TitleAbstractYear(sorted ascending)
a review of sexually transmitted bovine trichomoniasis and campylobacteriosis affecting cattle reproductive health.the objective is to discuss sexually transmitted diseases caused by tritrichomonas foetus (t foetus) and campylobacter fetus (c fetus) subsp. venerealis, with a focus on prevalence, pathogenesis, and diagnosis in cows and bulls. diagnosis and control are problematic because these diseases cause severe reproductive losses in cows, but in bulls are clinically asymptomatic, which allows the disease to flourish, especially in the absence of legislated control programs. we review research regarding p ...201626679515
[bloodstream infection due to campylobacter fetus subspecies fetus and skin involvement: a case series of three patients].among the species of campylobacter, c. fetus subspecies fetus is characterized by extra-intestinal manifestations, including bloodstream and cardiovascular infections, occurring preferentially in the context of immunosuppression. the cutaneous lesions are rarely described but may be underestimated.201626427559
campylobacter fetus bacteremia in a healthy patient returning from a trip to the ecuadorian amazonia.campylobacter fetus is an opportunistic pathogen which causes bacteremia and other invasive infections in immunocompromised patients who have been exposed to livestock or ingested animal products (uncooked meat or unpasteurized milk). the present report describes a c. fetus infection in a healthy adult (immunocompetent) who returned from a visit to the ecuadorian amazonia and who did not report exposure to the typical sources of infection.201628026907
a case of defibrillator-associated infective endocarditis due to campylobacter fetus.campylobacter spp. are gram-negative, spiral motile bacteria. infections caused by campylobacter fetus are frequently of invasive character, but they are very rare. the described case of infection of a cardioverter defibrillator implantation site was effectively cured with antibiotics, but it required removal of the cardioverter defibrillator.201627473849
tubo-ovarian abscess with endometrial cyst probably infected by campylobacter fetus: two cases.campylobacter fetus often causes systemic infection in immunocompromised or older patients, and prenatal infection, but campylobacter has rarely been reported as a cause of adnexitis in healthy young women. here we report two cases of endometriotic cysts infected by c. fetus for the first time. in case 1, a 28-year-old woman with a left adnexal cyst was hospitalized for left tubo-ovarian abscess and underwent left salpingo-oophorectomy. in case 2, a 22-year-old woman with a right adnexal cyst wa ...201627080623
crystal-induced arthritis after arthroplasty: 7 describe the occurrence in prosthetic joints of crystal-induced arthritis (cia) defined as the deposition within the synovial membrane and/or joint cavity of calcium pyrophosphate dehydrate (cppd) (chondrocalcinosis), sodium urate (gout), or hydroxyapatite.201627020953
steak tartare endocarditis.this report describes a case of campylobacter fetus prosthetic valve infective endocarditis and discusses the subsequent management. although c. fetus has a tropism for vascular endothelium, infective endocarditis has rarely been reported. in this patient, despite initial optimal antimicrobial therapy, valve replacement was ultimately required due to ongoing infectious emboli to the brain in the setting of evidence of vegetation enlargement on echocardiogram. the prosthetic valve was replaced, t ...201626917729
infectious spondylitis in a patient with chronic kidney disease: identification of campylobacter fetus subsp. testudinum by 16s ribosomal rna sequencing.we report the first case of spondylitis with bacteremia caused by campylobacter fetus subsp. testudinum identified by 16s ribosomal ribonucleic acid (rrna) gene sequencing. an 81-year-old man presented with fever and general weakness. his medical history included end-stage renal disease, hypertension, and type 2 diabetes. despite empirical antibiotic treatment, his fever and back pain persisted. magnetic resonance imaging with gadolinium enhancement showed a low-signal-intensity lesion in t1-wei ...201626743148
a novel real-time pcr assay for quantitative detection of campylobacter fetus based on ribosomal sequences.campylobacter fetus is a pathogen of major concern for animal and human health. the species shows a great intraspecific variation, with three subspecies: c. fetus subsp. fetus, c. fetus subsp. venerealis, and c. fetus subsp. testudinum. campylobacter fetus fetus affects a broad range of hosts and induces abortion in sheep and cows. campylobacter fetus venerealis is restricted to cattle and causes the endemic disease bovine genital campylobacteriosis, which triggers reproductive problems and is r ...201627978826
complete genome sequence of type strain campylobacter fetus subsp. fetus atcc 27374.campylobacter fetus subsp. fetus is a zoonotic bacterium important for animal and public health. the complete sequencing and annotation of the genome of the type strain c. fetus subsp. fetus atcc 27374 are reported here.201627979934
antimicrobial usage and resistance in beef production.antimicrobials are critical to contemporary high-intensity beef production. many different antimicrobials are approved for beef cattle, and are used judiciously for animal welfare, and controversially, to promote growth and feed efficiency. antimicrobial administration provides a powerful selective pressure that acts on the microbial community, selecting for resistance gene determinants and antimicrobial-resistant bacteria resident in the bovine flora. the bovine microbiota includes many harmles ...201627999667
contained rupture of a mycotic infrarenal aortic aneurysm infected with campylobacter fetus.mycotic abdominal aortic aneurysms (maaas) are rare entities accounting for 0.65-2% of aortic aneurysms. campylobacter fetus has a tropism for vascular tissue and is a rare cause of mycotic aneurysm. we present a 73-year-old male patient with contained rupture of a maaa caused by c. fetus, successfully treated with endovascular aortic repair (evar) and antibiotics, which is not previously described for this aetiology. although open surgery is the gold standard, evar is nowadays feasible and pote ...201627852656
long-term impact after fulminant guillain-barré syndrome, case report and literature review.a 47-year-old man was admitted to the intensive care unit a few hours after presenting to emergency department with acute diplopia and dysphonia. swallowing disorders and respiratory muscular weakness quickly required invasive ventilation. on day 3, the patient was in a "brain-death"-like state with deep coma and absent brainstem reflexes. electroencephalogram ruled out brain death diagnosis as a paradoxical sleep trace was recorded. cerebrospinal fluid analysis, electrophysiologic studies, and ...201627853394
infective abdominal aortitis due to campylobacter fetus bacteremia: a case report and review of literature.infectious aortitis (ia) is a rare but life-threatening condition, and most commonly affects the abdominal aorta or thoracic aorta. various microorganisms have been associated with infectious thoracic aortitis, most commonly staphylococcus, enterococcus, streptococcus, and salmonella species. campylobacter fetus (c. fetus) has been seen as a cause of infective aortitis only in a few case reports. we report a rare case of infective aortitis of the abdominal aorta caused due to c. fetus bacteremia ...201627904826
chronic subdural hematoma.chronic subdural hematoma (csdh) is one of the most common neurosurgical conditions. there is lack of uniformity in the treatment of csdh amongst surgeons in terms of various treatment strategies. clinical presentation may vary from no symptoms to unconsciousness. csdh is usually diagnosed by contrast-enhanced computed tomography scan. magnetic resonance imaging (mri) scan is more sensitive in the diagnosis of bilateral isodense csdh, multiple loculations, intrahematoma membranes, fresh bleeding ...201627695533
whole genome sequence analysis indicates recent diversification of mammal-associated campylobacter fetus and implicates a genetic factor associated with h2s production.campylobacter fetus (c. fetus) can cause disease in both humans and animals. c. fetus has been divided into three subspecies: c. fetus subsp. fetus (cff), c. fetus subsp. venerealis (cfv) and c. fetus subsp. testudinum (cft). subspecies identification of mammal-associated c. fetus strains is crucial in the control of bovine genital campylobacteriosis (bgc), a syndrome associated with cfv. the prescribed methods for subspecies identification of the cff and cfv isolates are: tolerance to 1 % glyci ...201627599479
an overview of the control of bacterial pathogens in cattle manure.cattle manure harbors microbial constituents that make it a potential source of pollution in the environment and infections in humans. knowledge of, and microbial assessment of, manure is crucial in a bid to prevent public health and environmental hazards through the development of better management practices and policies that should govern manure handling. physical, chemical and biological methods to reduce pathogen population in manure do exist, but are faced with challenges such as cost, odor ...201627571092
complete genome sequences of campylobacter hyointestinalis subsp. hyointestinalis strain lmg 9260 and c. hyointestinalis subsp. lawsonii strain lmg 15993.campylobacter hyointestinalis is isolated primarily from ruminants and swine, but is also occasionally isolated from humans. c. hyointestinalis is currently divided into two subspecies, c. hyointestinalis subsp. hyointestinalis and c. hyointestinalis subsp. lawsonii this study describes the first closed whole-genome sequences of c. hyointestinalis subsp. hyointestinalis isolate lmg 9260 and c. hyointestinalis subsp. lawsonii isolate lmg 15993.201627417840
characterization of the microbial communities along the gastrointestinal tract of sheep by 454 pyrosequencing analysis.the gastrointestinal tract of sheep contain complex microbial communities that influence numerous aspects of the sheep's health and development. the objective of this study was to analyze the composition and diversity of the microbiota in the gastrointestinal tract sections (rumen, reticulum, omasum, abomasum, duodenum, jejunum, ileum, cecum, colon, and rectum) of sheep.201627383798
characterization of the microbial communities along the gastrointestinal tract of sheep by 454 pyrosequencing analysis.the gastrointestinal tract of sheep contain complex microbial communities that influence numerous aspects of the sheep's health and development. the objective of this study was to analyze the composition and diversity of the microbiota in the gastrointestinal tract sections (rumen, reticulum, omasum, abomasum, duodenum, jejunum, ileum, cecum, colon, and rectum) of sheep.201627383798
clinical and epidemiological analysis of campylobacter fetus subsp. fetus infections in humans and comparative genetic analysis with strains isolated from cattle.campylobacter fetus subspecies fetus (cff) is an important pathogen for both cattle and humans. we performed a systematic epidemiological and clinical study of patients and evaluated the genetic relatedness of 17 human and 17 bovine cff isolates by using different genotyping methods. in addition, the serotype, the dissemination of the genomic island containing a type iv secretion system (t4ss) and resistance determinants for tetracycline and streptomycin were also evaluated.201627177684
rapid identification and multiple susceptibility testing of pathogens from positive-culture sterile body fluids by a combined maldi-tof mass spectrometry and vitek susceptibility system.infections of the bloodstream, central nervous system, peritoneum, joints, and other sterile areas are associated with high morbidity and sequelae risk. timely initiation of effective antimicrobial therapy is crucial to improving patient prognosis. however, standard final identification and antimicrobial susceptibility tests (asts) are reported 16-48 h after a positive alert. for a rapid, effective and low-cost diagnosis, we combined matrix-assisted laser desorption/ionization time of flight mas ...201627148212
campylobacter jejuni fatal sepsis in a patient with non-hodgkin's lymphoma: case report and literature review of a difficult diagnosis.campylobacter jejuni (c. jejuni) bacteremia is difficult to diagnose in individuals with hematological disorders undergoing chemotherapy. the cause can be attributed to the rarity of this infection, to the variable clinical presentation, and to the partial overlapping symptoms underlying the disease. here, we report a case of a fatal sepsis caused by c. jejuni in a 76-year-old caucasian man with non-hodgkin's lymphoma. after chemotherapeutic treatment, the patient experienced fever associated wi ...201627077849
campylobacter fetus subspecies contain conserved type iv secretion systems on multiple genomic islands and plasmids.the features contributing to differences in pathogenicity of the campylobacter fetus subspecies are unknown. putative factors involved in pathogenesis are located in genomic islands that encode a type iv secretion system (t4ss) and fic domain (filamentation induced by cyclic amp) proteins, which may disrupt host cell processes. in the genomes of 27 c. fetus strains, three phylogenetically-different t4ss-encoding regions (t4sss) were identified: one was located in both the chromosome and in extra ...201627049518
insights on alterations to the rumen ecosystem by nitrate and nitrocompounds.nitrate and certain short chain nitrocompounds and nitro-oxy compounds are being investigated as dietary supplements to reduce economic and environmental costs associated with ruminal methane emissions. thermodynamically, nitrate is a preferred electron acceptor in the rumen that consumes electrons at the expense of methanogenesis during dissimilatory reduction to an intermediate, nitrite, which is primarily reduced to ammonia although small quantities of nitrous oxide may also be produced. shor ...201626973609
ultrafiltration and microarray for detection of microbial source tracking marker and pathogen genes in riverine and marine systems.pathogen identification and microbial source tracking (mst) to identify sources of fecal pollution improve evaluation of water quality. they contribute to improved assessment of human health risks and remediation of pollution sources. an mst microarray was used to simultaneously detect genes for multiple pathogens and indicators of fecal pollution in freshwater, marine water, sewage-contaminated freshwater and marine water, and treated wastewater. dead-end ultrafiltration (deuf) was used to conc ...201626729716
nitrate and inhibition of ruminal methanogenesis: microbial ecology, obstacles, and opportunities for lowering methane emissions from ruminant livestock.ruminal methane production is among the main targets for greenhouse gas (ghg) mitigation for the animal agriculture industry. many compounds have been evaluated for their efficacy to suppress enteric methane production by ruminal microorganisms. of these, nitrate as an alternative hydrogen sink has been among the most promising, but it suffers from variability in efficacy for reasons that are not understood. the accumulation of nitrite, which is poisonous when absorbed into the animal's circulat ...201626904008
reptile toll-like receptor 5 unveils adaptive evolution of bacterial flagellin recognition.toll-like receptors (tlr) are ancient innate immune receptors crucial for immune homeostasis and protection against infection. tlrs are present in mammals, birds, amphibians and fish but have not been functionally characterized in reptiles despite the central position of this animal class in vertebrate evolution. here we report the cloning, characterization, and function of tlr5 of the reptile anolis carolinensis (green anole lizard). the receptor (actlr5) displays the typical tlr protein archit ...201626738735
effect of sample pooling and transport conditions on the clinical sensitivity of a real-time polymerase chain reaction assay for campylobacter fetus subsp. venerealis in preputial samples from bulls.the diagnosis of bovine genital campylobacteriosis (bgc) presents significant challenges, as traditional methods lack sensitivity when prolonged transport of samples is required. assays of preputial samples by means of real-time polymerase chain reaction (pcr) provide good sensitivity and high throughput capabilities. however, there is limited information on the acceptable duration of transport and temperature during transport of samples. in addition, the use of pooled samples has proven to be a ...201626733730
comparative genomics of h. pylori and non-pylori helicobacter species to identify new regions associated with its pathogenicity and adaptability.the genus helicobacter is a group of gram-negative, helical-shaped pathogens consisting of at least 36 bacterial species. helicobacter pylori (h. pylori), infecting more than 50% of the human population, is considered as the major cause of gastritis, peptic ulcer, and gastric cancer. however, the genetic underpinnings of h. pylori that are responsible for its large scale epidemic and gastrointestinal environment adaption within human beings remain unclear. core-pan genome analysis was performed ...201628078297
assessing the intra-species genetic variability in the clonal pathogen campylobacter fetus: crisprs are highly polymorphic dna markers.campylobacter fetus is a gram-negative, microaerophilic bacterium that infects animals and humans. the subspecies campylobacter fetus subsp. fetus (cff) affects a broad range of vertebrate hosts and induces abortion in cows and sheep. campylobacter fetus subsp. venerealis (cfv) is restricted to cattle and causes the endemic disease bovine genital campylobacteriosis, which triggers reproductive problems and is responsible for major economic losses. campylobacter fetus subsp. testudinum (cft) has ...201727867047
campylobacter-associated diseases in animals.campylobacter includes a group of genetically diverse species causing a range of diseases in animals and humans. the bacterium is frequently associated with two economically important and epidemiologically distinct reproductive diseases in ruminants: enzootic infectious infertility in cattle owing to campylobacter fetus subsp. venerealis and abortions in sheep, goats, and cattle. septic abortion, usually epizootic in sheep, has been historically associated with c. fetus subsp. fetus and to a les ...201727860495
isolation, identification and differentiation of campylobacter spp. using multiplex pcr assay from goats in khartoum state, sudan.the aim of this study was to identify and characterize thermophilic campylobacter species in faecal samples from goats in khartoum state, sudan, by application of multiplex polymerase chain reaction. campylobacteriosis is a zoonotic disease of global concern, and the organisms can be transmitted to human via food, water and through contact with farm animals and pets. there are five clinically related campylobacter species: campylobacter jejuni (c. jejuni). campylobacter coli, campylobacter lari, ...201728160162
epsilonproteobacterial hydroxylamine oxidoreductase (εhao): characterization of a 'missing link' in the multihaem cytochrome c family.members of the multihaem cytochrome c (mcc) family such as pentahaem cytochrome c nitrite reductase (nrfa) or octahaem hydroxylamine oxidoreductase (hao) are involved in various microbial respiratory electron transport chains. some members of the hao subfamily, here called εhao proteins, have been predicted from the genomes of nitrate/nitrite-ammonifying bacteria that usually lack nrfa. here, εhao proteins from the host-associated epsilonproteobacteria campylobacter fetus and campylobacter curvu ...201728388834
motility of campylobacter concisus isolated from saliva, feces, and gut mucosal biopsies.campylobacter concisus is an emerging pathogen associated with gastrointestinal disorders such as gastroenteritis and inflammatory bowel diseases (ibd), but the species is also found in healthy subjects. the heterogeneous genome of c. concisus increases the likelihood of varying virulence between strains. flagella motility is a crucial virulence factor for the well-recognized campylobacter jejuni; therefore, this study aimed to analyze the motility of c. concisus isolated from saliva, gut biopsi ...201728116789
unusual manifestation of helicobacter cinaedi infection: a case report of intracranial subdural empyema and bacteremia.there have been various reports concerning helicobacter cinaedi infections. however, few reports have examined central nervous system infections.201728061821
application of direct polymerase chain reaction assays for campylobacter fetus subsp. venerealis and tritrichomonas foetus to screen preputial samples from breeding bulls in cow-calf herds in western canada.the primary objectives of this study were to estimate the prevalence of campylobacter fetus subsp. venerealis (cfv) and tritrichomonas foetus in breeding bulls from a sentinel cohort of cow-calf herds in western canada and to estimate the association between positive test status and non-pregnancy. the final objective was to evaluate the application of these tests when: i) screening bulls in the absence of a recognized problem with reproductive performance, and ii) testing for diagnosis of poor p ...201728408776
pericarditis caused by campylobacter fetus subspecies fetus associated with ingestion of raw beef liver.campylobacter fetus is an organism residing primarily in the gastrointestinal tracts of cattle and sheep and transmitting to humans through ingestion of contaminated food products or surface water. the organism has caused various extraintestinal infections but, to date, purulent pericarditis due to the organism has rarely been described. we report a case of purulent pericarditis due to c. fetus subsp. fetus, occurring in a patient having several predisposing conditions, including receiving hemod ...201728803866
clinical and microbiological characteristics of patients with bacteremia caused by campylobacter species with an emphasis on the subspecies of c. fetus.this study was intended to investigate the clinical and microbiological characteristics of patients with bacteremia caused by campylobacter species.201728801089
campylobacter fetus impairs barrier function in ht-29/b6 cells through focal tight junction alterations and leaks.infections by campylobacter species are the most common foodborne zoonotic disease worldwide. campylobacter jejuni and c. coli are isolated most frequently from human stool samples, but severe infections by c. fetus (cf), which can cause gastroenteritis, septicemia, and abortion, are also found. this study aims at the characterization of pathological changes in cf infection using an intestinal epithelial cell model. the cf-induced epithelial barrier defects appeared earlier than those of avian c ...201728662272
myositis ossificans of the hip due to pyogenic arthritis caused by campylobacter fetus subspecies fetus.a 61-year-old woman was admitted with severe hip pain causing immobility and high serum levels of inflammatory markers. the patient had a medical history of diabetes. she had been scheduled to undergo right hip replacement surgery for the treatment of osteoarthritis associated with gradually progressive pain. on admission, an enhanced abdominal computed tomography scan showed an abnormal increase in synovial fluid surrounding the right ilium, with piriformis muscle calcification. subsequent bloo ...201728420848
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