2014
DOI: 10.1186/s13071-014-0584-5
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Abstract: BackgroundA new species of Ehrlichia, phylogenetically distant from E. ruminantium, was found in 2010 infecting cattle in Canada. In 2012 and 2013, we reported the in vitro propagation, molecular and ultrastructural characterization of Ehrlichia sp. UFMG-EV (E. mineirensis), a new species of Ehrlichia isolated from the haemolymph of Brazilian Rhipicephalus (Boophilus) microplus ticks. A new organism, named Ehrlichia sp. UFMT-BV, closely related to Ehrlichia sp. UFMG-EV, was recently described in Brazil and aft… Show more

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Cited by 22 publications
(25 citation statements)
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“…UFMT-BV in cattle [ 1 ]. Molecular studies have shown these organisms are very similar to one another and that they probably evolved from a highly divergent and variable clade within E. canis [ 38 ]. The phenotypic and genotypic differences the strains have with E. canis have been ascribed to the organisms adapting to their new hosts, ruminants, and their new tick vectors.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…UFMT-BV in cattle [ 1 ]. Molecular studies have shown these organisms are very similar to one another and that they probably evolved from a highly divergent and variable clade within E. canis [ 38 ]. The phenotypic and genotypic differences the strains have with E. canis have been ascribed to the organisms adapting to their new hosts, ruminants, and their new tick vectors.…”
Section: Discussionmentioning
confidence: 99%
“…The phenotypic and genotypic differences the strains have with E. canis have been ascribed to the organisms adapting to their new hosts, ruminants, and their new tick vectors. More detailed genomic and transmission studies might provide justification for the organism being classified as a distinct species, E. mineirensis [ 38 ].…”
Section: Discussionmentioning
confidence: 99%
“…The emergence of novel pathogens is a dynamic process. For example, a novel species of Ehrlichia, E. minasensis [67], evolved from variable strains of the pathogen E. canis [68], and it was associated to new invertebrate and vertebrate hosts. While the common tick vector for E. canis is R. sanguineus s.l.…”
Section: Challenges and Perspectivesmentioning
confidence: 99%
“…An alternative for the detection of novel pathogen strains or novel pathogens closely related to recognized pathogen species is the amplification and sequencing of genetic markers followed by phylogenetic analysis to assess strain diversity in samples positive to given pathogens. Emergence of novel strains is frequently associated with genetic variability in surface proteins which can be used as genetic markers to assess strain diversity [68,71].…”
Section: Challenges and Perspectivesmentioning
confidence: 99%
“…The organism has been maintained in the laboratory by continuous passage in the IDE8 tick cell line, where the ultrastructure was characterized ( 8 , 9 ). Recently, we reported evidence that E. mineirensis evolved from a highly variable clade of E. canis under adaptive diversifying selection ( 10 ). For genome sequencing, the bacteria were grown in IDE8 cells, purified by Percoll density-gradient centrifugation ( 11 ), and the total DNA was extracted using TRI Reagent (Sigma, St. Louis, MO, USA).…”
Section: Genome Announcementmentioning
confidence: 99%