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https://www.readbyqxmd.com/read/28528880/lyme-borreliae-prevalence-and-genospecies-distribution-in-ticks-removed-from-humans
#1
Patrick Waindok, Sabine Schicht, Volker Fingerle, Christina Strube
Lyme borreliosis (LB) is the most important human tick-borne disease, but Borrelia genospecies cause different clinical manifestations. Ticks of the genus Ixodes removed from humans between 2006 and 2012 were analysed for Borrelia burgdorferi sensu lato (sl) infections. The majority of ticks originated from the Greater Hanover region in Northern Germany. The engorgement status varied over the entire spectrum from unengorged (no evidence of started blood feeding) to fully engorged. In the present study, prevalence data for B...
May 13, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28526093/canine-infection-with-borrelia-burgdorferi-dirofilaria-immitis-anaplasma-spp-and-ehrlichia-spp-in-canada-2013-2014
#2
Brian H Herrin, Andrew S Peregrine, Jonas Goring, Melissa J Beall, Susan E Little
BACKGROUND: Canine test results generated by veterinarians throughout Canada from 2013-2014 were evaluated to assess the geographical distribution of canine infection with Borrelia burgdorferi, Dirofilaria immitis, Ehrlichia spp., and Anaplasma spp. METHODS: The percent positive test results of 115,636 SNAP® 4Dx® Plus tests from dogs tested were collated by province and municipality to determine the distribution of these vector-borne infections in Canada. RESULTS: A total of 2,844/115,636 (2...
May 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28512589/a-case-of-early-disseminated-neurological-lyme-disease-followed-by-atypical-cutaneous-manifestations
#3
Vamsi Kantamaneni, Vikas Sunder, Mohammad Bilal, Scott Vargo
Lyme disease (LD) is a tick-borne illness caused by Borrelia burgdorferi sensu stricto. An 80-year-old female from Pennsylvania, USA, presented to an outside hospital with fever, confusion, lower extremity weakness, and stool incontinence. CT head and MRI spine were unremarkable. An infectious work-up including lumbar puncture was negative. She was transferred to our tertiary care hospital. Patient was noted to have mild unilateral right-sided facial droop and a diffuse macular rash throughout the body. She denied any outdoor activities, tick bites, or previous rash...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/28504633/-tick-borne-infections-in-denmark
#4
Bo Bødker Jensen, Lukas Frans Ocias, Nanna Skaarup Andersen, Ram Benny Dessau, Karen Angeliki Krogfelt, Sigurdur Skarphedinsson
The castor bean tick, Ixodes ricinus, is common in woodlands in most of Denmark. Besides Borrelia burgdorferi, it can harbour a number of pathogenic microorganisms such as tick-borne encephalitis virus, Anaplasma phagocytophilum, Rickettsia helvetica, Francisella tularensis, Candidatus Neoehrlichia mikurensis, Bartonella spp., Borrelia miyamotoi and Babesia spp. These tick-borne infections should be a differential diagnostic consideration during the tick season in Denmark. We review the distribution, clinical manifestations, diagnosis and treatment of these microorganisms...
May 15, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28504440/corrigendum-to-dna-based-identification-and-ospc-serotyping-in-cultures-of-borrelia-burgdorferi-s-l-isolated-from-ticks-collected-in-the-moravia-czech-republic
#5
Adam Norek, Lubomír Janda, Alena Žákovská
No abstract text is available yet for this article.
June 2017: Journal of Vector Ecology: Journal of the Society for Vector Ecology
https://www.readbyqxmd.com/read/28504439/anaplasma-phagocytophilum-babesia-microti-borrelia-burgdorferi-sensu-lato-and-toxoplasma-gondii-in-ixodes-ricinus-acari-ixodida-ticks-collected-from-slowinski-national-park-northern-poland
#6
Marek Asman, Magdalena Nowak-Chmura, Krzysztof Solarz, Ewa Szilman, Magdalena Semla, Bartłomiej Zyśk
No abstract text is available yet for this article.
June 2017: Journal of Vector Ecology: Journal of the Society for Vector Ecology
https://www.readbyqxmd.com/read/28504429/species-composition-and-temporal-distribution-of-adult-ixodid-ticks-and-prevalence-of-borrelia-burgdorferi-sensu-lato-and-rickettsia-species-in-orange-county-california
#7
Sarah A Billeter, Melissa Hardstone Yoshimizu, Renjie Hu
No abstract text is available yet for this article.
June 2017: Journal of Vector Ecology: Journal of the Society for Vector Ecology
https://www.readbyqxmd.com/read/28502813/the-clinical-relevance-of-studies-on-borrelia-burgdorferi-persisters
#8
EDITORIAL
Phillip J Baker, Gary P Wormser
No abstract text is available yet for this article.
May 11, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28501998/western-blot-techniques
#9
Brianna Kim
The Western blot is an important laboratory technique that allows for specific identification and characterization of proteins. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE)-separated proteins are electophoretically transferred to a polyvinylidene fluoride (PVDF) membrane which is then incubated with specific antibodies, then developed to show the protein of interest. Here, we describe the transfer and detection of Outer surface protein A (OspA), a protein only found on the surface of Borrelia burgdorferi, the bacteria responsible for Lyme disease...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28488932/powassan-deer-tick-virus-and-borrelia-burgdorferi-infection-in-wisconsin-tick-populations
#10
Konstance K Knox, Angela M Thomm, Yvette A Harrington, Ellen Ketter, Jacob M Patitucci, Donald R Carrigan
Powassan/Deer Tick Virus (POWV/DTV) is an emerging cause of arboviral neuroinvasive disease in the upper Midwest. These studies describe the prevalence and geographic distribution of Wisconsin ticks carrying POWV/DTV as well as the high frequency of Ixodes scapularis ticks coinfected with both POWV/DTV and Borrelia burgdorferi, the causative agent of Lyme disease. These findings suggest that concurrent transmission of POWV/DTV and B. Burgdorferi from coinfected ticks is likely to occur in humans.
May 10, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28487561/crowdsourcing-based-nationwide-tick-collection-reveals-the-distribution-of-ixodes-ricinus-and-i-persulcatus-and-associated-pathogens-in-finland
#11
Maija Laaksonen, Eeva Sajanti, Jani J Sormunen, Ritva Penttinen, Jari Hänninen, Kai Ruohomäki, Ilari Sääksjärvi, Eero J Vesterinen, Ilppo Vuorinen, Jukka Hytönen, Tero Klemola
A national crowdsourcing-based tick collection campaign was organized in 2015 with the objective of producing novel data on tick distribution and tick-borne pathogens in Finland. Nearly 20 000 Ixodes ticks were collected. The collected material revealed the nationwide distribution of I. persulcatus for the first time and a shift northwards in the distribution of I. ricinus in Finland. A subset of 2038 tick samples containing both species was screened for Borrelia burgdorferi sensu lato (the prevalence was 14...
May 10, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28484210/identification-of-tp0751-pallilysin-as-a-treponema-pallidum-vascular-adhesin-by-heterologous-expression-in-the-lyme-disease-spirochete
#12
Wei-Chien Andrew Kao, Helena Pětrošová, Rhodaba Ebady, Karen V Lithgow, Pablo Rojas, Yang Zhang, Yae-Eun Kim, Yae-Ram Kim, Tanya Odisho, Nupur Gupta, Annette Moter, Caroline E Cameron, Tara J Moriarty
Treponema pallidum subsp. pallidum, the causative agent of syphilis, is a highly invasive spirochete pathogen that uses the vasculature to disseminate throughout the body. Identification of bacterial factors promoting dissemination is crucial for syphilis vaccine development. An important step in dissemination is bacterial adhesion to blood vessel surfaces, a process mediated by bacterial proteins that can withstand forces imposed on adhesive bonds by blood flow (vascular adhesins). The study of T. pallidum vascular adhesins is hindered by the uncultivable nature of this pathogen...
May 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28484042/a-proteomic-signature-of-dormancy-in-an-actinobacterium-micrococcus-luteus
#13
Sujina Mali, Morgan Mitchell, Spencer Havis, Abiodun Bodunrin, Jonathan Rangel, Gabriella Olson, William R Widger, Steven J Bark
Dormancy is a protective state where diverse bacteria including M. tuberculosis, S. aureus, T. pallidum (syphilis), and B. burgdorferi (Lyme Disease) curtail metabolic activity to survive external stresses including antibiotics. Evidence suggests dormancy consists of a continuum of interrelated states including viable but nonculturable (VBNC) and persistence states. VBNC and persistence contribute to antibiotic tolerance, reemergence from latent infections, and even quorum sensing and biofilm formation. Previous studies indicate that the protein mechanisms regulating persistence and VBNC states are not well understood...
May 8, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28482848/when-a-patient-suspected-with-juvenile-idiopathic-arthritis-turns-out-to-be-diagnosed-with-an-infectious-disease-a-review-of-lyme-arthritis-in-children
#14
REVIEW
Krzysztof Orczyk, Joanna Świdrowska-Jaros, Elżbieta Smolewska
The Lyme arthritis is a common manifestation of infection with Borrelia burgdorferi spirochete. Despite its infectious background, the inflammation clinically and histopatologically resembles juvenile idiopathic arthritis. As it affects a considerable number of Lyme disease patients, it should be routinely considered in differential diagnosis. Development of arthritis is partially dependent on spirochetal factors, including the ribosomal spacer type and the sequence of outer surface protein C. Immunological background involves Th1-related response, but IL-17 provides an additional route of developing arthritis...
May 8, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28480854/unusual-manifestation-of-neuroboreliosis-case-report
#15
M Beridze, N Khizanishvili, M Mdivani, O Samushia, N Gogokhia
The paper reported the verified case of neuroboreliosis with unusual clinical presentation of Parkinsonism. Study aimed at establishing the significance of a precise differential diagnosis with substantial analysis of the symptoms of several diseases to avoid the false diagnosis and to conduct the opportune and adequate therapeutic management. We described the case of the diagnosed neuroboreliosis with clinical expression of Multiple Sclerosis (MS) and Parkinsonism. A 44 years old man was diagnosed as MS according to the McDonald's Criteria, who within two years developed typical clinical signs of Parkinsonism...
March 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28479174/identification-of-a-defined-linear-epitope-in-the-ospa-protein-of-the-lyme-disease-spirochetes-that-elicits-bactericidal-antibody-responses-implications-for-vaccine-development
#16
Jerilyn R Izac, Lee D Oliver, Christopher G Earnhart, Richard T Marconi
The lipoprotein OspA is produced by the Lyme disease spirochetes primarily in unfed ticks. OspA production is down-regulated by the blood meal and it is not produced in mammals except for possible transient production during late stage infection in patients with Lyme arthritis. Vaccination with OspA elicits antibody (Ab) that can target spirochetes in the tick midgut during feeding and inhibit transmission to mammals. OspA was the primary component of the human LYMErix™ vaccine. LYMErix™ was available from 1998 to 2002 but then pulled from the market due to declining sales as a result of unsubstantiated concerns about vaccination induced adverse events and poor efficacy...
May 31, 2017: Vaccine
https://www.readbyqxmd.com/read/28473966/investigation-of-ospc-expression-variation-among-borrelia-burgdorferi-strains
#17
Xuwu Xiang, Youyun Yang, Jimei Du, Tianyu Lin, Tong Chen, X Frank Yang, Yongliang Lou
Outer surface protein C (OspC) is the most studied major virulence factor of Borrelia burgdorferi, the causative agent of Lyme disease. The level of OspC varies dramatically among B. burgdorferi strains when cultured in vitro, but little is known about what causes such variation. It has been proposed that the difference in endogenous plasmid contents among strains contribute to variation in OspC phenotype, as B. burgdorferi contains more than 21 endogenous linear (lp) and circular plasmids (cp), and some of which are prone to be lost...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28473801/cerebrovascular-manifestations-of-lyme-neuroborreliosis-a-systematic-review-of-published-cases
#18
REVIEW
Adam Garkowski, Joanna Zajkowska, Agata Zajkowska, Alina Kułakowska, Olga Zajkowska, Bożena Kubas, Dorota Jurgilewicz, Marcin Hładuński, Urszula Łebkowska
BACKGROUND: Lyme neuroborreliosis (LNB) is a disease caused by spirochete Borrelia burgdorferi, involving the nervous system. It usually manifests as lymphocytic meningoradiculitis, but in rare cases, it can also lead to cerebrovascular complications. We aimed to perform a systematic review of all reported cases of LNB complicated by central nervous system vasculitis and stroke or transient ischemic attack (TIA). MATERIALS AND METHODS: We conducted a systematic review of literature between May 1987 and December 2016 with patients who presented with cerebrovascular course of LNB...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28473358/full-thickness-macular-hole-a-rare-complication-of-borrelia-burgdorferi-neuroretinitis
#19
Miranda Buckle, Mohammed A Majid, Richard Lee, Laura R Steeples
Borrelia burgdorferi is a known infective cause of neuroretinitis. We present a case of B burgdorferi neuroretinitis complicated by macular hole in a 22-year-old man. The neuroretinitis was managed with early high-dose intravenous corticosteroid and oral antibiotic. The macular hole was managed with macular hole surgery after intraocular inflammation had resolved.
May 3, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28473022/-clinical-manifestations-diagnosis-and-treatment-of-lyme-borreliosis
#20
Lukas Frans Ocias, Bo Bødker Jensen, Fredrikke Christie Knudtzen, Sigurdur Skarphedinsson, Ram Benny Dessau
Lyme borreliosis is an infection caused by the Borrelia burgdorferi sensu lato complex and transmitted by Ixodes ricinus ticks in Denmark. It can manifest itself in several different forms of which erythema migrans is the most common and is diagnosed by clinical assessment of the characteristic erythema. Laboratory support for the clinical diagnosis of other manifestations rests on the measurement of Borrelia-specific antibodies. Treatment is straight-forward with antibiotics such as penicillin. This paper reviews the clinical manifestations, diagnosis and treatment of this infection...
May 1, 2017: Ugeskrift for Laeger
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