and fluoroquinolones. sequence analysis showed that the macrolide-resistant isolates had a point mutation in the 23s ribosomal rna (rrna) genes (a2075g) and that the fluoroquinolone-resistant isolates had a point mutation in the gyrase gene gyra (c257t). one fluoroquinolone-resistant str ... | 2006 | 16289952 |
| iron and ph homeostasis intersect at the level of fur regulation in the gastric pathogen helicobacter pylori. | helicobacter pylori persistently colonizes the stomach of the majority of the world's population and is a tremendous medical burden due to its causal role in diverse gastric maladies. since the stomach is a constantly changing environment, successful colonization of h. pylori within this niche requires regulation of bacterial gene expression to cope with the environmental fluctuations. in h. pylori, the ferric uptake regulator (fur) has been shown to play an intricate role in adaptation of the b ... | 2006 | 16369017 |
| new world monkey aotus nancymae as a model for campylobacter jejuni infection and immunity. | three groups of six monkeys (aotus nancymae) each were inoculated intragastrically with increasing doses of campylobacter jejuni. infection resulted in fecal colonization (100% of monkeys), dose-related diarrhea, and robust immune responses. colonization duration and diarrhea rate were reduced upon secondary challenge. a. nancymae may be useful for studying anti-campylobacter vaccine efficacy. | 2006 | 16369042 |
| xbase, a collection of online databases for bacterial comparative genomics. | the schema of the previously described escherischia coli database colibase has been applied to a number of other bacterial taxa, under the collective name xbase. the new databases include campydb for campylobacter, helicobacter and wolinella; pseudodb for pseudomonads; clostridb for clostridia; rhizodb for rhizobium and sinorhizobium; and mycodb, for mycobacterium, streptomyces and related organisms. the databases provide user friendly access to annotation and genome comparisons through a web-ba ... | 2006 | 16381881 |
| xbase, a collection of online databases for bacterial comparative genomics. | the schema of the previously described escherischia coli database colibase has been applied to a number of other bacterial taxa, under the collective name xbase. the new databases include campydb for campylobacter, helicobacter and wolinella; pseudodb for pseudomonads; clostridb for clostridia; rhizodb for rhizobium and sinorhizobium; and mycodb, for mycobacterium, streptomyces and related organisms. the databases provide user friendly access to annotation and genome comparisons through a web-ba ... | 2006 | 16381881 |
| identification of host-associated alleles by multilocus sequence typing of campylobacter coli strains from food animals. | campylobacter coli is a food-borne pathogen associated increasingly with human gastroenteritis. c. coli has a high prevalence in swine, but is isolated also from cattle and poultry. multilocus sequence typing (mlst) systems have been developed to differentiate c. coli strains. although substantial allelic diversity was identified across all seven c. coli mlst loci, no correlations were made in two previous studies between allele or sequence type (st) and the source of the organism. however, this ... | 2006 | 16385134 |
| stable concentrated emulsions of the 1-monoglyceride of capric acid (monocaprin) with microbicidal activities against the food-borne bacteria campylobacter jejuni, salmonella spp., and escherichia coli. | of 11 fatty acids and monoglycerides tested against campylobacter jejuni, the 1-monoglyceride of capric acid (monocaprin) was the most active in killing the bacterium. various monocaprin-in-water emulsions were prepared which were stable after storage at room temperature for many months and which retained their microbicidal activity. a procedure was developed to manufacture up to 500 ml of 200 mm preconcentrated emulsions of monocaprin in tap water. the concentrates were clear and remained stabl ... | 2006 | 16391087 |
| heat resistance and mechanism of heat inactivation in thermophilic campylobacters. | the heat resistance of campylobacter jejuni strains ar6 and l51 and the heat resistance of campylobacter coli strains dr4 and l6 were measured over the temperature range from 50 to 60 degrees c by two methods. isothermal measurements yielded d55 values in the range from 4.6 to 6.6 min and z values in the range from 5.5 to 6.3 degrees c. dynamic measurements using differential scanning calorimetry (dsc) during heating at a rate of 10 degrees c/min yielded d55 values of 2.5 min and 3.4 min and z v ... | 2006 | 16391133 |
| presence of salmonella and campylobacter spp. in wild small mammals on organic farms. | the presence of salmonella and campylobacter spp. in rodents and insectivores (n = 282) was investigated on organic farms. infections were encountered in house mice (8 of 83 campylobacter positive and 1 of 83 salmonella sp. strain livingstone positive) and brown rats (1 of 8 campylobacter positive) but not in other species. no shared campylobacter genotypes were found between rodent and pig manure isolates. effective on-farm rodent management is recommended. | 2006 | 16391145 |
| comparison of campylobacter isolated from humans and food-producing animals in japan. | to compare the antimicrobial resistance, serotypes and flagellin gene types of campylobacter isolated from humans and food-producing animals and thereby facilitate elucidation of the origin of campylobacter causing human infection in japan. | 2006 | 16405695 |
| genetic characterization and antibiotic resistance of campylobacter spp. isolated from poultry and humans in senegal. | the main objectives of this study were to investigate the diversity of campylobacter genotypes circulating in senegal and to determine the frequency of antibiotic resistance. | 2006 | 16405702 |
| temperature dependence of reported campylobacter infection in england, 1989-1999. | campylobacter is the most common bacterial cause of gastroenteritis in england and wales, with 45000 cases reported annually. campylobacter incidence is highly seasonal; the consistent peak in late spring suggests a role for meteorological factors in the epidemiology of this organism. we investigated the relationship between ambient temperature and campylobacter enteritis using time-series analysis to study short-term associations between temperature and number of campylobacter reports adjusted ... | 2006 | 16409658 |
| temperature dependence of reported campylobacter infection in england, 1989-1999. | campylobacter is the most common bacterial cause of gastroenteritis in england and wales, with 45000 cases reported annually. campylobacter incidence is highly seasonal; the consistent peak in late spring suggests a role for meteorological factors in the epidemiology of this organism. we investigated the relationship between ambient temperature and campylobacter enteritis using time-series analysis to study short-term associations between temperature and number of campylobacter reports adjusted ... | 2006 | 16409658 |
| antimicrobial resistance in campylobacter jejuni from humans and broilers in norway. | in this study comprising isolates from 2001 to 2003, resistance was considerably more widespread among campylobacter jejuni from humans infected abroad than infected within norway. the discrepancy was particularly notable for fluoroquinolone resistance (67.4% vs. 6.5%). this is probably a reflection of a low resistance prevalence in norwegian broiler isolates (1.2% fluoroquinolone resistant). | 2006 | 16409659 |