| rapid and sensitive detection of campylobacter spp. in chicken products by using the polymerase chain reaction. | the polymerase chain reaction (pcr) after a short enrichment culture was used to detect campylobacter spp. in chicken products. after the 16s rrna gene sequence of campylobacter jejuni was determined and compared with known sequences from other enterobacteria, a primer and probe combination was selected from the region before v3 and the variable regions v3 and v5. with this primer set and probe, 426-bp fragments from c. jejuni, campylobacter coli, and campylobacter lari could be amplified. the d ... | 1992 | 1282312 |
| specific detection of campylobacter jejuni and campylobacter coli by using polymerase chain reaction. | development of a routine detection assay for campylobacter jejuni and campylobacter coli in clinical specimens was undertaken by using the polymerase chain reaction (pcr). an oligonucleotide primer pair from a conserved 5' region of the flaa gene of c. coli vc167 was used to amplify a 450-bp region by pcr. the primer pair specifically detected 4 strains of c. coli and 47 strains of c. jejuni; but it did not detect strains of campylobacter fetus, campylobacter lari, campylobacter upsaliensis, cam ... | 1992 | 1400961 |
| [isolation of campylobacter lari (laridis) in feces from a child with acquired immunodeficiency syndrome]. | | 1992 | 1605418 |
| revision of campylobacter, helicobacter, and wolinella taxonomy: emendation of generic descriptions and proposal of arcobacter gen. nov. | hybridization experiments were carried out between dnas from more than 70 strains of campylobacter spp. and related taxa and either 3h-labeled 23s rrnas from reference strains belonging to campylobacter fetus, campylobacter concisus, campylobacter sputorum, campylobacter coli, and campylobacter nitrofigilis, an unnamed campylobacter sp. strain, and a wolinella succinogenes strain or 3h- or 14c-labeled 23s rrnas from 13 gram-negative reference strains. an immunotyping analysis of 130 antigens ver ... | 1991 | 1704793 |
| isolation of a urease positive thermophilic variant of campylobacter lari from a patient with urinary tract infection. | an unusual campylobacter strain, a urease positive thermophilic variant of campylobacter lari, was isolated from the urine of a patient with urinary tract infection who was hospitalized because of cirrhosis and haemorrhage. the strain was isolated from urine specimens on three separate occasions. a significant serological response to the organism was also detected. this is the first documented case of extra-intestinal infection due to this group of organisms. | 1990 | 2073901 |
| purification, characterization, and localization of a protein antigen shared by thermophilic campylobacters. | a protein antigen with an apparent molecular weight (mr) of 31,000 was isolated from 0.2 m glycine hydrochloride (ph 2.2) extracts of a typical human fecal isolate, campylobacter jejuni vc74. the protein was purified to homogeneity on a preparative scale by immunoaffinity chromatography followed by molecular sieving with a superose 12 column. isoelectric focusing under nondenaturing conditions indicated a pi of 9.3, and amino acid composition analysis showed that the protein was unusually rich i ... | 1990 | 2380360 |
| cytotoxic and cytotonic factors produced by campylobacter jejuni, campylobacter coli, and campylobacter laridis. | complete toxigenicity studies were performed on 341 strains of campylobacter spp., including 23 nonhuman isolates. toxin profiles based on both cytotonic and cytotoxic factors were determined after analyzing responses in vero, hela, cho and y-1 cells. suckling mouse assays were consistently negative for all culture filtrates tested. toxin-producing strains were frequently encountered among both the human and nonhuman strains of campylobacter jejuni, c. coli, and c. laridis investigated. strains ... | 1986 | 3018039 |
| characterization of an unclassified microaerophilic bacterium associated with gastroenteritis. | four isolates of an unclassified microaerophilic bacterium resembling campylobacter species were characterized by growth requirements, microscopic examination, biochemical characteristics, antimicrobial susceptibility tests, and protein profile analysis. the unclassified isolates were differentiated from campylobacter jejuni, campylobacter coli, campylobacter fetus subsp. fetus, campylobacter laridis, campylobacter pylori, and an ovine isolate. the bacterium was fusiform shaped with a corrugated ... | 1988 | 3343302 |
| urease-positive thermophilic campylobacter (campylobacter laridis variant) isolated from an appendix and from human feces. | urease-positive thermophilic campylobacters were isolated for the first time from the feces of two adults with diarrheal disease and from the appendix of a child with appendicitis. they were identified as campylobacter laridis by a hybridization dot blot assay. urease testing should be included in the tests used for the identification of campylobacters at the species level, even for those strains which are not of gastric origin. | 1988 | 3384898 |
| atypical campylobacters associated with gastroenteritis. | nine strains of campylobacter species other than campylobacter jejuni, campylobacter coli, and campylobacter laridis were isolated from patients with acute diarrhea. all nine strains showed preferred growth at 37 degrees c under microaerophilic conditions. conventional microbiological tests and dna-dna dot blotting were used to identify these strains. three of the nine campylobacter strains hydrolyzed hippurate, reduced nitrate, produced catalase, were resistant to cephalothin, and were shown to ... | 1987 | 3611317 |
| evaluation of gamma radiation levels for reducing pathogenic bacteria and fungi in animal sewage and laboratory effluents. | sewage samples collected from animal wastes and from effluents at an animal disease laboratory were inoculated with known numbers of pathogenic organisms and subjected to various doses of gamma radiation from a 60co source. surviving test organisms were quantitatively determined by selective and enrichment techniques. the experiment was modeled as a quantal assay in which probit analysis was applied to obtain d10 values. the d10 value represents the irradiating dose required to reduce the popula ... | 1987 | 3651881 |
| enteritis associated with campylobacter laridis. | campylobacter laridis has occasionally been isolated from patients with diarrhea, but its clinical significance in this setting has yet to be established. we report a patient with a self-limited diarrheal illness whose stool cultures yielded c. laridis. the patient also developed a specific serum bactericidal antibody response to this strain of c. laridis, suggesting that the organism was causally related to the enteric illness. | 1987 | 3793864 |
| illness associated with campylobacter laridis, a newly recognized campylobacter species. | campylobacter laridis, a recently described thermophilic campylobacter species found principally in seagulls, has not previously been linked to illness in humans. six clinical isolates of this species were referred to the national campylobacter reference laboratory in 1982 and 1983. each isolate was confirmed by biochemical characterization and by dna relatedness studies. the six isolates were obtained during an illness: enteritis in four, severe crampy abdominal pain in one, and terminal bacter ... | 1985 | 3972989 |
| serotyping of campylobacter jejuni, campylobacter coli, and campylobacter laridis from domestic and wild animals. | by using 50 unabsorbed antisera, we were able to serotype 272 (65.7%) of 414 thermotolerant campylobacters from wild and domestic animals, on the basis of heat-stable antigens identified by means of passive hemagglutination. forty-two serotypes were recognized. the pattern of serotypes detected in the various animal species was compared to human clinical isolates by using the czekanowski index (proportional similarity index). the highest degree of similarity to the clinical isolates was observed ... | 1985 | 4015088 |
| new, extended biotyping scheme for campylobacter jejuni, campylobacter coli, and "campylobacter laridis". | a biotyping scheme using improved media and methods for the detection of hippurate hydrolysis, rapid h2s production, and dna hydrolysis was applied to 1,826 cultures of campylobacter jejuni, campylobacter coli and "campylobacter laridis" isolates from human and nonhuman sources. four biotypes were identified among c. jejuni: 57.3% of the isolates belonged to biotype i; 36.0%, to biotype ii; 4.0%, to biotype iii; and 2.7%, to biotype iv. c. coli organisms were differentiated into biotype i (67.0% ... | 1984 | 6490850 |
| immunological specificity of helicobacter pylori urease and identification by immunological detection of its specific urease. | helicobacter pylori urease was recovered as a single peak by deae-sepharose column chromatography and sephacryl s-200 gel filtration. the purified urease was obtained by fast protein liquid chromatography using a mono q column. the purified urease preparation gave a single band in polyacrylamide gel disc electrophoresis. latex particles were sensitized with anti-urease immunoglobulin. the sensitized latex particles were agglutinated with the purified urease and by cell sonicates obtained from 55 ... | 1993 | 7505793 |
| discrimination among thermophilic campylobacter species by polymerase chain reaction amplification of 23s rrna gene fragments. | by comparing nucleic acid sequences determined for one of the most variable areas of 23s rrna genes of 23 campylobacter strains, we were able to identify regions specific for thermophilic campylobacter strains. oligonucleotide primers corresponding to these unique regions were synthesized and used in the polymerase chain reaction. one primer pair selectively detected all thermophilic campylobacter species, while four other primer pairs allowed discrimination among the thermophilic species campyl ... | 1993 | 7508460 |
| chicken as potential contamination source of campylobacter lari in iquitos, peru. | in order to know the importance of chicken as natural reservoir of campylobacter lari in iquitos, peru; samples were obtained by cloacal swabs from 200 chickens and immediately placed into a semisolid enrichment medium; these were streaked on modified skirrow agar. the organism was isolated from 21 (10.5%) samples, corresponding 58.8% to biovar i and 41.2% to biovar ii (lior scheme). the results provide evidence that chicken appear to be prominent reservoirs of campylobacter lari in iquitos. | 1994 | 7569622 |
| common somatic o and heat-labile serotypes among campylobacter strains from sporadic infections in the united states. | somatic o (formerly heat-stable) and heat-labile (hl) serotyping methods are commonly used to type campylobacter jejuni and campylobacter coli isolates. although both systems are effective, the labor and time required for each have limited their application. these systems can be simplified by reducing the number of antisera used. to find an appropriate panel of antisera, we determined the distribution of common serotypes in the united states among a representative sample of 298 campylobacter iso ... | 1993 | 7686183 |
| identification of campylobacter jejuni, campylobacter coli and campylobacter lari by the nucleic acid amplification system nasbar. | nasbar, an isothermal amplification technique for nucleic acids, was evaluated for the specific identification of campylobacter jejuni, camp. coli and camp. lari. a set of primers and a probe were chosen from the 16s rrna sequence of campylobacter. the probe was hybridized in solution with the amplified nucleic acids of 12 campylobacter species and nine other gram-negative bacteria. the probe was shown to hybridize specifically to the amplified single-stranded rna of camp. jejuni, camp. coli and ... | 1994 | 7822229 |
| development of species-specific dna probes for campylobacter jejuni, campylobacter coli, and campylobacter lari by polymerase chain reaction fingerprinting. | the application of polymerase chain reaction (pcr) fingerprinting assays enables discrimination between species and strains of microorganisms. pcr primers aiming at arbitrary sequences in combination with primers directed against the repetitive extragenic palindrome (rep) or enterobacterial repetitive intergenic consensus (eric) motifs generate isolate-specific dna banding patterns. analysis of these pcr fingerprints obtained for 33 isolates of campylobacter jejuni, 30 isolates of campylobacter ... | 1993 | 8314996 |
| helicobacter acinonyx sp. nov., isolated from cheetahs with gastritis. | four strains of a novel helicobacter species were isolated from the stomachs of cheetahs (acinonyx jubilatus) with gastritis. these isolates were phenotypically similar to helicobacter pylori. the isolates were gram-negative, spiral bacteria which grew under microaerophilic conditions at 37 degrees c, but not at 25 or 42 degrees c, and produced urease, catalase, oxidase, alkaline phosphatase, and gamma-glutamyl transpeptidase. the isolates did not ferment glucose, mannitol, inositol, sorbitol, r ... | 1993 | 8379970 |
| chronic diarrhea and bacteremia caused by campylobacter lari in a neonate. | | 1995 | 8527581 |
| the speciation and subtyping of campylobacter isolates from sewage plants and waste water from a connected poultry abattoir using molecular techniques. | in this study the distribution of phenotypes of campylobacter strains in sewage and surface waters was investigated by subtyping and by speciation of isolates from various aquatic environments. these environments included two municipal sewage plants (spa and spb) and waste water from a poultry abattoir (wwa). both the sewage plants spa and spb collected domestic and industrial waste, and spa received drain water from wwa. spb received no waste water from any meat-processing plant. the isolates w ... | 1995 | 8557080 |
| lipo-oligosaccharide of campylobacter lari strain pc 637. structure of the liberated oligosaccharide and an associated extracellular polysaccharide. | lipo-oligosaccharide from phenol-water extraction of cells of campylobacter lari strain pc 637 was separated as a water-insoluble gel of low relative molecular mass (m(r)) from a water-soluble extracellular polysaccharide of high m(r). structural investigations were performed on the lipo-oligosaccharide and the extracellular polysaccharide, variously using 1h, 13c, and 31p nmr spectroscopy, linkage analysis, and fast atom bombardment-mass spectrometry of permethylated derivatives of the glycans ... | 1995 | 8593625 |
| lipo-oligosaccharide of the campylobacter lari type strain atcc 35221. structure of the liberated oligosaccharide and an associated extracellular polysaccharide. | lipo-oligosaccharide (los) from phenol-water extraction of cells of the campylobacter lari type strain (atcc 35221) was separated as a water-insoluble gel of low relative molecular mass (m(r)) from a water-soluble extracellular polysaccharide of high m(r). structural investigations were performed on the liberated oligosaccharide and the extracellular polysaccharide, variously using 1h, 13c, and 31p nmr spectroscopy, linkage analysis, and fast atom bombardment-mass spectrometry of permethylated d ... | 1995 | 8593626 |
| reactive arthritis as a complication of campylobacter lari enteritis. | | 1995 | 8666853 |
| ciprofloxacin resistant campylobacter spp. in humans: an epidemiological and laboratory study. | from the end of april 1991 until the end of 1991, 2209 isolates of campylobacter spp. have been collected in plymouth phl of which 91 (4.1%) were resistant to ciprofloxacin. none of the 91 patients involved had taken a quinolone, but 30/91 (33%) had travelled abroad (16 to the iberian peninsula) in the three months preceding isolation of the ciprofloxacin-resistant campylobacter spp. in the case-control study 12/15 (80%) of the cases had recently consumed poultry as had 20/24 (83%) of controls w ... | 1996 | 8722540 |
| genotypic diversity of campylobacter lari isolated from mussels and oysters in the netherlands. | in order to gain insight into the epidemiology of campylobacter lari infection in the netherlands due to the consumption of raw mussels and oysters, batches of these shellfish were screened for the presence of campylobacter spp. during a 6 month period in 1993-1994. apparently, 41 out of 59 batches of mussels and 11 out of 41 batches of oysters were colonized with campylobacter spp. a subset of the isolates was further characterized by additional phenotypic tests, numerical analysis of electroph ... | 1997 | 9029257 |
| occurrence of thermotolerant campylobacter species in domestic and wild monkeys from peru. | the isolation rate of thermotolerant campylobacters in pet monkeys and wild monkeys was established. campylobacter spp. were isolated in 31.9% of the first (pet) group, being less frequent (20.9%) in the second (wild) (p > 0.05). in both groups, only biovars i and ii of c. jejuni ssp. jejuni and both biovars of c. coli were isolated (lior's scheme). campylobacter lari was not isolated. the results show that domestic and wild monkeys can harbour campylobacter in their intestinal tract and would b ... | 1997 | 9084234 |
| molecular discrimination between campylobacter jejuni, campylobacter coli, campylobacter lari and campylobacter upsaliensis by polymerase chain reaction based on a novel putative gtpase gene. | polymerase chain reaction (pcr) mediated dna fingerprinting has resulted in the identification of a novel campylobacter jejuni gene, encoding a gtpase protein. the gene, consisting of 383 amino acids contained semi-conserved gtp-binding sites (designated g-1 to g-4), that are characteristic for members of the gtpase protein superfamily. remarkably, this gene from c. jejuni appears to encode a member of a novel family of gtp-binding proteins, containing two separate putative gtp-binding domains, ... | 1997 | 9232616 |
| antimicrobial susceptibility patterns of thermophilic campylobacter spp. from humans, pigs, cattle, and broilers in denmark. | the mics of 16 antimicrobial agents were determined for 202 campylobacter jejuni isolates, 123 campylobacter coli isolates, and 6 campylobacter lari isolates from humans and food animals in denmark. the c. jejuni isolates originated from humans (75), broilers (95), cattle (29), and pigs (3); the c. coli isolates originated from humans (7), broilers (17), and pigs (99); and the c. lari isolates originated from broilers (5) and cattle (1). all isolates were susceptible to apramycin, neomycin, and ... | 1997 | 9333055 |
| specific detection and confirmation of campylobacter jejuni by dna hybridization and pcr. | conventional detection and confirmation methods for campylobacter jejuni are lengthy and tedious. a rapid hybridization protocol in which a 1,475-bp chromogen-labelled dna probe (pdt1720) and campylobacter strains filtered and grown on 0.22-micron-pore-size hydrophobic grid membrane filters (hgmfs) are used was developed. among the environmental and clinical isolates of c. jejuni, campylobacter coli, campylobacter jejuni subsp. doylei, campylobacter lari, and arcobacter nitrofigilis and a panel ... | 1997 | 9361442 |
| serotyping scheme for campylobacter jejuni and campylobacter coli based on direct agglutination of heat-stable antigens. | campylobacter is now the most frequently reported cause of gastrointestinal disease in england and wales, yet few isolates are characterized beyond the genus level. the majority of isolates are campylobacter jejuni (90%), with most of the remainder being campylobacter coli. we describe an adaptation of the penner serotyping scheme in which passive hemagglutination has been replaced by detection of heat-stable antigens by direct bacterial agglutination; absorbed antisera are used where appropriat ... | 1998 | 9466737 |
| typing of human campylobacter jejuni isolates in finland by pulsed-field gel electrophoresis. | a total of 69 pulsed-field gel electrophoresis (pfge) types were identified among 176 campylobacter jejuni isolates from finnish patients. in two geographic areas studied, five predominant pfge types comprised over 40% of the isolates. one-third of the isolates had unique pfge types. in small outbreaks, identical pfge patterns were demonstrated, indicating a common source of infection. | 1998 | 9620423 |
| rapid identification of diverse campylobacter lari strains isolated from mussels and oysters using a reverse hybridization line probe assay. | campylobacters isolated from mussels and oysters in the netherlands were analysed by a novel assay, based on dna amplification with primers, based on semiconserved gtp-binding sites of a putative gtpase gene. polymerase chain reaction (pcr) was followed by a single step reverse hybridization line probe assay (pcr-lipa). this permits identification of campylobacter jejuni, c. coli, c. lari and c. upsaliensis. among a group of 44 isolates, three c. jejuni, one c. upsaliensis, one double infection ... | 1998 | 9633652 |
| epidemiological typing of campylobacter isolates from meat processing plants by pulsed-field gel electrophoresis, fatty acid profile typing, serotyping, and biotyping. | campylobacter spp. are a leading cause of bacterial gastroenteritis. foods of animal origin, particularly under-cooked poultry, are common sources of campylobacter species associated with disease in humans. a collection of 110 campylobacter jejuni and 31 c. coli human and environmental isolates from different ontario, canada, abattoirs were analyzed by pulsed-field gel electrophoresis, fatty acid profile typing, and biotyping. previously collected serotyping data for the same isolates were also ... | 1998 | 9647797 |
| microtiter assay for detecting campylobacter spp. and helicobacter pylori with surface gangliosides which bind cholera toxin. | campylobacter jejuni with gm1 ganglioside in the core of its lipopolysaccharide has been associated with guillain-barré syndrome. since this epitope may be of considerable pathophysiologic importance and since this ganglioside binds cholera toxin, a rapid screening assay to detect bacteria that bind cholera toxin as an indication of gm1 on their surfaces was developed. in the assay, bacterial lawns were grown on agar plates, harvested with phosphate-buffered saline, boiled, and incubated with a ... | 1998 | 9650959 |
| purulent pleurisy caused by campylobacter lari. | an 80-year-old debilitated patient developed purulent pleurisy caused by a campylobacter lari isolate. the patient underwent surgical drainage and received antibiotic therapy with amoxicillin/clavulanic acid and ofloxacin. antibiotic susceptibility data showed that the isolate was fully sensitive to clarithromycin, tetracycline, aminoglycosides. and ciprofloxacin. imipenem and amoxicillin plus clavulanic acid were the most active beta-lactam agents. | 1998 | 9665300 |
| direct detection of eae-positive bacteria in human and veterinary colorectal specimens by pcr. | a pcr test based on the amplification of an eae-specific sequence was designed and evaluated for its ability to directly detect homologous sequences in enteropathogenic escherichia coli and citrobacter spp. (amplification of eae open reading frame, 178 bp) in sections of the intestines of humans and animals with colonic lesions. positive pcr results were observed with eae-positive reference strains of e. coli and citrobacter rodentium (citrobacter freundii biotype 4280). known eae-negative refer ... | 1998 | 9666014 |
| campylobacter lari associated with permanent pacemaker infection and bacteremia. | | 1998 | 9675486 |
| incidence and clinical manifestations of campylobacter enteritis in central taiwan. | campylobacter species are recognized as a major cause of acute gastroenteritis in humans throughout the world and are increasingly associated with the development of guillain-barré syndrome. the age distribution of persons and the seasonal patterns of campylobacter infection are different in many developed and developing countries. the present study reports the investigation of the clinical and epidemiologic features of campylobacter infections in central taiwan. | 1998 | 9684510 |
| discrimination of helicobacter pullorum and campylobacter lari by analysis of whole cell fatty acid extracts. | helicobacter pullorum and campylobacter lari are rarely isolated from humans with acute enteritis. hitherto the two species could only be identified by genotypic techniques. gas liquid chromatography of whole cell fatty acid extracts is described as the first phenotypic method for discrimination of the two species. cholesteryl glucoside, a characteristic feature of the genus helicobacter, but seldom found in other bacteria, could not be detected in helicobacter pullorum. therefore, rapid determi ... | 1998 | 9835030 |
| effect of low-osmolality nutrient media on growth and culturability of campylobacter species. | the growth and culturability of campylobacter jejuni nctc 11351 and other campylobacters were examined in media having different osmolalities at a range of temperatures (4, 25, and 42 degreesc). the medium osmolalities used ranged from the osmolality of full-strength nutrient medium (modified campylobacter broth having an osmolality of around 254 mosmol) down to 96 mosmol. the following two methods were used to produce media having different osmolalities: dilution of the nutrient medium with dis ... | 1998 | 9835543 |
| identification of the enteropathogens campylobacter jejuni and campylobacter coli based on the cadf virulence gene and its product. | campylobacter jejuni and campylobacter coli are common causes of gastroenteritis in humans. infection with c. jejuni or c. coli is commonly acquired by eating undercooked chicken. the goal of this study was to develop specific detection assays for c. jejuni and c. coli isolates based on the cadf virulence gene and its product. the cadf gene from c. jejuni and c. coli encodes a 37-kda outer membrane protein that promotes the binding of these pathogens to intestinal epithelial cells. a fragment of ... | 1999 | 9986804 |
| evaluation of accuracy and repeatability of identification of food-borne pathogens by automated bacterial identification systems. | the performances of five automated microbial identification systems, relative to that of a reference identification system, for their ability to accurately and repeatedly identify six common food-borne pathogens were assessed. the systems assessed were the microlog system (biolog inc., hayward, calif.), the microbial identification system (mis; midi inc., newark, del.), the vitek system (biomérieux vitek, hazelwood, mo.), the microscan walkaway 40 system (dade-microscan international, west sacra ... | 1999 | 10074506 |
| detection of cytolethal distending toxin activity and cdt genes in campylobacter spp. isolated from chicken carcasses. | this study was designed to determine whether isolates from chicken carcasses, the primary source of campylobacter jejuni and campylobacter coli in human infections, commonly carry the cdt genes and also whether active cytolethal distending toxin (cdt) is produced by these isolates. campylobacter spp. were isolated from all 91 fresh chicken carcasses purchased from local supermarkets. campylobacter spp. were identified on the basis of both biochemical and pcr tests. of the 105 isolates, 70 (67%) ... | 1999 | 10103243 |
| detection of small numbers of campylobacter jejuni and campylobacter coli cells in environmental water, sewage, and food samples by a seminested pcr assay. | a rapid and sensitive assay was developed for detection of small numbers of campylobacter jejuni and campylobacter coli cells in environmental water, sewage, and food samples. water and sewage samples were filtered, and the filters were enriched overnight in a nonselective medium. the enrichment cultures were prepared for pcr by a rapid and simple procedure consisting of centrifugation, proteinase k treatment, and boiling. a seminested pcr based on specific amplification of the intergenic sequen ... | 1999 | 10103261 |
| differentiation of campylobacter coli and c. jejuni by length and dna sequence of the 16s-23s rrna internal spacer region. | the internal spacer region (isr) between the 16s and 23s rrna genes of campylobacter was investigated by pcr fragment length typing and dna sequencing of clinical and chicken wild-type isolates. pcr fragment length typing showed one fragment of 859 nt in length for the 12 strains of campylobacter coli investigated. thirty-six of the campylobacter jejuni subsp. jejuni strains possessed one fragment, which varied in size between 727 and 802 nt. three strains showed two fragments between 501 and 92 ... | 1999 | 10206715 |
| the effect of a new sewage treatment plant on faecal indicator numbers, campylobacters and bathing water compliance in morecambe bay. | until recently, sewage from morecambe was macerated, but otherwise untreated, and discharged at high water via a short outfall pipe into morecambe bay adjacent to a recognized bathing water. in march 1997, a new biological sewage treatment plant came on-line and the effluent was discharged via a longer outfall pipe into the bay south of heysham. the effect of the new sewage treatment on the quality of the bathing waters was monitored by testing sea water collected from the three eu designated ba ... | 1999 | 10212406 |
| stability of related human and chicken campylobacter jejuni genotypes after passage through chick intestine studied by pulsed-field gel electrophoresis. | the genomic stability of 12 campylobacter jejuni strains consisting of two groups of human and chicken isolates was studied by analysis of their pfge (pulsed-field gel electrophoresis) patterns after passage through newly hatched chicks' intestines. the patterns of smai, sali, and sacii digests remained stable after intestinal passage, except for those of two strains. one originally human strain, fb 6371, changed its genotype from ii/a (smai/sacii) to i/b. another strain, bti, originally isolate ... | 1999 | 10224037 |
| rapid identification of thermotolerant campylobacter jejuni, campylobacter coli, campylobacter lari, and campylobacter upsaliensis from various geographic locations by a gtpase-based pcr-reverse hybridization assay. | recently, a gene from campylobacter jejuni encoding a putative gtpase was identified. based on two semiconserved gtp-binding sites encoded within this gene, pcr primers were selected that allow amplification of a 153-bp fragment from c. jejuni, c. coli, c. lari, and c. upsaliensis. sequence analysis of these pcr products revealed consistent interspecies variation, which allowed the definition of species-specific probes for each of the four thermotolerant campylobacter species. multiple probes we ... | 1999 | 10325325 |
| evaluation of the anaeropack campylo system for growth of microaerophilic bacteria. | growth of microaerophilic bacteria in the anaeropack campylo (mitsubishi gas chemical america, inc., new york, n.y.) atmosphere generation system was compared to growth in the campypak plus jar and campypak pouch (becton-dickinson microbiology systems [bdms], cockeysville, md.). growth in the anaeropack campylo system was considered equivalent to or better than growth obtained in the campypak plus and campypak pouch systems for 48 of the 50 helicobacter pylori strains and for all 28 campylobacte ... | 1999 | 10364622 |
| rapid detection, by pcr and reverse hybridization, of mutations in the helicobacter pylori 23s rrna gene, associated with macrolide resistance. | a pcr-based reverse hybridization system (research prototype kit inno-lipa for h. pylori resistance) was developed and evaluated for simultaneous detection of 23s ribosomal dna point mutations, associated with macrolide resistance in helicobacter pylori. fifty-seven h. pylori strains (51 natural, 6 laboratory-derived artificial, 52 resistant, and 5 susceptible strains) were tested by pcr-lipa (detecting mutations a2115-->g, g2141-->a, a2142-->g, a2142-->c, a2143-->g, a2143-->c, and a2143-->t), d ... | 1999 | 10390244 |
| specific pcr identification and differentiation of the thermophilic campylobacters, campylobacter jejuni, c. coli, c. lari, and c. upsaliensis. | a sensitive pcr assay that detects the thermophilic campylobacters c. jejuni, c. coli, c. lari, and c. upsaliensis is reported. furthermore, by digestion of the pcr products with two restriction enzymes, species differentiation was demonstrated. thus, the present method has the potential to be used for both detection and identification of thermophilic campylobacter species. | 1999 | 10488210 |
| large-scale survey of campylobacter species in human gastroenteritis by pcr and pcr-enzyme-linked immunosorbent assay. | a pcr-based study of the incidence of enteropathogenic campylobacter infection in humans was done on the basis of a detection and identification algorithm consisting of screening pcrs and species identification by pcr-enzyme-linked immunosorbent assay. this was applied to dna extracted from 3,738 fecal samples from patients with sporadic cases of acute gastroenteritis, submitted by seven regional public health laboratories in england and wales over a 2-year period. the sending laboratories had c ... | 1999 | 10565897 |
| rapid identification of campylobacter, arcobacter, and helicobacter isolates by pcr-restriction fragment length polymorphism analysis of the 16s rrna gene. | a rapid two-step identification scheme based on pcr-restriction fragment length polymorphism (pcr-rflp) analysis of the 16s rrna gene was developed in order to differentiate isolates belonging to the campylobacter, arcobacter, and helicobacter genera. for 158 isolates (26 reference cultures and 132 clinical isolates), specific rflp patterns were obtained and species were successfully identified by this assay. | 1999 | 10565952 |
| prevalence of campylobacter, arcobacter, helicobacter, and sutterella spp. in human fecal samples as estimated by a reevaluation of isolation methods for campylobacters. | the aims of this study were to investigate the prevalence of campylobacteria including campylobacter jejuni subsp. jejuni (c. jejuni) and campylobacter coli in human clinical samples and in samples from healthy individuals and to reevaluate the efficacies of conventional selective methods for isolation of campylobacter spp. two charcoal-based selective media, modified charcoal cefoperazone deoxycholate agar (mccda) and cefoperazone-amphotericin-teicoplanin (cat) agar, were compared with skirrow' ... | 2000 | 10618103 |
| genotyping of campylobacter spp. | | 2000 | 10618195 |
| improved repetitive-element pcr fingerprinting of salmonella enterica with the use of extremely elevated annealing temperatures. | modified thermal cycling conditions were explored in an effort to improve the reproducibility and resolving power of repetitive-element pcr (rep-pcr) fingerprinting. assay performance was rigorously evaluated under standard and modified cycling conditions, using as a test set 12 strains putatively representing 12 serovars of salmonella enterica. for all three fingerprint types (eric2, boxa1r, and composite fingerprints), the use of extremely elevated annealing temperatures plus an initial "touch ... | 2000 | 10702502 |
| identification of campylobacter jejuni, c. coli, c. lari, c. upsaliensis, arcobacter butzleri, and a. butzleri-like species based on the glya gene. | currently, the detection and identification of campylobacter and arcobacter species remains arduous, largely due to cross-species phenotypic similarities and a relatively narrow spectrum of biochemical reactivity. we have developed a pcr-hybridization strategy, wherein degenerate primers are used to amplify glya fragments from samples, which are then subjected to species-specific oligodeoxyribonucleotide probe hybridizations, to identify and distinguish between campylobacter jejuni, c. coli, c. ... | 2000 | 10747131 |
| molecular characterization of campylobacter jejuni from patients with guillain-barré and miller fisher syndromes. | campylobacter jejuni has been identified as the predominant cause of antecedent infection in guillain-barré syndrome (gbs) and miller fisher syndrome (mfs). the risk of developing gbs or mfs may be higher after infection with specific c. jejuni types. to investigate the putative clonality, 18 gbs- or mfs-related c. jejuni strains from the netherlands and belgium and 17 control strains were analyzed by serotyping (penner and lior), restriction fragment length polymorphism analysis of pcr products ... | 2000 | 10834992 |
| helicobacter canadensis sp. nov. isolated from humans with diarrhea as an example of an emerging pathogen. | we recently analyzed 11 helicobacter isolates cultured from diarrhea patients in canada. these isolates had been characterized biochemically by restriction fragment length polymorphism (rflp; alui, hhai) analysis and by fatty-acid analysis as helicobacter pullorum. however, four of the isolates differed biochemically from h. pullorum by their inability to hydrolyze indoxyl acetate and their resistance to nalidixic acid. using complete 16s rrna analysis, we determined that these four strains clus ... | 2000 | 10878041 |
| slaughter pigs are commonly infected by closely related but distinct gastric ulcerative lesion-inducing gastrospirilla. | an association between (unculturable) gastrospirillum-like organisms (glo) and ulcerative lesions in the pars oesophagea in stomachs of swine has been claimed. in dogs glo detected by microscopy may represent several helicobacter species or subspecies. therefore we investigated which helicobacter spp. are present in stomachs of swine and their possible association with ulcerative lesions of the pars oesophagea. the presence of helicobacter spp. in the antrum and pars oesophagea in 122 stomachs o ... | 2000 | 10878060 |
| rapid detection of campylobacter jejuni in stool specimens by an enzyme immunoassay and surveillance for campylobacter upsaliensis in the greater salt lake city area. | the alexon-trend, inc. (ramsey, minn.), prospect campylobacter microplate assay was compared with culture on a campy-cva plate (remel, lenexa, kans.) and blood-free campylobacter agar with cefoperazone (20 microg/ml), amphotericin b (10 microg/ml), and teicoplanin (4 microg/ml) (cat medium; oxoid limited, hampshire, england) with 631 patient stool samples. the cat medium was used to isolate campylobacter upsaliensis. the enzyme immunoassay (eia) had a sensitivity and a specificity of 89 and 99%, ... | 2000 | 10921981 |
| quantitative immunocapture pcr assay for detection of campylobacter jejuni in foods. | the rapid detection of food-borne bacterial pathogens as part of a quality control program is necessary for the maintenance of a safe food supply. in this report, we present our findings for an immunocapture pcr method for the detection of campylobacter jejuni in foods. the method permits direct detection of the pathogen without an enrichment step and can be performed in approximately 8 h. assay results are quantitative, and one cell in a milliliter sample can be detected. application of the met ... | 2000 | 10966437 |
| evaluation of a pcr primer based on the isocitrate dehydrogenase gene for detection of helicobacter pylori in feces. | in order to improve detection and identification of helicobacter pylori in highly contaminated samples, we evaluated new specific primers based on the dna base sequence within the isocitrate dehydrogenase (icd) gene to amplify a 1,200-bp dna segment. the specificity of the icd primer was tested against dna derived from various bacteria, including 7 helicobacter species and a panel of 1 gram-variable, 2 gram-positive, and 16 gram-negative bacteria, as well as dna from houseflies and feces from h. ... | 2000 | 11015397 |
| evaluation of the alexon-trend prospect campylobacter microplate assay. | we evaluated stool specimens known to contain or be free of campylobacter by traditional culture, using the prospect campylobacter microplate assay (alexon-trend, ramsey, minn.). this rapid enzyme immunoassay for the detection of campylobacter-specific antigens demonstrated 96% sensitivity and 99% specificity and is an acceptable alternative method of campylobacter detection. | 2000 | 11015419 |
| detection and characterization of autoagglutination activity by campylobacter jejuni. | in several gram-negative bacterial pathogens, autoagglutination (aag) activity is a marker for interaction with host cells and virulence. campylobacter jejuni strains also show aag, but this property varies considerably among strains. to examine the characteristics of c. jejuni aag, we developed a quantitative in vitro assay. for strain 81-176, which shows high aag, activity was optimal for cells grown for < or = 24 h, was independent of growth temperature, and was best measured for cells suspen ... | 2000 | 11035721 |
| identification of ciprofloxacin-resistant campylobacter jejuni by use of a fluorogenic pcr assay. | fluoroquinolones are one class of antimicrobial agents commonly used to treat severe campylobacter jejuni infection. c. jejuni strains resistant to high levels of the fluoroquinolone ciprofloxacin (mic >/=16 microg/ml) have been predominantly characterized with a c-->t transition in codon 86 of gyra. the gyra gene encodes one subunit of dna gyrase, which is a primary target for fluoroquinolone antibiotics. this study establishes a rapid pcr-based taqman method for identifying ciprofloxacin-resis ... | 2000 | 11060054 |
| [campylobacter lari bacteremia (letter)]. | | 2000 | 11072360 |
| campylobacter jejuni cytolethal distending toxin mediates release of interleukin-8 from intestinal epithelial cells. | live cells of campylobacter jejuni and campylobacter coli can induce release of interleukin-8 (il-8) from int407 cells. additionally, membrane fractions of c. jejuni 81-176, but not membrane fractions of c. coli strains, can also induce release of il-8. membrane preparations from 81-176 mutants defective in any of the three membrane-associated protein subunits of cytolethal distending toxin (cdt) were unable to induce il-8. the presence of the three cdt genes on a shuttle plasmid in trans restor ... | 2000 | 11083762 |
| identification of taxonomic and epidemiological relationships among campylobacter species by numerical analysis of aflp profiles. | amplified fragment length polymorphism (aflp)-based profiling was performed on 138 strains representing all named campylobacter species and subspecies. profiles of 15/16 species comprised 6 to greater than 100 fragments and were subjected to numerical analysis. the mean similarity of 48 duplicate, outbreak and/or 'identical' strain profiles exceeded 94%. species were clearly distinguished at the 17.90% similarity (s-) level in the dendrogram. subspecies of campylobacter jejuni and campylobacter ... | 2000 | 11094296 |
| purification, characterization and sequence analysis of omp50,a new porin isolated from campylobacter jejuni. | a novel pore-forming protein identified in campylobacter was purified by ion-exchange chromatography and named omp50 according to both its molecular mass and its outer membrane localization. we observed a pore-forming ability of omp50 after re-incorporation into artificial membranes. the protein induced cation-selective channels with major conductance values of 50-60 ps in 1 m nacl. n-terminal sequencing allowed us to identify the predicted coding sequence cj1170c from the campylobacter jejuni g ... | 2000 | 11104668 |
| antimicrobial properties of garlic oil against human enteric bacteria: evaluation of methodologies and comparisons with garlic oil sulfides and garlic powder. | the antimicrobial effects of aqueous garlic extracts are well established but those of garlic oil (go) are little known. methodologies for estimating the antimicrobial activity of go were assessed and go, go sulfide constituents, and garlic powder (gp) were compared in tests against human enteric bacteria. test methodologies were identified as capable of producing underestimates of go activity. antimicrobial activity was greater in media lacking tryptone or cysteine, suggesting that, as for alli ... | 2001 | 11133485 |
| the effects of uvb and temperature on the survival of natural populations and pure cultures of campylobacter jejuni, camp. coli, camp. lari and urease-positive thermophilic campylobacters (uptc) in surface waters. | to determine whether diurnal and seasonal variations in campylobacters in surface waters result from the effects of temperature and u.v. radiation, and whether natural populations of campylobacter lari and urease-positive thermophilic campylobacters (uptc) from birds survive better in surface waters than camp. jejuni from sewage. | 2001 | 11168729 |
| detection of thermophilic campylobacter from sparrows by multiplex pcr: the role of sparrows as a source of contamination of broilers with campylobacter. | the best combination of primers and the annealing temperature of multiplex pcr for campylobacter jejuni, campylobacter coli, and campylobacter lari were examined. the multiplex pcr was able to detect type strains of the three species. all results of identification of wild strains (30 strains of c. jejuni, 20 strains of c. coli, and 4 strains of c. lari) by the multiplex pcr coincided with those of the conventional biochemical identification tests, suggesting that the multiplex pcr can simultaneo ... | 2000 | 11193345 |
| national surveillance of campylobacter in broilers at slaughter in denmark in 1998. | a surveillance study for thermophilic campylobacter spp. in broiler flocks was carried out for the year 1998 in denmark. the study included examinations of 4286 broiler flocks comprising samples from 57,000 birds. overall, a flock prevalence of 46.0% was recorded. the species distribution was campylobacter jejuni 86%, campylobacter coli 11%, campylobacter lari 1%, other not further diagnosed species 2%. the prevalence was significantly higher in the period from june to october (3.2 < odds ratio ... | 2000 | 11195660 |
| campylobacter lari bacteremia. | | 2001 | 11298152 |
| identification of thermophilic campylobacter spp. by phenotypic and molecular methods. | the differences between phenotyping and genotyping (polymerase chain reaction- restriction fragment length polymorphism) of campylobacter jejuni, campylobacter coli, campylobacter lari and campylobacter upsaliensis were assessed. | 2001 | 11298244 |
| rapid identification of campylobacter spp. by melting peak analysis of biprobes in real-time pcr. | we describe rapid pcr-biprobe identification of campylobacter spp. this is based on real-time pcr with product analysis in the same system. the assay identifies enteropathogenic campylobacters to the species level on the basis of their degree of hybridization to three 16s ribosomal dna (rdna) biprobes. first-round symmetric pcr is performed with genus-specific primers which selectively target and amplify a portion of the 16s rrna gene common to all campylobacter species. second-round asymmetric ... | 2001 | 11376061 |
| comparison of genotypes and serotypes of campylobacter jejuni isolated from danish wild mammals and birds and from broiler flocks and humans. | the incidence of human infection with campylobacter jejuni is increasing in most developed countries and the reason for this is largely unknown. although poultry meat is considered to be a major source, it is evident that other reservoirs exist, possibly common to humans and poultry. environmental sources are believed to be important reservoirs of campylobacter infection in broiler chicken flocks. we investigated the potential importance of wildlife as a source of infection in commercial poultry ... | 2001 | 11425730 |
| evaluation of methods for subtyping campylobacter jejuni during an outbreak involving a food handler. | in october 1998, the centers for disease control and prevention (cdc) assisted in an investigation of an outbreak of campylobacteriosis at a school in salina, kansas. twenty-two isolates were submitted from the kansas state public health laboratory to cdc, 9 associated with the outbreak and 13 epidemiologically unrelated sporadic isolates. pulsed-field gel electrophoresis (pfge) using smai and sali was initially used to validate the epidemiologic data. we then tested the ability of other subtypi ... | 2001 | 11427543 |
| helicobacter winghamensis sp. nov., a novel helicobacter sp. isolated from patients with gastroenteritis. | from 1997 to 1999 seven isolates of campylobacter-like organisms from five patients that were exhibiting symptoms of gastroenteritis, including fever, stomach malaise, and diarrhea, were investigated. the organisms were isolated from stool samples and found to exhibit a diverse colony morphology; hence multiple isolates were submitted from one of the patients. all isolates were found to be identical. the organisms were catalase, urease, alkaline phosphatase, and nitrate negative but oxidase and ... | 2001 | 11427547 |
| genomic heterogeneity and o-antigenic diversity of campylobacter upsaliensis and campylobacter helveticus strains isolated from dogs and cats in germany. | a serotyping scheme based on heat-stable surface antigens was established for 101 campylobacter upsaliensis and 10 campylobacter helveticus strains isolated from 261 dogs and 46 cats of different ages originating from two geographically distinct regions in germany. the prevalence of c. upsaliensis varied between 27.8% in juvenile dogs (<12 months of age) and 55.4% in adult dogs (p < 0.05). of the cats, 19.6% harbored c. upsaliensis, whereas 21.7% carried c. helveticus. of the c. upsaliensis isol ... | 2001 | 11427567 |
| differentiation of campylobacter species by aflp fingerprinting. | the fluorescent amplified fragment length polymorphism (aflp) fingerprinting method was tested for its ability to identify and subtype the most important campylobacter species found in veterinary infections. sixty-nine reference strains and 19 clinical isolates of campylobacter jejuni subsp. jejuni, campylobacter jejuni subsp. doylei, campylobacter upsaliensis, campylobacter coli, campylobacter lari, campylobacter fetus subsp. fetus, c. fetus subsp. venerealis, campylobacter hyointestinalis subs ... | 2001 | 11577152 |
| evaluation of a pcr/dna probe colorimetric membrane assay for identification of campylobacter spp. in human stool specimens. | dna was extracted from 50 human stool specimens using the qiaamp dna stool minikit. pcr amplification was followed by post-pcr hybridization to dna probes specific for the campylobacter genus, campylobacter jejuni, and campylobacter coli in a colorimetric membrane assay. thirty-two of 38 culture-positive specimens were pcr/dna probe positive for c. jejuni. the assay is rapid and simple and can be applied to stool specimens for the detection of campylobacter. | 2001 | 11682549 |
| detection of hepatitis a virus by the nucleic acid sequence-based amplification technique and comparison with reverse transcription-pcr. | a nucleic acid sequence-based amplification (nasba) technique for the detection of hepatitis a virus (hav) in foods was developed and compared to the traditional reverse transcription (rt)-pcr technique. oligonucleotide primers targeting the vp1 and vp2 genes encoding the major hav capsid proteins were used for the amplification of viral rna in an isothermal process resulting in the accumulation of rna amplicons. amplicons were detected by hybridization with a digoxigenin-labeled oligonucleotide ... | 2001 | 11722911 |
| evaluation of a novel heminested pcr assay based on the phosphoglucosamine mutase gene for detection of helicobacter pylori in saliva and dental plaque. | a novel heminested pcr protocol was developed for the specific detection of helicobacter pylori at low copy numbers. a set of primers specific for the phosphoglucosamine mutase gene (glmm) of h. pylori produced a 765-bp fragment that was used as template for the heminested primer pair delineating a 496-bp fragment. by using agarose gel electrophoresis for detection of the heminested pcr-amplified products, amplification of h. pylori genomic dna was achieved at concentrations as low as 0.1 pg, eq ... | 2002 | 11773117 |
| thermophilic campylobacters in surface water: a potential risk of campylobacteriosis. | campylobacteriosis caused by campylobacter jejuni, campylobacter coli and campylobacter lari is one of the most frequently occurring acute gastroenteritis diseases in humans. an important risk factor is untreated drinking water. thermotolerant campylobacters were isolated from bø river water using 100-ml filtrate samples. campylobacters were isolated from 32 of 60 samples (53.3%). of the 75 strains isolated, 47 (62.7%) were detected using the enrichment procedure and 28 (37.2%) by direct plating ... | 2001 | 11798419 |
| identification of campylobacter heat-stable and heat-labile antigens by combining the penner and lior serotyping schemes. | | 2002 | 11880386 |
| fatal case of campylobacter lari prosthetic joint infection and bacteremia in an immunocompetent patient. | campylobacter lari is an infrequent cause of intestinal and extraintestinal infection in humans. we report a case of c. lari prosthetic joint infection and bacteremia in an 81-year-old immunocompetent man. the infection was associated with septic shock and fatal outcome. c. lari may cause severe disease, even in an immunocompetent host. | 2002 | 11880437 |
| development and application of a new scheme for typing campylobacter jejuni and campylobacter coli by pcr-based restriction fragment length polymorphism analysis. | a molecular typing approach for campylobacter jejuni and campylobacter coli was developed with restriction fragment length polymorphism analysis of a 9.6-kb pcr-amplified portion of the lipopolysaccharide gene cluster. sixty-one penner serotype reference strains were analyzed with this new genotyping scheme, and 32 genogroups were found. eleven additional genogroups were obtained from 87 clinical c. jejuni strains tested. this molecular typing method shows a correlation with the penner heat-stab ... | 2002 | 11980961 |
| recurrent septicemia due to campylobacter fetus and campylobacter lari in an immunocompetent patient. | we describe a severe and recurrent septicemia due to campylobacter in a 75-year-old immunocompetent patient. two campylobacter strains were detected in several blood cultures. campylobacter fetus and campylobacter lari were identified with pcr tests based on species-specific nucleotide sequences for the 16s rrna gene. | 2002 | 12120946 |
| prevalence of thermophilic campylobacter spp. in ready-to-eat foods and raw poultry in northern ireland. | although there have been numerous studies investigating the prevalence of campylobacters in animals and raw meats, there are limited data on the persistence of these organisms in ready-to-eat (rte) foodstuffs. although poultry is now well established as a major reservoir of thermophilic campylobacters, it is widely assumed that hazard analysis critical control point (haccp) controls in commercial and industrial settings are effective in eliminating this hazard through thorough cooking of rte pro ... | 2002 | 12182488 |
| genetic diversity and relationships of campylobacter species and subspecies. | the existence of tremendous genetic diversity within campylobacter species has been well documented. to analyse the population structure of campylobacter and determine whether or not a clonal population structure could be detected, genetic diversity was assessed within the genus campylobacter by multilocus enzyme electrophoresis of 156 isolates representing 11 species and subspecies from disparate sources. analyses of electrophoretic mobility of 11 enzymes revealed 109 electrophoretic types (ets ... | 2002 | 12361288 |
| prevalence of campylobacter jejuni, campylobacter lari, and campylobacter coli in different ecological guilds and taxa of migrating birds. | a total of 1,794 migrating birds trapped at a coastal site in southern sweden were sampled for detection of campylobacter spp. all isolates phenotypically identified as campylobacter jejuni and a subset of those identified as non-c. jejuni were identified to the species level by pcr-based techniques. c. jejuni was found in 5.0% of the birds, campylobacter lari was found in 5.6%, and campylobacter coli was found in 0.9%. an additional 10.7% of the tested birds were infected with hippurate hydroly ... | 2002 | 12450810 |
| campylobacter jejuni in black-headed gulls (larus ridibundus): prevalence, genotypes, and influence on c. jejuni epidemiology. | campylobacteriosis is a zoonotic disease in which birds have been suggested to play an important role as a reservoir. we investigated the prevalence of campylobacter jejuni subsp. jejuni in black-headed gulls (larus ridibundus) in southern sweden with the aim of examining the nature of c. jejuni infection in this bird species. birds were sampled in four sampling series each year during 1999 (n = 419) and 2000 (n = 365). longitudinally sampled c. jejuni isolates from individual gulls were subject ... | 2002 | 12454158 |
| fluoroquinolone resistance in campylobacter species from man and animals: detection of mutations in topoisomerase genes. | consecutive isolates of quinolone-resistant campylobacter isolated over a 5 year period (1990-1995) from the faeces of patients with enteritis in plymouth, uk, were examined for the epidemiology of mutations in gyra (n = 127). in addition, clinical isolates and poultry isolates from germany, the netherlands and other regions of the uk collected before 1995 were examined for mutations in the quinolone resistance-determining region of gyra by single-stranded conformational polymorphism analysis an ... | 2003 | 12493783 |
| evaluation of 11 pcr assays for species-level identification of campylobacter jejuni and campylobacter coli. | we examined the sensitivity and specificity of 11 pcr assays described for the species identification of campylobacter jejuni and campylobacter coli by using 111 type, reference, and field strains of c. jejuni, c. coli, and campylobacter lari. for six assays, an additional 21 type strains representing related campylobacter, arcobacter, and helicobacter species were also included. pcr tests were initially established in the laboratory by optimizing conditions with respect to five type and referen ... | 2003 | 12517869 |