The Apicomplexa is the only large taxonomic group whose members are entirely parasitic and is, therefore, presumably of major interest to parasitologists.

We might, for example, expect that we know a great deal about the biology of the group by now and that we have a clear phylogenetic framework within which to organize that knowledge.

All members of this phylum have an infectious stage—the sporozoite—which possesses three distinct structures in an apical complex.

To provide a foundation for such research areas, in the present study, we (i) sequenced the nuclear genome of ], and genomic DNA was isolated using the Gentra Puregene kit (Qiagen, Hilden, Germany) and total RNA employing Tri Pure (Sigma-Aldrich, St Louis, MI, USA), according to the manufacturers’ protocols.

The nucleic acids were quantitated using a fluorometer (Qubit Invitrogen, Carlsbad, CA, USA), and their quality was verified using a Bio Analyzer (2100, Agilent).

Babesiosis is a socioeconomically important tick-borne disease of animals (including humans) caused by haemoprotozoan parasites.

The severity of babesiosis relates to host and parasite factors, particularly virulence/pathogenicity. This disease has a major, adverse economic impact on the health and productivity of livestock animals, particularly ruminants, as a consequence death, reduced meat and milk production, increased sterility and abortion rates and/or the cost of treatment and prevention [ spp.

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A total of 13 haemogregarine haplotypes were identified, which fell into four main clades in a phylogenetic framework.

Phylogenetic analysis of six new lankesterellid haplotypes revealed that these parasites were distinct from, but phylogenetically related to, known Lankesterella species and might represent new taxa.

For example, ]; this alteration can be accompanied by an accumulation of affected erythrocytes in the capillaries of organs, including the brain and lungs, leading to severe cerebral disease, respiratory insufficiency and/or multi-organ failure.