Karyotypic diversification is more prominent in Equus species than in other mammals.
Here, using next generation sequencing technology, we generated and de novo assembled quality genomes sequences for a male wild horse (Przewalski's horse) and a male domestic horse (Mongolian horse), with about 93-fold and 91-fold coverage, respectively.
Portion of Y chromosome from wild horse assemblies (3 M bp) and Mongolian horse (2 M bp) were also sequenced and de novo assembled.
We confirmed a Robertsonian translocation event through the wild horse's chromosomes 23 and 24, which contained sequences that were highly homologous with those on the domestic horse's chromosome 5.
NYC, 2006) and author of “Tears of the Cheetah And Other Tales From The Genetic Frontier” (St.
Since 1996 he has directed an internationally heralded short course sponsored by Smithsonian and American Genetics Association, entitled “Recent Advances in Conservation Genetics”, the most recent (2012) edition at The Smithsonian Tropical Research Institute , Panama.
The analysis results of the two representative Equus species genomes improved our knowledge of Equus chromosome rearrangement and karyotype evolution..
Horses, donkeys, and zebras evolved from the same ancestor.
More than likely, the infectious pathogens of early hominins and other animals evolved, due to climate changes, with their hosts to the present day and some became zoonotic pathogens.
The four main types of rearrangement, insertion of unknown origin, inserted duplication, inversion, and relocation, are not evenly distributed on all the chromosomes, and some chromosomes, such as the X chromosome, contain more rearrangements than others, and the number of inversions is far less than the number of insertions and relocations in the horse genome.
Furthermore, we discovered the percentages of LINE_L1 and LTR_ERV1 are significantly increased in rearrangement regions.
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