نتایج جستجو برای: anaplasma
تعداد نتایج: 1933 فیلتر نتایج به سال:
of anthrax (7,8). Alternatively, lowgrade sporadic infection may have been ongoing since the 1940s and infrequent stock mortality may not have been investigated for anthrax because of a low local index of suspicion, resulting in environmental contamination The extreme weather conditions in the area may have unearthed spores from undiagnosed carcasses, providing simultaneous exposures on multipl...
Specific major surface protein 2 (MSP2) variants are expressed by Anaplasma marginale within the tick salivary gland and, following transmission, are expressed during acute rickettsemia. In previous work, we have shown that a restricted pattern of MSP2 variants is expressed in the salivary glands of Dermacentor andersoni ticks infected with the South Idaho strain of A. marginale. Now we demonst...
A total of 705 rodents from 6 provinces and autonomous regions of mainland People's Republic of China were tested by PCRs for tick-borne agents (Anaplasma phagocytophilum, Borrelia burgdorferi sensu lato, spotted fever group rickettsiae, and Francisella tularensis). Infection rates were 5.5%, 6.7%, 9.1% and 5.0%, respectively. Eighteen (2.6%) rodents of 10 species were positive for 2 or 3 agent...
From January 2004 to July 2007, 2455 sera were collected from domestic and wild animals living in central Italy and tested by indirect immunofluorescence assay to detect antibodies against Anaplasma phagocytophilum. Considering sera with 1:40 antibody titers as positive, 336 (13.68%) animals scored positive. The percentages of seropositivity were: 46.26% (31/67) in fallow deer, 46.15% (24/52) i...
"Candidatus Neoehrlichia mikurensis" (Anaplasmataceae) is an emerging pathogen transmitted by Ixodes ticks. Conventional PCR and the newly developed high-resolution melt PCR were used to detect and discriminate "Candidatus Neoehrlichia mikurensis" and Anaplasma phagocytophilum. Both bacterial species were frequently found in Ixodes ricinus and Ixodes hexagonus but virtually absent from Dermacen...
Anaplasma centrale was isolated from a field collection of Rhipicephalus simus. Transstadial transmission of A. centrale with adult ticks was demonstrated, but the infection was not carried transovarially. Ticks from this collection were subsequently reared as a non-infected, laboratory strain. It was proved that the Onderstepoort live blood vaccine strain of A. centrale, isolated by Theiler in...
Ten mouse monoclonal antibodies (MAbs) that react with Anaplasma phagocytophilum (the human granulocytic ehrlichiosis agent) Webster isolates were developed. Seven different isolates of A. phagocytophilum were subtyped with these MAbs. Western blot analysis revealed that these MAbs reacted mainly with 41- to 46-kDa Msp2 proteins. Six MAbs reacted with all isolates. Four other MAbs reacted with ...
The objective of this study was to compare the efficacy of oxytetracycline, enrofloxacin and imidocarb for the elimination of persistent Anaplasma marginale infection in naturally infected Sahiwal cattle. A total of sixty Anaplasma marginale seropositive adult Sahiwal cattle were selected having their ages between 3-4 years ranging in weight from 246-341 kg. The animals were divided in four gro...
2. Strasek Smrdel K, Tozon N, Duh D, Petrovec M, Avsic Zupanc T. Diversity of groESL sequences of Anaplasma phagocytophilum among dogs in Slovenia. Clin Microbiol Infect. 2009;15(Suppl 2):79– 80. http://dx.doi.org/10.1111/j.1469-0691. 2008.02201.x 3. Masuzawa T, Uchishima Y, Fukui T, Okamoto Y, Muto M, Koizumi N, et al. Detection of Anaplasma phagocytophilum from wild boars and deer in Japan. J...
Rogers, Thomas E. (Louisiana State University, Baton Rouge), Richard J. Hidalgo, and George T. Dimopoullos. Immunology and serology of Anaplasma marginale. I. Fractionation of the complement-fixing antigen. J. Bacteriol. 88:81-86. 1964.-Studies were conducted to fractionate and purify the complement-fixation (CF) antigen of Anaplasma marginale in infected erythrocytes of cattle. Initial attempt...
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