The complete mitochondrial genome of (Eimeriidae, Coccidia, Apicomplexa) was obtained. This morphologically distinctive coccidium is considered to be the only valid species of equids and it infects a range of both domestic and wild horses and their relatives. Despite the distinctive appearance of the oocysts of , the mitochondrial genome organization and gene contents were comparable to other spp. and related eimeriid coccidia infecting a range of mammals and birds. The greatly reduced 6242 bp genome is circular-mapping and contains three protein-coding genes (COI, COIII, CytB), 18 fragments encoding the large subunit rRNA (LSU), and 13 fragments encoding the small subunit (SSU) rRNA. No tRNA was encoded similar to other Apicomplexa. A Bayesian inference tree based on aligned CDS and rDNA fragments from and 34 other coccidia demonstrated that this mt genome has close phylogenetic affinities to and species, and related eimeriid coccidia.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8439206 | PMC |
| http://dx.doi.org/10.1080/23802359.2021.1922318 | DOI Listing |
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