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Revista Brasileira de Parasitologia Veterinária
On-line version ISSN 1984-2961
PASSOS, Lygia Maria Friche. In vitro cultivation of Anaplasma marginale and A. phagocytophilum in tick cell lines: a review. Rev. Bras. Parasitol. Vet. [online]. 2012, vol.21, n.2, pp. 81-86. ISSN 1984-2961. http://dx.doi.org/10.1590/S1984-29612012000200002.
Continuous cell lines have been established from several ixodid and argasid tick species, representing an excellent tool suitable for the isolation of pathogens and their subsequent propagation, which in turn allows the production of antigenic material for diagnostic tests, antibody and vaccine production, and also for studies on host-vector-pathogen relationships. This paper reviews the use of tick cells for culture initiation and maintenance of two obligate intracellular bacterial pathogens, Anaplasma marginale and Anaplasma phagocytophilum. These in vitro cultivation systems have been used in a wide range of studies, covering morphological ultrastructural analysis, genetics, proteomics and biological differences between strains, including genome transcriptional and protein expression approaches, enabling comparisons between host and vector cells. Thus, such systems open a new window for a better understanding of interactions between pathogens and tick cells. Last but not least, such systems contribute to the reduction in usage of animals for experimental research, as antigenic material can be produced in reasonably large quantities without the use of in vivo species-specific systems.
Keywords : Tick cells; Anaplasma marginale; Anaplasma phagocytophilum; in vitro culture; review.