Anaplasma marginale
Molecular study on infection rates of Anaplasma ovis and Anaplasma marginale in sheep and cattle in West-Azerbaijan province, Iran
... This study was carried out to determine the presence and frequency of Anaplasma ovis and Anaplasma marginale in sheep and dairy cattle in West-Azerbaijan province, Iran. A total number of 200 blood ...
5
Transmission of Anaplasma marginale by Boophilus microplus: Retention of Vector Competence in the Absence of Vector Pathogen Interaction
... Whether arthropod vectors retain competence for transmission of infectious agents in the long-term absence of vector-pathogen interaction is unknown. We addressed this question by quantifying the vector competence of two ...
7
Stochastic Transmission of Multiple Genotypically Distinct Anaplasma marginale Strains in a Herd with High Prevalence of Anaplasma Infection
... pathogen Anaplasma marginale occur and are trans- mitted within regions where the organism is ...A. marginale strains are preferentially ...A. marginale strain, five animals each carried two ...
5
Isolation and restriction endonuclease cleavage of Anaplasma marginale DNA in situ in agarose
... Bacterial restriction endonucleases were used to produce DNA cleavage patterns that could be useful as tools to study the relatedness among Anaplasma marginale isolates.. Bovine erythroc[r] ...
5
Immune related redox metabolism of embryonic cells of the tick Rhipicephalus microplus (BME26) in response to infection with Anaplasma marginale
... with Anaplasma marginale, the etiological agent of bovine ...A. marginale or Rickettsia rickettsii, the causative agent of Rocky Mountain spotted fever ...A. marginale infection, suggesting ...
10
Co infections with multiple genotypes of Anaplasma marginale in cattle indicate pathogen diversity
... A. marginale msp1 β gene is variable, the qPCR functions at an acceptable ...A. marginale and ...Conclusions: Anaplasma marginale was prevalent in the Western Cape, KwaZulu-Natal and ...
13
Insight into the genetic diversity of Anaplasma marginale in cattle from ten provinces of China
... Anaplasma marginale geographical strains differ in the copy number and amino acid repeat sequences in Msp1a ...A. marginale genotypes were identified based on the variation in the repeated portion of ...
7
Global transcriptional analysis reveals surface remodeling of Anaplasma marginale in the tick vector
... using Anaplasma marginale as our model. A. marginale is an obligate intracellular pathogen that causes bovine anaplasmosis and depends on a tick vector for efficient ...A. marginale infects ...
11
Evaluation of Anaplasma marginale major surface protein 3 (MSP3) as a diagnostic test antigen
... of Anaplasma marginale was evaluated by using immunoblots of ...A. marginale proteins separated by one- and two-dimensional polyacryl- amide gel ...with Anaplasma ovis, Ehrlichia risticii, and ...
7
Anaplasma marginale msp1α Genotypes Evolved under Positive Selection Pressure but Are Not Markers for Geographic Isolates
... Anaplasma marginale (order Rickettsiales, family Anaplasmataceae), a tick-borne pathogen of cattle, is endemic in tropical and subtropical regions of the ...A. marginale occur in the United States ...
8
Simultaneous Detection of Anaplasma marginale and a New Ehrlichia Species Closely Related to Ehrlichia chaffeensis by Sequence Analyses of 16S Ribosomal DNA in Boophilus microplus Ticks from Tibet
... were negative. The screen identified two ehrlichial agents based on different 16S rRNA genes that were found after amplifying and sequencing the 5 ⴕ -end fragments of the 16S rRNA genes. One sequence was identical to ...
5
Linkage between Anaplasma marginale Outer Membrane Proteins Enhances Immunogenicity but Is Not Required for Protection from Challenge
... model Anaplasma marginale, a persistent tick-borne bacterial pathogen of cattle, we tested two sets of immunogens to determine whether membrane context affected immunogenicity and the capacity to induce ...
6
Selective In Vivo Depletion of CD4+ T Lymphocytes with Anti-CD4 Monoclonal Antibody during Acute Infection of Calves with Anaplasma marginale
... parasite, Anaplasma marginale, is a member of a genetically defined cluster of bacteria (genogroup II) recently designated as ehrlichia on the basis of 16S rRNA sequence similarity (11, ...A. ...
8
Co infection with bovine viral diarrhoea virus and Anaplasma marginale in a dairy cattle herd may lead to acute bovine anaplasmosis
... and Anaplasma was unintended and most likely the result of a vaccination operation in a large Holstein-Friesian dairy cattle herd in ...of Anaplasma marginale infection was demonstrated by ...
12
Anaplasma marginale Infection with Persistent High-Load Bacteremia Induces a Dysfunctional Memory CD4+ T Lymphocyte Response but Sustained High IgG Titers
... apoptosis. Anaplasma marginale is a persistent infection of cattle characterized by acute and chronic high-load ...A. marginale outer membrane protein were rapidly deleted following ...A. ...
10
Molecular identification of Anaplasma marginale in two autochthonous South American wild species revealed an identical new genotype and its phylogenetic relationship with those of bovines
... Anaplasma marginale is an obligate intracellular patho- gen from the phylum Proteobacteria, class alpha Proteo- bacteria, order Rickettsiales, and family ...Anaplasmataceae. Anaplasma ...
9
Detection of Cattle Naturally Infected with Anaplasma marginale in a Region of Endemicity by Nested PCR and a Competitive Enzyme Linked Immunosorbent Assay Using Recombinant Major Surface Protein 5
... of Anaplasma marginale was validated in a naturally infected cattle herd in an area of eastern Oregon where ...A. marginale is endemic. The true positive and negative A. marginale infection ...
10
Anaplasma marginale and A phagocytophilum in cattle in Tunisia
... identifying Anaplasma in Giemsa-stained blood smears from clinically suspect animals during the acute phase of the ...of Anaplasma marginale ...A. marginale and to establish their carrier ...
8
Detection of an Anaplasma marginale common surface protein present in all stages of infection
... To develop an improved diagnostic test for anaplasmosis we screened Anaplasma marginale initial body proteins to identify a protein common to antigenically different isolates that is rec[r] ...
6
Serologic Cross-Reactivity between Anaplasma marginale and Anaplasma phagocytophilum
... Anaplasma marginale is a rickettsial organism that causes bovine anaplasmosis in ...A. marginale is transmitted mechanically by lice, biting flies and fomites and biologically by various tick ...A. ...
7